发明人钱学锋,罗永刚,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114490595 A, 授权公告日 2024-03-10.
发明人黄志刚,赵玉洁,林芳. "Method for the Synthesis of Methyl 3-fluoro-7-methylpyrazolo[1,5-a]pyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 116744759 B, 授权公告日 2019-08-04.
Fischer A B, Schröder R, Davis P L. "A Process for Preparing High-Purity Methyl 3-fluoro-7-methylpyrazolo[1,5-a]pyrimidine-5-carboxylate" [P]. US Patent, US 10749228 B2, 2021-05-10.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2023, 1853, (11), 5093-5121.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2017, 1732, 3950-3959.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 3-fluoro-7-methylpyrazolo[1,5-a]pyrimidine-5-carboxylate Using HRMS and NMR". Chemosphere, 2023, 306, 6682-6685.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2012, 1488, (7), 741-752.