在
palladium on activated charcoal ammonium acetate 、
氢气 作用下,
以
乙醇 为溶剂,
以4 mg的产率得到(4R)-4-[[(2S)-2-acetamido-3-carboxypropanoyl]amino]-5-[[(2S,3S)-3-methyl-1-[[(2S)-3-methyl-1-oxo-1-[(2S,4R)-2-[[[(1S)-1-phenylethyl]carbamoyl-(2,2,2-trifluoroethyl)amino]carbamoyl]-4-phenylmethoxypyrrolidin-1-yl]butan-2-yl]amino]-1-oxopentan-2-yl]amino]-5-oxopentanoic acid