发明人马晓峰,胡光,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115112225 A, 授权公告日 2015-04-27.
Yamamoto T, Johnson M A, O'Brien P Q. "Method for the Synthesis of Ethyl 2-(6-((4-methyl-5-oxo-2,5-dihydrofuran-2-yl)oxy)-3-oxo-3H-xanthen-9-yl)benzoate" [P]. US Patent, US 10995239 B2, 2016-10-14.
Jørgensen K, Martínez F, Lefèvre J P. "A Process for Preparing High-Purity Ethyl 2-(6-((4-methyl-5-oxo-2,5-dihydrofuran-2-yl)oxy)-3-oxo-3H-xanthen-9-yl)benzoate" [P]. European Patent, EP 3933229 A1, 2024-08-28.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2024, 376, (3), 7762-7783.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2013, 700, (11), 3612-3628.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-(6-((4-methyl-5-oxo-2,5-dihydrofuran-2-yl)oxy)-3-oxo-3H-xanthen-9-yl)benzoate Using HRMS and NMR". Molecules, 2020, 609, (9), 5477-5495.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2018, 1715, 287-300.