Dr. Chandi Charan Malakar

Associate Professor (Chemistry)

National Institute of Technology Manipur

Department of Chemistry

Langol, Imphal-795004

E-mail: [email protected], [email protected]

Tel: +91 9366605025

Language Skills:

English, German, Hindi, Bengali

Group Homepage


Paper Published


Research websites:
  • https://scholar.google.co.in/citations?hl=en&user=fJa2tC4AAAAJ
  • https://www.researchgate.net/profile/Chandi_Malakar
  • https://www.scopus.com/authid/detail.uri?authorId=24069079200
  • https://nitmanipur.irins.org/profile/132584
  • https://www.webofscience.com/wos/author/record/C-7163-2017
  • https://orcid.org/0000-0002-9478-017X
  • Personal website:   http://chdeepm.wixsite.com/mysite

          Citations:   2255 (till May 2025)

          h-index:     25 (till May 2025)

          i10-index:  68 (till May 2025)

  • List Publications: In International Journals 127; Book Chapters 11; Patents 6; Conference Paper Presentations 49

Journal Publications:

(1) E. Merisor, J. Conrad, C. C. Malakar and U. Beifuss Unexpected Lewis acid mediated reactions of 1-arylbut-3-en-1-ols with trimethylorthoformate - A new synthesis of homoallyl ethers and chloridesSynlett 2008, 903-907

(2) S. Adimurthy, C. C. Malakar and U. Beifuss Influence of bases and ligands on the outcome of the Cu(I)-catalyzed oxidative homocoupling of terminal alkynes to 1,4-disubstituted 1,3-diynes using oxygen as an oxidant” J. Org. Chem. 2009, 74, 5648-5651, https://doi.org/10.1021/jo900246z.

(3) C. C. Malakar, E. Merisor, J. Conrad and U. Beifuss, MoO2Cl2(dmf)2 Catalyzed Domino Reactions of w-Nitro Alkenes to 3,4-Dihydro-2H-1,4-  benzothiazines and Other HeterocyclesSynlett 2010, 1766-1770, DOI: 10.1055/s-0030-1258119.

(4) C. C. Malakar, D. Schmidt, J. Conrad and U. Beifuss Double C-H Activation: The Palladium-Catalyzed Direct C-Arylation of Xanthines with Arenes” Organic Letters 2011, 13, 1378-1381,   https://doi.org/10.1021/ol200065s

(5)  C. C. Malakar, D. Schmidt, J. Conrad and U. Beifuss Cu(I)-Catalyzed Domino Reactions: Efficient and Selective Synthesis of 4H-Chromenes and NaphthalenesOrganic Letters 2011, 13, 1972-1975,  https://doi.org/10.1021/ol200347g

(6) C. C. Malakar, K. Sudheendran, H.-G. Imrich, S. Mika and U. Beifuss Cu(I)-catalyzed annulation for the synthesis of substituted naphthalenes using o-bromobenzaldehydes and β-ketoesters as substratesOrg. Biomol. Chem., 2012, 10, 3899-3905 (Top ten most accessed article in April 2012), https://doi.org/10.1039/C2OB06963F

(7) C. C. Malakar, A. Baskakova, J. Conrad and U. Beifuss Copper-Catalyzed Synthesis of Quinazolines in Water starting from o-Bromobenzylbromides and BenzamidinesChem. Eur. J., 2012, 18, 8882-8885 (Highlighted in Sigma-Aldrich catalog 2013), https://doi.org/10.1002/chem.201200583

(8) N. Aljaar, C. C. Malakar, J. Conrad, S. Strobel, T. Schleid and U. Beifuss Cu-Catalyzed Reaction of 1,2-Dihalobenzenes with 1,3-Cyclohexanediones for the Synthesis of 3,4-Dihydrodibenzo[b,d]furan-1(2H)-onesJ. Org. Chem. 2012, 77, 7793-7803, https://doi.org/10.1021/jo3014275

(9) K. Sudheendran, C. C. Malakar, J. Conrad and U. Beifuss Copper(I)-Catalyzed Intramolecular O-Arylation for the Synthesis of 2,3,4,9-Tetrahydro-1H-xanthen-1-ones with Low Loads of CuClJ. Org. Chem. 2012, 77, 10194-10210, https://doi.org/10.1021/jo3018318

(10) C. C. Malakar, B. U. W. Maes and K. A Tehrani An In(III)-Catalyzed Synthesis of 4,4-Dichloro-1-aryl-N-alkyl-1-yn-3-amines via an Intermolecular C(sp2)-C(sp) Bond FormationAdv. Synth. Catal.2012, 354, 3461-3467, http://dx.doi.org/10.1002/adsc.201200680

(11) C. C. Malakar, S. Stas, W. Herrebout and K. A Tehrani Lewis acid Mediated Vinyl Transfer Reaction of Alkynes to N-Alkylimines using the N-Alkyl Residue as a Sacrificial Hydrogen DonorChem. Eur. J., 2013, 19, 14263–14270, https://doi.org/10.1002/chem.201300469

(12) N. Aljaar, C. C. Malakar, J. Conrad, W. Frey and U. Beifuss The Reaction of 1-Nitroso-2-naphthols with alfa-Functionalized Ketones and Related Compounds-The Unexpected Formation of Decarbonylated 2-Substituted Naphtho[1,2-d][1,3]oxazolesJ. Org. Chem. 2013, 78, 154-166  (Highlighted in Sigma-Aldrich catalog 2013), https://doi.org/10.1021/jo3022956

(13) R. K. Devappa, C. C. Malakar, H. P. S. Makkar and K. Becker Pharmaceutical Potential of Phorbol esters from Jatropha Curcas OilNat. Prod. Res., 2013, 27, 1459-1462,   https://doi.org/10.1080/14786419.2012.716057 

(14) K. Sudheendran, C. C. Malakar, J. Conrad and U. Beifuss Synthesis of Functionalized Naphthalenes by Copper(I)-Catalyzed Annulation between 3-(2-Halobenzyl)pentane-2,4-diones and β-Keto Esters, Malonates and CyanoacetatesAdv. Synth. Catal. 2013, 355, 2400-2416, https://doi.org/10.1002/adsc.201300372

(15) A. H. Moustafa, C. C. Malakar, N. Aljaar, E. Merisor, J. Conrad and U. Beifuss Microwave-assisted molybdenum-catalyzed reductive cyclization of o-nitrobenzylidene amines to 2-aryl-2H-indazolesSynlett, 2013, 24, 1573-1577, DOI: 10.1055/s-0033-1339195

(16) D. Schmidt, C. C. Malakar and U. Beifuss 2,3-Dihalo-1-propenes as Building Blocks in Cu(I)-Catalyzed Domino Reactions: Efficient and Selective Synthesis of FuransOrganic Letters 2014,16, 4862-4865, https://doi.org/10.1021/ol502371j

(17) C. C. Malakar and G. Helmchen Immobilized Catalyst for Iridium-Catalyzed Allylic Amination – Rate Enhancement by ImmobilizationChem. Eur. J., 2015, 21,7127-7134 (Selected as a HOT paper / Selected for Front cover page picture / Recommended by publisher for a press release at University of Heidelberg, Germany and  (Highlighted in Sigma-Aldrich catalog 2015), https://doi.org/10.1002/chem.201500382

(18) K. Kushwaha, C. C. Malakar, S. Stas and K. A Tehrani Indium(III)-Catalyzed Tandem Synthesis of 2-Alkynyl-3,3-dichloropyrrolidines via Addition/Cyclization of Alkynes to α,α,γ-TrichloroaldiminesRSC Advances 2015, 5, 10139-10151, https://doi.org/10.1039/C4RA14214D

(19) N. Aljaar, C. C. Malakar, J. Conrad and U. Beifuss Base-Promoted Domino Reaction of 5-Substituted 2-Nitrosophenols with Bromomethyl Aryl Ketones: A Transition Metal-free Approach to 2-Ketoaryl Benzoxazoles” J. Org. Chem. 2015, 80, 10829-10837, https://doi.org/10.1021/acs.joc.5b02000

(20) K. Seehafer, C. C. Malakar, J. Qu and G. Helmchen Iridium-Catalyzed Allylic Substitutions with Bulky Amines – an Entry into the Reetz Synthesis of AminoalcoholsEur. J. Org. Chem. 2016, 2016, 493-501, https://doi.org/10.1002/ejoc.201501333

(21) K. Kushwaha, B. Pinter, S. A. Shehzadi, C. M. L. Vande Velde, F. de Proft,C. C. Malakar, and K. A Tehrani Metal-free synthesis of chlorinated β-amino ketones via an unexpected reaction of imines with arylacetylenes in 1,1,1,3,3,3-hexafluoro-2-propanolAdv. Synth. Catal. 2016, 358, 41-49, https://doi.org/10.1002/adsc.201500519

Publications from NIT Manipur (2016 – present)

(22) N. Vodnala, D. Kaldhi, S. Polina, V.P. R. K. Putta, R. Gupta, S. C. P. Promily, R. K. Linthoinganbi, V.     Singh, C. C. Malakar “Pd-Catalyzed Domino Reactions of Nitroaromatics: A Surrogate Access towards the Saturated N-heterocycles” Tetrahedron Lett., 2016, 57, 5695-5699, https://doi.org/10.1016/j.tetlet.2016.11.037

(23) N. Vodnala, D. Kaldhi, R. Gupta, S. Polina, V.P. R. K. Putta, S. C. P. Promily, R. K. Linthoinganbi, V.     Singh, C. C. Malakar Novel Domino Routes for the Synthesis of N-Heterocycles via Reductive Cyclization of β-(N-2-Nitroaryl)-α,β-unsaturated Ketones” ChemistrySelect 2016, 1, 5784-5788, https://doi.org/10.1002/slct.201601221

(24) N. Devi, D. Singh, R. K. Sunkaria, C. C. Malakar, S. Mehra, R. K. Rawal, V. Singh An In(OTf)3-HBF4 assisted multicomponent approach for one-pot synthesis of pyrrazolopyridinone fused imidazopyridines” ChemistrySelect 2016, 1, 4696-4703,   https://doi.org/10.1002/slct.201601133

(25) D. Singh, N. Devi, V. Kumar, C. C. Malakar, S. Mehra, S. Rattan, R. K. Rawal, V. Singh Natural products inspired design and synthesis of beta-carboline and gama-lactone based molecular hybridOrg. Biomol. Chem. 2016, 14, 8154 –8166, https://doi.org/10.1039/C6OB01216G

(26) D. Singh, N. Devi, V. Kumar, C. C. Malakar, S. Mehra, R. K. Rawal, B. S. Kaith, V. Singh A metal free 1,3-dipolar cycloaddition approach towards regioselective synthesis of beta-carboline and isoxazole based molecular hybrid” RSC Adv., 2016, 6, 88066-88076, https://doi.org/10.1039/C6RA15875G

(27) N. Devi, D. Singh, G. Kaur, S. Mor, V. P. R. K. Putta, S. Polina, C. C. Malakar, V. Singh In(OTf)3 – assisted synthesis of beta-carboline-C3-tethered imidazo[1,2-a]azine derivatives” New J. Chem.2017, 41, 1082-1093, https://doi.org/10.1039/C6NJ03210A

(28) D. Singh, V. Kumar, N. Devi, C. C. Malakar, R. Shankar, V. Singh Metal-free decarboxylative amination: An alternative approach towards regioselective synthesis of beta-carboline-N-fused imidazoles” Adv. Synth. Catal. 2017, 359, 1213-1226, https://doi.org/10.1002/adsc.201600970

(29) K. Mukherjee,R. S. Dey,C. C. Malakar, B. Pal A Special Section on Functional Materials for Energy and Environment: Progress and Perspective” Energy & Environment Focus, 2017, 6, 49-51, https://doi.org/10.1166/eef.2017.1244

(30) D. Singh, P. Sharma, R. Kumar, S. K. Pandey, C. C. Malakar and V. Singh, An Expeditious Approach for the Synthesis of β-Carboline-Pyrazole-Based Molecular Hybrids” Asian J. Org. Chem. 2018, 7, 383-394, https://doi.org/10.1002/ajoc.201700545

(31) V. Kumar, S. Chaudhary, M. Mathur, A. K. Swami, C. C. Malakar and V. Singh, A Tandem Approach towards Diastereoselective Synthesis of Quinoline C-3 Tethered γ-Lactones” ChemistrySelect 2018, 3, 399-404, https://doi.org/10.1002/slct.201702923

(32)  V. P. R. K. Putta, R. Gujjarappa, N. Vodnala, R. Gupta, P. P. Pujar and C. C. Malakar The facile and efficient organocatalytic platform for accessing 1,2,4-selenadiazoles and thiadiazoles under aerobic conditions” Tetrahedron Lett. 2018, 59, 904-908, https://doi.org/10.1016/j.tetlet.2018.01.063

(33) D. Singh, C. K. Hazra, C. C. Malakar, S. K. Pandey, B. S. Kaith and V. Singh Indium-Mediated Domino Allylation-Lactonisation Approach: Diastereoselective Synthesis of β-Carboline C-3 Tethered α-Methylene γ-Butyrolactones” ChemistrySelect 2018, 3, 4859-4864, https://doi.org/10.1002/slct.201800006

(34) R. Gujjarappa, N. Vodnala, A. K. Kabi, D. Kaldhi, M. Kumar, U. Beifuss and C. C. Malakar Efficient Syntheses of Diverse N-Heterocycles: The Molybdenum(VI)-Catalyzed Reductive Cyclization of Nitroarenes using Pinacol as a Deoxygenating Agent” SynOpen 2018, 2, 138-144, http://dx.doi.org/10.1055/s-0036-1591572.

