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Chemistry Forums for Students => Organic Chemistry Forum => Topic started by: Moneyking on November 08, 2012, 10:21:51 PM

Title: oic acid
Post by: Moneyking on November 08, 2012, 10:21:51 PM

     CH3     CH2CH3
       |           |
CH3-CH-CH2-CH-C=O
                        |
                       OH

Can anoyone please help me name it. I think it is 2-ETHYL, 4,4,- DIMETHYL, PENTANOIC ACID.
IS THAT CORRECT?

Title: Re: oic acid
Post by: discodermolide on November 09, 2012, 12:12:49 AM

That name looks OK.
Sorry I mis-read the name it is actually 2-ethyl-4-methylpentanoic acid

Title: Re: oic acid
Post by: Dynamo22 on November 09, 2012, 12:45:10 AM

Why would the 5th carbon in the longest chain be treated as a substituent leading to 4,4-dimethyl? Wouldn't it just be 2-ethyl-4-methylpentanoic acid?