Björnsson E, Lefèvre J P, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3397497 A1, 2022-01-05.
发明人胡光,王建平,李文辉. "Method for the Synthesis of 2-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-1-{4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl}ethan-1-one" [P]. 中国发明专利, 专利号 CN 112675322 B, 授权公告日 2019-11-09.
发明人唐晓军,杨光,孙丽萍. "A Process for Preparing High-Purity 2-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-1-{4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl}ethan-1-one" [P]. 中国发明专利, 专利号 CN 112339470 B, 授权公告日 2025-11-16.
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". Sci. Total Environ., 2017, 1004, 7175-7184.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2015, 797, 3337-3361.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-1-{4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl}ethan-1-one Using HRMS and NMR". Chromatographia, 2011, 1584, 5496-5517.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2025, 1221, (11), 4423-4446.