An organooxygen compound having the structure RR'C=C(OR'')(OR''') where R'', R''' =/= H. Formally, they are ethers of the enolic form of esters. They bear the same structural relationship to ketenes that acetals bear to aldehydes and ketones.
ChEBI ID: 145408
| Member | Definition | Role |
|---|---|---|
| aureothin | A C-nitro compound that is (3Z)-3-[(2E)-2-methyl-3-(4-nitrophenyl)prop-2-en-1-ylidene]tetrahydrofuran which is substituted by a 6-methoxy-3,5-dimethyl-4-oxo-4H-pyran-2-yl group at position 5. It is isolated from the soil bacterium, Streptomyces thioluteus and exhibits antitumor, antifungal, and insecticidal activities. | aureothin |
| lenampicillin | A penicillanic acid ester that is the (5-methyl-2-oxo-1,3-dioxol-4-yl)methyl ester of ampicillin. It is a prodrug of ampicillin. | lenampicillin |
| Timeframe | Studies, Drugs in This Class (%) | All Drugs % |
|---|---|---|
| pre-1990 | 18 (29.51) | 18.7374 |
| 1990's | 7 (11.48) | 18.2507 |
| 2000's | 18 (29.51) | 29.6817 |
| 2010's | 15 (24.59) | 24.3611 |
| 2020's | 3 (4.92) | 2.80 |
| Publication Type | Studies, Drugs in This Class (%) | All Drugs (%) |
|---|---|---|
| Trials | 4 (6.35%) | 5.53% |
| Reviews | 1 (1.59%) | 6.00% |
| Case Studies | 0 (0.00%) | 4.05% |
| Observational | 0 (0.00%) | 0.25% |
| Other | 58 (92.06%) | 84.16% |