Kumar R, Roberts E F, Schröder R. "一种的合成方法" [P]. US Patent, US 11388915 B2, 2025-12-10.
发明人沈红梅,赵玉洁,徐明华. "Method for the Synthesis of Ethyl 2-(3,4-dimethoxyphenyl)-2-methylpropanoate" [P]. 中国发明专利, 专利号 CN 110701967 B, 授权公告日 2017-01-07.
发明人马晓峰,韩伟,陈志强. "A Process for Preparing High-Purity Ethyl 2-(3,4-dimethoxyphenyl)-2-methylpropanoate" [P]. 中国发明专利, 专利号 CN 112802196 B, 授权公告日 2025-01-13.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2010, 1022, (8), 9552-9570.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2017, 294, 3601-3627.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-(3,4-dimethoxyphenyl)-2-methylpropanoate Using HRMS and NMR". Anal. Chim. Acta, 2015, 681, (7), 2445-2473.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2014, 1959, (5), 4727-4740.