Lee S K, Johnson M A, Yamamoto T. "一种的合成方法" [P]. US Patent, US 10321386 B2, 2015-01-19.
Nowak P, Rossi M, Kowalski A. "Method for the Synthesis of (betaR)-beta-Cyclopentyl-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazole-1-propanenitrile 2,2,2-trifluoroacetate" [P]. European Patent, EP 3450013 A1, 2017-01-11.
发明人唐晓军,罗永刚,马晓峰. "A Process for Preparing High-Purity (betaR)-beta-Cyclopentyl-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazole-1-propanenitrile 2,2,2-trifluoroacetate" [P]. 中国发明专利, 专利号 CN 116128640 B, 授权公告日 2017-02-02.
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". J. Chromatogr. A, 2023, 2327, (2), 6534-6549.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2021, 1070, (2), 6811-6824.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of (betaR)-beta-Cyclopentyl-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazole-1-propanenitrile 2,2,2-trifluoroacetate Using HRMS and NMR". Molecules, 2022, 231, (6), 3071-3091.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2021, 1706, 1077-1082.