Organic Photoredox Catalyst with Substrate-capture Ability: A Perylene Derivative Bearing Urethane Moiety for Reductive Coupling of Ketones and Aldehydes under Visible Light

Abstract

A perylene derivative bearing a urethane moiety served as an efficient photoredox catalyst for the reductive coupling of ketones and aldehydes under visible light, implicating that the urethane moiety captured substrates through hydrogen bonds to lower the LUMO levels of the captured substrates, thus promoting single electron transfer from the reductant anion radical of the perylene moiety to the substrates.