(35) N. Vodnala, R. Gujjarappa, A. K. Kabi, M. Kumar, U. Beifuss and C. C. Malakar Facile Protocols towards C2-Arylated Benzoxazoles using Fe(III)-Catalyzed C(sp2-H) Functionalization and Metal-Free Domino Approach” Synlett 2018, 29, 1469-1478, http://dx.doi.org/10.1055/s-0037-1609718.

(36) R. Gujjarappa, S. K. Maity, C. K. Hazra, N. Vodnala, S. Dhiman, A. Kumar, U. Beifuss and C. C. Malakar Divergent Synthesis of Quinazolines using Organocatalytic Domino Strategies under Aerobic Conditions” Eur. J. Org Chem. 2018, 4628-4638, https://doi.org/10.1002/ejoc.201800746.

(37) N. Vodnala, R. Gujjarappa, C. K. Hazra, D. Kaldhi, A. K. Kabi, U. Beifuss and C. C. Malakar Copper-Catalyzed Site-Selective Oxidative C-C Bond Cleavage of Simple Ketones for the Synthesis of Anilides and Paracetamol” Adv. Synth. Catal. 2019, 361, 135-145, https://doi.org/10.1002/adsc.201801096.

(38) D. Kaldhi, N. Vodnala, R. Gujjarappa, S. Nayak, V. Ravichandiran, S. Gupta, C. K. Hazra and C. C. Malakar Organocatalytic Oxidative Synthesis of C2-Functionalized Benzoxazoles, Naphthoxazoles, Benzothiazoles and Benzimidazoles” Tetrahedron Lett. 2019, 60, 223-229, https://doi.org/10.1016/j.tetlet.2018.12.017

(39) V. P. R. K. Putta, R. Gujjarappa, U. Tyagi, P. P. Pujar and C. C. Malakar A metal- and base-free domino protocol for the synthesis of 1,3-benzoselenazines, 1,3-benzothiazines and related scaffolds” Org. Biomol. Chem.2019, 17, 2516-2528, https://doi.org/10.1039/C8OB03058H

(40) R. Gujjarappa, N. Vodnala, M. Kumar and C. C. Malakar Pd-Catalyzed Decarboxylation and Dual C(sp3)–H Functionalization Protocols for the Synthesis of 2,4-Diarylpyridines” J. Org. Chem. 2019, 84, 5005-5020, https://doi.org/10.1021/acs.joc.8b02971

(41) D. Singh, V. Kumar, C. C. Malakar and V. Singh Structural Diversity Attributed by Aza-Diels-Alder Reaction in Synthesis of Diverse Quinoline Scaffolds” Curr. Org. Chem. 2019, 23, 920-958, http://dx.doi.org/10.2174/1385272823666190423140805

(42) N. Aljaar, R. Gujjarappa, M. Al-refai, M. Shtaiwi and C. C. Malakar Overview on Recent Approaches towards Synthesis of 2-Keto-annulated Oxazole Derivatives” J. Heterocycl. Chem. 2019, 56, 2730-2743, https://doi.org/10.1002/jhet.3673

(43) D. Kaldhi, R. Gujjarappa, N. Vodnala, A. K. Kabi, N. Aljaar and C. C. Malakar Mo(VI)-Catalyzed Synthesis of 2-Aryl-2H-Indazoles Using Pinacol Mediated Deoxygenation of Nitroaromatics” Chem. Lett. 2019, 48, 1258-1261, https://doi.org/10.1246/cl.190490

(44) V. P. R. K. Putta, N. Vodnala, R. Gujjarappa, U. Tyagi, A. Garg, S. Gupta, P. P. Pujar and C. C. MalakarReagent-Controlled Divergent Synthesis of 2-Amino-1,3-Benzoxazines and 2-Amino-1,3-Benzothiazines” J. Org. Chem. 2020, 85, 380-396. (Highlighted in Organic Chemistry Portal 2020, https://www.organic-chemistry.org/abstracts/lit7/128.shtm).

(45) R. Gujjarappa, N. Vodnala and C. C. Malakar Decarboxylative cyclization of amino acids towards the Regioselective synthesis of 2,4-diarylpyridines via relay Fe(III)/In(III)-catalysis” Tetrahedron Lett. 2020, 61, 151495, https://doi.org/10.1016/j.tetlet.2019.151495

(46) R. Gujjarappa, N. Vodnala, V. P. R. K. Putta, V. G. Reddy and C. C. Malakar Conversion of Alkynes into 1,2-Diketones using HFIP as Sacrificial Hydrogen Donor and DMSO as Dihydroxylating Agent” Tetrahedron Lett. 2020, 61, 151588, https://doi.org/10.1016/j.tetlet.2019.151588

(47) R. Gujjarappa, N. Vodnala, V. G. Reddy and C. C. Malakar Niacin as a Potent Organocatalyst towards the Synthesis of Quinazolines using Nitriles as C-N Source” Eur. J. Org Chem. 2020, 803-814. (Highlighted in Chemistry Views 2020, https://www.chemistryviews.org/details/ezine/11218877/Organocatalyzed_Synthesis_of_Quinazolines.html).  https://doi.org/10.1002/ejoc.201901651

(48) R. Gujjarappa, N. Vodnala, A. Garg, C. K. Hazra, S. Gupta and C. C. Malakar Amino Acid-Mediated Aerobic Oxidation of Organoborons for the Synthesis of Phenolic Derivatives using Single Electron Transfer” ChemistrySelect 2020, 5, 2419-2423, https://doi.org/10.1002/slct.201904059

(49) D. Kaldhi, N. Vodnala, R. Gujjarappa, A. K. Kabi, S. Nayak and C. C. Malakar Transition-Metal-Free Variant of Glaser- and Cadiot-Chodkiewicz-Type Coupling: Benign Access to Diverse 1,3-Diynes and Related Molecules” Tetrahedron Lett. 2020, 61, 151775, https://doi.org/10.1016/j.tetlet.2020.151775

(50) N. Vodnala, R. Gujjarappa, V. Satheesh, R. Gupta, D. Kaldhi, A. K. Kabi and C. C. Malakar Copper-Catalyzed [2+2+1+1] Annulation for the Regioselective Synthesis of 2,6-Diarylpyridines via C1-Insertion and Subsequent Cyclization” ChemistrySelect 2020, 5, 10144-10148, https://doi.org/10.1002/slct.202002968.

(51) R. Gujjarappa, N. Vodnala and C. C. Malakar Recent Advances in Pyridine-Based Organocatalysis and its Application towards Valuable Chemical Transformations” ChemistrySelect 2020, 5, 8745-8758, https://doi.org/10.1002/slct.202002765.

(52) R. Gujjarappa, N. Vodnala and C. C. Malakar Comprehensive Strategies for the Synthesis of Isoquinolines: Progress Since 2008” Adv. Synth. Catal. 2020, 362, 4896-4990, https://doi.org/10.1002/adsc.202000658.

(53) R. Gujjarappa, N. Vodnala, V. G. Reddy and C. C. Malakar A Facile C-H Insertion Strategy using the Combination of HFIP and Isocyanides: The Metal-Free Access of Azole Derivatives” Asian J. Org Chem. 2020, 9, 1793-1797, https://doi.org/10.1002/ajoc.202000481.

(54) A. K. Kabi, R. Gujjarappa, N. Vodnala, D. Kaldhi, U. Tyagi, K. Mukherjee and C. C. Malakar HFIP-Mediated Strategy towards β-Oxo Amides and Subsequent Friedel-Craft Type Cyclization to 2- Quinolinones using Recyclable Catalyst” Tetrahedron Lett. 2020, 61, 152535, https://doi.org/10.1016/j.tetlet.2020.152535.

(55) S. Sharma, C. C. Malakar, V. Singh Transition-Metal-Free C-S Bond Forming Strategy towards Synthesis of Highly Diverse Pyrazole Tethered Benzothiazoles: Investigation of their Photophysical Properties” Asian J. Org Chem. 2020, 9, 1857-1868, https://doi.org/10.1002/ajoc.202000390

(56) N. Vodnala, R. Gujjarappa, S. Polina, N. Vodnala, V. Satheesh, D. Kaldhi, A. K. Kabi and C. C. Malakar Organocatalytic C-C Bond Cleavage Approach: A Metal-Free and Peroxide-Free Facile Method for the Synthesis of Amide Derivatives” New. J. Chem. 2020, 44, 20940-20944, https://doi.org/10.1039/D0NJ04158K.

(57) S. Polina, V. P. R. K. Putta, R. Gujjarappa, V. Singh, P. P. Pujar and C. C. Malakar P(III)-Mediated Cascade C-N/C-S Bond Formation: A Protocol towards the Synthesis of N,S-Heterocycles and Spiro Compounds” Adv. Synth. Catal. 2021, 363, 431-445, https://doi.org/10.1002/adsc.202001149

(58) S. Polina, V. P. R. K. Putta, R. Gujjarappa, P. Pujar and C. C. Malakar Aza-Michael addition of 1,2-diazoles to structurally diverse enones: Efficient methods toward β-amino ketones” J. Heterocycl. Chem. 2021, 58, 1029-1033, https://doi.org/10.1002/jhet.4221.

(59) V. Kumar, D. Singh, R. Gujjarappa, C. C. Malakar and V. Singh Efficient Approach towards the Polysubstituted 4H-Pyran Hybrid Quinolone Derivatives and Subsequent Copper-Catalyzed Hydroxylation of Haloarenes” HeteroCycles 2021, 102, 465-479, https://doi.org/10.3987/COM-20-14383.

(60) N. Devi, A. Gupta, R. Gujjarappa, C. C. Malakar and V. Singh Synthesis of Substituted Pyrazolo[4,3-c]quinolones and the C-C Bond Cleavage During Reductive Cyclization” HeteroCycles 2021, 102, 705-722, https://doi.org/10.3987/com-20-14403

(61) S. Kumar, C. C. Malakar and V. Singh Cu(II)-Catalysed Azide-Alkyne Cycloaddition Reaction towards Synthesis of β-Carboline C1-Tethered 1,2,3-Triazole Derivatives ChemistrySelect 2021, 6, 4005-4010, https://doi.org/10.1002/slct.202100002.

(62) R. Gujjarappa, N. Vodnala, A. Kandpal, L. Roy, S. Gupta, and C. C. Malakar Csp-Csp Bond Cleavage and Fragments Coupling: Transition Metal-Free “Extrusion and Recombination” Approach towards Synthesis of 1,2-Diketones”  Org. Chem. Front., 2021, 8, 5389-5396, https://doi.org/10.1039/D1QO00848J.

(63) A. K. Kabi, R. Gujjarappa, A. Roy, A. Sahoo, D. Musib, N. Vodnala, V. Singh, and C. C. Malakar Transition Metal-Free Transfer Hydrogenative Cascade Reaction of Nitroarenes with Amines/Alcohols: Redox-Economical Access to Benzimidazoles” J. Org. Chem. 2021, 86, 14597-14607, https://doi.org/10.1021/acs.joc.1c01450.

(64) R. Gujjarappa, N. Vodnala, D. Musib, and C. C. Malakar Organocatalytic Decarboxylation and Dual C(sp3)-H Bond Functionalization Toward Facile Access to Divergent 2,6-Diarylpyridines” Asian J. Org. Chem. 2022, 11, e202100627, https://doi.org/10.1002/ajoc.202100627.

(65) M. Singh, R. Jamra, A. K. Paul, C. C. Malakar, V. Singh KI-assisted Sulfur Activation/Insertion/Denitration Strategy towards Dual C−S Bond Formation for One-pot Synthesis of β-Carboline-tethered 2-Acylbenzothiophenes Asian J. Org. Chem. 2022, 11, e202100653, https://doi.org/10.1002/ajoc.202100653.

(66) A. Garg, K. Kant, K. K. Roy, A. Sahoo, C. C. Malakar, S. Gupta Docking-based evaluation against Human Tankyrase-1 and Tankyrase-2 enzyme Materialstoday: Proceedings. 2022, 57, 300-306, https://doi.org/10.1016/j.matpr.2022.03.095.

(67) R. Reetu, A. Garg, K. K. Roy, A. Roy, S. Gupta, C. C. Malakar In-silico studies for targeting PPARγ for the Type II Diabetes Mellitus” Materialstoday: Proceedings. 2022, 57, 44-48, https://doi.org/10.1016/j.matpr.2022.01.299.

(68) R. Reetu, R. Gujjarappa, C. C. Malakar Recent Advances in Synthesis and Medicinal Evaluation of 1,2-Benzothiazine Analogues” Asian J. Org. Chem. 2022, 11, e202200163,  https://doi.org/10.1002/ajoc.202200163.

(69) E. P. Devi, D. Kaldhi, R. Sengupta, A. Roy, A. Sahoo, I. Saha, C. C. Malakar Catalytic Iodine and Morpholine as Reagent Combination for Hydration of Alkynes via Markovnikov Addition” Asian J. Chem. 2022, 34, 1592-1596, https://doi.org/10.14233/ajchem.2022.23751.

(70) L. S. Singh, A. K. Kabi, R. Sengupta, A. Roy, A. Sahoo, I. Saha, C. C. Malakar C-H Functionalization and C-N Bond Formation Approaches under Catalytic Conditions for the Synthesis of α-Ketoamides and 2,4-Disubstituted-1,3,5-triazines” Asian J. Chem. 2022, 34, 1841-1847, https://doi.org/10.14233/ajchem.2022.23769.

