中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 4-(2'-chloroprop-2'-enyl)-5-methyloxy-2-methyl-6,11-dihydroanthra<1,2-b>furan-6,11-dione | 72183-88-1 | C21H15ClO4 | 366.801 |
Boron trifluoride mediated cyclizations of ortho-methallyl-substituted homochiral anthraquinone acetals yield novel dioxepins, which are probably formed via free carbocation intermediates.