Klinger H, Davis P L, Fischer A B. "一种的合成方法" [P]. US Patent, US 11356802 B2, 2016-08-16.
发明人何建平,朱建伟,郭海燕. "Method for the Synthesis of 2-(4-Cyclohexyl-2,3-dioxopiperazin-1-yl)butanoic acid" [P]. 中国发明专利, 专利号 CN 114794875 A, 授权公告日 2025-06-02.
O'Brien P Q, Mueller T, Klinger H. "A Process for Preparing High-Purity 2-(4-Cyclohexyl-2,3-dioxopiperazin-1-yl)butanoic acid" [P]. US Patent, US 9056874 B2, 2016-05-24.
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". J. Sep. Sci., 2012, 350, (6), 3054-3073.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2023, 2323, (3), 7546-7572.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Cyclohexyl-2,3-dioxopiperazin-1-yl)butanoic acid Using HRMS and NMR". Food Chem., 2014, 1768, 6757-6780.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2014, 331, (6), 9883-9898.