发明人徐明华,沈红梅,周伟. "一种4-(2-乙氧基-2-氧代乙基氨基)丁酸甲酯的合成方法" [P]. 中国发明专利, 专利号 CN 116075656 A, 授权公告日 2023-08-08.
发明人林芳,郭海燕,王建平. "Method for the Synthesis of Methyl 4-(2-Ethoxy-2-oxoethylamino)butanoate" [P]. 中国发明专利, 专利号 CN 114668742 B, 授权公告日 2020-08-20.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of 4-(2-乙氧基-2-氧代乙基氨基)丁酸甲酯 in Pharmaceutical Formulations". Sci. Total Environ., 2014, 904, 7610-7636.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-(2-乙氧基-2-氧代乙基氨基)丁酸甲酯 as an Impurity". Anal. Chim. Acta, 2019, 637, (5), 956-976.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4-(2-Ethoxy-2-oxoethylamino)butanoate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2025, 1322, 9726-9744.