Copper-Catalyzed Synthesis of Medium-Sized Cyclic Aminals via Annulation of Ketenimines and N -Acyliminium Ions C Choudhury, S Biswas, B Porashar, AK Saikia Organic Letters 28 (9), 2865-2870 , 2026 2026.0
Lewis Acid-Promoted Synthesis of 3-Tosylisoindolinone from 3-Hydroxyisoindolinone: Access to Complex Furopyrroloisoindoledione M Das, V Kumar, PJ Arandhara, S Biswas, AK Saikia Indian Journal of Chemistry (IJC) 64 (12), 1133-1143 , 2025 2025.0
Regio- and Chemoselective Synthesis of Spiro Cyclobutane-Isobenzofuranimines via Cascade Oxycyclization and [2 + 2] Cycloaddition of o -Alkynolbenzamides S Biswas, GK Singh, C Choudhury, AK Saikia The Journal of Organic Chemistry 90 (38), 13354-13368 , 2025 2025.0 Citations: 2
Recent Developments in Prins Cyclization Towards the Synthesis of Spirocyclic Scaffolds S Biswas, B Porashar, MJ Deka, AK Saikia Asian Journal of Organic Chemistry, e202500116 , 2025 2025.0 Citations: 4
Cascade alkynyl Prins cyclization and aza-Michael reaction: En route to regioselective pyrano-and isochromenoquinoline scaffolds S Biswas, AK Saikia The Journal of Organic Chemistry 89 (19), 14454-14471 , 2024 2024.0 Citations: 8
A Lewis Acid-Catalyzed Cascade Synthesis of Fused N -Heterocycles from 2-Alkynylanilines and 2-Formylbenzonitriles: Unveiling Iminoisoindoloindolone and Its … PJ Arandhara, A Chutia, S Biswas, AK Saikia The Journal of Organic Chemistry 89 (17), 12128-12142 , 2024 2024.0 Citations: 11
Regioselective synthesis of spiro quinazolinones via sequential hydroalkoxylation and intramolecular amide-cyclization of alkynol ureas S Biswas, SK Bora, PJ Arandhara, AK Saikia New Journal of Chemistry , 2024 2024.0 Citations: 5
Stereoselective Synthesis of gem-Dihalopiperidines via Halo-Aza-Prins Cyclization Reaction: Access to Piperidin-4-ones and Pyridines SK Bora, S Biswas, BK Behera, AK Saikia Organic & Biomolecular Chemistry 22 (19), 3893-3903 , 2024 2024.0 Citations: 5
Regio- and Chemoselective Synthesis of 3-(Dihydrofuran-3(2 H )-ylidene)isobenzofuran-1(3 H )-imines via Tandem Alkynyl Prins- and Intramolecular Oxycyclization … S Shit, BK Behera, S Biswas, AK Saikia The Journal of Organic Chemistry 88 (15), 10844-10857 , 2023 2023.0 Citations: 11
Leveraging cascade alkynyl Prins cyclization towards the stereoselective synthesis of spiro-furan quinazolinone scaffolds S Biswas, S Shit, BK Behera, AK Sahu, AK Saikia Chemical Communications 59 (96), 14301-14304 , 2023 2023.0 Citations: 8
Synthesis of 1,2,3-triazole-fused N-heterocycles from N-alkynyl hydroxyisoindolinones and sodium azide via Huisgen reaction PJ Arandhara, BK Behera, S Biswas, AK Saikia Organic & Biomolecular Chemistry 21 (43), 8772-8781 , 2023 2023.0 Citations: 8
Temperature Tunable Synthesis of Tetrahydro-4 H -pyrrolo[3,2- c ]quinolin-4-ones and Dihydro-1 H -benzo[ b ]azepines from 2-Aminobenzonitriles and Donor … B Porashar, S Biswas, AK Sahu, A Chutia, AK Saikia Organic Letters 24 (49), 9038-9042 , 2022 2022.0 Citations: 21
Synthesis of Thiazole-2(3 H )-ones via [3,3]-Sigmatropic Rearrangement/5- exo -dig Cyclization of N -Propargylamines BK Behera, S Shit, S Biswas, AK Saikia The Journal of Organic Chemistry 87 (14), 9259-9269 , 2022 2022.0 Citations: 17
Synthesis of 3C-alkylated active methylene substituted 2H-Indazole Derivatives via Sequential Ring Opening of Donor Acceptor Cyclopropanes and Reductive cyclization Reaction AK Sahu, S Biswas, SK Bora, AK Saikia New Journal of Chemistry , 2022 2022.0 Citations: 12
Synthesis of pyrimido [2,1-a] isoindolone and isoindolo [2,1-a] quinazolinone via intramolecular aza-Prins type reaction S Biswas, B Porashar, PJ Arandhara, AK Saikia Chemical Communications 57 (88), 11701-11704 , 2021 2021.0 Citations: 26
Chapter-3 Prins Cascade Cyclization towards Synthesis of Tricyclic Heterocycles S Biswas CHEMICAL SCIENCES 1, 43 , 2020 2020.0
Vinylsilanes in highly diastereo-and regio-selective synthesis of dihydropyrans U Borthakur, S Biswas, AK Saikia ACS omega 4 (2), 2630-2636 , 2019 2019.0 Citations: 11
Synthesis of N/O-Heterocycles via Prins Cyclization, Hydroalkoxylation and Intramolecular Oxycyclization Reactions S Biswas Guwahati , 0
