(S)-N-((S)-1-((2S,3R)-4-(2-(allyloxy)-5-methoxybenzylamino)-3-hydroxy-1-phenylbutan-2-ylamino)-1-oxopent-4-en-2-yl)-N,2-dimethylhexanamide trifluoroacetate 在
Hoveyda-Grubb's 2nd generation catalyst 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以49%的产率得到(S)-N-((6S,9S,10R)-9-benzyl-10-hydroxy-15-methoxy-7-oxo-2,5,6,7,8,9,10,11,12,13-decahydrobenzo[b][1,5,9]oxadiazacyclopentadecin-6-yl)-N,2-dimethylhexanamide trifluoroacetate