Yamamoto T, Williams B T, Patel M V. "一种的合成方法" [P]. US Patent, US 10242250 B2, 2023-01-05.
发明人王建平,罗永刚,钱学锋. "Method for the Synthesis of (S)-4-(4-amino-2-fluorophenoxy)-1-(4-methoxybenzyl)-N-(1-methoxypropan-2-yl)-1H-pyrazolo[3,4-b]pyridin-3-amine" [P]. 中国发明专利, 专利号 CN 110029961 B, 授权公告日 2016-10-11.
发明人郑宇鹏,徐明华,陈志强. "A Process for Preparing High-Purity (S)-4-(4-amino-2-fluorophenoxy)-1-(4-methoxybenzyl)-N-(1-methoxypropan-2-yl)-1H-pyrazolo[3,4-b]pyridin-3-amine" [P]. 中国发明专利, 专利号 CN 116323988 B, 授权公告日 2020-04-05.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2023, 441, (12), 8173-8202.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2020, 2395, 5305-5325.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of (S)-4-(4-amino-2-fluorophenoxy)-1-(4-methoxybenzyl)-N-(1-methoxypropan-2-yl)-1H-pyrazolo[3,4-b]pyridin-3-amine Using HRMS and NMR". Food Chem., 2019, 802, (9), 6278-6282.