Fischer A B, Anderson J P, Patel M V. "一种的合成方法" [P]. US Patent, US 9898047 B2, 2016-11-05.
Sørensen M, Rossi M, Martínez F. "Method for the Synthesis of (S)-2-Amino-3-((S)-1-methyl-2,4-dioxohexahydropyrimidin-5-yl)propanoic acid" [P]. European Patent, EP 3598144 A1, 2020-05-02.
发明人王建平,胡光,刘建华. "A Process for Preparing High-Purity (S)-2-Amino-3-((S)-1-methyl-2,4-dioxohexahydropyrimidin-5-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 112937062 B, 授权公告日 2023-07-20.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2021, 1683, 1917-1926.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2022, 2058, 3246-3250.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of (S)-2-Amino-3-((S)-1-methyl-2,4-dioxohexahydropyrimidin-5-yl)propanoic acid Using HRMS and NMR". J. Sep. Sci., 2010, 573, 573-603.