[(4aR,6S,7R,8S,8aR)-6-methoxy-2-phenyl-7-prop-2-enoxycarbonyloxy-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-8-yl] prop-2-enyl carbonate 在
溶剂黄146 作用下,
反应 15.0h,
以85%的产率得到Carbonic acid allyl ester (2S,3R,4S,5R,6R)-4-allyloxycarbonyloxy-5-hydroxy-6-hydroxymethyl-2-methoxy-tetrahydro-pyran-3-yl ester