(2R,3R,4R,5R,6S)-5-acetamido-6-(2-(2-(N-(2-(((2S,3R,4R,5R,6R)-3-acetamido-4,5-diacetoxy-6-(acetoxymethyl)tetrahydro-2H-pyran-2-yl)oxy)ethyl)acetamido)-N-(2-(tert-butoxy)-2-oxoethyl)acetamido)ethoxy)-2-(acetoxymethyl)tetrahydro-2H-pyran-3,4-diyl diacetate 在
sodium methylate 、
三氟乙酸 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 2.0h,
生成 2-[2-[(2S,3R,4R,5R,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyethyl-[2-[2-[(2S,3R,4R,5R,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyethyl-acetylamino]acetyl]amino]acetic acid