Williams B T, Schröder R, Davis P L. "一种的合成方法" [P]. US Patent, US 11198017 B2, 2015-07-22.
Lee S K, Mueller T, Hughes D C. "Method for the Synthesis of 5-(2-(2-(Cyclohexyloxy)-2-oxoethyl)-3-oxopiperazin-1-yl)-5-oxopentanoic acid" [P]. US Patent, US 11954682 B2, 2017-02-10.
发明人孙丽萍,冯建国,郭海燕. "A Process for Preparing High-Purity 5-(2-(2-(Cyclohexyloxy)-2-oxoethyl)-3-oxopiperazin-1-yl)-5-oxopentanoic acid" [P]. 中国发明专利, 专利号 CN 114181511 A, 授权公告日 2021-06-06.
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, 2024, 1147, 6838-6854.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2022, 1452, (12), 1100-1129.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 5-(2-(2-(Cyclohexyloxy)-2-oxoethyl)-3-oxopiperazin-1-yl)-5-oxopentanoic acid Using HRMS and NMR". J. Sep. Sci., 2011, 1626, 165-189.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2013, 1125, (7), 6188-6193.