2025
Stereoselective (3 + 3)-Cycloannulation of Carbonyl Ylides and (Z)-3-Benzylidene-3H-indoles Enabled by Cooperative Rh/Chiral Phosphoric Acid Catalysis
Jyotish Barman, Spoorthi Ananda, and Subhas Chandra Pan*
Organocatalytic Asymmetric Desymmetrization of Cyclopentene1,3-diones via Formal Diaza-ene Reaction with Donor–Acceptor Hydrazones
Subhankar Biswas and Subhas Chandra Pan
Ferric Chloride Mediated Dearomative Spirocyclization of Biaryl Ynones: Synthesis of 3,3-Spiroindanones
Gaurav Jaiswal and Subhas Chandra Pan
Catalytic Asymmetric De Novo Synthesis of Chiral Pyrroles Through Desymmetrizing Oxidative [3+2]-Cycloaddition and the Van Leusen Reaction
Rupkumar Khuntia, Diptendu Maity and Subhas Chandra Pan
Catalytic Asymmetric Desymmetrizing [4+2] Cycloaddition/Base-Mediated Oxidative Aromatization Sequence: De Novo Synthesis ofIsobenzofuranone-Embedded Chiral Arenes
Subhankar Biswas and Subhas Chandra Pan
2024
Iridium/Acid-Dual Catalyzed Enantioselective Intramolecular Allylic Dearomatization Reaction of Allylic Alcohol Tethered α- and β-Naphthols
Amit Shikari, Subhas Chandra Pan
Organocatalytic Asymmetric Synthesis of C−N Atropisomers with Pyrrole, Oxindole and Succinimide Scaffold
Subhankar Biswas, Subham Kundu and Subhas Chandra Pan
Organocatalytic Dearomative Spirocyclization Reaction of Enone-Tethered α-and β-Naphthols and Dearomatization Reaction of In Situ Generated Nitro-Olefin-Tethered α-Naphthols
Amit Shikari, Madhur Sharma, Kalishankar Bhattacharyya and Subhas Chandra Pan
Catalytic Asymmetric Dearomatization of 2,3-Disubstituted Indoles by a [4 + 2] Cycloaddition Reaction with In Situ Generated Vinylidene ortho-Quinone Methides: Access to Polycyclic Fused Indolines
Amit Shikari, Chandrakanta Parida and Subhas Chandra Pan
Organocatalytic Asymmetric Dearomative Spirocyclization/Oxa-Michael Addition Sequence: Synthesis of Polycyclic Tetralones
Ramji Meher and Subhas Chandra Pan
BBr3-mediated dearomative spirocyclization of biaryl ynones: facile access to spiro[5.5]dienones
Gaurav Jaiswal and Subhas Chandra Pan
2023
Sequential organo and metal catalyzed reaction between 3-pyrrolyloxindoles and linear nitroenynes: access to cyclic aza-spirooxindoles
Subhankar Biswas, Siddhartha K. Purkayastha, Ankur K. Guha and Subhas Chandra Pan
Organocatalytic Synthesis of Furan-Embedded Styrene Atropisomers
Chandrakanta Parida, Subhas Chandra Pan
Organocatalytic Asymmetric Domino [3+2]-Cycloaddition-Acyl Transfer Reaction between Azomethine Ylides and α-Nitro-α,β-Unsaturated Ketones
Subas Chandra Sahoo, Chandrakanta Parida, Subhas Chandra Pan
Organocatalytic Asymmetric Inverse-Electron-Demand Diels–Alder Reaction between Alkylidene Pyrazolones and Allyl Ketones: Access to Tetrahydropyrano[2,3-c]pyrazoles
Nimisha Bania, Dipankar Barman, Subhas Chandra Pan
Organocatalytic Asymmetric Dearomatization Reaction for the Construction of Axially Chiral Urazole Embedded Naphthalenones
Chandrakanta Parida, Siddharth K. Dave, Kousik Das, Subhas Chandra Pan
2022
Organocatalytic Allylic and Benzylic C-H Bond Functionalization
Rupkumar Khuntia, Chandan Gharui, Subhas C. Pan
2021
Organocatalytic Asymmetric Synthesis of Cyclic Acetals with Spirooxindole Skeleton
Amit Shikari, Koushik Mandal, Deepak Chopra,
Subhas Chandra Pan
Organocatalytic Asymmetric Addition of Aromatic α-Cyanoketones
to o-Quinone Methides: Synthesis of 3,4-Dihydrocoumarins
and Tetrasubstituted Chromans
Chandan Gharui, Chandrakanta Parida, Subhas Chandra Pan
Organocatalytic Asymmetric Synthesis of Spirooxindole
