ethyl (5Z,7E,14Z)-9-[tert-butyl(diphenyl)silyl]oxy-12-diazo-11-oxoicosa-5,7,14-trienoate 在
N,N'-ethylenebis(salicylideneiminato)copper(II) 作用下,
以
甲苯 为溶剂,
以55%的产率得到ethyl (Z)-6-[(1R,4S,5S,6S)-4-[tert-butyl(diphenyl)silyl]oxy-1-[(Z)-oct-2-enyl]-2-oxo-6-bicyclo[3.1.0]hexanyl]hex-5-enoate