乙酸酐 、 N-[(2S,4aR,6R,7S,8R,8aR)-8-Benzyloxy-6-((1R,2S,6S,7R,8R)-4,4-dimethyl-3,5,10,11-tetraoxa-tricyclo[6.2.1.0
2,6]undec-7-yloxy)-2-phenyl-hexahydro-benzo[1,3]dioxin-7-yl]-acetamide 在
硫酸 作用下,
以
溶剂黄146 为溶剂,
反应 48.0h,
以34%的产率得到Acetic acid (3S,4S,5R,6R)-2,3-diacetoxy-5-((1R,2S,3R,4R,5R)-4-acetoxy-5-acetoxymethyl-2-acetylamino-3-benzyloxy-cyclohexyloxy)-6-acetoxymethyl-tetrahydro-pyran-4-yl ester