Lefèvre J P, Schröder R, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3937239 A1, 2022-04-20.
发明人周伟,韩伟,杨光. "Method for the Synthesis of (3 β)-3-Hydroxypregna-5,14,16-trien-20-one" [P]. 中国发明专利, 专利号 CN 112622727 B, 授权公告日 2020-04-10.
发明人李文辉,冯建国,郑宇鹏. "A Process for Preparing High-Purity (3 β)-3-Hydroxypregna-5,14,16-trien-20-one" [P]. 中国发明专利, 专利号 CN 112392868 B, 授权公告日 2022-12-19.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2010, 1834, (12), 6112-6126.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2011, 1423, (11), 6479-6501.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of (3 β)-3-Hydroxypregna-5,14,16-trien-20-one Using HRMS and NMR". J. Agric. Food Chem., 2021, 2000, (8), 6199-6206.