(1S,2S,3S)-1-[(2S,3R,4S,5R,6S)-5-Azido-6-(tert-butyl-dimethyl-silanyloxy)-3,4-bis-methoxymethoxy-tetrahydro-pyran-2-yl]-4-(tert-butyl-diphenyl-silanyloxy)-butane-1,2,3-triol 在
吡啶 、
4-二甲氨基吡啶 、 camphor-10-sulfonic acid 作用下,
生成 Acetic acid (4R,5S,6S)-4-[(2R,3R,4S,5R,6S)-5-azido-6-(tert-butyl-dimethyl-silanyloxy)-3,4-bis-methoxymethoxy-tetrahydro-pyran-2-yl]-6-(tert-butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-[1,3]dioxan-5-yl ester