发明人王建平,徐明华,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112170249 A, 授权公告日 2020-07-15.
发明人罗永刚,冯建国,刘建华. "Method for the Synthesis of 6-(Difluoromethoxy)benzo[d]oxazol-2-amine" [P]. 中国发明专利, 专利号 CN 111563035 B, 授权公告日 2019-05-09.
发明人孙丽萍,罗永刚,黄志刚. "A Process for Preparing High-Purity 6-(Difluoromethoxy)benzo[d]oxazol-2-amine" [P]. 中国发明专利, 专利号 CN 111854942 A, 授权公告日 2015-11-02.
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. Chim. Acta, 2019, 1629, 2759-2764.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2017, 1532, (6), 9353-9370.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 6-(Difluoromethoxy)benzo[d]oxazol-2-amine Using HRMS and NMR". Anal. Methods, 2022, 679, (7), 6528-6548.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2012, 528, (2), 7864-7892.