发明人郑宇鹏,孙丽萍,郭海燕. "Method for the Synthesis of Pyrazolo[1,5-a]pyrimidine-3-carbonyl chloride" [P]. 中国发明专利, 专利号 CN 113191045 B, 授权公告日 2020-05-27.
发明人唐晓军,胡光,何建平. "A Process for Preparing High-Purity Pyrazolo[1,5-a]pyrimidine-3-carbonyl chloride" [P]. 中国发明专利, 专利号 CN 116036284 B, 授权公告日 2020-04-03.
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". Phytochemistry, 2013, 296, 3995-4016.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2010, 1194, (9), 4095-4115.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Pyrazolo[1,5-a]pyrimidine-3-carbonyl chloride Using HRMS and NMR". Molecules, 2011, 1104, (8), 9336-9366.