1,4-环己二酮单乙二醇缩酮 、 Dimethylammonium methylene chloride 、
乙酰氯 、
乙醚 以
乙腈 为溶剂,
反应 3.0h,
以203 g (98% theoretical) 7-dimethylaminomethyl-1,4-dioxa-spiro[4.5]decan-8-one hydrochloride (64) were obtained in crystalline form的产率得到7-dimethylaminomethyl-1,4-dioxa-spiro[4.5]decan-8-one hydrochloride