How to Convert 4-Methylpentanoic Acid to 4-Methyl-2-Bromopentanoic Acid?

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To convert 4-methylpentanoic acid to 4-methyl-2-bromopentanoic acid, one suggested method involves treating the acid with bromine and UV light, targeting the carbon with the least hydrogen atoms for bromination. This approach is based on the principle that the carbon with fewer hydrogens will react more readily. The discussion indicates that this is a second-semester organic chemistry topic, implying a foundational understanding of reaction mechanisms. Further exploration of camphor synthesis may provide additional insights into similar reactions. Overall, the conversion process hinges on selective bromination techniques.
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Hey, I'm trying to figure out how to convert 4-methylpentanoic acid into 4-methyl-2-bromopentanoic acid and I'm stuck. It's second semester O-chem for reference. Any ideas? Thanks.
 
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this is probably wrong but simply treat with bromine and UV light? its the carbon with the least number of H on it so itll lose it more easily than the others.
 
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