发明人钱学锋,黄志刚,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115322015 A, 授权公告日 2021-07-23.
发明人赵玉洁,唐晓军,冯建国. "Method for the Synthesis of Benzyl(2r)-2,4-dimethylpiperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 114350633 B, 授权公告日 2017-01-08.
Fischer A B, Kumar R, Schröder R. "A Process for Preparing High-Purity Benzyl(2r)-2,4-dimethylpiperazine-1-carboxylate" [P]. US Patent, US 11375392 B2, 2021-01-18.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2010, 280, (3), 8001-8030.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2022, 1810, (7), 7091-7098.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Benzyl(2r)-2,4-dimethylpiperazine-1-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2017, 1853, (4), 7544-7553.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2018, 1907, (7), 6249-6279.