(4S)-4-{[(3R)-3-[(tert-butoxycarbonyl)amino]-4-(2,4,5-trifluorophenyl)butanoyl]amino}-1-[(2S)-2-methyl-3-sulfanylpropanoyl]-L-proline 、
三氟乙酸 以
二氯甲烷 为溶剂,
生成 (4S)-4-{[(3R)-3-amino-4-(2,4,5-trifluorophenyl)butanoyl]amino}-1-[(2S)-2-methyl-3-sulfanylpropanoyl]-L-proline trifluoroacetate