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StudentNotesSection10 - Section 10: Benzene and Aromaticity...

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Section 10: Benzene and Aromaticity 130 Section 10 – Benzene and Aromaticity 10.1 Nomenclature of Aromatic Compounds Many aromatic compounds were historically isolated from materials such as coal tar, and many of them have trivial names, including parent compounds: N O S benzene pyridine furan thiophene CH 3 CH 3 CH 3 CH 3 H 3 C H 3 CC H 3 toluene o-xylene m-xylene p-xylene H 3 H 3 CH 3 CH 3 CH 3 H 3 C H 3 C mesitylene durene indene biphenyl naphthalene anthracene phenanthrene Functionalized benzene systems, and aromatic side chains also have trivial names: OH NH 2 O phenol aniline styrene cumene acetophenone C H O OH O N benzonitrile benzaldehyde benzoic acid CH 2 phenyl group benzyl group
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Section 10: Benzene and Aromaticity 131 Monosubstituted benzenes: If the benzene ring is the larger parent, the compound is named as a benzene. If the benzene ring is the smaller parent, we use the phenyl- prefix. Disubstituted benzenes: there are three possible types of disubstituted benzenes:
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This note was uploaded on 10/28/2010 for the course CHEM 235 taught by Professor Dr.poole during the Spring '10 term at Ball State.

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StudentNotesSection10 - Section 10: Benzene and Aromaticity...

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