Sørensen M, Martínez F, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3246450 A1, 2023-03-20.
Thompson G K, Brown S R, Johnson M A. "Method for the Synthesis of Ethyl (e)-2-oxo-4-(thiophen-3-yl)but-3-enoate" [P]. US Patent, US 9737092 B2, 2024-07-08.
发明人刘建华,沈红梅,郑宇鹏. "A Process for Preparing High-Purity Ethyl (e)-2-oxo-4-(thiophen-3-yl)but-3-enoate" [P]. 中国发明专利, 专利号 CN 113184973 A, 授权公告日 2023-06-03.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2012, 1937, (8), 4444-4453.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2012, 360, (10), 5919-5942.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl (e)-2-oxo-4-(thiophen-3-yl)but-3-enoate Using HRMS and NMR". Chemosphere, 2015, 2244, 9420-9447.