发明人韩伟,罗永刚,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111522938 A, 授权公告日 2024-08-20.
Johnson M A, O'Brien P Q, Hughes D C. "Method for the Synthesis of 1,1-Dioxo-2,3-dihydro-1lambda6-benzothiophene-3-sulfonyl chloride" [P]. US Patent, US 11637242 B2, 2025-12-26.
发明人李文辉,赵玉洁,朱建伟. "A Process for Preparing High-Purity 1,1-Dioxo-2,3-dihydro-1lambda6-benzothiophene-3-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 111402933 A, 授权公告日 2018-06-07.
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". Food Chem., 2023, 217, (2), 4828-4839.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2011, 569, (10), 3904-3932.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 1,1-Dioxo-2,3-dihydro-1lambda6-benzothiophene-3-sulfonyl chloride Using HRMS and NMR". Phytochemistry, 2014, 1504, 2695-2719.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2016, 1184, (9), 1138-1165.