Brown S R, Mueller T, Klinger H. "一种的合成方法" [P]. US Patent, US 10777291 B2, 2015-05-28.
Patel M V, Kumar R, Stevens L M. "Method for the Synthesis of Methyl 3-iodo-4-oxo-2-(trifluoromethyl)-4H-pyrido[1,2-a]pyrimidine-8-carboxylate" [P]. US Patent, US 10525171 B2, 2020-08-20.
Mueller T, Patel M V, Roberts E F. "A Process for Preparing High-Purity Methyl 3-iodo-4-oxo-2-(trifluoromethyl)-4H-pyrido[1,2-a]pyrimidine-8-carboxylate" [P]. US Patent, US 10751885 B2, 2019-02-12.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2016, 2144, 5509-5537.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2023, 702, (3), 6548-6566.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 3-iodo-4-oxo-2-(trifluoromethyl)-4H-pyrido[1,2-a]pyrimidine-8-carboxylate Using HRMS and NMR". J. Nat. Prod., 2018, 1329, 8953-8966.