Lefèvre J P, Martínez F, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3163996 A1, 2022-02-01.
Patel M V, O'Brien P Q, Lee S K. "Method for the Synthesis of 7-bromo-2-chloro-4-methyl-benzofuran" [P]. US Patent, US 9886133 B2, 2021-06-21.
发明人徐明华,黄志刚,郑宇鹏. "A Process for Preparing High-Purity 7-bromo-2-chloro-4-methyl-benzofuran" [P]. 中国发明专利, 专利号 CN 110403204 B, 授权公告日 2023-06-19.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2012, 989, (11), 387-401.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2014, 1891, 5505-5534.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 7-bromo-2-chloro-4-methyl-benzofuran Using HRMS and NMR". Chemosphere, 2020, 2344, 8586-8610.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2013, 136, 1218-1241.