Jørgensen K, Martínez F, Johansson L. "一种的合成方法" [P]. European Patent, EP 3758103 A1, 2020-09-15.
发明人沈红梅,周伟,刘建华. "Method for the Synthesis of Ethyl5-fluoro-1,3-benzoxazole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117501654 A, 授权公告日 2017-11-23.
发明人徐明华,韩伟,赵玉洁. "A Process for Preparing High-Purity Ethyl5-fluoro-1,3-benzoxazole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108434761 B, 授权公告日 2022-06-10.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2017, 2089, 2991-3019.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2017, 1440, (12), 2483-2513.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl5-fluoro-1,3-benzoxazole-2-carboxylate Using HRMS and NMR". Talanta, 2025, 2156, (8), 1066-1078.