To write the IUPAC name of the given compound, we follow the steps given below:
Step 1: First, give the numbering.
The longest carbon chain containing the NH group is selected as the parent chain and numbered in such a way that the carbon atom carrying the NH group gets the smallest number.
Step 2: As the second carbon is attached to a methyl group, hence it is named 2-methyl.
Step 3: Amine group is attached to first carbon, so it is named as 1-propanamine.
Thus, the IUPAC name of the compound is 2-methyl-1-propanamine
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