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Chemistry, an Asian Journal|July 29, 2025
Chemoselective, Dearomative Reduction of Epoxide-Tethered Indoles en Route to HFIP-Promoted Diastereoselective Synthesis of 1,7-Fused IndolinesKriti Yadav, Upasana Deka, Sajal Kumar Das
Organic & Biomolecular Chemistry|September 3, 2024
Constructing spirooxindoles from non-oxindole precursors: a one-pot nitro-reduction/double lactamization approach to spiro[indoline-3,3'-quinoline]-2,2'-dionesRaju Chouhan, Abhijit Gogoi, Sajal Kumar Das
Chemical Communications (Cambridge, England)|January 5, 2026
Reactivity divergence in the cyclization of terminal epoxides all-carbon-tethered to indolesUpasana Deka, Abhijit Gogoi, Sajal Kumar Das
Organic Letters|January 25, 2024
Diastereocontrolled Construction of Spiroindolenines via Hexafluoroisopropanol-Promoted Dearomative Epoxide-Indole CyclizationRaju Chouhan, Hemanga Bhattacharyya, Sajal Kumar Das
The Journal of Organic Chemistry|August 16, 2022
Diastereoselective Synthesis of Indoline- and Pyrrole-Embedded Tetracycles via an Unprecedented Dearomative Indole-C3-Alkylation/Aza-Friedel-Crafts Cascade ReactionRaju Chouhan, Arup Jyoti Das, Sajal Kumar Das
The Journal of Organic Chemistry|June 1, 2021
Hexafluoroisopropanol-Mediated Intramolecular Ring-Opening Cyclization of Indolyl-N-Tethered Epoxides: Tether-Length-Controlled Synthesis of 1,7- and 1,2-Fused IndolesArup Jyoti Das, Raju Chouhan, Sajal Kumar Das
Organic & Biomolecular Chemistry|December 13, 2019
Base-mediated intramolecular one-pot double-cyclization of epoxide-tethered 2-fluorobenzenesulfonamides: an avenue to 1,4-benzoxazine-fused benzothiaoxazepine-1,1-dioxidesJonali Das, Biraj Jyoti Borah, Sajal Kumar Das
Organic & Biomolecular Chemistry|August 3, 2018
Phenolate-induced intramolecular ring-opening cyclization of N-tosylaziridines: access to functionalized benzoxacyclesRunjun Devi, Jonali Das, Bipul Sarma, et al.
Organic & Biomolecular Chemistry|December 12, 2023
Synthesis of benzimidazole-fused 1,4-benzoxazepines and benzosultams spiro-connected to a 2-oxindole core via a tandem epoxide-opening/SNAr approachAbhijit Gogoi, Subhamoy Mukhopadhyay, Raju Chouhan, et al.
The Journal of Organic Chemistry|June 29, 2026
Aza-Friedel-Crafts Cyclization vs Plancher Rearrangement in the Acid-Catalyzed Reaction of 3-BenzylindoleninesRaju Chouhan, Manashjyoti Gogoi, Raju Sharma, et al.
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