MetallaPhotoredox Catalysis with Organic Dyes

The use of organic dyes to promote organic reactions by photoredox catalysis is continuosly expanding, and was recently reviewed by Nicewicz. The synthesis of new dyes, their application in flow photoredox reactions, their use in stereoselective and multicomponent trasformations have considerably expanded the repertoir of application of organic dyes in photoredox mediated reactions. The minor costs of these dyes, their tailored synthesis and availability in combination with the development of new concepts and careful catalytic cycle design (made possible by the application of fine theoretical investigations and deep understanding) are guiding the widespread application of organic dyes in the metalla photoredox catalysis area. Developments, and recent applications of different metal catalyzed processes mediated by organic dyes, are covered by this review