Diethylzinc‐Mediated Cross‐Coupling Reactions between Dibromoketones and Monobromo Carbonyl Compounds
作者:Aika Takeshima、Taichi Kano
DOI:10.1002/anie.202217496
日期:2023.2.13
Chiral 1,4-dicarbonyl compounds can be obtained via the enantioselective bromination of aldehydes and subsequent cross-coupling reactions between the resulting chiral α-bromoaldehydes and α,α-dibromoketones. This cross-coupling reaction is enabled by the chemoselective formation of zinc enolates from α,α-dibromoketones in the presence of α-bromocarbonyl compounds.
手性 1,4-二羰基化合物可以通过醛类的对映选择性溴化反应以及所得手性 α-溴醛和 α,α-二溴酮之间的后续交叉偶联反应获得。这种交叉偶联反应是通过在 α-溴羰基化合物存在下从 α,α-二溴酮化学选择性形成烯醇锌来实现的。