The invention relates to a process for the preparation of 5-chloro-N-((5-S)-2-oxo3-[4-(3-oxo-morj)holine-4-yl)-phenyl]-1,3-oxazolidine-5-yl}-methyl) thiophen-2-carboxamide having the INN rivaroxaban. The process is characterized by the reactions according to claim
1
. The invention also relates to intermediates formed in the above process.
本发明涉及一种制备5-
氯-N-((5-S)-2-氧代3-[4-(3-氧代-morj)holine-4-基)-苯基]-1,3-
噁唑烷-5-基}-甲基)
噻吩-2-羧酰胺的方法,该化合物为INN
利伐沙班。该方法的特征在于根据权利要求1所述的反应。本发明还涉及在上述过程中形成的中间体。