发明人沈红梅,孙丽萍,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112962898 A, 授权公告日 2020-12-19.
Williams B T, Thompson G K, Anderson J P. "Method for the Synthesis of (S)-4-(((Benzyloxy)carbonyl)amino)-5-(((S)-1-carboxy-2-(1H-indol-3-yl)ethyl)amino)-5-oxopentanoic acid" [P]. US Patent, US 9712375 B2, 2021-01-09.
发明人刘建华,周伟,钱学锋. "A Process for Preparing High-Purity (S)-4-(((Benzyloxy)carbonyl)amino)-5-(((S)-1-carboxy-2-(1H-indol-3-yl)ethyl)amino)-5-oxopentanoic acid" [P]. 中国发明专利, 专利号 CN 113050244 B, 授权公告日 2021-06-18.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2010, 1497, (7), 2916-2922.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2016, 1489, 2423-2433.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of (S)-4-(((Benzyloxy)carbonyl)amino)-5-(((S)-1-carboxy-2-(1H-indol-3-yl)ethyl)amino)-5-oxopentanoic acid Using HRMS and NMR". Talanta, 2012, 2180, (11), 9335-9348.