Issue 42, 2023

Visible light induced regioselective C-3 thiocyanation of imidazoheterocycles through naphthalimide dye based photoredox catalysis

Abstract

A visible light induced C-3 thiocyanation of imidazo[1,2-a]pyridines by using a naphthalimide based photoredox catalyst has been reported. Tolerance of electron withdrawing and donating groups at different positions of the imidazo[1,2-a]pyridine ring led to a wide substrate accessibility of this method. This methodology is further reproducible with other heterocycles like benzo[d]imidazo[2,1-b]thiazoles, indoles, azaindoles, and anilines.

Graphical abstract: Visible light induced regioselective C-3 thiocyanation of imidazoheterocycles through naphthalimide dye based photoredox catalysis

Supplementary files

Article information

Article type
Communication
Submitted
09 Jul 2023
Accepted
09 Oct 2023
First published
10 Oct 2023

Org. Biomol. Chem., 2023,21, 8471-8476

Visible light induced regioselective C-3 thiocyanation of imidazoheterocycles through naphthalimide dye based photoredox catalysis

P. Saha, R. Kumar, S. Das, T. Ansari, A. Indra and D. K. Sharma, Org. Biomol. Chem., 2023, 21, 8471 DOI: 10.1039/D3OB01100C

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