发明人胡光,周伟,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112512898 A, 授权公告日 2018-02-12.
Thompson G K, Anderson J P, Mueller T. "Method for the Synthesis of 2-(Tert-butyl)-4-(2-hydroxyethyl)-1-((4-methoxyphenyl)sulfonyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one" [P]. US Patent, US 11931161 B2, 2023-12-06.
发明人刘建华,徐明华,郑宇鹏. "A Process for Preparing High-Purity 2-(Tert-butyl)-4-(2-hydroxyethyl)-1-((4-methoxyphenyl)sulfonyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 115850966 A, 授权公告日 2021-06-23.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2016, 2193, 7044-7067.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2025, 2254, 493-506.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Tert-butyl)-4-(2-hydroxyethyl)-1-((4-methoxyphenyl)sulfonyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one Using HRMS and NMR". Molecules, 2022, 1986, (7), 9407-9416.