Carbonic acid (4aR,6S,7R,8S,8aR)-8-ethoxycarbonyloxy-6-{3-hydroxy-2-[3-(4-methoxy-phenyl)-propionyl]-phenoxy}-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester ethyl ester 在
溶剂黄146 作用下,
反应 2.0h,
生成 [(2S,3R,4S,5R,6R)-3-ethoxycarbonyloxy-5-hydroxy-2-[3-hydroxy-2-[3-(4-methoxyphenyl)propanoyl]phenoxy]-6-(hydroxymethyl)oxan-4-yl] ethyl carbonate