发明人罗永刚,陈志强,李文辉. "Method for the Synthesis of 3-chloro-5-(chlorosulfonyl)-2-methylbenzoic acid" [P]. 中国发明专利, 专利号 CN 112903694 A, 授权公告日 2025-07-05.
Rossi M, Björnsson E, Nielsen H. "A Process for Preparing High-Purity 3-chloro-5-(chlorosulfonyl)-2-methylbenzoic acid" [P]. European Patent, EP 3587705 A1, 2024-06-15.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 3-chloro-5-(chlorosulfonyl)-2-methylbenzoic acid in Pharmaceutical Formulations". J. Sep. Sci., 2012, 910, (7), 8360-8375.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-chloro-5-(chlorosulfonyl)-2-methylbenzoic acid as an Impurity". Chemosphere, 2012, 1716, (6), 6619-6637.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 3-chloro-5-(chlorosulfonyl)-2-methylbenzoic acid Using HRMS and NMR". Talanta, 2014, 290, 8764-8788.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate 3-chloro-5-(chlorosulfonyl)-2-methylbenzoic acid Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2019, 2197, 2961-2982.