Embedded Oxazolidines
Chandrakanta Parida, Buddhadeb Mondal, Animesh Ghosh,
Organocatalytic asymmetric Michael/acyl transfer reaction between α-nitroketones and 4-arylidenepyrrolidine-2,3-diones
(Invited article)
Chandrakanta Parida, Subhas Chandra Pan
DMAP Catalyzed Domino Rauhut–Currier Cyclization Reaction between Alkylidene Pyrazolones and Nitro-olefins: Access to Tetrahydropyrano[2,3-c]pyrazoles
Nimisha Bania, Buddhadeb Mondal, Sounak Ghosh, Subhas Chandra Pan
2020
Organocatalytic asymmetric addition of thioglycolates to o-quinone methides: a route to 5-substituted-5H-benzoxathiepine-2(3H)-ones
Chandan Gharui, Satya Prakash, Deepak Chopra, Subhas Chandra Pan
2019
Applications of Bifunctional Organocatalysts on ortho‐Quinone Methides
Soumendranath Mukhopadhyay, Chandan Gharui, Subhas Chandra Pan
α-Nitro-α,β-Unsaturated Ketones: An Electrophilic Acyl Transfer Reagent in Catalytic Asymmetric Friedel–Crafts and Michael Reactions
Chandrakanta Parida, Rajendra Maity, Subas Chandra Sahoo, Subhas Chandra Pan
Organocatalytic asymmetric spirocyclization reactions of cyclic 2,4-dienones with cyanoketones: synthesis of spiro-dihydropyrano cyclohexanones
Buddhadeb Mondal, Megha Balha, Subhas Chandra Pan
Synthesis of N-Formyl-2-benzoyl Benzothiazolines, 2-Substituted Benzothiazoles, and Symmetrical Disulfides from N-Phenacylbenzothiazolium Bromides
Subas Chandra Sahoo, Subhas Chandra Pan
Organocatalytic asymmetric synthesis of dihydrofuran-spirooxindoles from benzylidene malononitriles and dioxindoles
Megha Balha, Buddhadeb Mondal, Subhas Chandra Pan
Organocatalytic Asymmetric Mannich Reaction of Dihydro‐3‐carboalkoxy‐2‐quinolones with Preformed N‐Boc Imines
Soumendranath Mukhopadhyay, Subhas Chandra Pan
Organocatalytic Asymmetric Synthesis of Bridged O,O‐Ketals with Spirooxindole Motif
Megha Balha, Chintan Soni, Subhas Chandra Pan
Organocatalytic Asymmetric Michael–Acyl Transfer Reaction of α‐Nitroketones with 2‐Hydroxybenzylidene Ketones
Rajendra Maity, Subas Chandra Sahoo, Subhas Chandra Pan
DBU-Mediated Addition of α-Nitroketones to α-Cyano-enones and α,β-Unsaturated α-Ketoesters: Synthesis of Dihydrofurans and Conjugated Dienes
Subas Chandra Sahoo, Rajendra Maity, Subhas Chandra Pan
Organocatalytic Asymmetric Synthesis of 2,5‐Disubstituted Oxazolidines
Soumendranath Mukhopadhyay, Subhas Chandra Pan
Catalytic Enantioselective Synthesis of 3,4,5‐Trisubstituted Isoxazoline N‐oxides and Regioselective Synthesis of 3,4,5‐Trisubstituted Isoxazoles
Subas Chandra Sahoo, Subhas Chandra Pan
2018
Organocatalytic asymmetric synthesis of highly substituted pyrrolidines bearing a stereogenic quaternary centre at the 3-position
Soumendranath Mukhopadhyay, Subhas Chandra Pan
Organocatalytic Asymmetric Synthesis of Bridged Acetals with Spirooxindole Skeleton
Megha Balha, Subhas Chandra Pan
Organocatalytic Asymmetric Domino Michael/Acyl Transfer Reaction Between α‐Nitroketones and in situ‐Generated ortho‐Quinone Methides: Route to 2‐(1‐Arylethyl)phenols
Chandan Gharui, Debasmita Behera, Subhas Chandra Pan
Organocatalytic asymmetric Michael/hemiketalization/acyl transfer reaction of 1,3-propanediones with (E)-2-(2-nitrovinyl)phenols
Nimisha Bania, Subhas Chandra Pan
Organocatalytic Asymmetric Synthesis of Highly Substituted Tetrahydrofurans and Tetrahydropyrans via Double Michael Addition Strategy
Buddahdeb Mondal, Megha Balha, Subhas Chandra Pan
Organocatalytic Asymmetric Domino Michael/Acyl Transfer Reaction between γ/δ-Hydroxyenones and α-Nitroketones
