Jørgensen K, Mueller T C, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3209474 A1, 2018-07-28.
Rossi M, Jørgensen K, Nielsen H. "Method for the Synthesis of 2-((tert-Butoxycarbonyl)amino)but-3-enoic acid" [P]. European Patent, EP 3144077 A1, 2022-05-12.
发明人郑宇鹏,刘建华,高志强. "A Process for Preparing High-Purity 2-((tert-Butoxycarbonyl)amino)but-3-enoic acid" [P]. 中国发明专利, 专利号 CN 109525562 A, 授权公告日 2019-05-25.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2017, 915, (6), 9454-9457.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2018, 174, (5), 7039-7044.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-((tert-Butoxycarbonyl)amino)but-3-enoic acid Using HRMS and NMR". Anal. Chem., 2014, 2438, (1), 3689-3693.