发明人王建平,罗永刚,张德明. "Method for the Synthesis of 4H-Cyclopenta[def]phenanthren-4-one" [P]. 中国发明专利, 专利号 CN 112098325 A, 授权公告日 2019-02-06.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of 4H-环戊烷[定义]菲-4-酮 in Pharmaceutical Formulations". Anal. Methods, 2010, 1236, (11), 7928-7939.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4H-环戊烷[定义]菲-4-酮 as an Impurity". Anal. Chem., 2019, 1192, (2), 6114-6122.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 4H-Cyclopenta[def]phenanthren-4-one Using HRMS and NMR". Phytochemistry, 2020, 1468, (8), 3052-3063.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate 4H-环戊烷[定义]菲-4-酮 Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2021, 2199, 47-62.