3-methyl-2-butenyl 4-hydroxy-4-(4-methoxyphenyl)-2-butynoate 在
manganese dioxide
magnesium sulfate 、 silica gel 、 methylene chloride diethyl ether 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以There was obtained 3-methyl-2-butenyl 3-(4-methoxybenzoyl)propiolate as a yellow oil的产率得到3-methyl-2-butenyl 3-(4-methoxybenzoyl)propiolate