中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
17beta-乙酰基-5,6alpha-环氧-5alpha-雄甾烷-3beta-醇乙酸酯 | 5α,6α-epoxy-20-oxopregnan-3β-yl acetate | 14148-09-5 | C23H34O4 | 374.521 |
—— | 3β,5α,6β-trihydroxypregnan-20-one | 599-28-0 | C21H34O4 | 350.499 |
—— | 5α-hydroxy-6β-methylpregnan-3,20-dione | 14423-36-0 | C22H34O3 | 346.51 |
High chemoselectivity for the C5C6epoxidation of cholesterol derivatives without protecting other oxidizable functional groups was achieved on a newly designed molecularly imprinted Ru–porphyrin catalyst using a SiO2-support.