benzyl (2S)-2-[[(2S,3S,5R)-3-hydroxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolane-2-carbonyl]amino]-5-(phenylmethoxycarbonylamino)pentanoate 在
palladium on activated charcoal
氢气 作用下,
反应 2.0h,
以88%的产率得到(S)-5-Amino-2-{[(2S,3S,5R)-3-hydroxy-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-carbonyl]-amino}-pentanoic acid