Acetic acid (1S,2S,3S)-3-[4-[(S)-5-allyloxy-2-(tert-butyl-dimethyl-silanyloxy)-pentyl]-2-(tert-butyl-dimethyl-silanyloxymethyl)-phenyl]-2-(3-allyloxy-propyl)-2-methyl-cyclopentyl ester 在
palladium on activated charcoal 、
Grubbs catalyst first generation 氢气 、
sodium carbonate 作用下,
以
二氯甲烷 、
乙酸乙酯 为溶剂,
反应 6.5h,
生成 Acetic acid (2S,5S,6S,19S)-19-(tert-butyl-dimethyl-silanyloxy)-23-(tert-butyl-dimethyl-silanyloxymethyl)-6-methyl-10,15-dioxa-tricyclo[19.2.2.0
2,6]pentacosa-1(24),21(25),22-trien-5-yl ester