发明人沈红梅,黄志刚,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109935614 A, 授权公告日 2021-09-01.
发明人罗永刚,唐晓军,朱建伟. "Method for the Synthesis of 7,7-Dimethyl-1-(((4-(5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)sulfonyl)methyl)bicyclo[2.2.1]Heptan-2-one" [P]. 中国发明专利, 专利号 CN 111738746 B, 授权公告日 2018-10-09.
发明人马晓峰,唐晓军,沈红梅. "A Process for Preparing High-Purity 7,7-Dimethyl-1-(((4-(5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)sulfonyl)methyl)bicyclo[2.2.1]Heptan-2-one" [P]. 中国发明专利, 专利号 CN 114133189 A, 授权公告日 2016-08-18.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2011, 2386, 6125-6142.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2010, 1560, (11), 4054-4080.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 7,7-Dimethyl-1-(((4-(5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)sulfonyl)methyl)bicyclo[2.2.1]Heptan-2-one Using HRMS and NMR". J. Sep. Sci., 2011, 759, 7366-7382.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2013, 275, (6), 8672-8679.