Publications- 2026
68) Poulami Majumder*‡, Malekul Islam‡, Himadri Sekhar Sasmal‡, Shibani Mohata, Ananda Basak, Pradyut Roy, Tanumoy Mandal, Poulami Paul, Pramod P. Pillai, Biswarup Pathak*, and Suman De Sarkar*, and Rahul Banerjee* "Visible-Light-Driven C–S Coupling Reaction Using Covalent Organic Framework Films", Chem. Mater. 2026, Link
67) Aritri Saha, Atreyee Halder, Sourav Pal, Harsha Mehta, Tuneer Majumder, and Suman De Sarkar*, "Electro-Redox-Mediated Formal (3+2) Cycloaddition: Sustainable Synthesis of Tetrazoloquinoxalinones", Adv. Synth. Catal., 2026, DOI: doi.org/10.1002/adsc.70382 [Link]
66) Jhilik Dutta‡, Sayan Ghosh‡, Suman De Sarkar*, "Regioselective Electrosynthesis of Substituted (deuterated) Pyridines Through Enamine-Iminium Cross-Coupling", Angew. Chem. Int. Ed. 2026, e21953 , [Link]
Publications- 2025
64) Malekul Islam, Arnab Sadhukhan, Braja Kishor Paul, Amisha Singh, Agnibha Das, Aritri Saha, Rahul Banerjee*, and Suman De Sarkar*, "Photocatalytic Strain-Release Transformation of Bicyclo[1.1.0]butanes (BCB) Using Strategically Tuned Covalent Organic Frameworks"; J. Am. Chem. Soc., 2025, Link
63) Pintu Kumbhakar, Mrinmay Baidya, Sourav Pal, and Suman De Sarkar*, "Sustainable Electrochemical Formylation of Enamine through Decarboxylation of Glyoxylic Acid"; ACS Sustain. Chem. Eng., 2025, Link
62) Samrat Mallick and Suman De Sarkar*, "Alternating polarity photo-electrocatalysis for asymmetric C−C cross-couplings"; Nat. Synth, 2025, Link
60) Samrat Mallick, Pooja Bhardwaj, Dipankar Das, and Suman De Sarkar*, "Electrochemical Formal (3+2) Cycloaddition/Imidation Cascade: Easy Access to Triazabicyclo-[3.3.0] Scaffolds"; Org. Lett. 2025, 27, 11117-11124. link
59) Samrat Mallick, Dipankar Das, and Suman De Sarkar*, "Stereoselective Electrosynthesis of Imidazolines through Coupling and Ring Restructuring of Alkoxyoxazoles with α-Amino Carbonyls"; Org. Lett. 2025, 27, 11111-11116. [link]
58) Tanumoy Mandal, Sanat Kumar Mahapatra, Malekul Islam, Lisa Roy* and Suman De Sarkar*, "Silicon-Assisted Photocatalyzed C–O Bond Cleavage: Broader Applications and Mechanistic Investigations"; Org. Lett. 2025, 27, 9148. [Link] The preprint is available ChemRxiv. 2024 [Link]
57) Jhilik Dutta,‡ Sayan Ghosh,‡ Aaliya Hassan, and Suman De Sarkar*, "Concomitant (3 + 3) Annulation /Fragmentation of Triazinanes with Enamines: Electrosynthesis of Multisubstituted Dihydropyrimidines"; Org. Lett. 2025, 27, 2682. [Link]
56) Debabrata Maiti, Atreyee Halder, Aritri Saha, and Suman De Sarkar*, "Regioselective Access to Substituted Benzothiophenes/furans through Electrochemical Selenium-Promoted Skeletal Rearrangement"; Org. Lett. 2025. [Link]
55) Tanumoy Mandal, Malekul Islam, Sanju Das, Aznur Azim, and Suman De Sarkar*, "Organophotoredox-Catalyzed Chemoselective Deprotection for Phenolic Ethers Driven by the Oxophilicity of Silicon"; Org. Lett. 2025. [Link] The preprint is available ChemRxiv. 2024 [Link]
Publications- 2024
