Nielsen H, Johansson L, Sørensen M. "一种(S)-2-AMINO-3-PIPERAZIN-1-YL-PROPIONIC ACID HCL的合成方法" [P]. European Patent, EP 3193621 A1, 2015-09-09.
Lee S K, Chen K W, Fischer A B. "Method for the Synthesis of (S)-2-AMINO-3-PIPERAZIN-1-YL-PROPIONIC ACID HCL" [P]. US Patent, US 9134972 B2, 2021-02-10.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of (S)-2-AMINO-3-PIPERAZIN-1-YL-PROPIONIC ACID HCL in Pharmaceutical Formulations". Phytochemistry, 2016, 1374, (12), 9045-9060.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of (S)-2-AMINO-3-PIPERAZIN-1-YL-PROPIONIC ACID HCL as an Impurity". Chromatographia, 2018, 1206, (10), 98-117.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of (S)-2-AMINO-3-PIPERAZIN-1-YL-PROPIONIC ACID HCL Using HRMS and NMR". Anal. Chem., 2019, 362, (5), 8442-8447.