中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
2,5-二(4-甲氧基苯基)-2,5-环己二烯-1,4-二酮 | 2,5-bis-(4-methoxyphenyl)-1,4-benzoquinone | 5333-03-9 | C20H16O4 | 320.345 |
Total syntheses of the p-terphenyls butlerin A (1) (3′,4,4′′,6′-tetramethoxy[1,1′:4′,1′′-terphenyl]-2′-yl acetate), butlerin B (2) (3′,4,4′′,5′-tetramethoxy[1,1′:4′,1′′-terphenyl]-2′-yl acetate) and butlerin C (3) (3′,4,4′′-trimethoxy[1,1′:4′,1′′-terphenyl]-2′,6′-diyl diacetate), previously isolated from the lichen Relicina connivens, are reported.