发明人陈志强,罗永刚,孙丽萍. "一种4-[(piperazin-1-yl)carbonyl]-2,3-dihydro-1H-imidazol-2-one的合成方法" [P]. 中国发明专利, 专利号 CN 110586399 A, 授权公告日 2025-04-24.
发明人韩伟,冯建国,郑宇鹏. "Method for the Synthesis of 4-[(piperazin-1-yl)carbonyl]-2,3-dihydro-1H-imidazol-2-one" [P]. 中国发明专利, 专利号 CN 109736380 A, 授权公告日 2024-06-04.
参考文献 Literature
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Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-[(piperazin-1-yl)carbonyl]-2,3-dihydro-1H-imidazol-2-one as an Impurity". Talanta, 2018, 1034, (8), 7831-7849.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4-[(piperazin-1-yl)carbonyl]-2,3-dihydro-1H-imidazol-2-one Using HRMS and NMR". Anal. Chim. Acta, 2020, 1563, 4195-4218.