发明人何建平,徐明华,朱建伟. "Method for the Synthesis of Enzalutamide Impurity 44" [P]. 中国发明专利, 专利号 CN 113967813 A, 授权公告日 2018-08-07.
发明人何建平,张德明,杨光. "A Process for Preparing High-Purity Enzalutamide Impurity 44" [P]. 中国发明专利, 专利号 CN 111332174 B, 授权公告日 2023-06-18.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 恩扎卢胺杂质44 in Pharmaceutical Formulations". Environ. Sci. Technol., 2011, 947, 7750-7765.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 恩扎卢胺杂质44 as an Impurity". J. Nat. Prod., 2014, 2443, 9938-9952.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Enzalutamide Impurity 44 Using HRMS and NMR". Sci. Total Environ., 2018, 2321, 6707-6733.