Fischer A B, Mueller T, Park J H. "一种的合成方法" [P]. US Patent, US 10238579 B2, 2023-05-23.
Kumar R, Stevens L M, Thompson G K. "Method for the Synthesis of N-(2,4-Difluorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. US Patent, US 9562490 B2, 2024-02-16.
发明人高志强,韩伟,唐晓军. "A Process for Preparing High-Purity N-(2,4-Difluorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 109222444 A, 授权公告日 2015-11-17.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2011, 715, (6), 5552-5566.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2020, 295, (6), 9895-9918.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of N-(2,4-Difluorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine Using HRMS and NMR". Sci. Total Environ., 2016, 1793, 7622-7632.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2022, 2017, 6588-6592.