发明人李文辉,唐晓军,朱建伟. "Method for the Synthesis of 4-[4-(4-methylbenzenesulfonyl)piperazin-1-yl]-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 111375258 B, 授权公告日 2015-03-18.
Mueller T, Lee S K, Patel M V. "A Process for Preparing High-Purity 4-[4-(4-methylbenzenesulfonyl)piperazin-1-yl]-4-oxobutanoic acid" [P]. US Patent, US 9357772 B2, 2022-05-28.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2010, 436, (2), 4711-4718.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2016, 1929, 7439-7446.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-[4-(4-methylbenzenesulfonyl)piperazin-1-yl]-4-oxobutanoic acid Using HRMS and NMR". Anal. Chim. Acta, 2015, 167, 3629-3652.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2012, 2087, (6), 5289-5317.