Copper catalyzed borylative cyclization of 3-arylallyl carbamoyl chloride with B2pin2: Stereoselective synthesis of cis-2-aryl-3-boryl-γ-lactams
2021
Abstract Borylative cyclization of E-3-arylallyl carbamoyl chlorides is achieved through copper catalyzed intramolecular carboboration with B2Pin2. 2-Aryl-3-boryl-γ-lactams are formed with exclusive cis-diastereoselectivity. CuBr-Dppp combination gives the best outcomes. The substrate scope is profiled.
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