methyl (2S,4S,5R,6R)-4-acetyloxy-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]-5-(2,2,2-trichloroethoxycarbonylamino)oxane-2-carboxylate 在
溶剂黄146 、
锌 作用下,
以
1,4-二氧六环 为溶剂,
反应 24.0h,
以78%的产率得到(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-acetylamino-6-((1R,2R)-1,3-diacetoxy-2-hydroxy-propyl)-tetrahydro-pyran-2-carboxylic acid methyl ester