- https://www.researchgate.net/profile/Chandi_Malakar
- Total Impact factor: > 120 (till June 2018)
- https://scholar.google.co.in/citations?hl=en&user=fJa2tC4AAAAJ
Citations: 529
h-index: 10
i10-index: 10
For more details see the personal website: http://chdeepm.wixsite.com/mysite
- Selected Publications in International Journals - 46 (Fourty Six)
2008
(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 chlorides” Synlett 2008, 903-907
2009
(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
2010
(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 Heterocycles” Synlett 2010, 1766-1770
(4) 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 Heterocycles” Synfacts 2010, 1123
2011
(5) 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
(6) C. C. Malakar, D. Schmidt, J. Conrad and U. Beifuss
“Cu(I)-Catalyzed Domino Reactions: Efficient and Selective Synthesis of 4H-Chromenes and Naphthalenes” Organic Letters 2011, 13, 1972-1975
2012
(7) 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 substrates” Org. Biomol. Chem., 2012, 10, 3899-3905 (Top ten most accessed article in April 2012)
(8) 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., 2012, 18, 8882-8885 (Highlighted in Sigma-Aldrich catalog 2013)
(9) 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)-ones” J. Org. Chem. 2012, 77, 7793-7803
(10) 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 CuCl” J. Org. Chem. 2012, 77, 10194-10210
(11) 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 Formation” Adv. Synth. Catal.2012, 354, 3461-3467
2013
(12) 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 Donor” Chem. Eur. J., 2013, 19, 14263–14270
(13) 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. 2013, 78, 154-166 (Highlighted in Sigma-Aldrich catalog 2013)
(14) R. K. Devappa, C. C. Malakar, H. P. S. Makkar and K. Becker
“Pharmaceutical Potential of Phorbol esters from Jatropha Curcas Oil” Nat. Prod. Res., 2013, 27, 1459-1462
(15) 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 Cyanoacetates” Adv. Synth. Catal. 2013, 355, 2400-2416
(16) 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-indazoles” Synlett, 2013, 24, 1573-1577
2014
(17) 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 Furans” Organic Letters 2014,16, 4862-4865
2015
(18) C. C. Malakar and G. Helmchen
“Immobilized Catalyst for Iridium-Catalyzed Allylic Amination – Rate Enhancement by Immobilization” Chem. 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)
(19) 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-Trichloroaldimines” RSC Advances 2015, 5, 10139-10151
(20) C. C. Malakar, G. Helmchen
“Silica-Supported Iridium Complex Catalyst for Asymmetric Allylic Amination”
Synfacts 2015, 11, 0771-0771
(21) 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
2016
(22) K. Seehafer, C. C. Malakar, J. Qu and G. Helmchen
“Iridium-Catalyzed Allylic Substitutions with Bulky Amines – an Entry into the Reetz Synthesis of Aminoalcohols” Eur. J. Org. Chem. 2016, 2016, 493-501
(23) 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-propanol”Adv. Synth. Catal. 2016, 358, 41-49
Publications from NIT Manipur (2016 – present)
(24) 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 Letters, 2016, 57, 5695 – 5699 (Impact factor – 2.347)
(25) 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
(26) N. Devi, D. Singh, R. K. Sunkaria, C. C. Malakar, Saloni 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
(27) 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 hybrid” Org. Biomol. Chem. 2016, 14, 8154 –8166 (impact factor- 3.56)
(28) 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 Advances, 2016, 6, 88066 – 88076 (impact factor- 3.29)
(29) 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 Journal of Chemistry 2017, 41, 1082 - 1093 (impact factor - 3.28)
(30) D. Singh, V. Kumar, N. Devi, C. C. Malakar, R. Shankar, V. Singh
“Meta-free decarboxylative amination: An alternative approach towards regioselective synthesis of beta-carboline-N-fused imidazoles”
Adv. Synth. Catal. 2017, 359, 1213 - 1226 (impact factor- 6.45)
(31) 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, DOI10.1166/eef.2017.1244
(32) 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. (impact factor- 3.45)
(33) 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.
(34) 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 Letters 2018, 59, 904 - 908.
(35) D. Kaldhi, 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, accepted for publication (in press).