54) Tanumoy Mandal, Braja Kishor Paul, Malekul Islam, and Suman De Sarkar*, "Demonstrating Synergistic Activity of Magnetic Iron Oxide Nano Photocatalyst for C–H Activation in Heterogeneous Phase"; Chem. Eur. J. 2024, e202403284. [Link]
53) Suman Kumar Saha#, Samrat Mallick#, Aritra Nath, Suman De Sarkar*, "Electrosynthesis of Highly Functionalized Quinolines through Radical Annulation-Polar Addition Cascade" Org. Lett. 2024, 26, DOI: 10.1021/acs.orglett.4c02470. [Link]
52) T. Mandal#, S. Mallick#, M. Islam, Suman De Sarkar* "Alcohols as Alkyl Synthons Enabled by Photoredox-catalyzed Deoxygenative Activation" ACS Catal. 2024, 14, DOI: 10.1021/acscatal.4c03560 [Link]
51) Sayan Ghosh#, Samrat Mallick#, Devika Karolly, Suman De Sarkar*, "Easy Access to Fused Tricyclic Quinoline Derivatives through Metal-Free Electrocatalytic [4 + 2] Annulation" ACS Org. Inorg. Au. 2024, 4, DOI: 10.1021/acsorginorgau.4c00037. (Invited special issue on Electrochemical Explorations in Organic & Inorganic Chemistry) [Link]
50) Aznur Azim, Vidhul Vasudevan, Tanumoy Mandal, Suman De Sarkar*, "Photoredox Catalyzed Synthesis of N-Aryl γ-Lactams via Radical Addition-Cyclization Cascade" Synthesis 2024, 56, DOI: 10.1055/a-2378-8663. (Invited special issue in Honor of Prof. H. Ila's 80th Birthday)[Link]
49) Laxmikanta Sing#, Jhilik Dutta#, Sayan Ghosh and Suman De Sarkar*, "Electrosynthesis of Cyclic Isoureas and Ureas through Contiguous Heterofunctionalizations"; J. Org. Chem., 2024. [Link]
48) Mrinmay Baidya, Suman De Sarkar*, "Electrosynthesis of 1,2,3-Benzotriazines through an Iodide-Catalyzed Skeletal Editing of 3-Aminoindazoles"; Chem. Eur. J., 2024. [Link]
47) Aznur Azim, Tanumoy Mandal, Vidhul Vasudevan, Shefali Patra, Suman De Sarkar*, "Visible-light Induced C-3 Carbamoylation of Quinoxalinones Assisted by EDA Complex"; Adv. Synth.Catal., 2024. [Link]
46) Kingshuk Mahanty#, Sayan Ghosh#, Abhishek Dubey, Suman De Sarkar*, "Electrosynthesis of Tetrasubstituted Sulfonated Pyrazoles through Iodide-Mediated Multicomponent Coupling"; Adv. Synth.Catal., 2024. [Link]
45) Tanumoy Mandal, Ashwin Chaturvedi, Aznur Azim, Rohan Maji, and Suman De Sarkar*, "Earth-Abundant Recyclable Magnetic Iron Oxide Nanoparticles for Green-light Mediated C–H Arylation in Heterogeneous Phase"; Chem. Eur. J. 2024, e202401617. [Link]
44) Mrinmay Baidya, Pintu kumbhakar, and Suman De Sarkar*, "Metal-Free Electrocatalytic Synthesis of Fused Azabicycles from N-Allyl Enamine Carboxylates"; Org. Lett. 2024, DOI: 10.1021/acs.orglett.4c00756. [Link]
43) Samrat Mallick, Tanumoy Mandal, Nidhi Kumari, Lisa Roy*, and Suman De Sarkar*, "Divergent Electrochemical Synthesis of Indoles through pKa Regulation of Amides: Synthetic and Mechanistic Insights"; Chem. Eur. J. 2024, DOI: 10.1002/chem.202304002. [Link]
42) Samrat Mallick, Mrinmay Baidya, and Suman De Sarkar*, "Metal-Free Electrochemical[3+2] Cycloaddition between α-AminoCarbonyls and Tosylmethyl Isocyanide en route to Substituted Imidazoles"; Adv. Synth.Catal., 2024, 366, 241. [Link]
