What is the IUPAC name of a 3-bromo-2,3-dimethylpropanoic acid?

To determine the IUPAC name of the compound, follow these steps:

Step 1: Identify the functional group and the parent chain.
The compound contains a carboxyl group (-COOH), which is a carboxylic acid. The carbon atom of the carboxyl group is always designated as C1.
Let's trace the longest continuous carbon chain that includes the carboxyl group:

• C1: The carbon atom in the -COOH group.
• C2: The -CH- group directly attached to C1. This carbon has a methyl group (-CH3) attached to it.
• C3: The -CH- group directly attached to C2. This carbon has a bromine atom (-Br) and another methyl group (-CH3) attached to it. The longest continuous carbon chain containing the -COOH group is 3 carbons long. Therefore, the parent alkane is propane, and since it's a carboxylic acid, the parent name is propanoic acid.

Step 2: Number the carbon chain.
Numbering starts from the carbon of the -COOH group (C1).

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