(71) P. S. Kishore, R. Gujjarappa, R. K. Putta, S. Polina, V. Singh, P. P. Pujar, C. C. Malakar Potassium tert-Butoxide-Mediated Synthesis of 2-Aminoquinolines from Alkylnitriles and 2-Aminobenzaldehyde Derivatives” ChemistrySelect 2022, 7, e202204238, http://dx.doi.org/10.1002/slct.202204238.

(72) V.P. R. K. Putta, S. Polina, R. Gujjarappa, P. S. Kishore, C. C. Malakar, P. P. Pujar “Efficient Synthesis of 4H-3,1-Benzothiazin-4-ones via C-N/C-S Bond Forming Reactions” Polycyl. Arom. Comp. 2023, 43, 7416-7425, https://doi.org/10.1080/10406638.2022.2136220.

(73) L. S. Singh, S. Banerjee, I. Saha, C. C. Malakar “Organocatalyzed-Aerobic Oxidation of Arylboronic Acids toward the Synthesis of Phenolic Derivatives” Lett. Org. Chem. 2023, 20, 533-540, http://dx.doi.org/10.2174/1570178620666221128121925.

(74) Vaishali, C. C. Malakar, V. Singh “A Cascade A3 Coupling Strategy towards Regioselective Synthesis of β-Carboline N-fused Pyrrole Derivatives with Pyridine Tethers” New J. Chem. 2023, 47, 1186-1196, https://doi.org/10.1039/D2NJ04620B.

(75) C. C. Malakar, L. Dell'Amico, W. Zhang “Dual Catalysis in Organic Synthesis: Current Challenges and New Trends” Eur. J. Org. Chem. 2023, 26, e202201114, https://doi.org/10.1002/ejoc.202201114.

(76) S. Sharma, D. Singh, S. Kumar, R. Jamra, N. Banyal, Deepika, C. C. Malakar, V. Singh “An Efficient Metal-free and Catalyst-free C-S/C-O Bond Formation Strategy: Synthesis of Pyrazole Conjugated Thioamides and Amides”   Beilstein J. Org. Chem. 2023, 19, 231-244, https://doi.org/10.3762/bjoc.19.22.

(77) A. K. Kabi, M. Pal, R. Gujjarappa, C. C. Malakar, Mithun Roy “Overview of Hydroxychloroquine and Remdesivir on severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)” J. Heterocycl. Chem. 2023, 60, 165-182, https://onlinelibrary.wiley.com/doi/full/10.1002/jhet.4541.

(78) M. Shtaiwi, M. Al-Refa'I, L. Al-Najjar, N. Al-jaar, C. C. Malakar, A. Shtaiwi, M. A. Sini “Design, Synthesis, Biological Activity, and Molecular Modeling of Novel Spiroquinazoline Derivatives as Acetylcholinesterase Inhibitors for Alzheimer Disease” Polycyl. Arom. Comp. 2023, 43, 8082-8095, http://dx.doi.org/10.1080/10406638.2022.2144911.

(79) K. Kant, S. Banerjee, C. K. Patel, S. Kalita, R. Reetu, P. Nayak, N. Al-Jaar, C. C. Malakar “Advances on Catalytic Approaches towards the Synthesis of Quinoline Derivatives using Povarov ReactionHeterocycles 2023, 106, 925-967, http://dx.doi.org/10.3987/REV-23-1004.

(80) N. Al-jaar, M. M. Ibrahim, E. A. Younes, M. Al-Noaimi, K. A. Abu-Safieh, B. F. Ali, K. Kant, C. C. Malakar,  “Strategies towards the Synthesis of 2-Ketoaryl Azole Derivatives using C-H Functionalization Approach and 1,2-Bis-Nucleophile Precursors” Asian J. Org. Chem. 2023, 12, e202300036, https://doi.org/10.1002/ajoc.202300036.

(81) E. Pinky Devi, S. Polina, K. Kant, A. K. Kabi, N. Al-Zaqri, N. Aljaar, C. C. Malakar “N-Alkylation of Azoles with Enones Assisted by P(III) or Fe2O3-nanoparticles as Recyclable Catalyst” Heterocycles 2023, 106, 1023-1038, https://doi.org/10.3987/COM-23-14833.

(82) C. K. Patel,  R. Gujjarappa,  K. Kant,  S. Ghanta, V. Singh, A. K. Kabi, N. Al-Zaqri,  C. C. Malakar “Copper-Catalyzed C(sp3)−Functionalization and Annulation of 2-Bromoaryl Oximes with Active Methylene Compounds towards Synthesis of Isoquinoline N-Oxides”    Adv. Synth. Catal. 2023, 365, 2203-2210, https://doi.org/10.1002/adsc.202300217.

(83) M. Singh, Deepika, S. Kumar, Jyoti, N. Kumar, B. Bhudalkoti, C. C. Malakar, V. Singh Transition Metal-free Cascade C-N Bond Formation: An Effective Strategy for the Synthesis of β-Carboline N-Fused Imidazolium Acetates and Estimation of their Light Emitting Properties” Synthesis 2023, 55, 3329-3341, 10.1055/s-0041-1738447.

(84) S. Kumar, R. Kumar, C. C. Malakar, V. Singh “Copper catalysed regioselective synthesis of pyrimidine substituted Indolizino[8,7-b]indole derivatives via cascade A3 annulation” Tetrahedron 2023, 142, 133547, https://doi.org/10.1016/j.tet.2023.133547.

(85) D. Dhillon, A. K. Paul, C. C. Malakar, A. Bansal, V. Singh “DABCO Mediated Sulfur Activation-Intramolecular De-nitration Strategy for the Synthesis of Novel Dihydrothiochromeno[4,3-c]pyrazoles” Asian J. Org. Chem. 2023, 12, e202300289, https://doi.org/10.1002/ajoc.202300289.

(86) C. K. Patel, S. Banerjee, K. Kant, R. Sengupta, N. Aljaar, C. C. Malakar “Roles of Alkali Metals tert-Butoxide as Catalysts and Activators in Organic Transformations” Asian J. Org. Chem. 2023, 12, e202300311, https://doi.org/10.1002/ajoc.202300311.

(87) Y. A Teli, R. Reetu, P. G. Singh, M. J. Patel, S. Dash, S. Paine, P. S. Prabhakar, V. Singh, K. S Keremane, N. Al-Zaqri, K. Mukherjee, S. Dutta, C. C. Malakar “Synthesis and Characterization of Novel Pd@rGO−CuFe2O4 Magnetic Nanoparticles: A Recyclable Catalyst for C−C Coupling Reaction in Biomass-Derived Organic Solvent”   Asian J. Org. Chem. 2023, 12, e202300481, https://doi.org/10.1002/ajoc.202300481. 

(88) K. Kant, C. K Patel, S. Banerjee, P. Naik, A. K Atta, A. K Kabi, C. C. Malakar “Recent Advancements in Strategies for the Synthesis of Imidazoles, Thiazoles, Oxazoles, and Benzimidazoles” ChemistrySelect 2023, 8, e202303988, https://doi.org/10.1002/slct.202303988. 

(89) L. S. Singh, K. Kant, S. Banerjee, R. Sengupta, A. A AlObaid, M. Pal, S. Dutta, N. Aljaar, C. C. Malakar “The γ-Valerolactone (GVL) as Innoxious Reaction Media for the Synthesis of 2-Aryl-2H-Indazoles via C-N and N-N Bond Formation under Cu(I)-Catalyzed Ligand and Base Free Conditions” Polycyl. Arom. Comp.  2024, 44, 4832-4843, https://doi.org/10.1080/10406638.2023.2257846. 

(90) E. P. Devi, K. Kant, D. Kaldhi, S. Ghanta, R. Sengupta, N. Al-Zaqri, V. Singh, C. C. Malakar “Metal- and Hazardous Reagent-Free Transamidation Process: the NH2OH-HCl Promoted N-Formylation and N-Acylation Reaction under Solvent-Less Conditions” Polycyl. Arom. Comp.  2024, 44, 4746-4758, https://doi.org/10.1080/10406638.2023.2257841. 

(91) R. Reetu, R. Gujjarappa, Y. A. Teli, M. J. Patel, S. Kalita, S. Dash, S. Ghanta, K. S Keremane, V. Singh, A. El-marghany, C. C. Malakar  “Transformation of Unactivated Alkenes into Iodohydrins and β-Iodoethers using Iodine-DMSO as a Reagent Combination” ChemistrySelect 2024, 9, e202304426, https://doi.org/10.1002/slct.202304426. 

(92) N. Banyal, C. C. Malakar, R. Kumar, V. Singh “DIPEA-Assisted Efficient One-Pot Three-Component Synthesis of Novel β-Carboline Tethered Pyran Derivatives” ChemistrySelect 2024, 9, e202304751, https://doi.org/10.1002/slct.202304751. 

(93) R. Reetu, S. Kalita, S. Dash, C. C. Malakar “Iodine and DMSO as Surrogate of Hazardous Metal and Non-Metal Reagents in Organic Synthesis” ChemistrySelect 2024, 9, e202303845, https://doi.org/10.1002/slct.202303845. 

(94) P. S. Kishore, R. Gujjarappa, M. J. Patel, S. Polina, VP R. K. Putta, V. Singh, C. C. Malakar, P. P. Pujar A Metal-Free KOtBu-Mediated Protocol towards the Synthesis of Quinolines, Indenoquinolines and Acridines” ChemistrySelect 2024, 9, e202304897, https://doi.org/10.1002/slct.202304897. 

(95) D. Singh, S. Sharma, R. K. Thakur, S. Nain, C. C. Malakar, Virender Singh “Cu-catalysed diversity-oriented synthesis of isoxazole and imidazo[1,2-a]azine conjugates” Tetrahedron 2024, 152, 133809, https://doi.org/10.1016/j.tet.2023.133809.

(96) Y. A. Teli, R. Reetu, R. Gujjarappa, S. Banerjee, S. Ghanta, M. J. Patel, V. Singh, N. Al-Zaqri, R. Sengupta, C. C. Malakar “B(OH)3-Catalyzed Dual Friedel-Crafts Type Reaction of Anilines and Aldehydes to Access Di- or Triarylmethanes (TRAMs)” Eur. J. Org. Chem. 2024, 27, e202301086, https://doi.org/10.1002/ejoc.202301086.

(97) M. Shtaiwi, A. H. A. Sarhan, N. Aljaar, A. Shtaiwi, M. Abu-Sini, M. Alwahsh, L. Hamadneh, C. C. Malakar, K. A. Abu-Safieh “Enamino Barbiturates as Antiproliferative and Antimicrobial Agents: Studies on Synthesis, Biological Activities, and Molecular Modeling”  ChemistrySelect 2024, 9, e202400626, https://doi.org/10.1002/slct.202400626.

(98) N. Aljaar, H. F. Aboalrub, M. Shtaiwi, A. H. A. Sarhan, E. A. Younes, M. Al-Noaimi, A. Shtaiwi, L. H. Tahtamouni, K. A. Abu-Safieh, A. A. AlObaid, C. C. Malakar  “Cu-Catalyzed Synthesis of 4H-benzo[4,5]thiazolo[3,2-a]pyrimidin-4-ones: Molecular Docking Studies and Anti-Proliferative Activities Against HepG2 Hepatocellular Carcinoma Cells” Asian J. Org. Chem. 2024, 13, e202400065, https://doi.org/10.1002/ajoc.202400065.

(99) N. Banyal, C. C. Malakar, R. Kumar, V. Singh “Transition Metal-Free Diastereoselective Synthesis of β-Carboline Tethered Dihydrofurocoumarin Derivatives” Asian J. Org. Chem. 2024, 13, e202300639, https://doi.org/10.1002/ajoc.202300639.

(100) N. Aljaar, M. Shtaiwi, B. F. Ali, M. Al-Refai, K. Kant, N. S. Bliss, M. Al-Noaimi, L. A. Al-Momani, C. C. Malakar “ortho-Halobenzyl Halides as Precursor for the Synthesis of Five- to Nine-Membered Ring Structures Employing Transition Metals as Catalysts”  Synthesis 2024, DOI: 10.1055/a-2311-4002.

(101) K. Kant, C. K. Patel, R. Reetu, Y. A. Teli, P. Naik, S. Some, C. K. Hazra, N. Aljaar, A. K. Atta, C. C. Malakar “Comprehensive Strategies on the Synthesis of Ene-Yne Derivatives” Synthesis 2024, DOI: 10.1055/a-2317-7262.

(102) A. K. Kabi, R. Gujjarappa, A. Garg, A. Sahoo, A. Roy, S. Gupta, C. C. Malakar “Biological Impacts of Imidazoline Derivatives”   Chemical Papers 2024,  78, 5743–5752, https://doi.org/10.1007/s11696-024-03496-1.

(103) C. K. Patel, K. Kant, Y. A. Teli, S. Banerjee, P. Naik, V. Sharma, K. S. Keremane, M. K. Al-Sadoon, V. Singh, C. C Malakar “Reductive C-N Bond Formation of Nitroarenes using Pd@rGO-CuFe2O4 Magnetic Nanoparticles in Water towards the Synthesis of N-Aryl Formamide and Azole Derivatives” Asian J. Org. Chem. 2024, 13, e202400255, https://doi.org/10.1002/ajoc.202400255.

