发明人郭海燕,钱学锋,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110939706 A, 授权公告日 2021-10-06.
Mueller T C, Nielsen H, Rossi M. "Method for the Synthesis of 1-(tert-Butyl) 4-ethyl (R)-5-hydroxy-2-methyl-3,6-dihydropyridine-1,4(2H)-dicarboxylate" [P]. European Patent, EP 3468989 A1, 2019-12-22.
发明人冯建国,孙丽萍,李文辉. "A Process for Preparing High-Purity 1-(tert-Butyl) 4-ethyl (R)-5-hydroxy-2-methyl-3,6-dihydropyridine-1,4(2H)-dicarboxylate" [P]. 中国发明专利, 专利号 CN 115931773 A, 授权公告日 2025-01-17.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2014, 795, (2), 2705-2711.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2017, 2458, 6415-6442.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 1-(tert-Butyl) 4-ethyl (R)-5-hydroxy-2-methyl-3,6-dihydropyridine-1,4(2H)-dicarboxylate Using HRMS and NMR". J. Chromatogr. A, 2019, 931, (6), 6361-6374.