Johansson L, Lefèvre J P, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3380192 A1, 2016-12-07.
发明人杨光,罗永刚,钱学锋. "Method for the Synthesis of 5-Amino-2-(4-aminophenyl)benzoxazole" [P]. 中国发明专利, 专利号 CN 108694719 A, 授权公告日 2024-09-02.
发明人唐晓军,陈志强,王建平. "A Process for Preparing High-Purity 5-Amino-2-(4-aminophenyl)benzoxazole" [P]. 中国发明专利, 专利号 CN 112797197 B, 授权公告日 2025-11-05.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2024, 434, 9681-9694.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2021, 2416, 2948-2976.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 5-Amino-2-(4-aminophenyl)benzoxazole Using HRMS and NMR". Biomed. Chromatogr., 2013, 2464, 7412-7418.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2017, 430, 1399-1420.