三氟乙酸 、
[(S)-2-((S)-2-{(S)-1-[(R)-1-Carbamoyl-2-(3-nitro-pyridin-2-yldisulfanyl)-ethylcarbamoyl]-2-phenyl-ethylcarbamoyl}-pyrrolidin-1-yl)-1-(4-hydroxy-benzyl)-2-oxo-ethyl]-carbamic acid tert-butyl ester 反应 1.0h,
以86%的产率得到(S)-1-[(S)-2-Amino-3-(4-hydroxy-phenyl)-propionyl]-pyrrolidine-2-carboxylic acid {(S)-1-[(R)-1-carbamoyl-2-(3-nitro-pyridin-2-yldisulfanyl)-ethylcarbamoyl]-2-phenyl-ethyl}-amide; compound with trifluoro-acetic acid