发明人王建平,马晓峰,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108665236 A, 授权公告日 2021-06-19.
发明人周伟,徐明华,张德明. "Method for the Synthesis of tert-Butyl 4-(3-(4-bromophenyl)ureido)piperidine-1-carboxylate, 97%" [P]. 中国发明专利, 专利号 CN 113714046 A, 授权公告日 2017-12-27.
发明人罗永刚,韩伟,杨光. "A Process for Preparing High-Purity tert-Butyl 4-(3-(4-bromophenyl)ureido)piperidine-1-carboxylate, 97%" [P]. 中国发明专利, 专利号 CN 111394304 A, 授权公告日 2022-06-08.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2019, 491, 873-879.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2015, 971, 3503-3512.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 4-(3-(4-bromophenyl)ureido)piperidine-1-carboxylate, 97% Using HRMS and NMR". Molecules, 2013, 265, (10), 1022-1027.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2011, 2247, (3), 9972-10000.