发明人黄志刚,王建平,周伟. "一种卡培他滨杂质56的合成方法" [P]. 中国发明专利, 专利号 CN 113233403 A, 授权公告日 2022-06-21.
Mueller T, Patel M V, Brown S R. "Method for the Synthesis of Capecitabine Impurity 56" [P]. US Patent, US 9589121 B2, 2020-01-04.
发明人刘建华,钱学锋,朱建伟. "A Process for Preparing High-Purity Capecitabine Impurity 56" [P]. 中国发明专利, 专利号 CN 113561788 A, 授权公告日 2017-11-03.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 卡培他滨杂质56 in Pharmaceutical Formulations". Food Chem., 2011, 2282, (7), 6787-6810.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 卡培他滨杂质56 as an Impurity". J. Chromatogr. A, 2013, 2264, 2929-2954.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Capecitabine Impurity 56 Using HRMS and NMR". Talanta, 2017, 96, (5), 5076-5084.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate 卡培他滨杂质56 Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2018, 282, (11), 6474-6490.