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In organic chemistry, a triketone or trione is an organic compound containing three
Image:Croconic_acid.svg, Croconic acid
Image:Ac3CH.svg,
ketone
In organic chemistry, a ketone is a functional group with the structure R–C(=O)–R', where R and R' can be a variety of carbon-containing substituents. Ketones contain a carbonyl group –C(=O)– (which contains a carbon-oxygen double bo ...
() groups. The simplest triketones, such as cyclopropanetrione
Cyclopropanetrione or trioxocyclopropane is a little-known oxide of carbon with formula C3O3. It consists of a ring of three carbon atoms each attached to an oxygen atom with a double bond. Alternately, it can be thought as a trimer of carbon m ...
and 2,3,4-pentanetrione, are only of occasional theoretical interest. More pertinent are triacetylmethane
Triacetylmethane is the organic compound with the formula . It is a colorless liquid that is soluble in organic solvents and in alkaline water. It readily forms an enolate. The enolate forms a variety of metal complex
A coordination complex ...
and 2,4,6-heptanetrione. Both species exist predominantly in the enol () forms.
Triacetylmethane
Triacetylmethane is the organic compound with the formula . It is a colorless liquid that is soluble in organic solvents and in alkaline water. It readily forms an enolate. The enolate forms a variety of metal complex
A coordination complex ...
Image:2,4,6-heptanetrione.svg, 2,4,6-Heptanetrione
2,4,6-Heptanetrione is the organic compound with the formula . It is a white or colorless solid. The molecule, which exists mainly in the enol form, undergoes condensation with 1,2-diketones. The compound contributes to the flavor of strawberri ...
Occurrence and significance
Tri- and polyketones are of practical importance as intermediates in the biosynthesis of polyketides. Thesenatural product
A natural product is a natural compound or substance produced by a living organism—that is, found in nature. In the broadest sense, natural products include any substance produced by life. Natural products can also be prepared by chemical syn ...
s are a major source of antibiotic
An antibiotic is a type of antimicrobial substance active against bacteria. It is the most important type of antibacterial agent for fighting bacterial infections, and antibiotic medications are widely used in the treatment and prevention of ...
s.
See also
* DiketoneReferences
External links
*{{Commonscatinline, Triketones