发明人马晓峰,韩伟,徐明华. "一种吡西替尼杂质4(相对构型)的合成方法" [P]. 中国发明专利, 专利号 CN 108994460 A, 授权公告日 2024-02-07.
发明人刘建华,陈志强,王建平. "Method for the Synthesis of Peficitinib Impurity 4" [P]. 中国发明专利, 专利号 CN 113726569 A, 授权公告日 2019-09-13.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 吡西替尼杂质4(相对构型) in Pharmaceutical Formulations". Anal. Chem., 2019, 1958, 3186-3190.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 吡西替尼杂质4(相对构型) as an Impurity". J. Chromatogr. A, 2011, 450, (5), 5113-5140.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Peficitinib Impurity 4 Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2016, 1251, 3536-3542.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 吡西替尼杂质4(相对构型) Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2018, 2379, 6123-6129.