发明人胡光,朱建伟,林芳. "Method for the Synthesis of Methyl 3-isopropyl-6-(thiophen-2-yl)isoxazolo[5,4-b]pyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 109136678 A, 授权公告日 2021-05-24.
Björnsson E, Sørensen M, Martínez F. "A Process for Preparing High-Purity Methyl 3-isopropyl-6-(thiophen-2-yl)isoxazolo[5,4-b]pyridine-4-carboxylate" [P]. European Patent, EP 3804008 A1, 2024-06-13.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2015, 2011, (11), 518-528.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2010, 1675, (8), 9612-9616.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 3-isopropyl-6-(thiophen-2-yl)isoxazolo[5,4-b]pyridine-4-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2021, 1869, (12), 442-469.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2011, 234, 1447-1460.