Brown S R, Yamamoto T, Park J H. "一种的合成方法" [P]. US Patent, US 9713980 B2, 2023-02-03.
Mueller T, Kumar R, Brown S R. "Method for the Synthesis of 2,2-Difluoro-1-(5-fluoropyridin-2-yl)ethan-1-one" [P]. US Patent, US 11870832 B2, 2017-10-22.
Schröder R, Yamamoto T, Chen K W. "A Process for Preparing High-Purity 2,2-Difluoro-1-(5-fluoropyridin-2-yl)ethan-1-one" [P]. US Patent, US 11995597 B2, 2021-05-08.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2015, 1142, (6), 9642-9665.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2017, 441, (1), 6424-6442.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 2,2-Difluoro-1-(5-fluoropyridin-2-yl)ethan-1-one Using HRMS and NMR". Molecules, 2016, 196, (7), 6265-6284.