Kowalski A, Nowak P, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3303362 A1, 2021-05-27.
Lefèvre J P, Martínez F, Nowak P. "Method for the Synthesis of 1-(4-Ethylpiperazin-1-yl)-3-methylbut-2-en-1-one" [P]. European Patent, EP 3618528 A1, 2018-05-18.
发明人赵玉洁,何建平,钱学锋. "A Process for Preparing High-Purity 1-(4-Ethylpiperazin-1-yl)-3-methylbut-2-en-1-one" [P]. 中国发明专利, 专利号 CN 110871748 B, 授权公告日 2023-03-23.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2017, 1004, (1), 9945-9959.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2014, 1431, (6), 1234-1243.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 1-(4-Ethylpiperazin-1-yl)-3-methylbut-2-en-1-one Using HRMS and NMR". Chromatographia, 2025, 1808, (1), 8262-8280.