Benzene - C6H6
C6H6 is highly unsaturated but does not display alkene
reactivity (eg. no addition)
Discovered by Michael Faraday in 1825 but the structure was
only rationalised using valence bond theory in the
1930s.
The term aromatic was
used initially as benzene
& its derivatives have
distinctive aromas.
The term arene is the
SI descriptor for this
class of organic cpmds.