(104) K. Kant, C. K. Patel, S. Banerjee, P. Naik, A. Padhi, V. Sharma, V. Singh, R. Almeer, K. S. Keremane, A. K. Atta, C. C Malakar “HFIP-Mediated Cyclodesulfurization Approach for the Synthesis of 2-Aminobenzoxazole and 2-Aminobenzothiazole Derivatives” Asian J. Org. Chem. 2024, 13, e202400223, https://doi.org/10.1002/ajoc.202400223.

(105) B. Dey, S. Ghosh, C. C. Malakar, A. K. Atta “Review on pyrene-based fluorometric chemosensing materials for picric acid and their AIE propertiesMicrochemical Journal, 2024, 200, 110486.

(106) Y. A. Teli, R. Reetu, S. A. Chanu, K. S. Keremane, R. Almeer, V. Singh, C. C. Malakar “HFIP-Mediated Dual C(Ar)-Alkylation Process towards the Regioselective Synthesis of Triarylmethanes (TRAMs)” Chemistry – An Asian J., 2024, https://doi.org/10.1002/asia.202400635

(107) C. K. Patel, K. Kant, S. Banerjee, S. Kalita, A. K. Atta, C. C. Malakar “Skeletal Editing Through Single Atom Insertion: An Insight into A New Era of Synthetic Organic Chemistry” Synthesis, 2024, DOI: 10.1055/a-2395-5804

(108) K. Kant, P. Naik, C. K. Patel, S. Some, S. Banerjee, A. Padhi, N. Aljaar, A. K. Atta, C. C. Malakar “Organocatalytic Approaches towards the Synthesis of Asymmetric Tetrahydroquinoline (THQ) Derivatives” Synthesis, 2024, DOI: 10.1055/a-2376-3524

(109) V. Kumar, S. Sharma, Vaishali, D. Singh, C. C. Malakar, Virender Singh “Exploration of Synthetic Potential of Quinoline-3-Carbaldehydes” Eur. J. Org. Chem., 2024, 27, e202400456.

(110) S. Ghosh, C. C. Malakar, P. Pahari, A. K. Atta “Amide/urea-based simple fluorometric receptors for iodide and Hg2+ ions in aqueous medium: Aggregation induced emission and DFT studies” Spectrochim. Acta A Mol. Biomol. Spectrosc. 2025, 325, 125134, https://doi.org/10.1016/j.saa.2024.125134.

(111) B. Dey, S. Ghosh, C. C. Malakar, A. K. Atta “Review on pyrene-based fluorometric chemosensing materials for picric acid and their AIE properties”  Microchem. J. 2024, 200, 110486, https://doi.org/10.1016/j.microc.2024.110486.  

(112) Vaishali, N. Banyal, S. Sharma, M. Singh, C. C. Malakar, V. Singh “An efficient, step-economical synthesis of β-carboline tethered imidazopyrido[3,4-b]indoles from acetals” New J. Chem. 2024, 48, 11394-11406.

(113) R. Jamra, C. C. Malakar, S. Khullar, V. Singh  “In(OTf)3-catalysed A3-annulation strategy towards the synthesis of pyrazole-tethered quinoline derivatives and assessment of their luminescent properties”   New J. Chem. 2025, 19, DOI: https://doi.org/10.1039/D4NJ04130E.

(114) J. Jyoti, R. Jamra, D. Deepika, S. Sharma, C. C. Malakar, V. Singh “Regioselective Synthesis of Isocyano-containing Densely Functionalized Alkenes from Propynenitriles” Synlett. 2025, DOI: https://doi.org/10.1055/a-2538-1363

(115) K. Kant, P. Naik, Y. A. Teli, Jyoti, A. K. Kabi, V. Singh, N. Al-Zaqri, C. C. Malakar “TBAI-Promoted Electrochemical Cyclization: Synthesis of quinazolines using cascade C—N bond generation”    ChemistrySelect. 2025, 10, e202405092. DOI: https://doi.org/10.1002/slct.202405092

(116) V. Malakar, S. Dhanabal, B. Gowramma, A. Jangra, K. Kant, H. A. El-Serehy, K. S. Keremane, C. C. Malakar Deciphering Potent Protein Tyrosine Phosphatase-1B Inhibitors Through In silico Molecular Docking, MMGBSA, and Molecular Dynamics” ChemistrySelect. 2025, 10, e202403082. DOI: https://doi.org/10.1002/slct.202403082

(117) K. Kant, P. Naik, C. K. Patel, T. A. Devi, Jyoti, A. K. Kabi, F. A. Al-Misned, V. Singh, C. C. Malakar “Electrochemical Cyclization–Desulfurization approach for the synthesis of 1,3-Benzoxazines using cascade C–O and C–N bond formation” J. Org. Chem. 2025, 90, 1835–1846. DOI: https://doi.org/10.1021/acs.joc.4c02429                                                                                                             

 (118) K. Kant, P. Naik, Jyoti, N. Aljaar, C. C. Malakar “Ionic Liquids in C-H Activation: Synthesis and Functionalization of Heterocycles and Carbocycles”   Org. Biomol. Chem., 2025, 23, 4260-4305. https://doi.org/10.1039/D4OB02109F.

(119) Y. A. Teli, K. Kant, S. A. Chanu, N. Aljaar, C. C. Malakar “Generation of C(sp3)-CAr Bonds in the Synthesis of Triarylmethanes (TRAMs): Comprehensive Progress Since 2009Org. Biomol. Chem., 2025, 23, 3492-3519. https://doi.org/10.1039/D4OB02069C.

(120) A. Panwar, C. C. Malakar, A. Upadhyay, M. Roy “A red light-activable hetero-bimetallic [Fe(III)–Ru(II)] complex as a dual-modality PDT tool for anticancer therapy” Dalton Trans., 2025,54, 4474-4483.

(121) S. S. Ghosh, C. C. Malakar, P. P. Pahari, A. K. Atta “Amide/urea-based simple fluorometric receptors for iodide and Hg2+ ions in aqueous medium: Aggregation induced emission and DFT studies”  Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2025, 325, 125134.       

(122)     K. S. Keremane, M. G. Acharya, P. Naik, C. C. Malakar, K. Wang, B. Poudel “Recent Advances in Aggregation-Induced Emission (AIE) Fluorescent Sensors for Biomolecule Detection” Chemosensors 2025, 13, 174; https://doi.org/10.3390/chemosensors13050174.

(123) R. Bhowmik, M. Pal, N. Masarkar, S. Mukherjee, A. A. Singh, C. C. Malakar, M. Roy  “Synthesis, Protein-Binding Studies and Red Light-Assisted Cytotoxicity of Iron(III)-phenolato/Carboxylate Functionalized-Graphene Oxide and Single-Wall Carbon Nanotube” Chemistryselect 2025, 10, e202405855; https://doi.org/10.1002/slct.202405855.

(124) V. Kumar, K. Singh, S. Sharma, D. Singh, C. C. Malakar, Virender Singh “SnCl2-mediated heterocyclization approach for the synthesis of benzisoxazole/quinoline-embedded β-carboline scaffolds” Org. Biomol. Chem., 2025, 23, 4782-4793. https://doi.org/10.1039/D5OB00299K.

(125) Jyoti, Vaishali, S. Sharma, D. P. Borthakur, Deepika, C. C. Malakar,  Virender Singh “A transition metal-free [3 + 2] cycloaddition approach for the efficient synthesis of trisubstituted pyrrole derivatives from β-chlorovinyl aldehydes” Org. Biomol. Chem., 2025, 23, 4735-4742. https://doi.org/10.1039/D5OB00351B.

(126) V. Malakar, S. P Dhanabal, A. Justin, D. Roy, K. Kant, R. Almeer, K. S. Keremane, C. C. Malakar   “Exploring the Multi-Target Effects of Valeriana officinalis in Alzheimer's Disease: a Network Pharmacology Approach” Chemistryselect 2025, 10, e202403078. https://doi.org/10.1002/slct.202403078.

(127) K. Kant, T. A. Devi, N. Nitin, C. C. Malakar “Role of Copper in Mechanochemical C-H activation Approaches: Mechanochemistry in C-C, C-X Bonds Formation” Asian J. Org. Chem. 2025, e202500139, https://doi.org/10.1002/ajoc.202500139.

Book Chapters:

(1)  A. K. Kabi, S. Sravani, R. Gujjarappa, A. Garg, N. Vodnala, U. Tyagi, D. Kaldhi, R. Velayutham, S. Gupta, C. C. Malakar An Introduction on Evolution of Azole Derivatives in Medicinal ChemistrySpringer Nature, Singapore, 2022, http://dx.doi.org/10.1007/978-981-16-8399-2_4.

 (2)  R. Gujjarappa, A. K. Kabi, S. Sravani, A. Garg, N. Vodnala, U. Tyagi, D. Kaldhi, V. Singh, S. Gupta, C. C. Malakar Overview on Biological Activities of Thiazole DerivativesSpringer Nature, Singapore, 2022, http://dx.doi.org/10.1007/978-981-16-8399-2_5.

 (3) R. Gujjarappa, A. K. Kabi, S. Sravani, A. Garg, N. Vodnala, U. Tyagi, D. Kaldhi, R. Velayutham, V. Singh, S. Gupta, C. C. Malakar             Overview on Biological Activities of Imidazole DerivativesSpringer Nature, Singapore, 2022, http://dx.doi.org/10.1007/978-981-16-8399-2_6.

 (4) A. K. Kabi, S. Sravani, R. Gujjarappa, A. Garg, N. Vodnala, U. Tyagi, D. Kaldhi, V. Singh, S. Gupta, C. C. Malakar Overview on Biological Activities of Pyrazole DerivativesSpringer Nature, Singapore, 2022, http://dx.doi.org/10.1007/978-981-16-8399-2_7.

(5)  A. K. Kabi, S. Sravani, R. Gujjarappa, A. Garg, N. Vodnala, U. Tyagi, D. Kaldhi, R. Velayutham, V. Singh, S. Gupta, C. C. Malakar An Overview on Biological Evaluation of Tetrazole DerivativesSpringer Nature, Singapore, 2022, http://dx.doi.org/10.1007/978-981-16-8399-2_8.

(6) A. K. Kabi, S. Sravani, R. Gujjarappa, A. Garg, N. Vodnala, U. Tyagi, D. Kaldhi, V. Singh, S. Gupta, C. C. Malakar An Overview on Biological Activity of Benzimidazole DerivativesSpringer Nature, Singapore, 2022, http://dx.doi.org/10.1007/978-981-16-8399-2_9.

 (7)  R. Gujjarappa, S. Sravani, A. K. Kabi, A. Garg, N. Vodnala, U. Tyagi, D. Kaldhi, V. Singh, S. Gupta, C. C. Malakar An overview on Biological Activities of Oxazole, Isoxazoles and 1,2,4-oxadiazoles DerivativesSpringer Nature, Singapore, 2022,  http://dx.doi.org/10.1007/978-981-16-8399-2_10.

(8)  A. K. Kabi, S. Sravani, R. Gujjarappa, A. Garg, N. Vodnala, U. Tyagi, D. Kaldhi, V. Singh, S. Gupta, C. C. Malakar An Overview on Biological Activities of 1,2,3-Triazole DerivativesSpringer Nature, Singapore, 2022, http://dx.doi.org/10.1007/978-981-16-8399-2_11.

 (9) A. K. Kabi, R. Gujjarappa, A. Garg, A. Roy, A. Sahoo, S. Gupta, C. C. Malakar Overview on Medicinal Impacts of 1,2,4-Triazole DerivativesSpringer Proceedings in Materials2022, Springer International Publishing, https://doi.org/10.1007/978-981-19-2572-6_5.

(10) A. K. Kabi, R. Gujjarappa, A. Garg, A. Roy, A. Sahoo, S. Gupta, C. C. Malakar Overview on Diverse Biological Activities of Benzisoxazole DerivativesSpringer Proceedings in Materials2022, Springer International Publishing, https://doi.org/10.1007/978-981-19-2572-6_6.

 (11) A. K. Kabi, R. Gujjarappa, A. Garg, A. Roy, A. Sahoo, S. Gupta, C. C. Malakar Highlights on Biological Activities of 1,3,4-Thiadiazole and Indazole DerivativesSpringer Proceedings in Materials2022, Springer International Publishing, https://doi.org/10.1007/978-981-19-2572-6_7.

Patents: 

(1) C. C. Malakar, R. Gujjarappa, N. Vodnala Organocatalytic Process for the Synthesis of 2,6-Diaryl/Hetero-Aryl Pyridines” Indian Patent Application, Filed on 14th June 2021, Application number: 202131026450. (Published in Indian Patent Office Official Journal, Issue no.30, 2022, page 47469). 

(2)  C. C. Malakar, D. Kaldhi, R. Gujjarappa A Process for the Synthesis of Azides from Amines under Nitrite Salts-Free Approach” Indian Patent Application, Filed on 14th September 2021, Application number: 202131041413. (Published in Indian Patent Office Official Journal, Issue no.30, 2022, page 47472).

(3) C. C. Malakar, D. Kaldhi, R. Gujjarappa Process for the Nitrite Salt Free Preparation of Iodoarenes and Iodoalkanes” Indian Patent Application, Filed on 28th October 2021, Application number: 202131049474 (Published in Indian Patent Office Official Journal, Issue no.7, 2022, page 9480).

