发明人冯建国,郑宇鹏,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117838182 A, 授权公告日 2018-10-18.
发明人冯建国,罗永刚,周伟. "Method for the Synthesis of 4-Chloro-2-methylbenzyl 4-(3-oxo-3-(2-oxo-2,3-dihydrobenzo[d]oxazol-6-yl)propyl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 112991235 B, 授权公告日 2021-05-22.
发明人黄志刚,郑宇鹏,杨光. "A Process for Preparing High-Purity 4-Chloro-2-methylbenzyl 4-(3-oxo-3-(2-oxo-2,3-dihydrobenzo[d]oxazol-6-yl)propyl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 116507342 B, 授权公告日 2023-12-11.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2014, 1976, 3906-3915.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2016, 1793, (4), 815-828.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-2-methylbenzyl 4-(3-oxo-3-(2-oxo-2,3-dihydrobenzo[d]oxazol-6-yl)propyl)piperazine-1-carboxylate Using HRMS and NMR". Chromatographia, 2011, 1039, 5017-5032.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2010, 858, (8), 1248-1251.