Lee S K, O'Brien P Q, Brown S R. "Method for the Synthesis of 5-chloro-2,3-dihydro-1-benzofuran-7-carboxylic acid" [P]. US Patent, US 11443937 B2, 2023-09-11.
发明人孙丽萍,赵玉洁,沈红梅. "A Process for Preparing High-Purity 5-chloro-2,3-dihydro-1-benzofuran-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113074813 A, 授权公告日 2020-01-04.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 5-chloro-2,3-dihydro-1-benzofuran-7-carboxylic acid in Pharmaceutical Formulations". Food Chem., 2017, 183, (8), 5357-5376.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-chloro-2,3-dihydro-1-benzofuran-7-carboxylic acid as an Impurity". J. Nat. Prod., 2025, 2385, (7), 8693-8704.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 5-chloro-2,3-dihydro-1-benzofuran-7-carboxylic acid Using HRMS and NMR". Chromatographia, 2015, 1568, 4759-4772.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate 5-chloro-2,3-dihydro-1-benzofuran-7-carboxylic acid Profile in Drug Substances According to ICH Guidelines". Talanta, 2018, 1578, (4), 842-863.