A highly regioselective and enantioselective copper-catalyzed 1,4-conjugate addition of Grignard reagents to linear α,β,γ,δ-unsaturated ketones was developed. The 1,4-addition products were obtained regioselectively in high yields with up to 98% ee.
研究人员开发了一种高区域选择性和对映体选择性的
铜催化
格氏试剂与线性δ,δ²,δ³,δ-不饱和酮的 1,4-共轭加成反应。1,4-加成产物以高收率获得,ee高达 98%。