乙酸酐 、
(2R,3S,4R,5S,6R)-4-氨基-2-[(2R,3S,4R,5S,6R)-4-氨基-3,5-二羟基-6-(羟基甲基)四氢吡喃-2-基]氧基-6-(羟基甲基)四氢吡喃-3,5-二醇 在
吡啶 作用下,
生成 Acetic acid (2R,3S,4R,5S,6R)-5-acetoxy-6-acetoxymethyl-4-acetylamino-2-((2R,3S,4R,5S,6R)-3,5-diacetoxy-6-acetoxymethyl-4-acetylamino-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-3-yl ester