(S)-2-[1-Butylcarbamoyl-2-(4-methylsulfanylcarbonimidoyl-phenyl)-ethylcarbamoyl]-pyrrolidine-1-carboxylic acid benzyl ester; hydriodide 在
ammonium acetate 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以60%的产率得到(S)-2-[1-Butylcarbamoyl-2-(4-carbamimidoyl-phenyl)-ethylcarbamoyl]-pyrrolidine-1-carboxylic acid benzyl ester; hydriodide