乙酸酐 、
(2R,3S,4S,5S)-2-(hydroxymethyl)-6-(methoxy(((2R,3S,4S,5R,6S)-3,4,5-trihydroxy-6-methoxytetrahydro-2H-pyran-2-yl)methyl)amino)tetrahydro-2H-pyran-3,4,5-triol 在
吡啶 、
4-二甲氨基吡啶 作用下,
生成 Acetic acid (2S,3S,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-[methoxy-((2R,3R,4S,5R,6S)-3,4,5-triacetoxy-6-methoxy-tetrahydro-pyran-2-ylmethyl)-amino]-tetrahydro-pyran-3-yl ester 、 Acetic acid (2R,3S,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-[methoxy-((2R,3R,4S,5R,6S)-3,4,5-triacetoxy-6-methoxy-tetrahydro-pyran-2-ylmethyl)-amino]-tetrahydro-pyran-3-yl ester