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Selected Recent Publications
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Asymmetric Alkynylation/Lactamization Cadcade: An Expeditious Entry to
Enantiomerically Enriched Isoindolinones, V. Bisai, A. Suneja, and V.K.
Singh, Angew. Chem. Int. Ed. 2014, 53, 10737.
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Organocatalytic enantio- and diastereoselective synthesis of highly substituted
δ-lactones via a Michael-cyclization cascade, S. Agrawal, N. Molleti, and
V.K. Singh, Chem. Commun., 2015, 51, 9793.
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An Asymmetric Vinylogous Mukaiyam-Michael Reaction of α,β-Unsaturated
2-Acyl Imidazoles Catalyzed by Chiral Sc (III) or Eu (III)-Pybox Complexes,
S. Rout, A. Das, and V.K. Singh Chem. Commun. 2017, 53, 5143.
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A chiral Bronsted acid catalyzed highly enantioselective Mannich-type
reaction of α-diazoesters with in situ generated N-acyl ketimines, R.A.
Unhale, M.M. Sadhu, S.K. Ray, R.G. Biswas, and V.K. Singh. Chem.
Commun. 2018, 54, 3516.
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A General Catalytic Route to Enantioenriched Isoindolinones and Phthalides:
Application in the Synthesis of (S)-PD 172938, S.K. Ray, M.M. Sadhu, R.G.
Biswas, R.A. Unhale, and V.K. Singh, Org. Lett. 2019, 21, 417.
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Organocatalytic Asymmetric Hetero-Diels−Alder Reaction of in Situ
Generated Dienes: Access to α,β-Unsaturated δLactones Featuring
CF3 Substituted Quaternary Stereocenter, H. Joshi, A. Yadav, A. Das, V.K.
Singh J. Org. Chem. 2020, 85, 3202.
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Organocatalytic Asymmetric Cascade Michael-acyl Transfer Reaction between 2-Fluoro-1,3-diketones and Unsaturated Thiazolones: Access to Fluorinated 4-Acyloxy Thiazoles, R.G. Biswas, S.K. Ray, R.A. Unhale, V.K. Singh, Org. Lett. 2021, 23, 6504.
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Cu-Catalyzed Chemodivergent, Stereoselective Propargylic Dearomatization and Etherification of 2-Naphthols, B.G. Das, S. Shah, A. Das, V.K. Singh, Org. Lett. 2021, 23, 6262.
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Cinchona Derivatives as bifunctional H-bonding organocatalysts in asymmetric vinylogous conjugate addition reactions, H. Joshi and V.K. Singh, Asian J. Org. Chem. 2022, 00, 00).
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