(4)  C. C. Malakar, D. Kaldhi, R. Gujjarappa Nitrite-Salts and Diazonium-Salts Free Process for the Preparation of Aryltriazole Derivatives” Indian Patent Application, Filed on 1st August 2022, Application number: 202231043850. (Published in Indian Patent Office Official Journal, Issue no.31, 2022, page 49246).

(5)  M. Loya, A. K. Atta, C. C. Malakar,  “Bis-Pyrene Derivative Chemosensors for Quantifying Gold (III) Ions in Aqueous Medium and Process of Preparation Thereof” Indian Patent, Application number: 202331046716. Application date: 11.07.2023. (Published in Indian Patent Official Journal. Journal no. 35/2023, Vol. 4, date 01.09.2023, page no. 58089).

(6)  A. K. Atta, C. C. Malakar,  “Synthesis of Bis-Pyrene-Based Fluorometric Sensory Molecule and Method of Detection of Picric Acid Using Thereof” Indian Patent, Application number: .202431067756. Application date: 07.09.2024. (Published in the Patent Office Journal No. 37/2024, Dated 13/09/2024).

Papers Presented in Conferences: 

Papers presented in international conferences:

(1) E. Merisor, C. C. Malakarand U. Beifuss Microwave assisted cyclization of ω-nitroalkenes: Synthesis of saturated N-heterocycles” GDCH Wissenschaftsforum Chemie 16-19 Sept. 2007, Universität Ulm (Germany).

(2) C. C. Malakar “New strategies for the transition metal-catalyzed synthesis and functionalization of

carbocycles and heterocycles” 15. TAG der ORGANISCHEN CHEMIE, Stuttgart, Germany, 14 October 2011.

(3) C. C. Malakar, K. Kushwaha, W. Herrebout, K. A. Tehrani Lewis Acid Mediated Vinyl-Transfer Reaction of Alkynes to N-Alkylimines by Using the N-Alkyl Residue as a Sacrificial Hydrogen Donor” 17th Sigma Aldrich meeting, 5-6 December 2013, Blankenberg, Belgium

Papers presented in national conferences:

 (4) C. C. Malakar Application of Transition metal-catalyzed Domino Reactions in the synthesis of broad range of heterocycles” 33rd Annual Conference of the Indian Council of Chemists at Department of Applied Chemistry, Indian School of Mines, Dhanbadon 15th – 17th December, 2014

(5) D. Kaldhi, N. Vodnala, R. K. Linthoinganbi, S. C. Pinky Promily, C. C. Malakar “A Metal-free Domino Approach towards N-heterocycles using Easy Available Un-activated Simple Starting Materials” International Conference on Nature Inspired Initiatives in Chemical Trends (NIICT), Organic Synthesis 2016, at Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad, 19 – 20 September, 2016

(6) N. Vodnala, D. Kaldhi, R. K. Linthoinganbi, S. C. Pinky Promily, C. C. Malakar “Ferrites Makes it Possible via C(sp2)-H Activation: Towards the Development of Novel Routes for Indole Derivatives” International Conference on Nature Inspired Initiatives in Chemical Trends (NIICT), Organic Synthesis             2016, at Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad, 19 – 20 September, 2016

(7) D. Kaldhi, N. Vodnala, R. K. Linthoinganbi, S. C. Pinky Promily, C. C. Malakar “A Metal-free Approach towards C(sp)-H Functionalization of Terminal Alkynes” International Conference on Nature Inspired Initiatives in Chemical Trends (NIICT), Organic Synthesis 2016, at Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad, 19 – 20 September, 2016 

(8) N. Vodnala, D. Kaldhi, R. K. Linthoinganbi, S. C. Pinky Promily, C. C. Malakar “A Two-fold Un-activated C(sp2)-H Activation Approach towards Synthesis of Indole Derivatives” International Conference on Nature Inspired Initiatives in Chemical Trends (NIICT), Organic Synthesis 2016, at Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad, 19 – 20 September, 2016(Received Best Poster Award)

(9) R. Gupta, N. Vodnala, D. Kaldhi, R. Gujjarappa, A. K. Kabi, S. K. Maity, R. K. Linthoinganbi, S. C.          Pinkny Promily, V. Singh, C. C. Malakar “A Surrogate Protocol for the Synthesis of Naphthoxazoles using Inexpensive Fe-catalyzed C-Arylation Approach” RAFAS 2016, at Lovely Professional University, Jalandhar, 25 – 26 November, 2016

(10) R. Gupta, N. Vodnala, D. Kaldhi, R. Gujjarappa, A. K. Kabi, S. K. Maity, C. C. Malakar “Seeking towards Novel Method for the Synthesis of Heterocycles using Easy Available Nitro-compounds” 35th Annual Conference of the Indian Council of Chemists at Department of Chemistry, H. V. Desai College, Pune on 22 – 24 December, 2016

(11) N. Vodnala, R. Gujjarappa, A. K. Kabi, D. Kaldhi, S. K. Maity, R. Gupta, C. C. Malakar “Exploring an efficient metal-free protocol towards C-C bond cleavage for the synthesis of amide derivatives” National Symposium on Advances in Chemical Sciences at Assam University, Silchar on 11-12 January, 2017

(12) R. Gujjarappa, N. Vodnala, D. Kaldhi, A. K. Kabi, S. K. Maity, R. Gupta, C. C. Malakar “A novel two-fold un-activated C(sp2)-H bond activation for the synthesis of isoquinolines by using amino acids as starting materials” (This poster has been selected for Best Poster Award) National Symposium on Advances in Chemical Sciences at Assam University, Silchar on 11-12 January, 2017

(13) S. K. Maity, R. Gujjarappa, N. Vodnala, D. Kaldhi, A. K. Kabi, S. C. PinkyPromily, R. Gupta, C. C.        Malakar Novel C-N bond installation using C(sp2)-H bond activation towards synthesis of quinazolines National Symposium on Advances in Chemical Sciences at Assam University, Silchar on 11-12 January, 2017

(14) D. Kaldhi, N. Vodnala, R. Gujjrappa, A. K. Kabi, S. K. Maity, V. P. R. Kishore Putta, S. Polina, L.             Sidartha, R. Gupta, C. C. Malakar A Greener Synthetic Approach towards Thiodiazoles and Selenodiazoles” National Symposium on Advances in Chemical Sciences at Assam University, Silchar on 11-12 January, 2017

(15) S. K. Maity, N. Vodnala, R. Gujjarappa, A. K. Kabi, D. Kaldhi, R. Gupta, C. C. Malakar A Metal-free C-H Activation Approach towards N-heterocycles using simple starting materials” National Symposium on Advances in Chemical Sciences at Assam University, Silchar on 11-12 January, 2017

(16) A. K. Kabi, N. Vodnala, R. Gujjarappa, D. Kaldhi, S. K. Maity, R. Gupta, C. C. Malakar An efficient Ni-catalyzed domino approach for the synthesis of benzimidazoles using 1,2-di-haloarene and amidine as substrates National Symposium on Advances in Chemical Sciences at Assam University, Silchar on 11-12 January, 2017

(17) R. Gujjarappa, N Vodnala, A. K. Kabi, D. Kaldhi, S. K. Maity, R. K Linthoinganbi,R. Gupta, C. C.         Malakar “Metal-catalyzed C-C bond cleavage: Exploring a rare protocol towards amide derivatives” National Symposium on Advances in Chemical Sciences at Assam University, Silchar on 11-12 January,           2017

(18) R. Gujjarappa, C. C. Malakar “An Easy Access towards 2,4 and 2,6-Functionalized Pyridines using Metal-Catalyzed Decarboxylation/Dual C(sp3)-H Activation Strategy” National Symposium on Contemporary Facets in Organic Synthesis (CFOS 2017), during 22-24 December, 2017, IIT Roorkee (This research received Best Poster award)

(19) N. Vodnala, C. C. Malakar “Seeking towards Novel Method for the Synthesis of Heterocycles using Easy Available Nitro-compounds” National Symposium on Contemporary Facets in Organic Synthesis (CFOS 2017), during 22-24 December, 2017, IIT Roorkee

(20) A. K. Kabi, C. C. Malakar “An efficient novel method for the synthesis of β-Oxo amides by ferrites” National Symposium on Contemporary Facets in Organic Synthesis (CFOS 2017), during 22-24 December, 2017, IIT Roorkee

(21) R. Gujjarappa, N. Vodnala, C. C. Malakar  “A New Strategy towards di-Functionalized Pyridines using Iron-Catalyzed Decarboxylation/Dual C(sp3)-H Activation Approach” International Conference on Emerging Trends in Chemical Sciences, during 26-28 February, 2018, Department of Chemistry, Dibrugarh University. 

 (22) N. Vodnala, R. Gujjarappa,C. C. Malakar “A Novel and Efficient Synthetic Approach towards Biologically Important N-Heterocycles using Easy Available Nitro-compounds” International Conference on Emerging Trends in Chemical Sciences, during 26-28 February, 2018, Department of Chemistry, Dibrugarh University.

(23) D. Kaldhi, C. C. Malakar “A Surrogate Protocol for the Synthesis and Functionalization of Oxazoles using Inexpensive and Easy Access Approach” International ConferenceonEmerging Trends in Chemical Sciences, during 26-28 February, 2018, Department of Chemistry, Dibrugarh University.

(24) A. K. Kabi, R. Gujjarappa, N. Vodnala, D. Kaldhi and C. C. Malakar Gold-Catalyzed Facile Protocol Towards the Efficient Access if Azetidinyl Esters, β-Amino Esters and δ-Amino Esters Using Simple Substrates” Emerging Trends in Chemical Sciences (ETCS-2018) at Department of Chemistry, Indian Institute of Technology Indore, Indore, Madhya Pradesh, India on 12th – 15th July, 2019  (Received Best Poster Award)

(25) R. Gujjarappa, N. Vodnala and C. C. Malakar Vitamin-B3 (Niacin): An Efficient Organocatalyst for the Comprehensive Synthesis of Quinazolines using C-N Bond Formation Approach” Emerging Trends in Chemical Sciences (ETCS-2018) at Department of Chemistry, Indian Institute of Technology Indore, Indore, Madhya Pradesh, India on 12th – 15th July, 2019.

(26) N. Vodnala and C. C. Malakar Copper-Catalyzed Site-Selective Oxidative C–C Bondcleavage of Simple Ketones for the Synthesis of Anilides and Paracetamol” Emerging Trends in Chemical Sciences (ETCS-2018) at Department of Chemistry, Indian Institute of Technology Indore, Indore, Madhya Pradesh, India on 12th – 15th July, 2019.

(27) V. P. R. K. Putta, N. Vodnala, R. Gujjarappa, U. Tyagi, P. P. Pujar and C. C. Malakar Reagent-Controlled Divergent Synthesis of 2-Amino-1,3-Benzoxazines and 2-Amino-1,3-Benzothiazines” Emerging Trends in Chemical Sciences (ETCS-2018) at Department of Chemistry, Indian Institute of Technology Indore, Indore, Madhya Pradesh, India on 12th – 15th July, 2019.

(28) R. Gujjarappa, N. Vodnala, M. Kumar and C. C. Malakar Pd-Catalyzed Decarboxylation and Dual C(sp3)−H Functionalization Protocols for the Synthesis of 2,4-Diarylpyridines” 25th CRSI National Symposium in Chemistry (CRSI-NSC-2019) at Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India on 18th – 21st July, 2019.

(29) V. P. R. K. Putta, R. Gujjarappa, U. Tyagi, P. P. Pujar and C. C. Malakar A Metal- and Base-Free Domino Protocol for the Synthesis of 1,3-Benzoselenazines, 1,3-Benzothiazines and Related Scaffolds” 25th CRSI National Symposium in Chemistry (CRSI-NSC-2019) at Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India on 18th – 21st July, 2019.

