发明人孙丽萍,黄志刚,朱建伟. "Method for the Synthesis of 1-(2,5-Dimethyl-phenyl)-2,2-difluoro-ethanone" [P]. 中国发明专利, 专利号 CN 114787940 A, 授权公告日 2020-10-20.
发明人杨光,胡光,罗永刚. "A Process for Preparing High-Purity 1-(2,5-Dimethyl-phenyl)-2,2-difluoro-ethanone" [P]. 中国发明专利, 专利号 CN 110553783 A, 授权公告日 2020-07-12.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2012, 966, 8647-8668.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2017, 901, 2422-2425.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2,5-Dimethyl-phenyl)-2,2-difluoro-ethanone Using HRMS and NMR". J. Pharm. Biomed. Anal., 2010, 2207, (1), 8162-8184.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2015, 2463, (8), 3107-3136.