发明人周伟,沈红梅,高志强. "Method for the Synthesis of tert-Butyl 4-(4-(6-chloropyridin-3-yl)-4-oxobutan-2-yl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111869473 B, 授权公告日 2021-08-11.
发明人高志强,周伟,胡光. "A Process for Preparing High-Purity tert-Butyl 4-(4-(6-chloropyridin-3-yl)-4-oxobutan-2-yl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 117736819 B, 授权公告日 2022-12-22.
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". Molecules, 2014, 865, (6), 5145-5167.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2016, 1506, (4), 3247-3268.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 4-(4-(6-chloropyridin-3-yl)-4-oxobutan-2-yl)piperazine-1-carboxylate Using HRMS and NMR". J. Nat. Prod., 2010, 1753, 7331-7350.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2022, 776, 1125-1128.