(30) R. Gujjarappa, N. Vodnala, V. G. Reddy and C. C. Malakar Niacin as a Potent Organocatalyst towards the Synthesis of Quinazolines using Nitriles as C-N Source” International Conference on Chemistry for Human Development (ICCHD-2020) at Heritage Institute of Technology, Kolkata, West Bengal, India on 9th – 11th January, 2020

(31) N. Vodnala, R. Gujjarappa, C. K. Hazra, D. Kaldhi, A. K. Kabi, U. Beifuss and C. C. Malakar Copper-Catalyzed Site-Selective Oxidative C–C Bond Cleavage of Simple Ketones for the Synthesis of Anilides and Paracetamol” International Conference on Chemistry for Human Development (ICCHD-2020) at Heritage Institute of Technology, Kolkata, West Bengal, India on 9th – 11th January, 2020

(32) A. K. Kabi, D. Kaldhi R. Gujjarappa, N. Vodnala, N. Aljaar, C. C. Malakar Mo(VI)-Catalyzed Synthesis of 2-Aryl-2H-Indazoles Using Pinacol Mediated Deoxygenation of Nitroaromatics” International Conference on Chemistry for Human Development (ICCHD-2020) at Heritage Institute of Technology, Kolkata, West Bengal, India on 9th – 11th January, 2020

(33) R. Gujjarappa, N. Vodnala, M. Kumar and C. C. Malakar Pd-Catalyzed Decarboxylation and Dual C(sp3)−H Functionalization Protocols for the Synthesis of 2,4-Diarylpyridines” International Conference on Emerging Trends in Catalysis & Synthesis (IC-ETCS-2020) at Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, India on 11th – 12th March, 2020

(34) A. K. Kabi, N. Vodnala, R. Gujjarappa, M. Kumar,U. Beifussand C. C. Malakar Facile Protocols towards C2-Arylated Benzoxazoles using Fe(III)- Catalyzed C(sp2-H) Functionalization and Metal-Free Domino Approach” International Conference on Emerging Trends in Catalysis & Synthesis (IC-ETCS-2020) at Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, India on 11th – 12th March, 2020

(35) N. Vodnala and C. C. Malakar Reagent-Controlled Divergent Synthesis of 2-Amino-1,3Benzoxazines and 2-Amino-1,3-Benzothiazines” International Conference on Emerging Trends in Catalysis & Synthesis (IC-ETCS-2020) at Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, India on 11th – 12th March, 2020

(36) S. Polina, V. P. R. K. Putta, R. Gujjarappa, P. P. Pujar and C. C. Malakar An Expeditious Protocol Towards the Synthesis of N,S-Heterocycles using P(NMe2)3–Mediated Annulation Reactions” Virtual International Conference on Sustainable Energy and EnvironmentalTechnologies (V-ICSEET-2020) at Department of Chemistry, School of Applied Sciences, REVA University, Bengaluru, India on 2nd – 4th November, 2020

(37) C. C. Malakar Catalytic Approaches towards C-C & C-Heteroatom Bond Forming Reactions” Advancements in the Molecular World: Materials and Catalysis (AMWMC-2021), NIT Surathkal, 15th - 19th of February 2021

(38) R. Gujjarappa and C. C. Malakar Niacin as a Potent Organocatalyst towards the Synthesis of Quinazolines Using Nitriles as C–N Source” International Conference on 'Materials Chemistry and Catalysis (Virtual Mode) at Chemical Sciences, Tezpur University, Assam, India on 4th – 5th March, 2021

(39) K. Kant and C. C. Malakar HFIP-Mediated Cyclodesulfurization Approach for the Synthesis of 2-Aminobenzoxazole and 2-Aminobenzothiazole Derivatives” 32nd CRSI National Symposium in Chemistry (CRSI-NSC-32), BITS Pilani, Rajasthan, India on 1st – 3rd February, 2024

(40) C. K. Patel and C. C. Malakar Copper-Catalyzed C (sp3)− Functionalization and Annulation of 2-Bromoaryl Oximes with Active Methylene Compounds towards Synthesis of Isoquinoline N-Oxides” 32nd CRSI National Symposium in Chemistry (CRSI-NSC-32), BITS Pilani, Rajasthan, India on 1st – 3rd February, 2024

(41) Y. A. Teli and C. C. Malakar B(OH)3-Catalyzed Dual Friedel-Crafts Type Reaction of Anilines and Aldehydes to Access Di- or Triarylmethanes (TRAMs)” 32nd CRSI National Symposium in Chemistry (CRSI-NSC-32), BITS Pilani, Rajasthan, India on 1st – 3rd February, 2024.

(42) G. Salam, C. K. Patel, K. Kant, C. C. Malakar Reductive N-formylation of Various Nitroarenes with Novel Pd@rGO-CuFe2O4 Magnetic Nanoparticles as the Catalyst in Water” 3rd National Conference on Emerging Challenges in the Frontiers of Chemical Sciences (NC-ECFCS-2025), 27th – 28th March, 2025(Received Best Poster Award)

(43) Ng. S. Bliss, Y. A. Teli, K. Kant, C. C. Malakar HFIP-Mediated Dual C(Ar)-Alkylation Process Towards the Regioselective Synthesis of Triarylmethanes (TRAMs)” 3rd National Conference on Emerging Challenges in the Frontiers of Chemical Sciences (NC-ECFCS-2025), 27th – 28th March, 2025.

(44) L. S. Devi, K. Kant, C. C. Malakar The γ-valerolactone (GVL) as Innoxious Reaction Media for the Synthesis of 2-aryl-2H-indazoles via C-N and N-N Bond Formation under Cu(I)-Catalyzed Ligand and Base Free Conditions” 3rd National Conference on Emerging Challenges in the Frontiers of Chemical Sciences (NC-ECFCS-2025), 27th – 28th March, 2025.

(45) R. Nongmaithem, K. Kant, C. C. Malakar TBAI-Promoted Electrochemical Cyclization: Synthesis of Quinazolines using Cascade C-N Bond Generation” 3rd National Conference on Emerging Challenges in the Frontiers of Chemical Sciences (NC-ECFCS-2025), 27th – 28th March, 2025.

(46)  S. Rabia, K. Kant, C. C. Malakar HFIP-Mediated Cyclodesulfurization Approach for the Synthesis of 2-Aminobenzoxazole and 2-Aminobenzothiazole Derivatives” 3rd National Conference on Emerging Challenges in the Frontiers of Chemical Sciences (NC-ECFCS-2025), 27th – 28th March, 2025.

(47) A. S. Devi, C. K. Patel, K. Kant, C. C. Malakar Copper-Catalyzed C(sp3)–H Functionalization and Annulation of 2-Bromoaryl Oximes with Active Methylene Compounds towards Synthesis of Isoquinoline N-Oxides” 3rd National Conference on Emerging Challenges in the Frontiers of Chemical Sciences (NC-ECFCS-2025), 27th – 28th March, 2025.

(48) T. A. Devi, K. Kant, C. C. Malakar Electrochemical Cyclization-Desulfurization Approach for the Synthesis of 1,3-Benzoxazines using Cascade C-O, C-N Bonds Formation” 3rd National Conference on Emerging Challenges in the Frontiers of Chemical Sciences (NC-ECFCS-2025), 27th – 28th March, 2025.

(49) J. Laishram, K. Kant, C. C. Malakar Metal- and Hazardous Reagent-Free Transamidation Process: The NH2OH?HCl Promoted N-Formylation and N-Acylation Reaction under Solvent-Less Conditions” 3rd National Conference on Emerging Challenges in the Frontiers of Chemical Sciences (NC-ECFCS-2025), 27th – 28th March, 2025.



Academic Information


Education Background & Professional Career:
  • Associate Professor at the Department of  Chemistry, NIT Manipur (11/2022 - present)
  • Assistant Professor at the Department of  Chemistry, NIT Manipur (10/2015 - 11/2022)
  • Assistant Professor (on contract) at the Department of  Chemistry, NIT Jalandhar (07/2015 - 10/2015)
  • Postdoctoral fellow at the Department of Inorganic and Physical Chemistry, IISc Bangalore (04/2015-07/2015)
  • Senior Principal Scientist at the Department of Medicinal Chemistry, SignalChem LifeSciences Corporation Pvt. Ltd. (06/2014-02/2015)
  • Postdoctoral fellow at the Department of Organic Chemistry, University of Heidelberg, Germany (12/2012-05/2014)
  • Postdoctoral fellow at the Department of Organic Chemistry, University of Antwerp, Belgium (12/2011-11/2012)
  • Postdoctoral fellow at the Institute Chemistry, University of Hohenheim, Stuttgart, Germany (07/2011-11/2011)
  • Doctoral fellow at the Institute of Chemistry, University of Hohenheim, Stuttgart, Germany (05/2007-06/2011)
  • Research Associate at the Department of Organic Chemistry, Ludwig Maximilians University (LMU) Munich, Germany (07/2006-04/2007)
  • M.Sc Thesis at Indian Institute of Technology Kanpur (IIT K), India (2006)
  • M.Sc (Chemistry) at Indian Institute of Technology Kanpur (IIT K), India (2004-2006)
  • M.Sc (Chemistry) at Banaras Hindu University (BHU) (2003-2004)
  • B.Sc (Chemistry, Hons) at Vidyasagar University (Panskura Banamali College) (2000-2003)

 Teaching Information:

   Present:

  • M.Sc course: Organic Reaction Mechanism at NIT Manipur  (10/2015 - present)
  • M.Sc course: Application of Spectroscopy (Organic Section) at NIT Manipur (10/2015 - present)
  • M.Sc course: Principle in Organic Chemistry at NIT Manipur (10/2015 - present)
  • M.Sc course: Concepts in Organic Synthesis at NIT Manipur (10/2015 - present)
  • M.Sc course: Organic Chemistry Laboratory at NIT Manipur (01/2016 - present)
  • B.Tech course: Engineering Chemistry (Organic Section) 

   Past:

  • Laboratory courses for UG students at University of Hohenheim, Stuttgart, Germany (2007 -  

          2011)

  • B.Tech Chemistry courses (Organic Section) at NIT Jalandhar (07/2015 - 10/2015)
  • B.Tech: Environmental Science and Technology (EST) at NIT Jalandhar (07/2015 - 10/2015)
  • B.Tech Chemistry laboratory courses at NIT Jalandhar (07/2015 - 10/2015)
  • PhD course work: Principal of Instrumental Method of Analysis (PIMA) at NIT Jalandhar (07/2015 - 10/2015).

Mentorship Experiences:

  • Ph.D Supervision (Completed): 

(1) Dr. Nagaraju Vodnala (Enrolment No.: 16PCH002), Title of the Thesis: Development of Novel Catalytic Approaches towards Synthesis and Functionalization of Biologically Valued N- Heterocycles. Thesis Defense:  18/09/2020. 

 (2) Dr. Dhananjaya Kaldhi (Enrolment No.: 16PCH001), Title of the Thesis: Efficient Catalytic transformation towards Important N-Heterocycles and conjugated 1,3-Diynes and Enynes. Thesis Defense: 05/12/2021.

(3) Dr. Raghuram Gujjarappa (Enrolment No.: 16402003), Title of the Thesis: Development of Divergent Organic Transformations towards the Synthesis and Functionalization of Bioactive Molecules" Thesis Defense: 31/01/2022. 

(4) Dr. Arup Kumar Kabi (Enrolment number: 16402001): Title of the Thesis: "Synthesis and Functionalization of Biologically Active Novel N-heterocycles towards Greener Horizon". Thesis Defense: 02/09/2022.  

(5) Dr. Elangbam Pinky Devi (Enrolment number: 18402002): Title of the Thesis: "Development of Catalytic Systems for C-N Bond Forming Transformations and Oxidation of Alkynes” Thesis Defense: 18/05/2024.     

(6) Dr. Laimujam Sidartha Singh (Enrolment number: 19402003): Title of the Thesis: "Development of Catalytic Systems for C-N & N-N Bond Forming Transformations and Organocatalyzed-Aerobic Oxidation of Arylboronic Acids” Thesis Defense: 20/08/2024.

(7) Ms. Reetu (Enrolment No. 20402007): Title of the Thesis:Development of Strategies towards the Synthesis of Iodo-Derivatives: Impacts of the Hetero- and Carbocyclic Moieties”, Thesis Defense on 11th March, 2025.  

(8) Mr. Chandresh K. Patel (Enrolment No. 19402001): Title of the Thesis:Development of Cascade C-N Bond Generation Strategies: Application in the Synthesis of Nitrogen Containing Cyclic and Acyclic Molecules”, Thesis Defense on 04th March, 2025. 

(9) Mr. Yaqoob A. Teli (Enrolment No. 21402005): Title of the Thesis:Development of homogeneous and heterogeneous catalysts in C-C bond forming reactions”, Submitted on February 2025. 

(10) Mr. Abhisek Panwar (Enrolment No. 20402004): Title of the Thesis:Iron(III)-Chelators and Heterobimetallic Systems as the Novel Approach for Targeted Chemotherapy and Photocytotoxicity”, Submitted on 14.05.2025. 

  • Ph.D Supervision (On-going): 

          Currently 6 (six) scholars are pursuing Ph.D under my supervision.

  • PG Supervision (Completed) – Supervised 38 Master’s Thesis since 2015.
  • PG Supervision (On-going): Currently 2 (two) students are pursuing M.Sc project under my supervision.

Placement of M.Sc Students:

  • The M.Sc students are placed for Ph.D program in reputed national institutions like IISERs, IITs, and NITs and in several international institutions in USA, Germany, Poland, South Korea and Taiwan.

Placement of Ph.D Scholars:

  • The Ph.D scholars are placed for postdoctoral research in several reputed national and international institutions such as IIT Delhi; Technion-The Israel Institute of Technology, Israel; Southern Methodist University, Texas, USA; University of Twente, Netherlands; University of Warsaw, Poland; Harbin Institute of Technology; Shenzhen, China; Saint-Jérôme University Campus, France).
  • The Ph.D scholars are also placed in Pharma companies such as Aurobindo Pharma Ltd., Hyderabad and Aztec Technologies, Hyderabad.

