5-(Benzyloxycarbonyl-methyl-amino)-2-(carbamoylmethyl-amino)-4-oxo-5,6-dihydro-4H-pyrimidine-1-carboxylic acid tert-butyl ester 在
palladium on activated charcoal
氢气 、 silver perchlorate 作用下,
以
N,N-二甲基乙酰胺 为溶剂,
生成 tert-butyl 2-(2-amino-2-oxoethyl)imino-5-[methyl-[(3S)-3-(phenylmethoxycarbonylamino)-6-[phenylmethoxycarbonyl-(N'-phenylmethoxycarbonylcarbamimidoyl)amino]hexanoyl]amino]-4-oxo-1,3-diazinane-1-carboxylate