methyl (S)-3,3-dimethyl-1-oxo-1-((S)-2-(4-((phenyl(4-((S)-pyrrolidine-2-carboxamido)benzyl)amino)methyl)phenylcarbamoyl)pyrrolidin-1-yl)butan-2-ylcarbamate 、
(S)-2-(methoxycarbonylamino)-2-((R)-tetrahydrofuran-3-yl)acetic acid 以to give 0.030 g (67%) of the title compound as a thick oil的产率得到N-(methoxycarbonyl)-3-methyl-L-valyl-N-(4-{[{4-[(1-{(2S)-2-[(methoxycarbonyl)amino]-2-[(3R)-tetrahydrofuran-3-yl]acetyl}-L-prolyl)amino]benzyl}(phenyl)amino]methyl}phenyl)-L-prolinamide