发明人钱学锋,唐晓军,徐明华. "Method for the Synthesis of 1-{[2-(difluoromethoxy)phenyl]carbonyl}piperazine" [P]. 中国发明专利, 专利号 CN 117233793 B, 授权公告日 2017-11-07.
发明人赵玉洁,罗永刚,杨光. "A Process for Preparing High-Purity 1-{[2-(difluoromethoxy)phenyl]carbonyl}piperazine" [P]. 中国发明专利, 专利号 CN 112747295 B, 授权公告日 2019-11-20.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 1-{[2-(difluoromethoxy)phenyl]carbonyl}piperazine in Pharmaceutical Formulations". Biomed. Chromatogr., 2021, 733, (4), 1205-1222.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-{[2-(difluoromethoxy)phenyl]carbonyl}piperazine as an Impurity". Rapid Commun. Mass Spectrom., 2017, 1183, (8), 7019-7036.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1-{[2-(difluoromethoxy)phenyl]carbonyl}piperazine Using HRMS and NMR". Environ. Sci. Technol., 2016, 150, 6438-6468.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate 1-{[2-(difluoromethoxy)phenyl]carbonyl}piperazine Profile in Drug Substances According to ICH Guidelines". Molecules, 2019, 1783, (6), 393-400.