发明人沈红梅,李文辉,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112068207 A, 授权公告日 2021-10-14.
Anderson J P, O'Brien P Q, Schröder R. "Method for the Synthesis of 2-(Difluoromethyl)-7-methoxybenzo[d]oxazole" [P]. US Patent, US 11560431 B2, 2020-10-05.
Björnsson E, Sørensen M, Johansson L. "A Process for Preparing High-Purity 2-(Difluoromethyl)-7-methoxybenzo[d]oxazole" [P]. European Patent, EP 3121998 A1, 2025-08-04.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2018, 1985, (4), 9313-9341.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2018, 396, (8), 87-109.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-7-methoxybenzo[d]oxazole Using HRMS and NMR". J. Agric. Food Chem., 2013, 104, (4), 4360-4371.