报道了一类1，1-二取代炔丙醇（1）氯代产物与4-甲基-7-羟基香豆素反应的异常缩合产物。

This paper reported a kind of unusual products from the reaction of chlorides of 1,1-disubstitutedpropargyl alcohols with 4-methyl-7-hydroxycoumarin.

youdao

报道了一类1，1-二取代炔丙醇（1）氯代产物与4-甲基-7-羟基香豆素反应的异常缩合产物。

This paper reported a kind of unusual products from the reaction of chlorides of 1,1-disubstitutedpropargyl alcohols with 4-methyl-7-hydroxycoumarin.

youdao