Johansson L, Nowak P, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3683992 A1, 2021-08-20.
Roberts E F, Schröder R, Hughes D C. "Method for the Synthesis of 1-(Pyridin-4-yl)piperazin-2-one" [P]. US Patent, US 10171537 B2, 2015-04-26.
Anderson J P, Williams B T, Patel M V. "A Process for Preparing High-Purity 1-(Pyridin-4-yl)piperazin-2-one" [P]. US Patent, US 9880860 B2, 2019-09-08.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2014, 588, (7), 2718-2723.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2014, 570, 560-574.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 1-(Pyridin-4-yl)piperazin-2-one Using HRMS and NMR". Environ. Sci. Technol., 2015, 800, (5), 4773-4788.