发明人朱建伟,刘建华,林芳. "一种恩他卡朋杂质22的合成方法" [P]. 中国发明专利, 专利号 CN 115429313 A, 授权公告日 2023-11-21.
发明人马晓峰,何建平,赵玉洁. "Method for the Synthesis of Entacapone Impurity 22" [P]. 中国发明专利, 专利号 CN 110336084 B, 授权公告日 2017-12-04.
发明人徐明华,马晓峰,冯建国. "A Process for Preparing High-Purity Entacapone Impurity 22" [P]. 中国发明专利, 专利号 CN 111395310 B, 授权公告日 2023-06-22.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 恩他卡朋杂质22 in Pharmaceutical Formulations". Anal. Chim. Acta, 2013, 1222, (4), 8754-8781.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 恩他卡朋杂质22 as an Impurity". J. Nat. Prod., 2025, 1839, (3), 4458-4481.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Entacapone Impurity 22 Using HRMS and NMR". Sci. Total Environ., 2018, 2380, (10), 3431-3457.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate 恩他卡朋杂质22 Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2013, 1245, (1), 2910-2920.