发明人孙丽萍,何建平,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115167561 A, 授权公告日 2024-05-23.
发明人冯建国,刘建华,朱建伟. "Method for the Synthesis of (R)-1-((R)-4-Amino-2-((R)-2-amino-3-phenylpropanamido)-4-oxobutanoyl)pyrrolidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112912105 B, 授权公告日 2017-07-22.
Thompson G K, Yamamoto T, Johnson M A. "A Process for Preparing High-Purity (R)-1-((R)-4-Amino-2-((R)-2-amino-3-phenylpropanamido)-4-oxobutanoyl)pyrrolidine-2-carboxylic acid" [P]. US Patent, US 11875245 B2, 2023-12-10.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2011, 639, (4), 767-779.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2018, 1317, (8), 5646-5665.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of (R)-1-((R)-4-Amino-2-((R)-2-amino-3-phenylpropanamido)-4-oxobutanoyl)pyrrolidine-2-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2019, 535, (6), 5814-5824.