methyl 3-[(3aR,5S,6R,6aR)-6-methoxy-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-5-yl]-3-bromo-2-oxopropanoate 、
三甲氧基磷 以
甲苯 为溶剂,
反应 3.5h,
生成 methyl (Z)-3-[(3aR,5R,6S,6aR)-6-methoxy-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-5-yl]-2-[dimethoxy(oxido)phosphaniumyl]oxyprop-2-enoate 、 (E)-2-(Dimethoxy-phosphoryloxy)-3-((3aR,5R,6S,6aR)-6-methoxy-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-acrylic acid methyl ester