[(2R,3S,5R)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-5-[3-[[1-[(2R,4S,5R)-4-[tert-butyl(dimethyl)silyl]oxy-5-[[tert-butyl(dimethyl)silyl]oxymethyl]oxolan-2-yl]-4-nitrobenzimidazol-5-yl]methyl]-5-methyl-2,4-dioxopyrimidin-1-yl]oxolan-3-yl] acetate 在
palladium on activated charcoal
氢气 、
sodium acetate 作用下,
以
甲醇 为溶剂,
以94%的产率得到[(2R,3S,5R)-5-[3-[[4-amino-1-[(2R,4S,5R)-4-[tert-butyl(dimethyl)silyl]oxy-5-[[tert-butyl(dimethyl)silyl]oxymethyl]oxolan-2-yl]benzimidazol-5-yl]methyl]-5-methyl-2,4-dioxopyrimidin-1-yl]-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]oxolan-3-yl] acetate