中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | (4'R,5'R)-2-(4',5'-dimethyl-1',3'-dioxolan-2'-yl)-4-hydroxy-1-methoxy-3-(2''-methylprop-2''-enyl)anthraquinone | 130514-67-9 | C24H24O6 | 408.451 |
—— | (4'R,6'R)-2-(4',6'-dimethyl-1',3'-dioxan-2'-yl)-4-hydroxy-1-methoxy-3-(2''-methylprop-2''-enyl)anthraquinone | 182821-79-0 | C25H26O6 | 422.478 |
—— | (4'R,6'R)-2-(4',6'-dimethyl-1',3'-dioxan-2'-yl)-1-methoxy-4-(2''-methylprop-2''-enyloxy)anthraquinone | 182821-78-9 | C25H26O6 | 422.478 |
—— | (4'R,6'R)-2-(4',6'-dimethyl-1',3'-dioxan-2'-yl)-4-hydroxy-1-methoxyanthraquinone | 163151-42-6 | C21H20O6 | 368.386 |
Boron trifluoride mediated cyclizations of ortho-methallyl-substituted homochiral anthraquinone acetals yield novel dioxepins, which are probably formed via free carbocation intermediates.