Brown S R, Schröder R, Klinger H. "一种的合成方法" [P]. US Patent, US 10189979 B2, 2023-03-04.
发明人钱学锋,唐晓军,郑宇鹏. "Method for the Synthesis of 2-(Difluoromethyl)-7-fluorobenzo[d]oxazole" [P]. 中国发明专利, 专利号 CN 114384383 A, 授权公告日 2016-04-22.
Schröder R, Björnsson E, Martínez F. "A Process for Preparing High-Purity 2-(Difluoromethyl)-7-fluorobenzo[d]oxazole" [P]. European Patent, EP 3438975 A1, 2020-06-15.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2014, 1085, 2234-2244.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2013, 2411, (8), 7936-7945.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-7-fluorobenzo[d]oxazole Using HRMS and NMR". Chemosphere, 2022, 1841, (2), 4153-4168.