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Nomenclature and Structure of Alkyl Alkanoates

The esters are named by writing the name of the alkyl or aryl group of -OR’ part of the molecule before the name of the parent acid and replacing the suffix ic acid of the (IUPAC or common) name of the acid by ate. some examples are:

The traditional name ester has its origin in the shortened old German word ‘essigother’ which means ‘acetic ether’ or pleasant smell.

The names of some aromatic esters are given below:


The alkyl alkanoates, RCOOR’, contain carboxyl ¬†functional group. The carbon of- C=O group is sp2 hybridised.