Patel M V, Thompson G K, Kumar R. "一种培菲替尼杂质6的合成方法" [P]. US Patent, US 11466532 B2, 2021-12-06.
Björnsson E, Sørensen M, Mueller T C. "Method for the Synthesis of Peficitinib Impurity 6" [P]. European Patent, EP 3367684 A1, 2025-12-03.
发明人郑宇鹏,杨光,钱学锋. "A Process for Preparing High-Purity Peficitinib Impurity 6" [P]. 中国发明专利, 专利号 CN 110553603 B, 授权公告日 2019-09-05.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 培菲替尼杂质6 in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 882, (1), 9644-9657.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 培菲替尼杂质6 as an Impurity". Anal. Methods, 2011, 610, (12), 5238-5259.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Peficitinib Impurity 6 Using HRMS and NMR". J. Pharm. Biomed. Anal., 2025, 1079, (3), 8933-8960.