An alpha-oxyketone that has a hydroxy group as the alpha-oxy moiety.
| Member | Definition | Role |
|---|
| 3-deoxyhexulose | A deoxyketohexose that is keto-D-fructose that is lacking the hydroxy group at position 3. A metabolite of 3-deoxyglucosone, a dicarbonyl sugar synthesised through the Maillard reaction. | 3-deoxy-keto-D-fructose |
| 3,7-dihydroxytropolone | A cyclic ketone that is tropolone in which the hydrogens at positions 3 and 7 are substituted by hydroxy groups. It is isolated from the soil bacterium Streptomyces tropolofaciens strain K611-97. | 3,7-dihydroxytropolone |
| tropolone | A cyclic ketone that is cyclohepta-2,4,6-trien-1-one substituted by a hydroxy group at position 2. It is a toxin produced by the agricultural pathogen Burkholderia plantarii. | tropolone |