发明人罗永刚,郑宇鹏,马晓峰. "Method for the Synthesis of 1-Benzyl 4-(tert-butyl) (2R,5R)-2-(hydroxymethyl)-5-methylpiperazine-1,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 113805910 A, 授权公告日 2020-03-07.
Fischer A B, Park J H, Chen K W. "A Process for Preparing High-Purity 1-Benzyl 4-(tert-butyl) (2R,5R)-2-(hydroxymethyl)-5-methylpiperazine-1,4-dicarboxylate" [P]. US Patent, US 9427647 B2, 2015-12-12.
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". Rapid Commun. Mass Spectrom., 2015, 1548, 9871-9889.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2019, 1497, 3220-3235.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 1-Benzyl 4-(tert-butyl) (2R,5R)-2-(hydroxymethyl)-5-methylpiperazine-1,4-dicarboxylate Using HRMS and NMR". Environ. Sci. Technol., 2015, 755, 8593-8623.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2012, 647, (6), 1503-1518.