发明人赵玉洁,高志强,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112670357 A, 授权公告日 2024-06-04.
发明人徐明华,黄志刚,冯建国. "Method for the Synthesis of tert-Butyl 3-(7-(difluoromethyl)-6-(1-methyl-1H-pyrazol-4-yl)-3,4-dihydroquinolin-1(2H)-yl)-1,4,6,7-tetrahydro-5H-pyrazolo[4,3-c]pyridine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 109606387 B, 授权公告日 2018-03-09.
发明人沈红梅,黄志刚,刘建华. "A Process for Preparing High-Purity tert-Butyl 3-(7-(difluoromethyl)-6-(1-methyl-1H-pyrazol-4-yl)-3,4-dihydroquinolin-1(2H)-yl)-1,4,6,7-tetrahydro-5H-pyrazolo[4,3-c]pyridine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 108888273 A, 授权公告日 2024-10-22.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2025, 245, (10), 3062-3076.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2018, 1885, 5303-5333.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 3-(7-(difluoromethyl)-6-(1-methyl-1H-pyrazol-4-yl)-3,4-dihydroquinolin-1(2H)-yl)-1,4,6,7-tetrahydro-5H-pyrazolo[4,3-c]pyridine-5-carboxylate Using HRMS and NMR". Anal. Chem., 2023, 2000, (11), 9915-9936.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2013, 2448, (2), 8208-8223.