(E)-6,6-diethoxy-1-(p-methoxyphenyl)-1-hexen-4-yn-3-ol 在
manganese dioxide
magnesium sulfate 、 silica gel 、 petroleum ether ether 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以whereupon (E)-6,6-diethoxy-1-(p-methoxyphenyl)-1-hexen-4-yn-3-one was obtained as a light yellowish oil的产率得到(E)-6,6-diethoxy-1-(p-methoxyphenyl)-1-hexen-4-yn-3-one