3-[5-(2,3-epoxy-5-hydroxy-4-methylhexyl)-3,4-dihydroxytetrahydropyran-2-yl]propan-2-one 、
磷酰基乙酸三乙酯 以
四氢呋喃 、
甲醇 、
氯仿 为溶剂,
生成 ethyl 4-[3,4-dihydroxy-5-(2,3-epoxy-5-hydroxy-4-methylhexyl)-2,3,5,6-tetrahydropyran-2-yl]-3-methylbut-2Z-enoate 、
ethyl 4-[3,4-dihydroxy-5-(2,3-epoxy-5-hydroxy-4-methylhexyl)-2,3,5,6-tetrahydropyran-2-yl]-3-methylbut-2E-enoate