Cbz-N,O-dimethyltyrosine-N-Boc-threonine-OH 在
palladium on activated charcoal N-<(1H-benzotriazol-1-yl)(dimethylamino)methylene>-N-methylmethanaminium hexafluorophosphate N-oxide 、
氢气 、
1-羟基苯并三唑 、
N,N-二异丙基乙胺 作用下,
以
四氢呋喃 为溶剂,
-10.0~25.0 ℃
、101.33 kPa
条件下,
反应 7.0h,
生成 (2S)-1-[(2S)-2-[[(4S)-4-[(3S,4R,5S)-3-hydroxy-4-[[(2S,3R)-3-[(2S)-3-(4-methoxyphenyl)-2-(methylamino)propanoyl]oxy-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoyl]amino]-5-methylheptanoyl]oxy-2,5-dimethyl-3-oxohexanoyl]amino]-4-methylpentanoyl]pyrrolidine-2-carboxylic acid