Chen K W, Mueller T, Yamamoto T. "一种1-methyl-5-(trifluoromethyl)-1H-pyrazole-4-sulfonyl chloride的合成方法" [P]. US Patent, US 9349198 B2, 2022-02-07.
发明人刘建华,马晓峰,郭海燕. "Method for the Synthesis of 1-methyl-5-(trifluoromethyl)-1H-pyrazole-4-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 114577377 B, 授权公告日 2023-12-11.
发明人杨光,马晓峰,郭海燕. "A Process for Preparing High-Purity 1-methyl-5-(trifluoromethyl)-1H-pyrazole-4-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 116550304 A, 授权公告日 2015-05-27.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 1-methyl-5-(trifluoromethyl)-1H-pyrazole-4-sulfonyl chloride in Pharmaceutical Formulations". Talanta, 2012, 935, 5539-5546.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-methyl-5-(trifluoromethyl)-1H-pyrazole-4-sulfonyl chloride as an Impurity". Anal. Chem., 2020, 2237, (12), 9392-9398.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1-methyl-5-(trifluoromethyl)-1H-pyrazole-4-sulfonyl chloride Using HRMS and NMR". Anal. Chim. Acta, 2011, 2061, 2086-2097.