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2026

N-Heterocyclic Carbene (NHC)-Catalyzed Synthesis of Atropisomers Beyond the C–C Axial Chirality.

Barik, S.; Ranganathappa, S.; Shee, S.; Balanna, K.; Biju, A. T.

Manuscript submitted

2026

Enantioselective Synthesis of P(V)-Stereogenic Phosphacycles by N-Heterocyclic Carbene (NHC) -Catalyzed Desymmetric Annulation.

Barik, S.; Mukhopadhyay, S.; Gogoi, R.; Biju, A. T.

Manuscript submitted.

2025

N-Heterocyclic Carbene (NHC) Organocatalysis: From Fundamentals to Frontiers.

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

Chem. Soc. Rev. 2025, 54, 1102-1124.

2025

Control Over S(VI)-Stereogenic Center: NHC-Catalyzed Enantioselective Synthesis of N-Acyl Cyclic Sulfonimidamides.

Barik, S.; Paravakkal, F. D.; Gupta, P.; Roy, P.; Biju, A. T.

Angew. Chem. Int. Ed. 2025, 64, e202506929.

2024

N-Heterocyclic Carbene-Catalyzed Imine Umpolung/Semipinacol Rearrangement Cascade for the Synthesis of Indoxyls.

Das, R. C.; Barik, S.; Kunhiraman, A. A.; Goswami, A.; Mondal, A.; De, M.; Biju, A. T.

ACS Catal. 2024, 14, 4202.

2024

Dehury, B. S.; Barik, S.; Sankar, G.; Biju, A. T.* (2024): Access to β-Keto Amino Acid Derivatives via Interrupted Polonovski Strategy Involving NHC-Catalyzed Aza Benzoin Reaction.

Dehury, B. S.; Barik, S.; Sankar, G.; Biju, A. T.

Org. Lett. 2024, 26, 10690

2024

N-Heterocyclic Carbene-Catalyzed
Atroposelective Synthesis of N-Aryl Phthalimides and Maleimides via Activation of Carboxylic Acids.

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

Nat. Commun. 2024, 15, 5755

2023

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

2023

Nucleophilic Acylation-Annulation Cascade of 2-Chlorobenzonitriles using Aldehydes Triggered by N-Heterocyclic Carbenes.

Gadhave, M. S.; Barik, S.; Wessels, F.; Biju, A. T.

Org. Lett. 2023, 25, 8314

2022

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

2022

Kinetic Resolution Approach to the Synthesis of C-N Axially Chiral N-Aryl Aminomaleimides via NHC-Catalyzed [3+3] Annulation.

Barik, S.; Das, R. C.; Balanna, K.; Biju, A. T.*

Org. Lett. 2022, 24, 5456

2021

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

2021

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

2021

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.

2019

NHC-Catalyzed (3+3) Annulation of Thioamides and Modified Enals for the Enantioselective Synthesis of Functionalized Thiazinones.

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

Org. Lett. 2019, 21, 8598

Postdoctoral Research Associate, University of Münster  
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