Photopromoted Free Radical Silylation of 2-Aryl-2-indazoles with Silanes.

J Org Chem

Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, State Key Laboratory of New Pharmaceutical Preparations and Excipients, College of Chemistry & Materials Science, and Key Laboratory of Chemical Biology of Hebei Province, Hebei University, Baoding, Hebei 071002, P. R. China.

Published: December 2023

Photoinduced silylation of silanes with 2-aryl-2-indazoles was developed under mild conditions, which could efficiently result in diverse 3-silylated 2-indazoles with good substrate scopes. A series of scaled-up to gram level and radical capture operations were performed in this system. Meanwhile, a bioactive molecule was tolerated well under typical conditions.

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Source
http://dx.doi.org/10.1021/acs.joc.3c02232DOI Listing

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