(36) R. Gujjarappa, N. Vodnala, D. Kaldhi, A. K. Kabi, M. Kumar, U. Beifuss and C. C. Malakar,
“Efficient Syntheses of Diverse N-Heterocycles: The Mo(VI)-Catalyzed Reductive Cyclization of Nitroarenes using Pinacol as Deoxygenating Agent”
SynOpen 2018, accepted for publication (In press).
(37) D. Singh, C.K. Hazra, C. C. Malakar, S. K. Pandey, B. S. Kaith, 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.
(38) R. Gujjarappa, S. K. Maity, C. K. Hazra, N. Vodnala, U. Beifuss, C. C. Malakar “Divergent Synthesis of Quinazolines using Organocatalytic Domino Strategies under Aerobic Conditions”
Eur. J. Org. Chem. 2018 (Accepted)
(39) R. Gujjarappa, S. K. Maity, N. Vodnala, C. K. Hazra, C. C. Malakar
“Organocatalyzed Domino Reaction for the Synthesis of Quinazolines using 2-aminobenzyl amines and Nitriles as Substrate”
Synlett 2018 (under review)
(40) N. Vodnala, R. Gujjarappa, C. K. Hazra, C. C. Malakar “Efficient Synthesis of Benzothiazoles and Benzoxazoles using Organocatalytic Domino Reaction”
Synlett 2018 (under review)
(41) R. Gujjarappa, C.K. Hazra, C. C. Malakar
“Facile Organocatalytic Conversion of Arylboronic acids to Phenolic Compounds” J. Org. Chem. 2018 (under review)
(42) R. Gujjarappa, C. K. Hazra, C. C. Malakar
“Pd-Catalyzed Synthesis of Diverse Pyridine Derivatives using Acetophenones and Aminoacids as Easy- Available Substrates”
Org. Lett. 2018 (under review)
(43) N. Vodnala, R. Gujjarappa, C.K. Hazra, D. Kaldhi, A. K. Kabi, U. Beifuss, C. C. Malakar
“First Cu-Catalytic Platform in Site Selective C-C Bond Cleavage of Simple Ketones: A Diligent Entry to Anilides and Paracetamol” Adv. Synth.Catal. 2018 (under revision)
(44) D. Kaldhi, N. Vodnala, R. Gujjarappa, A. K. Kabi, U. Beifuss, C. C. Malakar
“Benign Access of Diverse Conjugated 1,3-Diynes using Metal-free Coupling of 1,1-Dibromo-1-alkene”
J. Org. Chem. 2018 (under review)
(45) D. Kaldhi, N. Vodnala, R. Gujjarappa, A. K. Kabi, U. Beifuss, C. C. Malakar
“Metal-free Coupling of Terminal Alkynes: An Efficient Route towards Synthesis of 1,3-Diynes”
Org. Lett. 2018 (under preparation)
(46) N. Vodnala, R. Gujjarappa, C. C. Malakar
“Metal-free Approach towards Synthesis of Anilides using C-C Bond Cleavage of Simple Ketones”
J. Org. Chem. 2018 (under preparation)
- Conference Publications - 24 (Twenty Four)
In International conferences:
(1) E. Merisor, C. C. Malakar and 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” 17 th Sigma Aldrich meeting, 5-6 December 2013, Blankenberg, Belgium
(4) 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
(Best Research Paper Award)
In national conferences:
(5) 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, Dhanbad on 15th – 17th December, 2014
(6) 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
(7) 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
(8) 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
(9) 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
(This research received Best Poster award)
(10) 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
(11) 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
(12) 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
(13) 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
(14) S. K. Maity, R. Gujjarappa, N. Vodnala, D. Kaldhi, A. K. Kabi, S. C. Pinky Promily, 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
(15) 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
(16) 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
(17) 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
(18) 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
(19) 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)
(20) 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
(21) 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
(22) 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.
(23) 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.
(24) D. Kaldhi, C. C. Malakar
“A Surrogate Protocol for the Synthesis and Functionalization of Oxazoles using Inexpensive and Easy Access Approach”
International Conference on Emerging Trends in Chemical Sciences, during 26-28 February, 2018, Department of Chemistry, Dibrugarh University.