发明人李文辉,钱学锋,张德明. "Method for the Synthesis of (E)-Caffeic acid t-butyl ester" [P]. 中国发明专利, 专利号 CN 113637547 B, 授权公告日 2017-05-27.
发明人郑宇鹏,周伟,沈红梅. "A Process for Preparing High-Purity (E)-Caffeic acid t-butyl ester" [P]. 中国发明专利, 专利号 CN 111772662 B, 授权公告日 2022-03-16.
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". Molecules, 2016, 2410, (8), 3703-3727.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2014, 439, (5), 4601-4610.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of (E)-Caffeic acid t-butyl ester Using HRMS and NMR". J. Agric. Food Chem., 2015, 213, (1), 3906-3916.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2011, 1775, (7), 9666-9676.