Williams B T, Park J H, Brown S R. "一种5-bromo-2,3-dihydro-1-benzofuran-7-sulfonamide的合成方法" [P]. US Patent, US 11271582 B2, 2019-06-10.
Thompson G K, Patel M V, O'Brien P Q. "Method for the Synthesis of 5-bromo-2,3-dihydro-1-benzofuran-7-sulfonamide" [P]. US Patent, US 10709819 B2, 2022-10-18.
Björnsson E, Rossi M, Sørensen M. "A Process for Preparing High-Purity 5-bromo-2,3-dihydro-1-benzofuran-7-sulfonamide" [P]. European Patent, EP 3682020 A1, 2025-12-17.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 5-bromo-2,3-dihydro-1-benzofuran-7-sulfonamide in Pharmaceutical Formulations". Food Chem., 2010, 911, 5619-5634.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-bromo-2,3-dihydro-1-benzofuran-7-sulfonamide as an Impurity". Anal. Methods, 2021, 412, 5165-5191.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 5-bromo-2,3-dihydro-1-benzofuran-7-sulfonamide Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2012, 1677, (12), 2372-2378.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate 5-bromo-2,3-dihydro-1-benzofuran-7-sulfonamide Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2017, 1669, 8902-8928.