发明人钱学锋,林芳,徐明华. "Method for the Synthesis of 4-(5-Chloro-3-fluoropyridin-2-yl)piperazin-2-one" [P]. 中国发明专利, 专利号 CN 110442913 A, 授权公告日 2022-08-02.
发明人唐晓军,钱学锋,郑宇鹏. "A Process for Preparing High-Purity 4-(5-Chloro-3-fluoropyridin-2-yl)piperazin-2-one" [P]. 中国发明专利, 专利号 CN 114429881 A, 授权公告日 2022-09-27.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2022, 611, 2274-2299.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2021, 1969, 2343-2370.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4-(5-Chloro-3-fluoropyridin-2-yl)piperazin-2-one Using HRMS and NMR". J. Nat. Prod., 2013, 2433, 5033-5059.