三甲基氯硅烷 、
[(2R,3R,5R,7R,8R,9S)-9-[2-(benzenesulfonyl)ethyl]-7-[tert-butyl(dimethyl)silyl]oxy-2-[(1S)-2-[(4S,5S,6R)-6-[(2R)-1-[tert-butyl(dimethyl)silyl]oxypropan-2-yl]-2,2,5-trimethyl-1,3-dioxan-4-yl]-1-methoxyethyl]-4,4,8-trimethyl-1,10-dioxaspiro[4.5]decan-3-yl] bis(2-trimethylsilylethyl) phosphate 在
吡啶 、
氢氟酸 、
三乙胺 作用下,
生成 [(2R,3R,5R,7R,8R,9S)-9-[2-(benzenesulfonyl)ethyl]-7-[tert-butyl(dimethyl)silyl]oxy-2-[(1S)-1-methoxy-2-[(4S,5S,6R)-2,2,5-trimethyl-6-[(2R)-1-trimethylsilyloxypropan-2-yl]-1,3-dioxan-4-yl]ethyl]-4,4,8-trimethyl-1,10-dioxaspiro[4.5]decan-3-yl] bis(2-trimethylsilylethyl) phosphate