Acetic acid (2S,3R,4S,6S)-3-acetoxy-6-[(2S,3R,4S)-4-(tert-butyl-dimethyl-silanyloxy)-2-methyl-3,4-dihydro-2H-pyran-3-yloxy]-2-methyl-tetrahydro-pyran-4-yl ester 在
六羰基钨 4-二甲氨基吡啶 、 camphor-10-sulfonic acid 、
二异丁基氢化铝 、
三乙胺 作用下,
以
四氢呋喃 、
二氯甲烷 、
甲苯 为溶剂,
反应 29.0h,
生成 Acetic acid (2S,3R,4S,6S)-3-acetoxy-6-{(2S,3R,4S,6S)-4-(tert-butyl-dimethyl-silanyloxy)-6-[(2S,3R,4S)-4-(tert-butyl-dimethyl-silanyloxy)-2-methyl-3,4-dihydro-2H-pyran-3-yloxy]-2-methyl-tetrahydro-pyran-3-yloxy}-2-methyl-tetrahydro-pyran-4-yl ester