发明人朱建伟,黄志刚,杨光. "Method for the Synthesis of 2-(Difluoromethoxy)-5-hydroxybenzo[d]oxazole" [P]. 中国发明专利, 专利号 CN 110361768 A, 授权公告日 2024-07-11.
发明人胡光,冯建国,李文辉. "A Process for Preparing High-Purity 2-(Difluoromethoxy)-5-hydroxybenzo[d]oxazole" [P]. 中国发明专利, 专利号 CN 110395740 B, 授权公告日 2022-11-08.
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". Talanta, 2016, 431, (1), 9024-9027.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2018, 2309, (4), 1791-1798.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethoxy)-5-hydroxybenzo[d]oxazole Using HRMS and NMR". Food Chem., 2020, 776, (6), 4460-4480.