tert-butyl 4-[4-[[2-[[(2S)-1-[[(2S)-4,4-dimethyl-1-oxo-1-phenylmethoxypentan-2-yl]amino]-1,4-dioxo-4-phenylmethoxybutan-2-yl]amino]-2-oxoethyl]-ethylamino]-4-oxobutyl]piperidine-1-carboxylate 在
palladium on activated charcoal
氢气 、
溶剂黄146 作用下,
以
甲醇 为溶剂,
反应 16.0h,
生成 (2S)-2-[[(2S)-3-carboxy-2-[[2-[ethyl-[4-[1-[(2-methylpropan-2-yl)oxycarbonyl]piperidin-4-yl]butanoyl]amino]acetyl]amino]propanoyl]amino]-4,4-dimethylpentanoic acid