乙酸酐 、
(Z)-7-[(1S,2R,3S,5R)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-3,5-dihydroxy-cyclopentyl]-hept-5-enoic acid methyl ester 在
吡啶 作用下,
生成 methyl (±)-(5Z)-7-{(1R*,2S*,3R*,5S*)-3,5-diacetoxy-2-[tert-butyl(diphenyl)silyloxymethyl]cyclopentyl}hept-5-enoate