三乙基硅基三氟甲磺酸酯 、
乙酸酐 、
(2S,4S)-1-[2-[[(4S,6S)-6-[2-[(4-methoxyphenyl)methoxy]ethyl]-2,2-dimethyl-1,3-dioxan-4-yl]methyl]-1,3-dithian-2-yl]-2-methyl-6-methylideneoct-7-ene-2,4-diol 生成 Acetic acid (2S,4S,6R,8S,10S)-2-[2-(4-methoxy-benzyloxy)-ethyl]-10-methyl-8-(2-methylene-but-3-enyl)-10-triethylsilanyloxy-1,7-dioxa-spiro[5.5]undec-4-yl ester