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Give IUPAC names for the following substances (red = O, blue = N):
a)
Interpretation:
The IUPAC name of the compound shown is to be given.
Concept introduction:
Compounds with a hydroxyl group attached to the benzene ring are named as derivatives of phenol. Substituted phenols are named using the prefixes ortho (o), meta (m) and para (p). An ortho-substituted phenol has an another substituent in a 1,2-relationship on the ring. A meta-disubstituted phenol has an another substituent in a 1,3-relationship on the ring. A para-disubstituted phenol has another substituent in a 1,4-relationship on the ring.
To give:
The IUPAC name of the compound shown.
Answer to Problem 13VC
The IUPAC name of the compound is m-isopropylphenol.
Explanation of Solution
The compound shown is
It has a hydroxyl and an isopropyl groups in the benzene ring in 1,3-relationship. Therefore its IUPAC name is m-isopropylphenol.
The IUPAC name of the compound is m-isopropylphenol.
b)
Interpretation:
The IUPAC name of the compound shown is to be given.
Concept introduction:
Compounds with a carboxyl group attached to the benzene ring are named as derivatives of benzoic acid. Substituted benzoic acids are named using the prefixes ortho (o), meta (m) and para (p). An ortho-substituted benzoic acid has an another substituent in a 1,2-relationship on the ring. A meta-disubstituted benzoic acid has an another substituent in a 1,3-relationship on the ring. A para-disubstituted benzoic acid has another substituent in a 1,4-relationship on the ring.
To give:
The IUPAC name of the compound shown.
Answer to Problem 13VC
The IUPAC name of the compound is o-nitrobenzoic acid.
Explanation of Solution
The compound shown is
It has a carboxyl group and a nitro group in the benzene ring in 1,2-relationship. Therefore its IUPAC name is o-nitrobenzoic acid.
The IUPAC name of the compound is o-nitrobenzoic acid.
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Chapter 15 Solutions
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