Publications

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Sayan Shee

Publications

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19. Atroposelective Synthesis of N–N Axially Chiral Indoles and Pyrroles via NHC-Catalyzed Diastereoselective (3 + 3) Annulation Strategy.

Ranganathappa, S. S.; Dehury, B, S.; Singh, G. K.; Shee, S.; Biju, A. T.

ACS Catal. 2024, 14, 6965-6972.

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18. Enantioselective Synthesis of C-O Axially Chiral Diaryl Ethers via NHC-Catalyzed Atroposelective Desymmetrization.

Shee, S.; Ranganathappa, S. S.; Gadhave, M. S.; Gogoi, R.; Biju, A. T.

Angew. Chem. Int. Ed. 2023, 62, e202311709. ChemRxiv. 2023, Preprint.

17. Oxygen vacancy mediated reactivity of CaO/CuO composite for the synthesis of amino-N-heterocycles

Karuppusamy, R.; Madampadi, R.; Shee, S.; Subramaniam, R.; Khan, T. S.; Gupta, S.; Haider, M. A.; Jagadeesan, D.

ChemCatChem 2023, e202301048.

16. NHC-Catalyzed Enantioselective Synthesis of Tetracyclic δ-Lactones by (4 + 2) Annulation of ortho-Quinodimethanes with Activated Ketones

Sarkar, D.; Barik, S.; Shee, S.; Gonnade, R. G.; Biju, A. T.

Org. Lett. 2023, 25, 7852-7857.

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15. N-Heterocyclic Carbene-Catalyzed Atroposelective Synthesis of N-N Axially Chiral 3-Amino Quinazolinones.

Balanna, K.; Barik, S.; Barik, S.; Shee, S.; Manoj, N.; Gonnade, R. G.; Biju, A. T.

ACS Catal. 2023, 13, 8752-8759.

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14. N-Heterocyclic Carbene-Catalyzed aza-Michael-Mannich-Lactamization Cascade for the Enantioselective Synthesis of Pyrazoloquinolin-3-ones.

Shee, S.; Sarkar, D.; Biju, A. T.

Org. Lett. 2023, 25, 220-225.

13. Enantioselective Synthesis of Dihydrothiopyranones via NHC-Catalyzed [3 + 3] Annulation of 2-Bromoenals with β-Oxodithioesters.

Barik, S.; Shee, S.; Gonnade, R. G.; Biju, A. T.

Org. Lett. 2022, 24, 8848-8853.

12. Dynamic Kinetic Resolution of γ,γ-Disubstituted Indole 2-Carboxaldehydes via NHC-Lewis Acid Cooperative Catalysis for the Synthesis of Tetracyclic ε-Lactones.

Balanna, K.; Barik, S.; Shee, S.; Gonnade, R. G.; Biju, A. T.

Chem. Sci. 2022, 13, 11513-11518.

Among the 2022 Chem.Sci. Pick of the Week Collection and 2022 Chem. Sci. HOT Article Collection

11. N-Heterocyclic Carbene-Catalyzed Umpolung of Cyclopent-4-ene-1,3-diones for Activated Olefin–Isatin Cross-Coupling.

Barik, S.; Shee, S.; Biju, A. T.

Org. Lett. 2022, 24, 6066-6071.

10. A Benzannulation Strategy for Rapid Access to Quinazoline-2,4-diones via Oxidative N-Heterocyclic Carbene Catalysis.

Ghosh, A.; Shee, S.; Biju, A. T.

Org. Lett. 2022, 24, 2772-2777.

9. Umpolung Organocatalytic Strategies – Beyond Classical Reactivity Patterns.

Shee, S.; Ghosh, A.; Biju, A. T.

In “Asymmetric Organocatalysis: New Strategies, and Opportunities“, Chapter 22, Editors: L. Albrecht, A. Albrecht, L. Dell’Amico

Wiley-VCH, 2022, In Press.

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8. Synthesis of Functionalized Dihydrocoumarins by NHC-Catalyzed [3+3] Annulation of Enals with 2-Substituted Naphthoquinones.

Shee, S.; Barik, S.; Ghosh, A.; Biju, A. T.

Org. Lett. 2021, 23, 8039-8044.

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7. Enantioselective Synthesis of Tetra-substituted Tetralines and Tetra-hydroindolizines via NHC-Catalyzed Azolium-Enolate Cascade.

Ghosh, A.; Barik, S.; Shee, S.; Biju, A. T.

Chem. Commun. 2021, 57, 7794-7797.

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6. Oxidative N-Heterocyclic Carbene (NHC) Catalysis for the Rapid Access to Functionalized Pyrrolo-oxazinones.

Ghosh, A.; Barik, S.; Barik, S.; Shee, S.; Biju, A. T.

Tetrahedron. 2021, 94, 132330.

Invited to the Special issue on System-Oriented Development of Organocatalysis

5. Enantioselective Synthesis of 5,6-Dihydroindolizines by N-Heterocyclic Carbene (NHC)-Catalyzed Core-Structure-Inspired Strategy of Azolium Enolate Cascade.

Ghosh, A.; Shee, S.; Barik, S.; Gonnade, R. G.; Biju, A. T.

Org. Lett. 2021, 23, 5223-5228.

4. NHC-Catalyzed Desymmetrization of N-Aryl Maleimides Leading to the Atroposelective Synthesis of N-Aryl Succinimides.

Barik, S.; Shee, S.; Das, S.; Gonnade, R. G.; Jindal, G.; Mukherjee, S.; Biju, A. T.

Angew. Chem. Int. Ed. 2021, 60, 12264-12268.

This article appears in ‘HOT Topic’: Organocatalysis; Highlighted in Synfacts 2021, 17, 691.

3. Enantioselective Synthesis of Tricyclic β‑Lactones by NHC-Catalyzed Desymmetrization of Cyclic 1,3-Diketones.

Shee, S.; Mukherjee, S.; Gonnade, R. G.; Biju, A. T.

Org. Lett. 2020, 22, 5407-5411.

Highlighted in Organic Chemistry Portal

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2. Catalytic, Enantioselective C2-Functionalization of 3-Aminobenzofurans Using N-Heterocyclic Carbenes.

Barik, S.; Shee, S.; Ghosh, A.; Biju, A. T.

Org. Lett. 2020, 22, 3865-3869.

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1. Enantioselective N-Heterocyclic Carbene-Catalyzed Cascade Reaction for the Synthesis of Pyrroloquinolines via N–H Functionalization of Indoles.

Mukherjee, S.; Shee, S.; Poisson, T.; Besset, T.; Biju, A. T.

Org. Lett. 2018, 20, 6998-7002.

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