Mueller T C, Nielsen H, Nowak P. "一种1-(4-羧基苯基)-3-甲基-5-吡唑酮的合成方法" [P]. European Patent, EP 3378259 A1, 2024-06-19.
发明人赵玉洁,李文辉,唐晓军. "Method for the Synthesis of 60875-16-3
I29T029IWB
4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzoic acid
Benzoic acid, 4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-
4-(4,5-Dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzoic acid
EINECS 262-509-6
UNII-I29T029IWB" [P]. 中国发明专利, 专利号 CN 111858622 B, 授权公告日 2017-02-14.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 1-(4-羧基苯基)-3-甲基-5-吡唑酮 in Pharmaceutical Formulations". Anal. Methods, 2014, 893, (3), 6677-6704.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-(4-羧基苯基)-3-甲基-5-吡唑酮 as an Impurity". Anal. Chem., 2021, 478, (7), 3286-3304.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 60875-16-3
I29T029IWB
4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzoic acid
Benzoic acid, 4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-
4-(4,5-Dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzoic acid
EINECS 262-509-6
UNII-I29T029IWB Using HRMS and NMR". Biomed. Chromatogr., 2013, 2373, 9005-9009.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate 1-(4-羧基苯基)-3-甲基-5-吡唑酮 Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2016, 1610, 4076-4106.