Lefèvre J P, Sørensen M, Mueller T C. "Method for the Synthesis of Methyl 4-fluoro-1H-pyrrolo[2,3-b]pyridine-3-carboxylate" [P]. European Patent, EP 3095198 A1, 2019-06-27.
Lee S K, Thompson G K, Chen K W. "A Process for Preparing High-Purity Methyl 4-fluoro-1H-pyrrolo[2,3-b]pyridine-3-carboxylate" [P]. US Patent, US 10350290 B2, 2016-01-19.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 4-氟-1H-吡咯并[2,3-b]吡啶-3-羧酸甲酯 in Pharmaceutical Formulations". Environ. Sci. Technol., 2012, 1702, (4), 3453-3478.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-氟-1H-吡咯并[2,3-b]吡啶-3-羧酸甲酯 as an Impurity". Anal. Chim. Acta, 2022, 666, (6), 4176-4181.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4-fluoro-1H-pyrrolo[2,3-b]pyridine-3-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2020, 167, (6), 810-820.