National & International Collaborations:

  • National Institute of Pharmaceutical Education and Research (NIPER) Kolkata
  • Central University of Punjab, Bhatinda
  • Institute of Chemical Technology (ICT) Bhubaneswar
  • Indian Institute of Technology (IIT) Delhi
  • Indian Institute of Technology (IIT) Guwahati
  • Indian Institute of Technology (IIT) Bombay
  • Birla Institute of Technology & Science (BITS) Pilani
  • CHRIST University, Bangalore
  • Pandit Deendayal Petroleum University, Gandhinagar
  • National Institute of Technology (NIT) Jalandhar
  • National Institute of Technology (NIT) Jamshedpur
  • National Institute of Science Education and Research (NISER) Bhubaneswar
  • Technion - Israel Institute of Technology, Israel
  • RMIT University, Melbourne, Australia
  • The Hashemite University, Zarqa, Jordan
  • Korea Advanced Institute of Science & Technology (KAIST), South Korea
  • King Abdullah University of Science and Technology, KAUST Catalysis Center, Saudi Arabia
  • King Saud University, Saudi Arabia
  • University of Hohenheim, Stuttgart, Germany
  • The Pennsylvania State University, USA
  • Karlsruhe Institute of Technology, Germany
  • The University of Warsaw, Poland

Research Interest:

  • C-H activation: carbon-carbon and carbon-hetero atom bond forming reactions
  • Asymmetric catalysis, transition-metal catalysis and organocatalysis
  • Frustrated Lewis Pairs
  • Cooperative dual catalysis and “release and catch” catalysis
  • Synthesis and application of novel ligands in asymmetric catalysis
  • Drug discovery research and medicinal chemistry
  • Bioactive natural product synthesis and chemistry of heterocycles
  • The development of new sustainable and atom-economy chemical transformations, cascade reactions, domino reactions, and multi-component reactions

 

Project Information


Funds Received to Conduct R&D Activities:

 (1) Funding Agency:  Department of Science and Technology, Govt. of India - SERB                         Duration: 3 years (2016 - 2019), Fund:  Rs. 38,84,000 /-.                                                                               Project Title"Synthesis and Decoration of Drug-like Molecules using Transition Metal-Catalyzed C(sp²)–H/C(sp³)–H Bond Activation Approach" (Role: PI)

(2) Funding Agency: Department of Science and Technology, Govt. of India - SERB                           Duration: 3 years (2020 - 2023), Fund: Rs. 35,77,332 /-,                                                                          Project Title"Investigation on Metal-Free Approaches towards C-C and C-Heteroatom Bond Formation for the Synthesis of Carbocycles and Heterocycles" (Role: PI)

(3) Funding Agency: MoE-STARS, STARS-2, Govt. of India,                                                                  Duration: 3 years (2023 - 2026), Fund: Rs. 15,94,000 /-.                                                                         Project Title"Investigation of Novel Therapeutic Compounds for Inhibitors of the Protein Kinase Family to Treat Cancer: Synthesis and Evaluation of Biological Activity" (Role: PI)

(4) Funding Agency: SERB, Govt. of India, Duration: 3 years (2022 - 2025), Fund: Rs. 20,18,362 /-    Project Title: Computational studies on investigation of the potential role of metalbased compounds as the inhibitors of SARS-CoV-2 as well as other aggressive mutant strains of SARS-CoV-2. (Role: Co-PI)

(5) Funding Agency: (ICMR, Govt. of India), Duration: 3 years (2022 - 2025), Fund: Rs. 25,62,450 /-  Project Title: Novel Cobalt(III)-based bio reductive prodrug modelling for hypoxia selective chemotherapeutic steering of hypoxia-inducible factors (HIF) as an alternative source of treatment stratagem for breast cancer. (Role: Co-PI)

Funds Received to Conduct Academic Program:

(6) Awarded Fund (Rs. 3,00,000 /-), sponsored by AICTE-ATAL, Govt. of India to conduct the program on Leadership Excellence & Capacity Building (Role: PI)

(7) Awarded Fund (Rs. 5,44,000 /-), sponsored by GIAN (Global Initiative of Academic Network) – MHRD, Govt. of India.                                                                                                                                 Course Title: “Organic Synthesis towards Greener Horizons: Challenges and Scope” (2017).               Course coordinator: Dr. Chandi Charan Malakar                                                                                     Foreign Faculty: Prof. Dr. Uwe Beifuss, Institute of Chemistry, University of Hohenheim, Stuttgart, Germany.

(8) Awarded Fund (Rs. 5,44,000 /-), sponsored by GIAN (Global Initiative of Academic Network) – MHRD, Govt. of India (2019).                                                                                                                      Course Title: “Novel Platform on Organocatalysis – Since & Then”                                                       Course coordinator: Dr. Chandi Charan Malakar                                                                                    Foreign Faculty: Prof. Dr. Rene Wilhelm, Department of Chemistry, University of Paderborn, Germany.

(9)  Awarded Fund (Rs. 5,44,000 /-),sponsored by GIAN (Global Initiative of Academic Network) – MHRD, Govt. of India (2019)                                                                                                                       Course Title: “Diverse Application of Modern Stereoselective Synthesis - Where Now ?”                                 Course coordinator: Dr. Chandi Charan Malakar                                                                                    Foreign Faculty: Prof. Dr. Ilan Marek, Department of Chemistry, Technion – Israel Institute of Technology, Israel.

Project Information Other Activity Information


 Fellowships, Awards and Membership

(1) Received Silver Medal award from CRS, 8th June, 2025.

(2) Received Prof. D. K. Banerjee memorial lecture award from IISc Bangalore, 27th February, 2025.

(3) Awarded MoE-STARS research grant of Rs. 15.94 Lakhs from Ministry of Education, Govt. of India.

(4) Awarded CORE RESEARCH GRANT of Rs. 35.77 Lakhs (CRG/2020/004509) in 2020: Science and Engineering Research Board, Govt. of India.

(5) Awarded fund of Rs. 11 Lakhs from GLOBAL INITIATIVES OF ACADEMIC NETWORKS (GIAN) in 2019: Ministry of Human Resource Development, Govt. of India.

(6) Awarded EARLY CAREER RESEARCH Grant of Rs. 38.84 Lakhs (ECR/2016/000337) in 2016: Science and Engineering Research Board, Govt. of India.

(7) Awarded fund of Rs. 5.5 Lakhs from GLOBAL INITIATIVES OF ACADEMIC NETWORKS (GIAN) in 2016: Ministry of Human Resource Development, Govt. of India.

(8) Awarded PBC FELLOWSHIP in 2014: Council for Higher Education of Israel.

(9) Awarded PEGASUS MARIE CURIE POSTDOCTORAL FELLOWSHIP in 2012: Research Foundation - Flanders (FWO), Belgium.

(10) Awarded POSTDOCTORAL FELLOWSHIP in 2012 at University of Heidelberg, Germany.

(11) Awarded IWS BOF UA POSTDOCTORAL FELLOWSHIP in 2011: University of Antwerp, Belgium.

(12) Awarded MERIT-CUM-MEANS (MCM) SCHOLARSHIP in 2004: Indian Institute of Technology (IIT), Kanpur.

(13) Secured all India rank 8 in IIT JAM 2004.

(14) Member of the Indian Council of Chemists (ICC)

(15) Member of American Chemical Society (ACS), USA                                                                       

(16) Royal Society of Chemistry (RSC), England

(17) Life membership of Chemical Research Society of India (CRSI)

(18) Life member of CRS

Guest Editor:

European Journal of Organic Chemistry (WILEY-VCH, Europe)

Reviewer of Journals:

The Journal of Organic Chemistry (American Chemical Society, USA), Organic Letters (American Chemical Society, USA), ACS Omega (American Chemical Society, USA), RSC Advance (Royal Society of Chemistry, England), Organic and Biomolecular Chemistry (Royal Society of Chemistry, England), New Journal of Chemistry (Royal Society of Chemistry, England), Chemical Communications (Royal Society of Chemistry, England), ChemistrySelect (WILEY-Europe), Asian Journal of Organic Chemistry (WILEY-Europe), European Journal of Organic Chemistry (WILEY-Europe), ChemCatChem (WILEY-Europe), Advanced Synthesis & Catalysis (WILEY-Europe), Chemistry - An Asian Journal (WILEY-Europe), Tetrahedron (Elsevier), Tetrahedron Letters (Elsevier), Synlett (Thieme, Stuttgart), Synthesis (Thieme, Stuttgart).

Apart from these premier journals, I have been actively involved as a reviewer for SpringerNature and Taylor & Francies Journals.

Best Poster Award by the Research Group in Conferences:

(1) N. Vodnala, D. Kaldhi, R. K. Linthoinganbi, S. C. Pinky Promily, C. C. Malakar A Two-fold Un-activated C(sp2)-H Activation Approach towards Synthesis of Indole Derivatives”   International Conference on Nature Inspired Initiatives in Chemical Trends (NIICT), Organic Synthesis 2016, at Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad, 19 – 20 September, 2016. (Selected for Best Poster Award).

(2) R. Gupta, C. C. Malakar, G. Helmchen “First Immobilized Catalyst for Iridium-Catalyzed Allylic Amination – Rate Enhancement by Immobilization”  5th Annual international Conference on Chemistry, Chemical Engineering and Chemical Process (CCECP 2017), Singapore, ISSN: 2301-3761, DOI: 10.5176/2301-3761_CCECP17.26 (Selected for Best Research Paper Award).

(3) R. Gujjarappa, N. Vodnala, D. Kaldhi, A. K. Kabi, S. K. Maity, R. Gupta, C. C. Malakar A novel two-fold un-activated C(sp2)-H bond activation for the synthesis of isoquinolines by using amino acids as starting materials” National Symposium on Advances in Chemical Sciences at Assam University, Silchar on 11-12 January, 2017  (Selected for Best Poster Award).

(4) R. Gujjarappa, C. C. Malakar “An Easy Access towards 2,4 and 2,6-Functionalized Pyridines using Metal-Catalyzed Decarboxylation/Dual C(sp3)-H Activation Strategy” National Symposium on Contemporary Facets in Organic Synthesis (CFOS 2017), during 22-24 December, 2017, IIT Roorkee. (Selected for Best Poster Award).

(5) A. K. Kabi, R. Gujjarappa, N. Vodnala, D. Kaldhi and C. C. Malakar Gold-Catalyzed Facile Protocol Towards the Efficient Access if Azetidinyl Esters, β-Amino Esters and δ-Amino Esters Using Simple Substrates” Emerging Trends in Chemical Sciences (ETCS-2018) at Department of Chemistry, Indian Institute of Technology Indore, Indore, Madhya Pradesh, India on 12th – 15th July, 2019

 (Selected for Received Best Poster Award).

(6) G. Salam, C. K. Patel, K. Kant, C. C. Malakar Reductive N-formylation of Various Nitroarenes with Novel Pd@rGO-CuFe2O4 Magnetic Nanoparticles as the Catalyst in Water” 3rd National Conference on Emerging Challenges in the Frontiers of Chemical Sciences (NC-ECFCS-2025), 27th – 28th March, 2025. (Selected for Best Poster Award).

Highlighted Research work in Reputed Chemical Catalogue: 

(1) C. C. Malakar, A. Baskakova, J. Conrad and U. Beifuss, “Copper-Catalyzed Synthesis of Quinazolines in Water starting from o-Bromobenzylbromides and Benzamidines” Chem. Eur. J., 201218, 8882-8885. Highlighted in Sigma-Aldrich Catalog 2013, http://www.sigmaaldrich.com/catalog/papers/22730204.

(2) N. Aljaar, C. C. Malakar, J. Conrad, W. Frey and U. Beifuss, “The Reaction of 1-Nitroso-2-naphthols with alfa-Functionalized Ketones and Related Compounds-The Unexpected Formation of Decarbonylated 2-Substituted Naphtho[1,2-d][1,3]oxazoles” J. Org. Chem. 201378, 154-166. Highlighted in Sigma-Aldrich Catalog 2013, http://www.sigmaaldrich.com/catalog/papers/23181942.

(3) C. C. Malakar and G. Helmchen, “Immobilized Catalyst for Iridium-Catalyzed Allylic Amination – Rate Enhancement by Immobilization” Chem. Eur. J.201521, 7127-7134. Highlighted in Sigma-Aldrich Catalogue 2015, http://www.sigmaaldrich.com/catalog/papers/25787122.

Highlighted Research Papers in Scientific Magazines/Reports/Forum: 

(1) R. Gujjarappa, N. Vodnala, M. Kumar and C. C. Malakar Pd-Catalyzed Decarboxylation and Dual C(sp3)−H Functionalization Protocols for the Synthesis of 2,4-DiarylpyridinesJ. Org. Chem.2019, 84, 5005-5020. (Highlighted in Organic Chemistry Portal 2019, http://www.organic-chemistry.org/Highlights/2019/21October.shtm).

(2) V. P. R. K. Putta, N. Vodnala, R. Gujjarappa, U. Tyagi, A. Garg, S. Gupta, P. P. Pujar and C. C. Malakar Reagent-Controlled Divergent Synthesis of 2-Amino-1,3-Benzoxazines and 2-Amino-1,3-BenzothiazinesJ. Org. Chem.2020, 85, 380-396. (Highlighted in Organic Chemistry Portal 2020, https://www.organic-chemistry.org/abstracts/lit7/128.shtm).

 (3) R. Gujjarappa, N. Vodnala, V. G. Reddy and C. C. Malakar Niacin as a Potent Organocatalyst towards the Synthesis of Quinazolines using Nitriles as C-N SourceEur. J. Org Chem.2020, 803-814. (Highlighted in ChemistryViews 2020, https://www.chemistryviews.org/details/ezine/11218877/Organocatalyzed_Synthesis_of_Quinazolines.html).

(4) R. Gujjarappa, C. C. Malakar Pd-Catalyzed Decarboxylation and Dual C(sp3)−H Functionalization Protocols for the Synthesis of 2,4-Diarylpyridines” Organic Chemistry 2020, 7th International Conference on Organic and Inorganic Chemistry; Webinar -June18-19,2020Highlighted in https://www.imedpub.com/articles/pdcatalyzed-decarboxylation-and-dual-csp3h-functionalization-protocols-for-the-synthesis-of-24diarylpyridines.pdf

 (5) C. C. Malakar and G. Helmchen “Immobilized Catalyst for Iridium-Catalyzed Allylic Amination – Rate Enhancement by ImmobilizationHighlighted in Synfacts 2015, 11, 0771-0771

(6) C. C. Malakar, E. Merisor, J. Conrad and U. Beifuss “Reductive Cyclization of w-Nitro Alkenes” Highlighted in Synfacts 2010, (10), 1123-1123.      

