发明人周伟,沈红梅,胡光. "Method for the Synthesis of (R)-2-((tert-Butoxycarbonyl)amino)-3-(4-(tert-butoxycarbonyl)piperazin-1-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 113669173 B, 授权公告日 2025-12-06.
发明人郑宇鹏,王建平,罗永刚. "A Process for Preparing High-Purity (R)-2-((tert-Butoxycarbonyl)amino)-3-(4-(tert-butoxycarbonyl)piperazin-1-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 113363663 B, 授权公告日 2015-08-08.
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". Anal. Chem., 2012, 1992, (10), 3134-3147.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2015, 1416, (12), 9640-9650.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of (R)-2-((tert-Butoxycarbonyl)amino)-3-(4-(tert-butoxycarbonyl)piperazin-1-yl)propanoic acid Using HRMS and NMR". J. Agric. Food Chem., 2018, 87, 462-470.