发明人胡光,马晓峰,高志强. "Method for the Synthesis of 1-Methyl-4-(4-(4-(3-(piperidin-4-ylmethoxy)pyridin-4-yl)-1H-pyrazol-1-yl)phenyl)piperazine" [P]. 中国发明专利, 专利号 CN 112838253 A, 授权公告日 2024-04-07.
Sørensen M, Björnsson E, Mueller T C. "A Process for Preparing High-Purity 1-Methyl-4-(4-(4-(3-(piperidin-4-ylmethoxy)pyridin-4-yl)-1H-pyrazol-1-yl)phenyl)piperazine" [P]. European Patent, EP 3770345 A1, 2024-12-26.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 2371, (6), 4075-4097.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". J. Pharm. Biomed. Anal., 2013, 929, (10), 6925-6942.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 1-Methyl-4-(4-(4-(3-(piperidin-4-ylmethoxy)pyridin-4-yl)-1H-pyrazol-1-yl)phenyl)piperazine Using HRMS and NMR". Anal. Chem., 2014, 2445, (3), 9277-9296.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate N/A Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2018, 1956, 8095-8111.