Klinger H, Brown S R, Davis P L. "Method for the Synthesis of 4-[4-(4-chlorophenyl)piperazin-1-yl]-4-oxobutanoic acid" [P]. US Patent, US 9168755 B2, 2018-05-06.
发明人黄志刚,韩伟,冯建国. "A Process for Preparing High-Purity 4-[4-(4-chlorophenyl)piperazin-1-yl]-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 109503269 B, 授权公告日 2024-11-19.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 4-[4-(4-chlorophenyl)piperazin-1-yl]-4-oxobutanoic acid in Pharmaceutical Formulations". Sci. Total Environ., 2013, 1969, 2973-3001.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-[4-(4-chlorophenyl)piperazin-1-yl]-4-oxobutanoic acid as an Impurity". Anal. Chem., 2021, 1278, (7), 4149-4178.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 4-[4-(4-chlorophenyl)piperazin-1-yl]-4-oxobutanoic acid Using HRMS and NMR". J. Sep. Sci., 2011, 1055, 4253-4270.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate 4-[4-(4-chlorophenyl)piperazin-1-yl]-4-oxobutanoic acid Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2012, 208, (4), 7582-7588.