Park J H, Lee S K, Hughes D C. "一种的合成方法" [P]. US Patent, US 9337408 B2, 2020-12-10.
Björnsson E, Jørgensen K, Mueller T C. "Method for the Synthesis of Methyl 2-ethyl-6-oxo-1,6-dihydropyridine-3-carboxylate" [P]. European Patent, EP 3494096 A1, 2020-01-24.
Chen K W, Kumar R, Anderson J P. "A Process for Preparing High-Purity Methyl 2-ethyl-6-oxo-1,6-dihydropyridine-3-carboxylate" [P]. US Patent, US 11829046 B2, 2021-01-21.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2016, 1166, 977-980.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2023, 1744, 6014-6027.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-ethyl-6-oxo-1,6-dihydropyridine-3-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2012, 1786, 1464-1483.