发明人张德明,黄志刚,冯建国. "Method for the Synthesis of 2-Chloro-4H-pyrimido[2,1-a]isoquinolin-4-one" [P]. 中国发明专利, 专利号 CN 108482553 A, 授权公告日 2024-05-14.
发明人陈志强,韩伟,沈红梅. "A Process for Preparing High-Purity 2-Chloro-4H-pyrimido[2,1-a]isoquinolin-4-one" [P]. 中国发明专利, 专利号 CN 114435638 B, 授权公告日 2023-06-17.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2015, 117, (9), 5005-5014.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2014, 2320, (1), 5503-5520.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-Chloro-4H-pyrimido[2,1-a]isoquinolin-4-one Using HRMS and NMR". Chromatographia, 2021, 1926, (2), 1491-1502.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2013, 2259, 2142-2158.