Regioselective Photocatalytic Dialkylation/Cyclization Sequence of 3‐Aza‐1,5‐dienes: Access to 3,4‐Dialkylated 4‐Pyrrolin‐2‐ones
Xiao Hu, Minglin Tao, Zhongxiao Ma, Yi Zhang, Yanni Li, Deqiang Liang
Abstract
Abstract A visible‐light‐induced regioselective tandem enamido β‐C( sp 2 )−H alkylation/acrylamido alkylation/cyclizative alkenylation sequence of 3‐aza‐1,5‐dienes is presented. This protocol is regiospecific, features a broad substrate scope, and provides a direct access to 3,4‐dialkylated 4‐pyrrolin‐2‐ones from readily available N ‐alkenylacrylamides. It is readily scalable to a gram scale, and could be induced by natural sunlight. magnified image
Topics & Concepts
RegioselectivityChemistryTandemAlkylationSubstrate (aquarium)Sequence (biology)Combinatorial chemistryPhotocatalysisStereochemistryOrganic chemistryCatalysisBiochemistryOceanographyComposite materialGeologyMaterials scienceRadical Photochemical ReactionsFluorine in Organic ChemistryCatalytic C–H Functionalization Methods