Thompson G K, Johnson M A, Williams B T. "Method for the Synthesis of Capecitabine Impurity 47" [P]. US Patent, US 9834853 B2, 2024-10-14.
发明人钱学锋,徐明华,韩伟. "A Process for Preparing High-Purity Capecitabine Impurity 47" [P]. 中国发明专利, 专利号 CN 108930263 A, 授权公告日 2025-12-10.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 卡培他滨杂质47 in Pharmaceutical Formulations". Sci. Total Environ., 2019, 2437, 3246-3264.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 卡培他滨杂质47 as an Impurity". Anal. Chim. Acta, 2011, 1323, (11), 9900-9920.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Capecitabine Impurity 47 Using HRMS and NMR". J. Sep. Sci., 2021, 1642, (7), 8803-8813.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate 卡培他滨杂质47 Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2015, 637, (12), 5388-5412.