发明人沈红梅,杨光,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116424972 A, 授权公告日 2022-05-05.
Mueller T, Yamamoto T, Thompson G K. "Method for the Synthesis of 2-(Difluoromethyl)-4-hydroxybenzo[d]oxazole" [P]. US Patent, US 11298786 B2, 2023-08-10.
发明人唐晓军,林芳,郭海燕. "A Process for Preparing High-Purity 2-(Difluoromethyl)-4-hydroxybenzo[d]oxazole" [P]. 中国发明专利, 专利号 CN 110304503 A, 授权公告日 2022-09-25.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2011, 443, 5595-5613.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2021, 951, (2), 1802-1826.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-4-hydroxybenzo[d]oxazole Using HRMS and NMR". J. Chromatogr. A, 2024, 659, 2119-2125.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2022, 964, (7), 5979-6000.