发明人罗永刚,陈志强,刘建华. "Method for the Synthesis of Selexipag Impurity 51" [P]. 中国发明专利, 专利号 CN 110345482 B, 授权公告日 2020-05-24.
Mueller T, O'Brien P Q, Davis P L. "A Process for Preparing High-Purity Selexipag Impurity 51" [P]. US Patent, US 9473308 B2, 2021-08-14.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 司来帕格杂质51 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2013, 1058, 8540-8562.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 司来帕格杂质51 as an Impurity". Phytochemistry, 2021, 1437, 8994-8999.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Selexipag Impurity 51 Using HRMS and NMR". Food Chem., 2015, 321, (12), 2954-2970.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate 司来帕格杂质51 Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2017, 141, (4), 5190-5212.