发明人钱学锋,王建平,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113994026 A, 授权公告日 2025-06-15.
发明人高志强,郑宇鹏,韩伟. "Method for the Synthesis of 2H-Pyrido[1,2-a]pyrimidin-2-one" [P]. 中国发明专利, 专利号 CN 113504082 B, 授权公告日 2016-06-02.
发明人黄志刚,高志强,郭海燕. "A Process for Preparing High-Purity 2H-Pyrido[1,2-a]pyrimidin-2-one" [P]. 中国发明专利, 专利号 CN 116258167 B, 授权公告日 2018-09-23.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2015, 494, 7075-7084.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2015, 1367, (11), 2093-2112.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 2H-Pyrido[1,2-a]pyrimidin-2-one Using HRMS and NMR". Biomed. Chromatogr., 2021, 1624, 4277-4290.