Nielsen H, Johansson L, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3757987 A1, 2023-07-06.
Yamamoto T, Anderson J P, Chen K W. "Method for the Synthesis of Ethyl 6-methoxybenzofuran-3-carboxylate" [P]. US Patent, US 11785084 B2, 2017-05-06.
Sørensen M, Nielsen H, Mueller T C. "A Process for Preparing High-Purity Ethyl 6-methoxybenzofuran-3-carboxylate" [P]. European Patent, EP 3825133 A1, 2016-02-27.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2018, 1627, (4), 9362-9370.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2014, 1366, 1286-1310.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 6-methoxybenzofuran-3-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2011, 839, (11), 3126-3138.