发明人赵玉洁,刘建华,韩伟. "一种1-(pyridin-4-yl)imidazolidin-2-one的合成方法" [P]. 中国发明专利, 专利号 CN 113545889 A, 授权公告日 2015-04-24.
发明人杨光,何建平,张德明. "Method for the Synthesis of 1-Pyridin-4-yl-imidazolidin-2-one, 98%" [P]. 中国发明专利, 专利号 CN 113820627 B, 授权公告日 2023-07-20.
发明人李文辉,周伟,马晓峰. "A Process for Preparing High-Purity 1-Pyridin-4-yl-imidazolidin-2-one, 98%" [P]. 中国发明专利, 专利号 CN 115369818 A, 授权公告日 2022-08-08.
参考文献 Literature
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Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-(pyridin-4-yl)imidazolidin-2-one as an Impurity". J. Sep. Sci., 2023, 1600, 3056-3086.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 1-Pyridin-4-yl-imidazolidin-2-one, 98% Using HRMS and NMR". J. Pharm. Biomed. Anal., 2021, 1801, (3), 3322-3326.