Schröder R, Chen K W, Patel M V. "一种依帕司他的合成方法" [P]. US Patent, US 10797853 B2, 2024-06-15.
发明人张德明,王建平,陈志强. "Method for the Synthesis of Epalrestat" [P]. 中国发明专利, 专利号 CN 116683447 A, 授权公告日 2023-01-02.
发明人杨光,李文辉,郑宇鹏. "A Process for Preparing High-Purity Epalrestat" [P]. 中国发明专利, 专利号 CN 110077311 A, 授权公告日 2021-03-03.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of 依帕司他 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2017, 2223, 1970-1997.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 依帕司他 as an Impurity". J. Nat. Prod., 2022, 2220, 9503-9526.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Epalrestat Using HRMS and NMR". Talanta, 2012, 162, (12), 2250-2259.