1-methyl-2-[N-(4-amidinophenyl)-aminomethyl]-benzimidazol-5-yl-carboxylic acid-N-phenyl-N-[(N-ethoxycarbonylethyl-N-methyl)-2-aminoethyl]-amide-dihydrochloride 在
sodium hydroxide 作用下,
以79%的产率得到1-Methyl-2-[N-(4-amidinophenyl)-aminomethyl]-benzimidazol-5-yl-carboxylic acid-N-phenyl-N-[(N-hydroxycarbonylethyl-N-methyl)-2-aminoethyl]-amide-hydrochloride