乙酸酐 、
(1S,2S,3R,6S)-6-[[(2S,3R,4R,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-2-methoxyoxan-3-yl]amino]-4-(hydroxymethyl)cyclohex-4-ene-1,2,3-triol 以
吡啶 为溶剂,
以76%的产率得到Acetic acid (2R,3S,4R,5R,6S)-3-acetoxy-2-acetoxymethyl-6-methoxy-5-((1S,4R,5S,6S)-4,5,6-triacetoxy-3-acetoxymethyl-cyclohex-2-enylamino)-tetrahydro-pyran-4-yl ester