发明人高志强,何建平,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114703564 A, 授权公告日 2021-09-08.
发明人刘建华,何建平,陈志强. "Method for the Synthesis of (S)-tert-butyl 3-((2-(4-amino-1,2,5-oxadiazol-3-yl)-1-ethyl-4-(3-hydroxy-3-methylbut-1-ynyl)-1H-imidazo[4,5-c]pyridin-7-yloxy)methyl)piperidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111591218 B, 授权公告日 2015-07-11.
Klinger H, Park J H, Mueller T. "A Process for Preparing High-Purity (S)-tert-butyl 3-((2-(4-amino-1,2,5-oxadiazol-3-yl)-1-ethyl-4-(3-hydroxy-3-methylbut-1-ynyl)-1H-imidazo[4,5-c]pyridin-7-yloxy)methyl)piperidine-1-carboxylate" [P]. US Patent, US 11944904 B2, 2025-01-10.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2018, 640, (1), 7126-7145.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2010, 645, 318-341.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of (S)-tert-butyl 3-((2-(4-amino-1,2,5-oxadiazol-3-yl)-1-ethyl-4-(3-hydroxy-3-methylbut-1-ynyl)-1H-imidazo[4,5-c]pyridin-7-yloxy)methyl)piperidine-1-carboxylate Using HRMS and NMR". Anal. Chem., 2019, 1368, (12), 2430-2438.