发明人刘建华,冯建国,杨光. "Method for the Synthesis of (E)-4-chlorobut-2-enoic acid" [P]. 中国发明专利, 专利号 CN 108119601 A, 授权公告日 2024-10-26.
发明人钱学锋,杨光,孙丽萍. "A Process for Preparing High-Purity (E)-4-chlorobut-2-enoic acid" [P]. 中国发明专利, 专利号 CN 109500839 B, 授权公告日 2022-12-26.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of (E)-4-氯丁-2-烯酸 in Pharmaceutical Formulations". Phytochemistry, 2017, 2464, 37-50.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of (E)-4-氯丁-2-烯酸 as an Impurity". Food Chem., 2012, 1577, (2), 9743-9773.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of (E)-4-chlorobut-2-enoic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2013, 2399, (10), 7984-7998.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate (E)-4-氯丁-2-烯酸 Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2025, 85, (5), 1887-1907.