中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
凯林酮 | 5-acetyl-6-hydroxy-4,7-dimethoxybenzofuran | 484-51-5 | C12H12O5 | 236.224 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 4,5,9-trimethoxy-furo[3,2-g]chromen-7-one | 146898-29-5 | C14H12O6 | 276.246 |
—— | 5,8-dimethoxy-4-(4-phenoxybutoxy)psoralen | 1158849-50-3 | C23H22O7 | 410.423 |
—— | 6-Chloro-5-hydroxy-4,9-dimethoxy-furo[3,2-g]chromen-7-one | 919367-10-5 | C13H9ClO6 | 296.664 |
—— | 7H-Furo(3,2-g)(1)benzopyran-7-one, 6,6'-(phenylmethylene)bis(5-hydroxy-4,9-dimethoxy- | 119560-29-1 | C33H24O12 | 612.546 |
—— | 5-Chloro-4,9-dimethoxy-7-oxo-7H-furo[3,2-g]chromene-6-carbaldehyde | 196874-49-4 | C14H9ClO6 | 308.675 |
A number of new linearly fused furochromones were synthesized. The methodology was performed starting from naturally occurring visnagin and khellin via enaminone formation using N,N-dimethyl formamide dimethylacetal followed by ring closure in acidic medium. Various reactions on the enaminone derivatives are described.