Roberts E F, Yamamoto T, Hughes D C. "一种的合成方法" [P]. US Patent, US 10209936 B2, 2019-11-15.
O'Brien P Q, Hughes D C, Lee S K. "Method for the Synthesis of Ethyl 6,8-difluoroimidazo[1,5-a]pyridine-3-carboxylate" [P]. US Patent, US 10394183 B2, 2015-07-16.
发明人张德明,郭海燕,罗永刚. "A Process for Preparing High-Purity Ethyl 6,8-difluoroimidazo[1,5-a]pyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108322413 A, 授权公告日 2023-12-14.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2012, 1397, 821-850.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2018, 475, (1), 3123-3145.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 6,8-difluoroimidazo[1,5-a]pyridine-3-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2011, 2149, (5), 6693-6714.