An organic heterotetracyclic compound resulting from the formal fusion of a naphthalene with a chromene.
ChEBI ID: 68504
| Member | Definition | Role |
|---|---|---|
| topopyrone c | A naphthochromene that is 4H-naphtho[2,3-h]chromene-4,7,12-trione substituted by hydroxy groups at positions 5, 9 and 11 and a methyl group at position 2. It is isolated from fungal strains Phoma and Penicillium and acts as an inhibitor of the enzyme topoisomerase I. | topopyrone C |
| Timeframe | Studies, Drugs in This Class (%) | All Drugs % |
|---|---|---|
| pre-1990 | 0 (0.00) | 18.7374 |
| 1990's | 0 (0.00) | 18.2507 |
| 2000's | 3 (60.00) | 29.6817 |
| 2010's | 2 (40.00) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Publication Type | Studies, Drugs in This Class (%) | All Drugs (%) |
|---|---|---|
| Trials | 0 (0.00%) | 5.53% |
| Reviews | 0 (0.00%) | 6.00% |
| Case Studies | 0 (0.00%) | 4.05% |
| Observational | 0 (0.00%) | 0.25% |
| Other | 5 (100.00%) | 84.16% |