The invention provides a salt, preferably in crystalline form, of (2R,3S)-2-[(R)-1-(3,5-Bis- trifluoromethylphenyl)ethoxy]-3-(4-fluorophenyl)morpholine (BFM2) with a Ο,Ο'-substituted tartaric acid derivative. Furthermore, a composition comprising said salt is provided. In another embodiment, a process for the preparation of said salt or said composition is provided. In a further embodiment, a process for the preparation of aprepitant or fosaprepitant is provided. One embodiment refers to the use of a salt or a composition according to the invention for the preparation of aprepitant or fosaprepitant. A further embodiment refers to aprepitant or fosaprepitant obtained or obtainable according to the process according to the invention. A further embodiment refers to a composition comprising aprepitant or fosaprepitant obtained or obtainable according to the process of the invention, preferably for use as a medicament (Formula (A)).
本发明提供了一种(2R,3S)-2-[(R)-1-(3,5-双三
氟甲基苯基)乙氧基]-3-(4-
氟苯基)
吗啡啶(B
FM2)与Ο,Ο'-取代的
酒石酸衍
生物形成的盐,优选为结晶形式。此外,还提供了一种包含该盐的组合物。在另一实施例中,提供了制备该盐或该组合物的方法。在进一步的实施例中,提供了制备阿普利汀或福沙普利汀的方法。一个实施例涉及使用根据本发明的盐或组合物制备阿普利汀或福沙普利汀。另一个实施例涉及根据本发明的方法获得或可获得的阿普利汀或福沙普利汀。另一个实施例涉及包含根据本发明的方法获得或可获得的阿普利汀或福沙普利汀的组合物,优选用作药物(式(A))。