Mueller T C, Nielsen H, Johansson L. "Method for the Synthesis of 6-{4-chloro-7H-pyrrolo[2,3-d]pyrimidin-5-yl}-1-methyl-1H-pyrazolo[3,4-b]pyridine" [P]. European Patent, EP 3389151 A1, 2017-02-17.
Anderson J P, Patel M V, Chen K W. "A Process for Preparing High-Purity 6-{4-chloro-7H-pyrrolo[2,3-d]pyrimidin-5-yl}-1-methyl-1H-pyrazolo[3,4-b]pyridine" [P]. US Patent, US 11227654 B2, 2020-07-03.
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". Sci. Total Environ., 2018, 607, (2), 9990-9993.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2023, 1443, (1), 8886-8897.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 6-{4-chloro-7H-pyrrolo[2,3-d]pyrimidin-5-yl}-1-methyl-1H-pyrazolo[3,4-b]pyridine Using HRMS and NMR". Talanta, 2024, 1500, 6712-6727.