Conference/Workshop Attended/Organized:

Attended:

(1) BOSS XIII, 15-20 July, 2012, Leuven, Belgium. 

(2) Trends in der Molekularen Katalyse, 24-25 May 2013, Heidelberg, Germany. 

(3) Heidelberg Forum of Molecular Catalysis, 28 June 2013, Heid elberg, Germany. 

(4) International Conference on “Emerging Trends in Science and Engineering Research”, December 2-4, 2015 at NIT Manipur. 

(5)  “Optimize Your Lab Productivity”, conducted by Agilent Technologies India Pvt Ltd, March16, 2016 at Imphal.

(6) International Conference on Nature Inspired Initiatives in Chemical Trends (NIICT), Organic Synthesis 2016, at Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad, 19 – 20 September, 2016.

 (7) RAFAS 2016, at Lovely Professional University, Jalandhar, 25 – 26 November, 2016. 

(8)  35th Annual Conference of the Indian Council of Chemists at Department of Chemistry, H. V. Desai      College, Pune on 22 – 24 December, 2016. 

(9) “Strategic Management Issues in Technical Education System”, held at NITTTR, Kolkata, during 01/05/2017 to 05/05/2017.

(10) “Awareness Workshop on IPR for Start-ups in Electronics and ICT Sector” held at ESCI Hyderabad on 8th September, 2017. 

(11) National Symposium on Contemporary Facets in Organic Synthesis (CFOS 2017), during 22-24 December, 2017, IIT Roorkee. 

(12) Faculty Development Program (FDP) under TEQIP-III, during 21-25May, 2018, IIT Hyderabad. 

(13) Start-up Summit / Start-up meeting at IIT Guwahati during 29-30 June, 2018. 

(14) Start-up meetings at IIT Gandhinagar & EDII Gandhinagar during 6th July, 2018. 

(15) Twining Arrangements of Mentor & Mentee Institutes under TEQIP-III at GUIST during 01st – 02nd Sept. 2018. 

(16) Interaction with SPIU & NPIU empanelled service providers under TEQIP-III at IIIT Guwahati during 25th Sept. 2018. 

(17) PMSS training under TEQIP-III during 12th -13th March, 2019 at Jadavpur University. 

(18) FDP at NIT Manipur during 15-17 March 2018. 

(19) Professional Development Training at IIM Raipur during 26th – 30th March, 2019. 

(20) International Conference on Chemistry for Human Development (ICCHD-2020) during 9th – 11th January, 2020. 

(21) International Conference on Emerging Trends in Catalysis & Synthesis (IC-ETCS-2020) during 11th – 12th March, 2020. 

(22) National Conference cum Industry meet on Foundry 4.0 - Opportunities and Challenges, CSIR-CMERI Durgapur, 24th - 25th February 2022.

 (23) Springer Nature Knowledge Fair 2024 in Hyderabad, 25th – 26th September 2024.

 (24) Elsevier Higher Education & Research Excellence Forum from 18th - 20th November, 2024.

 (25) 17th RSC conference, BITS-PILANI, Rajasthan, 1st Feb 2024.

 (26)       Emerging Trends in Catalysis & Synthesis (ETCS 2024), IIT Kharagpur, 7th – 9th March 2024.

 Organized:

 (27)       Co-ordinator for “An Innovative Workshop on Essence of Scientific Software”, February 20-21, 2016 at NIT Manipur.

(28)       Organized“Effective Hands-on Training Workshop on Scientific Software”, April 4-8, 2016 at NIT Manipur.

 (29)       Organized an “Awareness Program on NPTEL Online Courses” on 15 February 2017 at NIT Manipur.

 (30)       Organized (as course coordinator) short term course under GIAN, entitled “Organic Synthesis and Catalysis towards Greener Horizons: Challenges and Scope”, 27 February – 3 March, 2017 at NIT Manipur.

(31)       Organized “Awareness on Quality Improvement Programme” on 6 October 2017 at NIT Manipur.

(32)       Organized workshop on “Strategies for IPR and Plagiarism Risks” during 2-6 April, 2018 at NIT Manipur sponsored by TEQIP.

 (33)       Workshop on “Startup Weekend Imphal” during November 16 - 18, 2018.

 (34)       Expert Lectures on Industry-Academia collaboration during 1st – 2nd December, 2018.

 (35)       Organized Tech Meet (Industry-Institute Interaction) at NIT Manipur during 1st – 3rd April, 2019.

 (36)       Five Days Workshop on “Recent trends in Biological Inorganic Chemistry" organized by Department of Chemistry during 22-26 April 2019.

 (37)       Five Days Webinar on “Recent Development and challenges in organic and inorganic chemistry” organized by Department of Chemistry during 6th - 10th February, 2020.

 (38)       Five Days Webinar on “Advancement of Chemical Sciences in Sustainable Drug Development” Organized by Department of Chemistry during 12th – 16th October, 2020.

 (39)       Five Days Webinar on “Recent Trends in Chemical Sciences” Organized by Department of Chemistry during 12th – 16th October, 2020.

 (40)       Five Days Webinar on “Recent Advances in Medicinal Chemistry” Organized by Department of Chemistry during 17th – 21st October, 2020.

 (41)       Five Days Webinar on “Future of Smart Materials” Organized by Department of Chemistry during 17th – 21st October, 2020.

 (42)       Five Days Webinar on “Sustainable Synthesis & Materials Chemistry” Organized by Department of Chemistry during 27th – 31st October, 2020.

 (43)       Five Days Webinar on “Diversity in Catalytic Approaches” Organized by Department of Chemistry during 27th – 31st October, 2020.

 (44)       Five Days Webinar on “Progress in Physical Chemistry: Since & Then” Organized by Department of Chemistry during 1st – 5th November, 2020.

 (45)       Five Days Webinar on “Catalysis in Synthesis” Organized by the Department of Chemistry during 1st – 5th November, 2020.

 (46)       Five Days Webinar on “Concepts in Organic & Medicinal Chemistry” Organized by Department of Chemistry during 6th – 10th November, 2020.

(47)       Five Days Webinar on “Advances in Macrocyclic and Supramolecular Chemistry” Organized by Department of Chemistry during 6th – 10th November, 2020.

(48)       Five Days Webinar on “Green and Sustainable Chemistry” Organized by the Department of Chemistry during 21-25 November, 2020.

 (49)       Five Days Webinar on “Challenges and Scope in Bio-Inspired Catalysis and Materials” Organized by the Department of Chemistry during 21-25 November, 2020.

 (50)       Five Days Webinar on “The Chemistry in Fume Hood to Computers” Organized by the Department of Chemistry during 26-30 November, 2020.

 (51)       Five Days Webinar on “Recent Trends in Organic Chemistry” Organized by the Department of Chemistry during 26-30 November, 2020.

 (52)       Five Days Webinar on “The Chemistry with Metal and Without Metals” Organized by the Department of Chemistry during 26-30 November, 2020.

 (53)       Five Days Webinar on “Recent Trends in Experimental & Theoretical Chemistry (Lecture Series 1)” Organized by the Department of Chemistry during 5-10 December, 2020.

 (54)       Five Days Webinar on “Recent Trends in Experimental & Theoretical Chemistry (Lecture Series 2)” Organized by the Department of Chemistry during 5-10 December, 2020.

 (55)       Five Days Webinar on “Recent Trends in Experimental & Theoretical Chemistry (Lecture Series 3)” Organized by the Department of Chemistry during 5-10 December, 2020.

 (56)       Five Days Webinar on “Five Days Faculty Development Program on Research Methodology under AICTE” Organized by the Department of Chemistry during 27 - 31 January, 2021.

 (57)       Five Days "Short-Term Training Program under National Education Policy” during 25th Feb. - 1st Mar, 2021.

 (58)       “Five Days Faculty Development Program on Application of Smart Materials under AICTE” during 5th – 9th March, 2022.

Invited lectures:

 (1) “Novel synthetic strategies based on transition metal-catalysis” University of Heidelberg (in research group of prof. Dr. Günter Helmchen), Heidelberg, Germany, 5th July 2012.

(2) “Transition metal-catalyzed/mediated C-C and C-X bond forming reactions” University of Muenster (in research group of prof. Dr. Frank Glorius), Muenster, Germany, 23 January 2013.

 (3) “New Transition metal-catalyzed C-C & C-X bond forming reactions and its application in the synthesis of Carbocycles and heterocycles” Department of Applied Chemistry, Indian School of Mines, Dhanbad on 19th December,2014.

 (4) “Seeking towards Novel Platform in Sustainable Chemical Synthesis” on the Occasion of Golden Jubilee Lecture Series at Panskura Banamali College, West Bengal, on 12 March 2017.

 (5) “Novel Methods towards Synthesis of Biologically Active Small Molecules” Department of Chemistry, NIT Meghalaya, 19 May 2017.

(6) “Exploring the Novel Synthetic Platform towards Valuable Targets” Department of Chemistry, NIT Meghalaya, during 12-13 October 2017.

 (7) Springer Nature eBook Conclave 27th – 28th Sept. 2018 in Jaipur.

 (8) International Conference on Chemistry for Human Development (ICCHD-2020) during 9th – 11th January, 2020.

(9) International Conference on Emerging Trends in Catalysis & Synthesis (IC-ETCS-2020) during 11th – 12th March, 2020 at the Department of Chemistry, IIT Kharagpur.

(10) “Catalytic Approaches towards C-C & C-Heteroatom Bond Forming Reactions”                                Advancements in the Molecular World: Materials and Catalysis (AMWMC-2021), NIT Surathkal, 15th - 19th of February 2021.

(11) Organic Synthesis towards Greener Horizons: Challenges & Scope, Contai College, West Bengal, 20th August, 2021.

 (12) Seeking Opportunities in Growing Research Career: Scope & Hurdles, Kandi Raj College, Murshidabad, 8th October, 2021.

 (13) Laboratory Technique for Characterization of Compounds & Application in Material Natural Product Chemistry, Five Days Short-Term Training Program under National Education Policy (NEP-2020), 25th Feb – 1st Mar, 2021.

 (14) Application of Nanomaterials for Water Purifications, AICTE ATAL Faculty Development Programme (Dept. of Civil Engg., NIT Manipur), 19th January, 2022.

(15) Application of Release & Catch Catalytic System, AICTE ATAL Faculty Development Programme (Dept. of Physics, NIT Manipur), 19th January, 2022.

(16) Application of Release & Catch Catalytic System, AICTE ATAL Faculty Development Programme (Dept. of Physics, NIT Manipur), 10th February, 2022.

(17) Approaches in Release & Catch Catalysis, National Education Policy-2020, Faculty Development Programme (NIT Manipur), 19th December, 2022.

(18) Instrumentation of NMR Spectrometer, Manipur University, 01st August, 2022.

 (19) Some Amazing Facts in Chemical Sciences, Vigyanjyoti programme under DST Govt. of India, JNV, Imphal West, 29th August, 2022.

 (20) Brief Overview of NIT Manipur: The Rationale Behind Signing of MoU, GCECT Kolkata, 6th March, 2023.

 (21) Copper-Catalyzed C(sp3)-H Functionalization and Annulation of 2-Bromoaryl Oximes with Active Methylene Compounds towards Synthesis of Isoquinoline N-Oxides" at the Global Chemistry Congress (GCC-24) on 9th – 10th January 2024 in Bangkok, Thailand.

 (22) Dual C(Ar)-Alkylation Process via C-H Functionalization: The Regioselective Synthesis of Triarylmethanes (TRAMs) or Diarylmethanes, Recent Advances in Chemical Sciences (RACS - 2024), IIEST Shibpur.

 (23) The Regioselective Synthesis of Triarylmethanes (TRAMs) or Diarylmethanes, Recent Advancements in Organic Chemistry, Trivandrum, 27th – 30th September, 2024. 

(24)  Electrochemical Cyclization-Desulfurization Approaches: Synthesis of 1,3-Benzoxazines using Cascade C-O, C-N Bonds Formation, Advances in Organic Chemistry, Goa, January 27–29, 2025.

 (25) Skeletal Modification through C-C & C-H Bond Cleavage: Application in Synthesis of Small Molecules, Prof. D. K Banerjee award lecture, Symposium Day, IISc Bangalore, 27th February, 2025.

(26)       Application of C-C and C-H Bond Cleavage, 3rd National Conference on Emerging Challenges in the Frontiers of Chemical Sciences (NC-ECFCS-2025), Manipur University, 27th – 28th March, 2025.

Administrative positions @ NIT Manipur

  • Dean of Research and Consultancy (2022-2024)
  • TEQIP-III (World Bank & MoE, Govt. of India Schemes) Coordinator (2018 - 2022)
  • Head of the Department (2020 - 2022)
  • Associate Dean Research and Consultancy (2017 - 2020)
  • Purchase Committee Chairman (2018 - 2020)
  • Committee Member of Innovation Centre, NIT Manipur (2017 - 2019)
  • Committee Member of Start-up Cell, NIT Manipur (2018 - 2020)
  • Warden (2017 - 2018)
  • Chief Warden (September 2018 - 2019)
  • Institute Coordinator of NPTEL/Swayam Courses (2017 - present)
  • Coordinator of IPR Cell, NIT Manipur (2018 - 2019)