1-[4-(N-{2-dimethylaminoethyl}amino)benzoyl]-4-[2-(4-chlorophenyl)ethyl]-piperazine 、
氯乙酰氯 以yielding 1-{4-[N-(2-dimethylaminoethyl)-N-chloroacetylamino]benzoyl}-4-[2(4-chlorophenyl)ethyl]piperazine的产率得到1-{4-[N-(2-dimethylaminoethyl)-N-chloroacetylamino]benzoyl}-4-[2(4-chlorophenyl)ethyl]piperazine