Keshab Mondal, Subhas Chandra Pan
Organocatalytic asymmetric Michael/hemiacetalization/acyl transfer reaction of α-nitroketones with o-hydroxycinnamaldehydes: synthesis of 2,4-disubstituted chromans
Rajendra Maity, Subhas Chandra Pan
2017
Organocatalytic Asymmetric Michael-Hemiacetalization Reaction Between 2-Hydroxyacetophenones and Enals: A Route to Chiral β,γ-Disubstituted γ-Butyrolactones
Megha Balha, Buddhadeb Mondal, Subas Chandra Sahoo, Subhas Chandra Pan
2016
2015
Organocatalytic asymmetric Michal addition of 1-acetylcyclohexene and 1-acetylcyclopentene to nitroolefins
Utpal Nath, Ankush Banerjee, Bidhan Ghosh, Subhas Chandra Pan
Organocatalytic asymmetric intramolecular aza-Henry reaction: Facile synthesis of trans-2,3-disubstituted tetrahydroquinolines
Rajendra Maity, Subhas Chandra Pan
n-Bu4NI-Catalyzed-α-Benzoxylation of Ketones
Buddhadeb Mondal, Subas Chandra Sahoo, Subhas Chandra Pan
Copper(I) Catalyzed (Z)-(ß-Tosyloxy) Alkenyl Iodide Synthesis from (E)-[ß-(Tosyloxy)-Alkenyl](Aryl) Iodonium Tosylates: Diversity Oriented Synthesis of Trisubstituted Alkenes
Keshab Mondal, Subas Chandra Sahoo, Subhas Chandra Pan
2014
Publications from Postdoctoral and Doctoral Research:
Organocatalytic C-H Activation Reactions, Subhas Chandra Pan, Beilstein J. Org. Chem. 2012, 8, 1374.
The Catalytic Asymmetric a-Benzylation of Aldehydes, B. List, I.Coric, O. O. Grygorenko, P. S. J. Kaib, I. Komarov, A. Lee, M. Leutzsch, S. C. Pan, A.V. Tymtsunik and M. van Gemmeren, Angew. Chem. Int. Ed. 2014, 53, 282-285.
Enantioselective Syntheses of Bioactive Epoxyquinone Natural Products (+)-Harveynone and (+)-Asperpentyn, Goverdhan Mehta, Subhrangsu Roy, Subhas Chandra Pan, Tetrahedron Lett. 2012, 53, 4093-4095.
Convergent Synthesis and Discovery of a Natural Product-Inspired Paralog-Selective Hsp90 Inhibitor, Valer Jeso, Lisa Cherry, Todd K Macklin, Subhas Chandra Pan, Philip V. LoGrasso, Glenn. C. Micalizio, Org. Lett. 2011, 13, 5108-5111.
Synthesis of tert-Butyl (1S, 2S)-2-methyl-3-oxo-phenylpropylcarbamate by Asymmetric Mannich Reaction, Jung Woon Yang, Subhas Chandra Pan, Benjamin List, Org. Synth. 2009, 86, 11-17.
Catalytic Three-Component Ugi Reaction, Subhas Chandra Pan, Benjamin List, Angew. Chem. Int. Ed. 2008, 47, 3622-3625.
The Catalytic Acylcyanation of Imines, Subhas Chandra Pan, Benjamin List, Chem. Asian. J. 2008, 3, 430-438.
Catalytic Asymmetric Three-Component Acyl-Strecker Reaction, Subhas Chandra Pan, Benjamin List, Org. Lett. 2007, 9, 1149-1151.
Catalytic Asymmetric Acylcyanation of Imines, Subhas Chandra Pan, Jian Zhou, Benjamin List, Angew. Chem. Int. Ed. 2007, 46, 612-614.
Catalytic One-Pot, Three-Component Acyl-Strecker Reaction, Subhas Chandra Pan, Benjamin List, Synlett, 2007, 318-320.
Catalytic Acylcyanation of Imines with Acetylcyanide, Subhas Chandra Pan, Jian Zhou, Benjamin List, Synlett, 2006, 3275-3276.
First Total Synthesis of Yanuthones: Novel Farnesylated Epoxycyclohexenoid Marine Natural Products, Goverdhan Mehta, Subhas Chandra Pan, Tetrahedron Lett. 2005, 46, 5219-5223.
A Total Synthesis of the Epoxyquinone Based Antifungal Natural Product Ambuic Acid, Goverdhan Mehta, Subhas Chandra Pan, Tetrahedron Lett. 2005, 46, 3045-3048.
Total Synthesis of the Novel, Biologically Active Epoxyquinone Dimer Torreyanic acid: A Biomimetic Approach, Goverdhan Mehta, Subhas Chandra Pan, Org. Lett. 2004, 6, 3985-3988.
Total Synthesis of the Novel Antifungal Agent Jesterone, Goverdhan Mehta, Subhas Chandra Pan, Org. Lett. 2004, 6, 811-813.