Visible‐light photoredox catalyzed synthesis of tetrahydrobenzofuranone: Oxidative [3 + 2] cycloaddition of dicarbonyl and alkene
Kartikey,
Deepali Jaiswal,
Shailesh Singh
et al.
Abstract:Visible‐light‐mediated formation of tetrahydrobenzofuranone by direct oxidative [3 + 2] cycloaddition via coupling between dimedone and chalcone using eosin‐Y as a photoredox catalyst has been reported. The reaction takes place by a radical pathway as evidenced from our experiments and literature. The developed method involves the utilization of visible‐light photoredox catalysis for the formation of C‐C and C‐O bond via abstraction of methylinic hydrogen of dimedone and β‐carbon of chalcone as well as couplin… Show more
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