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SolutionsNomenclature of Aromatic Compounds

1. Name the compounds

Give a name to each of the compounds shown.

Twenty-seven aromatic compounds to name: mono-, di- and trisubstituted benzenes, naphthalene, 2-naphthol, anthracene and phenanthrene
Names of the compounds: bromobenzene, nitrobenzene, tert-butylbenzene, (S)-2-ethoxy-2-phenylbutane, phenol, anisole, styrene, cumene, aniline, benzaldehyde, benzoic acid, acetophenone, propiophenone, benzophenone, cinnamaldehyde, cinnamic acid, ortho-dichlorobenzene, meta-bromonitrobenzene, para-bromotoluene, the xylenes, 2,6-dinitroanisole, mesitylene, naphthalene, 2-naphthol, anthracene and phenanthrene

2. From the name to the structure

Draw: a) 3-chloro-4-nitrotoluene; b) 2,4-dihydroxybenzoic acid; c) p-diisopropylbenzene; d) 1-bromo-2-naphthol; e) 9,10-dibromoanthracene.

  1. A toluene with Cl at position 3 and NO2 at position 4 (the methyl carbon is C(1)).
  2. Benzoic acid with two OH groups at positions 2 and 4 (β-resorcylic acid).
  3. Benzene with two isopropyl groups at positions 1 and 4.
  4. Naphthalene with the OH at position 2 and Br at the adjacent position 1.
  5. Anthracene with one bromine on each carbon of the central ring (positions 9 and 10).

3. Ortho, meta or para?

Use the prefixes ortho, meta or para to describe the relationship between the substituents of: a) 1,3-dimethylbenzene; b) 1,4-dichlorobenzene; c) 1,2-dihydroxybenzene.

  1. meta-Xylene.
  2. para-Dichlorobenzene.
  3. ortho-Dihydroxybenzene (catechol).

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