2-[(2R,4S,5R,6R)-4-acetyloxy-5-(diacetylamino)-6-[(1S,2R)-1,3-diacetyloxy-2-methoxypropyl]-2-methoxycarbonyloxan-2-yl]oxyacetic acid 、 (2S,4S,5R,6R)-4-Acetoxy-2-[(2R,3S,4S,5R,6S)-3-acetoxy-5-benzyloxy-2-benzyloxymethyl-6-(4-methoxy-phenoxy)-tetrahydro-pyran-4-yloxy]-5-amino-6-((1S,2R)-1,2,3-triacetoxy-propyl)-tetrahydro-pyran-2-carboxylic acid methyl ester 在
碳酸氢钠 、
1-羟基苯并三唑 、
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 作用下,
以
乙腈 为溶剂,
反应 10.0h,
以88%的产率得到methyl (2S,4S,5R,6R)-4-acetyloxy-5-[[2-[(2R,4S,5R,6R)-4-acetyloxy-5-(diacetylamino)-6-[(1S,2R)-1,3-diacetyloxy-2-methoxypropyl]-2-methoxycarbonyloxan-2-yl]oxyacetyl]amino]-2-[(2S,3R,4S,5S,6R)-5-acetyloxy-2-(4-methoxyphenoxy)-3-phenylmethoxy-6-(phenylmethoxymethyl)oxan-4-yl]oxy-6-[(1S,2R)-1,2,3-triacetyloxypropyl]oxane-2-carboxylate