tert-butyl (5S,6S,8S)-4,8-bis(ethenyl)-6-[4-[(4-methoxyphenyl)methoxy]butyl]-2-oxo-1-oxa-7-azaspiro[4.4]non-3-ene-7-carboxylate 在
Hoveyda-Grubbs catalyst second generation 作用下,
以
四氢呋喃 为溶剂,
反应 24.0h,
以0.032 g的产率得到tert-butyl (1S,8S,10S)-10-[4-[(4-methoxyphenyl)methoxy]butyl]-3-oxo-2-oxa-9-azatricyclo[6.2.1.01,5]undeca-4,6-diene-9-carboxylate