发明人王建平,朱建伟,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116143622 A, 授权公告日 2016-06-18.
发明人马晓峰,赵玉洁,郭海燕. "Method for the Synthesis of 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-((tert-butoxycarbonyl)amino)butanoic acid" [P]. 中国发明专利, 专利号 CN 112558062 B, 授权公告日 2024-10-09.
发明人黄志刚,沈红梅,胡光. "A Process for Preparing High-Purity 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-((tert-butoxycarbonyl)amino)butanoic acid" [P]. 中国发明专利, 专利号 CN 113743110 A, 授权公告日 2018-12-17.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2017, 937, (3), 9357-9376.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2021, 1435, 7093-7117.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-((tert-butoxycarbonyl)amino)butanoic acid Using HRMS and NMR". Anal. Methods, 2021, 171, (9), 5612-5629.