Cyclic vinyloxiranes react with Grignard reagents under copper catalysis. Highly efficient kinetic resolution is achieved with the new SimplePhos family of chiral phosphorus ligands. Stereodivergence could be exploited to get either the SN2 or SN2′ product with up to 96% ee.
环状
乙烯基环氧乙烷在
铜催化下与
格氏试剂反应。新型 SimplePhos 系列手性
磷配体可实现高效动力学拆分。可以利用立体发散来获得 SN2 或 SN2' 产品,其 ee 高达 96%。