(2S,4S,5R,6R)-4-Acetoxy-2-[(2R,3R,4S,5R,6R)-3-acetoxy-2-acetoxymethyl-5-benzoyloxy-6-(2-trimethylsilanyl-ethoxy)-tetrahydro-pyran-4-yloxy]-5-acetylamino-6-((1S,2R)-1,2,3-triacetoxy-propyl)-tetrahydro-pyran-2-carboxylic acid methyl ester 在
三氟乙酸 作用下,
生成 (2S,4S,5R,6R)-4-Acetoxy-2-[(2R,3R,4S,5R)-3-acetoxy-2-acetoxymethyl-5-benzoyloxy-6-(2,2,2-trichloro-acetimidoyloxy)-tetrahydro-pyran-4-yloxy]-5-acetylamino-6-((1S,2R)-1,2,3-triacetoxy-propyl)-tetrahydro-pyran-2-carboxylic acid methyl ester