Roberts E F, Hughes D C, Brown S R. "一种的合成方法" [P]. US Patent, US 10764143 B2, 2019-07-18.
发明人杨光,马晓峰,张德明. "Method for the Synthesis of tert-Butyl 4-(3-bromo-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidin-7-yl)piperidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111466791 A, 授权公告日 2023-04-07.
Rossi M, Sørensen M, Kowalski A. "A Process for Preparing High-Purity tert-Butyl 4-(3-bromo-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidin-7-yl)piperidine-1-carboxylate" [P]. European Patent, EP 3583317 A1, 2018-07-17.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2020, 729, 323-330.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2015, 784, (7), 5357-5383.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 4-(3-bromo-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidin-7-yl)piperidine-1-carboxylate Using HRMS and NMR". Talanta, 2015, 161, (6), 5076-5101.