(3S)-1-Benzyl 3-t-butyl 2-(N'-benzoyl-N-(2-benzyloxycarbonylethyl)hydrazinocarbonyl)hexahydro-pyridazine-1,3-dicarboxylate 在
钯 氢气 作用下,
以
甲醇 为溶剂,
反应 1.5h,
以to afford 1.04 g (100%) of a white foam的产率得到(6S)-3-(N'benzoyl-N-(6-t-butoxycarbonylhexahydropyridazine-1-carbonyl)hydrazino)propanoic acid