The present invention is directed to several Tofacitinib salts including Tofacitinib mono-tartrate salt, Tofacitinib mono-malate salt and Tofacitinib mono-oxalate salt. These Tofacitinib salts can be in amorphous form. The invention is also directed toward a pharmaceutical composition comprising one or more of the Tofacitinib salts, and a process for preparing the composition. The Tofacitinib salts can be used to prepare Tofacitinib mono-citrate salt. Another aspect of the invention is a process for preparing Tofacitinib mono-citrate. The Tofacitinib salts of the invention are also useful as medicaments and in methods of treating patients suffering from cancer.
本发明涉及几种
托法替尼盐,包括
托法替尼单
酒石酸盐、
托法替尼单
苹果酸盐和
托法替尼单
草酸盐。这些
托法替尼盐可以处于非晶态形式。本发明还涉及一种包含一种或多种
托法替尼盐的制药组合物,以及制备该组合物的方法。
托法替尼盐可以用于制备
托法替尼单
柠檬酸盐。发明的另一个方面是制备
托法替尼单
柠檬酸盐的方法。本发明的
托法替尼盐也可用作药物,并用于治疗患有癌症的患者的方法。