O'Brien P Q, Anderson J P, Fischer A B. "一种的合成方法" [P]. US Patent, US 11249079 B2, 2021-05-20.
发明人王建平,徐明华,马晓峰. "Method for the Synthesis of 2-(4-Methylpiperazin-1-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 114248283 B, 授权公告日 2018-08-14.
Martínez F, Mueller T C, Schröder R. "A Process for Preparing High-Purity 2-(4-Methylpiperazin-1-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde" [P]. European Patent, EP 3262317 A1, 2017-09-04.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2012, 477, (9), 6596-6606.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2017, 92, 9727-9730.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Methylpiperazin-1-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde Using HRMS and NMR". Sci. Total Environ., 2014, 929, (3), 7356-7377.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2011, 1746, 2968-2977.