Question 11.11: Naming Aromatic Compounds Give the IUPAC name for the follow...

Step \fbox{1}   Write the name for the aromatic compound. A benzene ring with a methyl group is named toluene.

Step \fbox{2}   If there are two or more substituents, number the aromatic ring starting from the substituent. The methyl group of toluene is attached to carbon 1, and the ring is numbered to give the lower numbers.

Step \fbox{3}   Name each substituent as a prefix. Naming the substituents in alphabetical order, this aromatic compound is 4-bromo-3-chlorotoluene.

Guide to Naming Aromatic Compounds

Step \fbox{1}

Write the name for the aromatic compound.

Step \fbox{2}

If there are two or more substituents, number the aromatic ring starting from the substituent.

Step \fbox{3}

Name each substituent as a prefix.