发明人韩伟,孙丽萍,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114725735 A, 授权公告日 2019-04-06.
Patel M V, Roberts E F, Thompson G K. "Method for the Synthesis of 2-Ethyl-2-methyl-2,3-dihydro-4H-pyran-4-one" [P]. US Patent, US 9152482 B2, 2024-04-03.
Mueller T, Kumar R, Yamamoto T. "A Process for Preparing High-Purity 2-Ethyl-2-methyl-2,3-dihydro-4H-pyran-4-one" [P]. US Patent, US 11343860 B2, 2019-04-22.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 1276, (1), 2423-2445.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2022, 140, (5), 4401-4425.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 2-Ethyl-2-methyl-2,3-dihydro-4H-pyran-4-one Using HRMS and NMR". Anal. Methods, 2014, 2072, (5), 6459-6484.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2012, 235, 3725-3748.