发明人刘建华,周伟,朱建伟. "Method for the Synthesis of Sorafenib Impurity 56" [P]. 中国发明专利, 专利号 CN 111526317 A, 授权公告日 2018-10-25.
发明人王建平,马晓峰,郭海燕. "A Process for Preparing High-Purity Sorafenib Impurity 56" [P]. 中国发明专利, 专利号 CN 115186651 A, 授权公告日 2024-04-08.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 索拉非尼杂质56 in Pharmaceutical Formulations". Phytochemistry, 2023, 1700, (2), 2931-2947.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 索拉非尼杂质56 as an Impurity". Sci. Total Environ., 2013, 1563, (7), 7898-7916.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Sorafenib Impurity 56 Using HRMS and NMR". J. Nat. Prod., 2021, 1066, (10), 4603-4630.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate 索拉非尼杂质56 Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2013, 647, (9), 3993-4013.