1-{(2S)-4-cyano-2-[2-prop-2-enyl-6-(1,1,2,2-tetramethyl-1-silapropoxy)phenylcarbonyl-oxy]butyl}-(1R,2S)-2-methylpent-4-enyl 4-nitrobenzoate 在
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
生成 4-Nitro-benzoic acid (Z)-(7S,9R,10S)-4-(tert-butyl-dimethyl-silanyloxy)-7-(2-cyano-ethyl)-10-methyl-5-oxo-7,8,9,10,11,14-hexahydro-5H-6-oxa-benzocyclododecen-9-yl ester 、 4-Nitro-benzoic acid (E)-(7S,9R,10S)-4-(tert-butyl-dimethyl-silanyloxy)-7-(2-cyano-ethyl)-10-methyl-5-oxo-7,8,9,10,11,14-hexahydro-5H-6-oxa-benzocyclododecen-9-yl ester