发明人沈红梅,马晓峰,朱建伟. "Method for the Synthesis of Tadalafil Impurity 60" [P]. 中国发明专利, 专利号 CN 112607058 A, 授权公告日 2016-07-15.
发明人郑宇鹏,罗永刚,王建平. "A Process for Preparing High-Purity Tadalafil Impurity 60" [P]. 中国发明专利, 专利号 CN 111422331 A, 授权公告日 2018-07-25.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of 他达拉非杂质60 in Pharmaceutical Formulations". Sci. Total Environ., 2021, 754, (5), 9592-9620.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 他达拉非杂质60 as an Impurity". Anal. Chem., 2017, 1527, 8097-8112.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Tadalafil Impurity 60 Using HRMS and NMR". Food Chem., 2021, 1087, 5201-5214.