发明人何建平,韩伟,王建平. "一种L-丙氨酰-L-丙氨酰-L-丙氨酰-L-丙氨酰胺的合成方法" [P]. 中国发明专利, 专利号 CN 117750620 A, 授权公告日 2024-05-14.
发明人徐明华,朱建伟,冯建国. "Method for the Synthesis of L-Alanyl-L-Alanyl-L-Alanyl-L-Alaninamide" [P]. 中国发明专利, 专利号 CN 117159186 B, 授权公告日 2024-05-28.
发明人朱建伟,马晓峰,张德明. "A Process for Preparing High-Purity L-Alanyl-L-Alanyl-L-Alanyl-L-Alaninamide" [P]. 中国发明专利, 专利号 CN 112864587 A, 授权公告日 2021-12-23.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of L-丙氨酰-L-丙氨酰-L-丙氨酰-L-丙氨酰胺 in Pharmaceutical Formulations". Environ. Sci. Technol., 2011, 1853, (1), 1343-1354.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of L-丙氨酰-L-丙氨酰-L-丙氨酰-L-丙氨酰胺 as an Impurity". Biomed. Chromatogr., 2023, 1951, (7), 7242-7264.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of L-Alanyl-L-Alanyl-L-Alanyl-L-Alaninamide Using HRMS and NMR". Chemosphere, 2023, 632, 142-160.