Catalytic Enantioselective Synthesis of 1,4‐Keto‐Alkenylboronate Esters and 1,4‐Dicarbonyls
作者:Michael Z. Liang、Simon J. Meek
DOI:10.1002/anie.201907757
日期:2019.10
catalytic enantioselective method for the synthesis of 1,4-keto-alkenylboronate esters by a rhodium-catalyzed conjugate addition pathway is disclosed. A variety of novel, bench-stable alkenyl gem-diboronate esters are synthesized. These easily accessible reagents react smoothly with a collection of cyclic α,β-unsaturatedketones, generating a new C-C bond and stereocenter. Products are isolated in up to