Tandem Visible Light-Mediated Radical Cyclization–Divinylcyclopropane Rearrangement to Tricyclic Pyrrolidinones Joseph W. Tucker Corey R. J. Stephenson 10.1021/ol202178t.s001 https://acs.figshare.com/articles/journal_contribution/Tandem_Visible_Light_Mediated_Radical_Cyclization_Divinylcyclopropane_Rearrangement_to_Tricyclic_Pyrrolidinones/2597491 Visible light promoted single electron reduction of bromocyclopropyl cyclization scaffolds enabled by photoredox catalysis initiates a novel tandem radical cyclization/sigmatropic rearrangement to generate tricyclic pyrrolidinones having considerable molecular complexity from simple, readily available starting materials. Furthermore, subtle variations to substrate structure afford a wide array of reaction diversity. 2011-10-21 00:00:00 Tricyclic PyrrolidinonesVisible light Cyclization reaction diversity array substrate structure bromocyclopropyl cyclization scaffolds tricyclic pyrrolidinones material variation novel tandem Rearrangement Radical complexity rearrangement photoredox catalysis electron reduction