发明人李文辉,王建平,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110648286 A, 授权公告日 2017-06-19.
发明人冯建国,郑宇鹏,徐明华. "Method for the Synthesis of 6-Chloro-N-cyclopropyl-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 108046793 B, 授权公告日 2019-01-20.
发明人周伟,高志强,郭海燕. "A Process for Preparing High-Purity 6-Chloro-N-cyclopropyl-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 117858870 B, 授权公告日 2025-10-26.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2014, 1845, 4663-4686.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2023, 1705, 2765-2787.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 6-Chloro-N-cyclopropyl-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine Using HRMS and NMR". Molecules, 2013, 1012, (9), 5754-5784.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2017, 641, (9), 8922-8934.