Mueller T C, Johansson L, Björnsson E. "一种托伐替尼杂质34 (非对映体混合物)的合成方法" [P]. European Patent, EP 3501236 A1, 2024-02-23.
发明人高志强,黄志刚,刘建华. "Method for the Synthesis of Tofacitinib Impurity 34 (Mixture of Diastereomers)" [P]. 中国发明专利, 专利号 CN 109297603 B, 授权公告日 2018-08-02.
发明人林芳,胡光,王建平. "A Process for Preparing High-Purity Tofacitinib Impurity 34 (Mixture of Diastereomers)" [P]. 中国发明专利, 专利号 CN 115794564 B, 授权公告日 2022-09-20.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 托伐替尼杂质34 (非对映体混合物) in Pharmaceutical Formulations". Chromatographia, 2020, 299, (5), 3877-3881.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 托伐替尼杂质34 (非对映体混合物) as an Impurity". Sci. Total Environ., 2022, 1491, (4), 9622-9630.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Tofacitinib Impurity 34 (Mixture of Diastereomers) Using HRMS and NMR". Talanta, 2017, 1141, (4), 3407-3423.