[(S)-1-[(R)-1-({[(S)-1-Benzyl-2-(N'-butyryl-hydrazino)-2-oxo-ethylcarbamoyl]-methyl}-carbamoyl)-3-methanesulfinyl-propylcarbamoyl]-2-(4-hydroxy-phenyl)-ethyl]-carbamic acid benzyl ester 在
甲烷磺酸 作用下,
以
various solvent(s) 为溶剂,
反应 0.5h,
以110 mg的产率得到(R)-2-[(S)-2-Amino-3-(4-hydroxy-phenyl)-propionylamino]-N-{[(S)-1-benzyl-2-(N'-butyryl-hydrazino)-2-oxo-ethylcarbamoyl]-methyl}-4-methanesulfinyl-butyramide