The IUPAC name of α, β-dimethyl valeric acid will be 2,3-dimethyl pentanoic acid.
The IUPAC name of α, β-dimethyl valeric acid will be 2,3-dimethyl pentanoic acid.
The IUPAC name of α, β-dimethyl valeric acid will be 2,3-dimethyl pentanoic acid.
Valeric acid is the name for pentanoic acid. α carbon is the carbon attached to the carboxyl group. While β carbon is the one attached to α carbon. In IUPAC system, we start numbering the carbon atoms from the carboxyl group so α carbon will be C-2 and β carbon will be C-3. Since one methyl group each is attached to C-2 and C-3, and the parent chain is pentanoic acid, the IUPAC name will be 2,3-dimethyl pentanoic acid.
Valeric acid is the name for pentanoic acid. α carbon is the carbon attached to the carboxyl group. While β carbon is the one attached to α carbon. In IUPAC system, we start numbering the carbon atoms from the carboxyl group so α carbon will be C-2 and β carbon will be C-3. Since one methyl group each is attached to C-2 and C-3, and the parent chain is pentanoic acid, the IUPAC name will be 2,3-dimethyl pentanoic acid.
Hence, option D is correct.