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.
提供了合成
阿加曲班一
水合物的关键中间体--(2R,4R)-1-[(2S)-2-
氨基-5-[[亚
氨基(硝基
氨基)甲基]
氨基]-1-氧代戊基]-
4-甲基哌啶-2-
甲酸乙酯与
盐酸复合物的方法。还提供了此类中间体。