(S)-2-[1-(4-Methylsulfanylcarbonimidoyl-benzyl)-2-oxo-2-piperidin-1-yl-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65%的产率得到(S)-2-[1-(4-Carbamimidoyl-benzyl)-2-oxo-2-piperidin-1-yl-ethylcarbamoyl]-pyrrolidine-1-carboxylic acid benzyl ester; hydriodide