Copper(I)-catalysed conjugate addition of in situ prepared alkylzirconocenes to α,β-unsaturated N-acyl oxazolidinones followed by enolate trapping provided up to three new stereocentres with excellent diastereoselectivities.
铜(I)催化原位制备的烷基
锆烯烃与 α、β-不饱和 N-酰基
噁唑烷酮的共轭加成,然后进行烯醇捕获,以优异的非对映选择性提供了多达三个新的立体中心。