Organophotoredox-Catalyzed Direct C-H Amination of 2H-Indazoles with Amines
Sukanya Neogi, Asim Kumar Ghosh, Koushik Majhi, Sadhanendu Samanta, Golam Kibriya and Alakananda Hajra*
*Department of Chemistry, Visva-Bharati (A Central University), Santiniketan 731235, India,
Email: alakananda.hajra
visva-bharati.ac.in
S. Neogi, A. K. Ghosh, K. Majhi, S. Samanta, G. Kibriya, A. Hajra, Org. Lett., 2020, 22, 5605-5609.
DOI: 10.1021/acs.orglett.0c01973
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Abstract
An organophotoredox-catalyzed oxidative coupling enables a general and practical C-H amination of 2H-indazoles with a series of amines including aliphatic primary amines, secondary amines, azoles, and sulfoximines at room temperature under ambient air conditions.
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Fluorination of 2H-Indazoles Using N-Fluorobenzenesulfonimide
P. Ghosh, A. Hajra, J. Org. Chem., 2021, 86, 10883-10888.
Key Words
2H-indazoles, organocatalysis, photochemistry
ID: J54-Y2020
