Two exceptionally short and effective asymmetric syntheses of N-BOC-CBI are detailed based on an asymmetric hydroboration (80% ee) or Jacobsen epoxidation (92% ee) of a 3,4-dihydrobenzo[f]quinoline followed by direct, transannular spirocyclization for introduction of the activated cyclopropane.
基于 3,4-二氢苯并[f]
喹啉的不对称
硼氢化 (80% ee) 或 Jacobsen 环氧化 (92% ee),然后进行直接跨环螺环化,详细介绍了两种极其简短且有效的 N-BOC-CBI 不对称合成用于引入活化的
环丙烷。