Chen K W, Davis P L, Johnson M A. "一种3,4-二甲氧基苯乙酸的合成方法" [P]. US Patent, US 10422582 B2, 2023-04-24.
发明人冯建国,何建平,黄志刚. "Method for the Synthesis of 3,4-Dimethoxyphenyl acetic acid" [P]. 中国发明专利, 专利号 CN 111915091 A, 授权公告日 2025-04-09.
发明人罗永刚,刘建华,胡光. "A Process for Preparing High-Purity 3,4-Dimethoxyphenyl acetic acid" [P]. 中国发明专利, 专利号 CN 112889962 B, 授权公告日 2021-03-20.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 3,4-二甲氧基苯乙酸 in Pharmaceutical Formulations". Food Chem., 2024, 399, (1), 5292-5322.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3,4-二甲氧基苯乙酸 as an Impurity". J. Sep. Sci., 2013, 1308, (6), 6614-6641.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 3,4-Dimethoxyphenyl acetic acid Using HRMS and NMR". Biomed. Chromatogr., 2020, 2194, 9598-9620.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate 3,4-二甲氧基苯乙酸 Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2024, 380, 1239-1254.