ethyl 3-(chloromethyl)-azetidine-3-carboxylate hydrochloride 、
4-氯苯甲酰氯 在
ethyl 1-(4-chlorobenzoyl)-3-(chloromethyl)-azetidine-3-carboxylate 作用下,
以to afford the title compound as a clear oil in 76% yield, 558 mg的产率得到ethyl 1-(4-chlorobenzoyl)-3-(chloromethyl)-azetidine-3-carboxylate