Naming organic compounds
Carboxylic acids contain the carboxyl functional group (-COOH). The carboxyl group will never have a position number in a carboxylic acid, as it is always on the end of the carbon chain.
Carboxylic acids end in '-oic acid'.
The basic rules of naming apply.
An ester is made from an alcohol and a carboxylic acid.
Esters have their own rules for naming.
The first part of the name comes from the alcohol, and it ends with the letters '-yl'.
The second part of the name comes from the carboxylic acid, and it ends with the letters '-oate'.
|Name of Alcohol||Name of Carboxylic acid||Name of ester|
|ethanol||propanoic acid||ethyl propanoate|
|butanol||methanoic acid||butyl methanoate|
|pentanol||ethanoic acid||pentyl ethanoate|
It is also possible to form names from structures.
The ester is divided between the carbon and oxygen in the ester functional group.
The acid part contains the carbonyl group.
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