1-[2-(Alloyloxy)ethyl]-2-chlorobenzimidazole 、
N-甲基高哌嗪 、
富马酸 在
乙醇乙酸乙酯 作用下,
以to give 1-[2-(allyloxy)ethyl]-2-(4-methyl-1-homopiperazinyl)benzimidazole difumarate (3.85 g) as colorless needles, m.p. 144.5°-146.5° C.的产率得到1-(2-(Allyloxy)ethyl)-2-(4-methyl-1-homopiperazinyl)benzimidazole difumarate