rac-4-{3-[4-(2-ethoxycarbonylmethyl-pyrrolidinocarbonyl)-3-methyl-phenyl]-propargylamino}benzamidine 在
lithium hydroxide 、 ammonium chloride 作用下,
以53%的产率得到rac-4-{3-[4-(2-hydroxycarbonylmethyl-pyrrolidinocarbonyl)-3-methyl-phenyl]-propargylamino}benzamidine