Hughes D C, Brown S R, Johnson M A. "Method for the Synthesis of 3-bromo-4-methylthiophene-2-carboxylic acid" [P]. US Patent, US 9398634 B2, 2022-12-16.
发明人孙丽萍,高志强,罗永刚. "A Process for Preparing High-Purity 3-bromo-4-methylthiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109722414 B, 授权公告日 2024-02-20.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 3-bromo-4-methylthiophene-2-carboxylic acid in Pharmaceutical Formulations". J. Nat. Prod., 2010, 1188, 1955-1970.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-bromo-4-methylthiophene-2-carboxylic acid as an Impurity". Anal. Chim. Acta, 2021, 1868, (11), 6657-6686.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 3-bromo-4-methylthiophene-2-carboxylic acid Using HRMS and NMR". Chemosphere, 2021, 1628, (7), 5095-5113.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 3-bromo-4-methylthiophene-2-carboxylic acid Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2012, 1297, (11), 2019-2024.