According to the IUPAC convention, alkyl group names should be located at the end of the name of the main chain.
IUPAC is a system of chemistry in which the naming of the organic compound has to be done based on their structure by following some rules given by the IUPAC system. Alkanes, alkenes and alkynes are the three major functional groups of organic chemistry.
The full form of IUPAC is the international union of pure and applied chemistry.
Alkyl groups are same as alkenes just the end name of both are different but both of then specifies the single bond in structure and name has to be written in last.
Therefore, according to the IUPAC convention, alkyl group names should be located at the end of the name of the main chain.
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