41) Atreyee Halder, Kingshuk Mahanty, Debabrata Maiti and Suman De Sarkar*,"Recent Advances in Electrochemical Reductive Transformation of C−C and C−O Multiple Bonds"; Isr. J. Chem. 2024, DOI: 10.1002/ijch.202300102. [Link]
Publications- 2019-2023
40) T. Mandal, S. Das, R. Maji, S. De Sarkar*, "Visible-Light-Induced Hydrogen Atom Transfer En Route to Exocylic Alkenylation of Cyclic Ethers Enabled by Electron Donor-Acceptor Complex"; Org. Lett. 2023, 25, DOI: 10.1021/acs.orglett.3c03099. [Link]
39) A. Halder, D. Maiti, J. Dutta, S. De Sarkar*, "Electro-oxidative Synthesis of Unsymmetrical Alkyne-1,4-diones via Sequential Ring Formation and Cleavage"; Org. Lett. 2023, 25, DOI: 10.1021/acs.orglett.3c03045. [Link]
38) Mrinmay Baidya and Suman De Sarkar* "Synthesis of Quinoxalines through Cu-electrocatalytic Azidation/Annulation Cascade at Low Catalyst Loading" Org. Lett. 2023, 25, 31, 5896–5901 [Link]
37) Atreyee Halder,‡Sayan Ghosh‡, and Suman De Sarkar* "Transition Metal and Base‐free Electro‐oxidative Regioselective Trifluoromethylation of Imidazo [1, 2‐a] pyridines" Asian J. Org. Chem., 2023, 12, e202300294 [Link]
36) Mrinmay Baidya, Jhilik Dutta and Suman De Sarkar* "Electrochemical Organoselenium Catalysis for the Selective Activation of Alkynes: Easy Access to Carbonyl-pyrroles/oxazoles from N‑Propargyl Enamines/Amides" Org. Lett. 2023, 25, 3812 [Link]
35) Kingshuk Mahanty, Suman Kumar Saha, Atreyee Halder and Suman De Sarkar* "Mediator-free electrochemical trifluoromethylation: a cascade approach for the synthesis of trifluoromethylated isoxazolines" Chem. Commun. 2023, 59, 4467 [Link]
34) Sudhir Kumar Hota, Satya Prakash Panda, Sanju Das, Sanat Kumar Mahapatra, Lisa Roy*, Suman De Sarkar*, and Sandip Murarka* "Photoinduced Electron Donor–Acceptor Complex-Mediated Radical Cascade Involving N-(Acyloxy)phthalimides: Synthesis of Tetrahydroquinolines" J. Org. Chem. 2023, 88, 2543 [Link]
33) Kingshuk Mahanty, Atreyee Halder and Suman De Sarkar* "Synthesis of N-Sulfonyl Amidines and 1,3,4-Oxadiazoles through Electrochemical Activation of DMF" Advanced synthesis and catalysis 10.1002/adsc.202201019 [Link]
32) V. Arun, S. K. Saha, S. De Sarkar*, Science of Synthesis: Cross-Dehydrogenative Coupling. Thieme Chemistry 2023; Vol. 1, p 361. [Link]
31) Sayan Ghosh‡, Jhilik Dutta‡, Atreyee Halder, and Suman De Sarkar* "Easy Access to N-(Pyridin-2-yl)benzamides through Electro-oxidative Ring Opening of 2-Arylimidazo[1,2-a]pyridines" Synlett DOI: 10.1055/a-1956-9993 [Link]
30) Atreyee Halder, Kingshuk Mahanty, Debabrata Maiti, and Suman De Sarkar* "Recent Developments in the Electro-reductive Functionalization of C−halogen Bonds" Synthesis DOI: 10.1055/a-1944-9494 [Link]
29) Tanumoy Mandal, Samrat Mallick, Nidhi Kumari, and Suman De Sarkar* "Visible-Light-Mediated Synthesis of Phenanthrenes through Successive Photosensitization and Photoredox by a Single Organocatalyst" Organic Letters 10.1021/acs.orglett.2c03612 [Link]
