Davis P L, O'Brien P Q, Johnson M A. "一种1,2-二氢-3H-吡唑-3-酮的合成方法" [P]. US Patent, US 10722388 B2, 2019-07-16.
发明人罗永刚,冯建国,杨光. "Method for the Synthesis of 1,2-Dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 116630036 A, 授权公告日 2021-10-28.
发明人陈志强,李文辉,高志强. "A Process for Preparing High-Purity 1,2-Dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 108921558 A, 授权公告日 2016-03-11.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 1,2-二氢-3H-吡唑-3-酮 in Pharmaceutical Formulations". J. Nat. Prod., 2012, 1229, (6), 2024-2039.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1,2-二氢-3H-吡唑-3-酮 as an Impurity". Phytochemistry, 2020, 429, (5), 6711-6725.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 1,2-Dihydro-3H-pyrazol-3-one Using HRMS and NMR". J. Pharm. Biomed. Anal., 2014, 1267, 2221-2240.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 1,2-二氢-3H-吡唑-3-酮 Profile in Drug Substances According to ICH Guidelines". Molecules, 2016, 565, 2896-2918.