Johnson M A, Davis P L, Fischer A B. "Method for the Synthesis of Ethyl 6-bromo-3-hydroxybenzo[b]thiophene-2-carboxylate" [P]. US Patent, US 10882949 B2, 2025-04-19.
Sørensen M, Johansson L, Jørgensen K. "A Process for Preparing High-Purity Ethyl 6-bromo-3-hydroxybenzo[b]thiophene-2-carboxylate" [P]. European Patent, EP 3823791 A1, 2025-12-24.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of 6-溴-3-羟基苯并[b]噻吩-2-羧酸乙酯 in Pharmaceutical Formulations". J. Nat. Prod., 2014, 2240, 1108-1115.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of 6-溴-3-羟基苯并[b]噻吩-2-羧酸乙酯 as an Impurity". Anal. Chim. Acta, 2014, 1608, (6), 3979-3995.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 6-bromo-3-hydroxybenzo[b]thiophene-2-carboxylate Using HRMS and NMR". Sci. Total Environ., 2023, 1658, 6293-6323.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate 6-溴-3-羟基苯并[b]噻吩-2-羧酸乙酯 Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2011, 525, (1), 4454-4457.