Nomenclature of aldehydes and ketones
Nomenclature of aldehydes
Some compounds with their common names as well as their IUPAC names are given below :
- Common name : Formaldehyde
- IUPAC name : Methan-1-al
- Common name : Acetaldehyde
- IUPAC name : Ethanal
Some other examples of aldehydes
2-Methylpropan-1-al
2-Phenylethanal
3-Phenylprop-2-en-1-al
When the -CHO group appears more than two times, then the compound is named differently. Compare the following two examples; if you have any difficulty understanding them, refer to nomenclature of polyfunctional compounds.
Butane-1,2,4-tricarbaldehyde
3-(Formylmethyl)hexane-1,6-dial
Nomenclature of aromatic aldehydes
Benzaldehyde
2-Hydroxybenzaldehyde
3-Methoxybenzaldehyde
Nomenclature of ketones
Some important compounds are given below :
- Common name : Acetone
- IUPAC name : Propanone
- Common name : Ethyl methyl ketone
- IUPAC name : Butan-2-one (or butanone)
Some other examples of ketones
Butane-2,3-dione
Nomenclature of aromatic ketones
1-Phenylethanone (Acetophenone)
Diphenylmethanone