乙酸酐 、
[(1S,4R,4aR,5S,7R,8S,8aR)-5-acetyloxy-8-[2-(furan-3-yl)ethyl]-1-hydroxy-7,8-dimethylspiro[2,3,5,6,7,8a-hexahydro-1H-naphthalene-4,2'-oxirane]-4a-yl]methyl acetate 在
吡啶 作用下,
反应 48.0h,
生成 [(1S,4R,4aR,5S,7R,8S,8aR)-1,5-diacetyloxy-8-[2-(furan-3-yl)ethyl]-7,8-dimethylspiro[2,3,5,6,7,8a-hexahydro-1H-naphthalene-4,2'-oxirane]-4a-yl]methyl acetate