Lefèvre J P, Mueller T C, Schröder R. "一种3-methyl-2,3-dihydro-1-benzofuran-5-carboxylic acid的合成方法" [P]. European Patent, EP 3884329 A1, 2024-04-02.
Fischer A B, Mueller T, Park J H. "Method for the Synthesis of 3-methyl-2,3-dihydro-1-benzofuran-5-carboxylic acid" [P]. US Patent, US 9956069 B2, 2017-10-17.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 3-methyl-2,3-dihydro-1-benzofuran-5-carboxylic acid in Pharmaceutical Formulations". Environ. Sci. Technol., 2011, 1920, 1363-1367.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-methyl-2,3-dihydro-1-benzofuran-5-carboxylic acid as an Impurity". J. Chromatogr. A, 2015, 118, (5), 4819-4831.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 3-methyl-2,3-dihydro-1-benzofuran-5-carboxylic acid Using HRMS and NMR". Anal. Methods, 2021, 807, (9), 9682-9688.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate 3-methyl-2,3-dihydro-1-benzofuran-5-carboxylic acid Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2022, 204, (3), 2351-2373.