28) Mrinmay Baidya, Samrat Mallick, and Suman De Sarkar* "Regioselective Synthesis of N2-Aryl 1,2,3-Triazoles via Electro-oxidative Coupling of Enamines and Aryldiazonium Salts" [Link]
27) Mrinmay Baidya, Debabrata Maiti, Lisa Roy*, Suman De Sarkar* "Trifluoroethanol as a Unique Additive for the Chemoselective Electrooxidation of Enamines to Access Unsymmetrically Substituted NH-Pyrroles." [Link]
26) Sanju Das,Tanumoy Mandal,Suman De Sarkar* "Acridine Orange Hemi(Zinc Chloride) Salt as a Lewis Acid-Photoredox Hybrid Catalyst for the Generation of α-Carbonyl Radicals" [Link]
25) M. Ghosh, S. Mallick, S. De Sarkar*, "Electrochemical C−H Activation Catalyzed by Cobalt and Copper: Synthetic Strategies and Mechanistic Illustration" In Handbook of C-H- Functionalization; Wiley; pp 1-32." [Link]
24) Tanumoy Mandal, Aznur Azim, Sanju Das, and Suman De Sarkar* "Organophotoredox Catalyzed Stereoselective Nitration of Olefins with tert-Butyl Nitrite under Air" [Link]
23) Sanju Das, Aznur Azim, Sudhir Kumar Hota, Satya Prakash Panda, Sandip Murarka* and Suman De Sarkar* "Organophotoredox-catalyzed redox-neutral cascade involving N-(acyloxy)phthalimides and allenamides: Synthesis of indoles" Chem. Commun. 2021, 57,13130. [link]
22) Raki Mandal, Kingshuk Mahanty, Subhendu Mandal, Suman De Sarkar* and Pradip K. Tarafdar* "Membrane transport inspired hydrolysis of non-activated esters at near physiological pH "Chem. Commun. 2021, 57, 11088. [link]
21) Debabrata Maiti, Atreyee Halder, Aswathy Sasidharan Pillai, and Suman De Sarkar* "Synthesis of Polysubstituted Furans through Electrochemical Selenocyclization of Homopropargylic Alcohols" J. Org. Chem. 2021, 86, 16084.[Link]
20) Atreyee Halder, Kingshuk Mahanty, Debabrata Maiti and Suman De Sarkar* "Highly Diastereoselective Synthesis of Dihydro-benzoimidazo-[1,3]-thiazines via Electro-oxidative Selenocyclization of Thioallyl Benzoimidazoles" Chem. Asian J. 2021, 16, 3895. [Link]
19) Sanju Das, Sushanta Kumar Parida,‡ Tanumoy Mandal,‡ Sudhir Kumar Hota, Lisa Roy, * Suman De Sarkar * and Sandip Murarka "An organophotoredox-catalyzed redox-neutral cascade involving N-(acyloxy)phthalimides and maleimides" Org. Chem. Front. 2021, 8, 2256 [Link]
18) Debabrata Maiti, Kingshuk Mahanty, and Suman De Sarkar* "Manganese-catalyzed Electro-oxidative Azidation-annulationCascade to Access Oxindoles and Quinolinones" Chem Asian J. 2021, 16, 748 – 752 (Joint 1st author) [Link]
17) Debabrata Maiti, Kingshuk Mahanty, and Suman De Sarkar* "Manganese-Catalyzed Electrochemical Tandem Azidation–Coarctate Reaction: Easy Access to 2-Azo-benzonitriles" Org. Lett. 2021, 23, 1742−1747 (Joint 1st author) [Link]
16) Sushanta Kumar Parida, Tanumoy Mandal, Sanju Das, Sudhir Kumar Hota, Suman De Sarkar,* and Sandip Murarka* "Single Electron Transfer-Induced Redox Processes Involving N‑(Acyloxy)phthalimides" ACS Catal. 2021, 11, 1640−1683 (Joint 1st author) [Link]
