[(1S,2S,4R,4aR,6S,8S,8aS)-4-[(2R)-1-[tert-butyl(dimethyl)silyl]oxy-3-methylbutan-2-yl]-8-[(2S)-1-[tert-butyl(dimethyl)silyl]oxypropan-2-yl]-6-[tert-butyl(diphenyl)silyl]oxyspiro[3,4,4a,5,6,7,8,8a-octahydro-1H-naphthalene-2,2'-oxirane]-1-yl] acetate 在
吡啶 、
sodium acetate 作用下,
以
乙二醇甲醚 为溶剂,
反应 52.0h,
生成 [(1S,2S,4R,4aR,6S,8S,8aS)-1,2-diacetyloxy-4-[(2R)-1-[tert-butyl(dimethyl)silyl]oxy-3-methylbutan-2-yl]-8-[(2S)-1-[tert-butyl(dimethyl)silyl]oxypropan-2-yl]-6-[tert-butyl(diphenyl)silyl]oxy-3,4,4a,5,6,7,8,8a-octahydro-1H-naphthalen-2-yl]methyl acetate