[(2R,3R,4R,6S)-2-methyl-4-[(2S,4R,5R,6R)-6-methyl-4-[(2S,5S,6S)-6-methyl-5-(4-oxopentanoyloxy)oxan-2-yl]oxy-5-[2-(4-nitrophenyl)ethylsulfonyloxy]oxan-2-yl]oxy-6-[4-(2-trimethylsilylethoxymethoxy)phenoxy]oxan-3-yl] benzoate 在
ammonium cerium (IV) nitrate 、
caesium carbonate 作用下,
以
二氯甲烷 、
水 、
乙腈 为溶剂,
反应 3.0h,
生成 [(2R,3R,4R)-2-methyl-4-[(2S,4R,5R,6R)-6-methyl-4-[(2S,5S,6S)-6-methyl-5-(4-oxopentanoyloxy)oxan-2-yl]oxy-5-[2-(4-nitrophenyl)ethylsulfonyloxy]oxan-2-yl]oxy-6-(2,2,2-trichloroethanimidoyl)oxyoxan-3-yl] benzoate