发明人孙丽萍,韩伟,郭海燕. "一种吡西替尼杂质2的合成方法" [P]. 中国发明专利, 专利号 CN 110817047 A, 授权公告日 2023-04-11.
发明人高志强,黄志刚,韩伟. "Method for the Synthesis of Peficitinib Impurity 2" [P]. 中国发明专利, 专利号 CN 111510940 A, 授权公告日 2025-05-10.
Nielsen H, Jørgensen K, Björnsson E. "A Process for Preparing High-Purity Peficitinib Impurity 2" [P]. European Patent, EP 3355662 A1, 2024-07-17.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of 吡西替尼杂质2 in Pharmaceutical Formulations". Biomed. Chromatogr., 2023, 2304, (11), 7417-7423.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 吡西替尼杂质2 as an Impurity". Talanta, 2023, 408, (7), 2855-2876.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Peficitinib Impurity 2 Using HRMS and NMR". Sci. Total Environ., 2023, 479, 1884-1911.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate 吡西替尼杂质2 Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2020, 1882, (8), 906-936.