发明人张德明,唐晓军,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115236959 A, 授权公告日 2024-03-16.
发明人刘建华,何建平,罗永刚. "Method for the Synthesis of (R)-2-(Difluoromethyl)piperazine dihydrochloride" [P]. 中国发明专利, 专利号 CN 115766603 B, 授权公告日 2015-11-23.
Park J H, Anderson J P, Brown S R. "A Process for Preparing High-Purity (R)-2-(Difluoromethyl)piperazine dihydrochloride" [P]. US Patent, US 10143814 B2, 2018-05-26.
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". J. Chromatogr. A, 2020, 2181, 7172-7193.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2016, 2397, 9471-9480.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of (R)-2-(Difluoromethyl)piperazine dihydrochloride Using HRMS and NMR". Phytochemistry, 2010, 208, (11), 5576-5599.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2011, 1371, (8), 151-161.