Methods are provided for the synthesis of key intermediates for the synthesis of Argatroban monohydrate, ethyl (2R,4R)-1-[(2S)-2-amino-5-[[imino(nitroamino)methyl]amino]-1-oxopentyl]-4-methylpiperidine-2-carboxylate compounded with HCl. Such intermediates are also provided.
提供了一种合成Argatroban monohydrate的关键中间体的方法,该中间体是
乙酸(2R,4R)-1-[(2S)-2-
氨基-5-[[亚硝基
氨基)甲基]
氨基]-1-氧代戊基]-
4-甲基哌啶-2-
羧酸乙酯,与HCl混合。同时也提供了这些中间体。