The present invention discloses novel methods for synthesizing Rivaroxaban intermediate, i.e., 4- 4-[(5S)-5-(aminomethyl)-2-oxo-1,3-oxazolidin-3-yl]phenyl} morpholin-3-one. The novel methods provided in the present invention involve mild reaction conditions, convenient operations, easy purification, and low production costs, and thus the process is environmental-friendly and suitable for industrial production.
本发明公开了合成
利伐沙班中间体,即4-4-[(5S)-5-(
氨基甲基)-2-氧代-1,3-
恶唑啉-3-基]苯基}吗啉-3-酮的新方法。本发明提供的新方法反应条件温和、操作简便、易于纯化、生产成本低,因此该工艺对环境友好,适合工业化生产。