2-(2-methoxyethoxy)ethyl (E)-4-hydroxy-6-(4-methoxyphenyl)-5-hexen-2-ynoate 在
manganese dioxide
magnesium sulfate 、
hexane-diethyl ether 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以yielded 2-(2-methoxyethoxy)ethyl (E)-6-(4-methoxyphenyl)-4-oxo-5-hexen-2-ynoate of melting point 41°-42°的产率得到2-(2-methoxyethoxy)ethyl (E)-6-(4-methoxyphenyl)-4-oxo-5-hexen-2-ynoate