MOST CITED SCHOLAR PUBLICATIONS
Synthesis of pyrimido [2,1-a] isoindolone and isoindolo [2,1-a] quinazolinone via intramolecular aza-Prins type reaction S Biswas, B Porashar, PJ Arandhara, AK Saikia Chemical Communications 57 (88), 11701-11704 , 2021 2021.0 Citations: 26
Temperature Tunable Synthesis of Tetrahydro-4 H -pyrrolo[3,2- c ]quinolin-4-ones and Dihydro-1 H -benzo[ b ]azepines from 2-Aminobenzonitriles and Donor … B Porashar, S Biswas, AK Sahu, A Chutia, AK Saikia Organic Letters 24 (49), 9038-9042 , 2022 2022.0 Citations: 21
Synthesis of Thiazole-2(3 H )-ones via [3,3]-Sigmatropic Rearrangement/5- exo -dig Cyclization of N -Propargylamines BK Behera, S Shit, S Biswas, AK Saikia The Journal of Organic Chemistry 87 (14), 9259-9269 , 2022 2022.0 Citations: 17
Synthesis of 3C-alkylated active methylene substituted 2H-Indazole Derivatives via Sequential Ring Opening of Donor Acceptor Cyclopropanes and Reductive cyclization Reaction AK Sahu, S Biswas, SK Bora, AK Saikia New Journal of Chemistry , 2022 2022.0 Citations: 12
A Lewis Acid-Catalyzed Cascade Synthesis of Fused N -Heterocycles from 2-Alkynylanilines and 2-Formylbenzonitriles: Unveiling Iminoisoindoloindolone and Its … PJ Arandhara, A Chutia, S Biswas, AK Saikia The Journal of Organic Chemistry 89 (17), 12128-12142 , 2024 2024.0 Citations: 11
Regio- and Chemoselective Synthesis of 3-(Dihydrofuran-3(2 H )-ylidene)isobenzofuran-1(3 H )-imines via Tandem Alkynyl Prins- and Intramolecular Oxycyclization … S Shit, BK Behera, S Biswas, AK Saikia The Journal of Organic Chemistry 88 (15), 10844-10857 , 2023 2023.0 Citations: 11
Vinylsilanes in highly diastereo-and regio-selective synthesis of dihydropyrans U Borthakur, S Biswas, AK Saikia ACS omega 4 (2), 2630-2636 , 2019 2019.0 Citations: 11
Cascade alkynyl Prins cyclization and aza-Michael reaction: En route to regioselective pyrano-and isochromenoquinoline scaffolds S Biswas, AK Saikia The Journal of Organic Chemistry 89 (19), 14454-14471 , 2024 2024.0 Citations: 8
Leveraging cascade alkynyl Prins cyclization towards the stereoselective synthesis of spiro-furan quinazolinone scaffolds S Biswas, S Shit, BK Behera, AK Sahu, AK Saikia Chemical Communications 59 (96), 14301-14304 , 2023 2023.0 Citations: 8
Synthesis of 1,2,3-triazole-fused N-heterocycles from N-alkynyl hydroxyisoindolinones and sodium azide via Huisgen reaction PJ Arandhara, BK Behera, S Biswas, AK Saikia Organic & Biomolecular Chemistry 21 (43), 8772-8781 , 2023 2023.0 Citations: 8
Regioselective synthesis of spiro quinazolinones via sequential hydroalkoxylation and intramolecular amide-cyclization of alkynol ureas S Biswas, SK Bora, PJ Arandhara, AK Saikia New Journal of Chemistry , 2024 2024.0 Citations: 5
Stereoselective Synthesis of gem-Dihalopiperidines via Halo-Aza-Prins Cyclization Reaction: Access to Piperidin-4-ones and Pyridines SK Bora, S Biswas, BK Behera, AK Saikia Organic & Biomolecular Chemistry 22 (19), 3893-3903 , 2024 2024.0 Citations: 5
Recent Developments in Prins Cyclization Towards the Synthesis of Spirocyclic Scaffolds S Biswas, B Porashar, MJ Deka, AK Saikia Asian Journal of Organic Chemistry, e202500116 , 2025 2025.0 Citations: 4
Regio- and Chemoselective Synthesis of Spiro Cyclobutane-Isobenzofuranimines via Cascade Oxycyclization and [2 + 2] Cycloaddition of o -Alkynolbenzamides S Biswas, GK Singh, C Choudhury, AK Saikia The Journal of Organic Chemistry 90 (38), 13354-13368 , 2025 2025.0 Citations: 2
Copper-Catalyzed Synthesis of Medium-Sized Cyclic Aminals via Annulation of Ketenimines and N -Acyliminium Ions C Choudhury, S Biswas, B Porashar, AK Saikia Organic Letters 28 (9), 2865-2870 , 2026 2026.0
Lewis Acid-Promoted Synthesis of 3-Tosylisoindolinone from 3-Hydroxyisoindolinone: Access to Complex Furopyrroloisoindoledione M Das, V Kumar, PJ Arandhara, S Biswas, AK Saikia Indian Journal of Chemistry (IJC) 64 (12), 1133-1143 , 2025 2025.0
Chapter-3 Prins Cascade Cyclization towards Synthesis of Tricyclic Heterocycles S Biswas CHEMICAL SCIENCES 1, 43 , 2020 2020.0
Synthesis of N/O-Heterocycles via Prins Cyclization, Hydroalkoxylation and Intramolecular Oxycyclization Reactions S Biswas Guwahati , 0