15) Ayan Bhattacharyya, Suman De Sarkar,* and Anindita Das* "Supramolecular Engineering and Self-Assembly Strategies in Photoredox Catalysis" ACS Catal. 2021, 11, 710−733 [Link]
14) V. Arun, Lisa Roy* and Suman De Sarkar* "Alcohols as Fluoroalkyl Synthons: Ni-catalyzed Dehydrogenative Approach to Access Polyfluoroalkyl Bis-indoles" Chem. Eur.J. 2020 , 26,16649 –16654 [Link]
13) Kingshuk Mahanty, Debabrata Maiti, Suman De Sarkar, "Regioselective C–H Sulfonylation of 2H-Indazoles by Electrosynthesis" J. Org. Chem. 2020, 85, 5, 3699–3708 (Joint 1st author) [Link]
12) Atreyee Halder, Debabrata Maiti, Suman De Sarkar, "Mechanochemical Synthesis of Functionalized Quinolines by Iodine Mediated Oxidative Annulation" Chem Asian J. 2020, 15, 577 – 580 [Link]
11) Sanju Das, Sushanta Kumar Parida, Tanumoy Mandal, Laxmikanta Sing, Suman De Sarkar* and Sandip Murarka* "Organophotoredox Catalyzed Cascade Radical Annulation of 2-(Allyloxy)arylaldehydes with N-(acyloxy)phthalimides: Towards Alkylated Chroman-4-one derivatives" Chem Asian J. 2020, 15, 568 – 572 [Link]
10) S. Mallick, M. Baidya, K. Mahanty, D. Maiti, S. De Sarkar, "Electrochemical Chalcogenation of β,γ-Unsaturated Amides and Oximes to Corresponding Oxazolines and Isoxazolines" Adv. Synth. Catal. 2020, 362, 1046 – 1052. [Link]
9) D. Maiti, A. Halder, S. De Sarkar, "Base‐Promoted Aerobic Oxidation/Homolytic Aromatic Substitution Cascade toward the Synthesis of Phenanthridines" Adv. Synth. Catal. 2019, 361, 4941 – 4948. [Link] (Selected as VIP)
8) S. Das, S. Mallick, S. De Sarkar, "Cobalt-Catalyzed Sustainable Synthesis of Benzimidazoles by Redox-Economical Coupling of o-Nitroanilines and Alcohols" J. Org. Chem. 2019, 84, 12111−12119. [Link]
7) V. Arun, S. De Sarkar, "Recent Developments in the de Novo Synthesis of Heterocycles by First-Row Transition-Metal-Catalyzed Acceptorless Dehydrogenation" Cur. Org. Chem. 2019, 23, 1005.[Link]
6) T. Mandal, S. Das, S. De Sarkar, "Nickel(II) Tetraphenylporphyrin as an Efficient Photocatalyst Featuring Visible Light Promoted Dual Redox Activities" Adv. Synth. Catal. 2019, 361, 3200.[Link]
5) V. Arun, K. Mahanty, S. De Sarkar, "Nickel‐Catalyzed Dehydrogenative Couplings" Chem CatChem. 2019, 11, 2243.[Link] (Joint 1st author)
4) M. Ghosh, S. De Sarkar, "meta‐ and para‐Selective C−H Functionalization using Transient Mediator and Noncovalent Template" Asian J. Org. Chem. 2018, 7, 1236.[Link]
3) S. Das, D. Maiti, S. De Sarkar, "Synthesis of Polysubstituted Quinolines from α-2-Aminoaryl Alcohols Via Nickel-catalyzed Dehydrogenative Coupling" J. Org. Chem. 2018, 83, 2309.[Link]
2) S. Dey, S. De Sarkar, "Synthetic Applications of Vinyl Ruthenium Carbene Derived from Diazoalkanes and Alkynes" Adv. Synth. Catal. 2017, 359, 2709. [Link]
1) S. De Sarkar, "Remote C−H Functionalization by a Palladium-Catalyzed Transannular Approach" Angew. Chem., Int. Ed. 2016, 55, 10558. [Link]
