1,4-di[(N-(1-methoxycarbonyl)methylamino-2-oxoethyl)-2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl-(1->3)-2,4-di-O-acetyl-1-O-allyl-α-D-glucopyranuronamido]benzene 在
甲醇 、
potassium cyanide 作用下,
以
甲醇 为溶剂,
反应 20.0h,
以25%的产率得到2-[[2-[4-[[2-(carboxymethylamino)-2-oxoethyl]-[(2S,3S,4S,5R,6S)-3,5-dihydroxy-6-prop-2-enoxy-4-[(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxane-2-carbonyl]amino]-N-[(2S,3S,4S,5R,6S)-3,5-dihydroxy-6-prop-2-enoxy-4-[(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxane-2-carbonyl]anilino]acetyl]amino]acetic acid