Benzene and Aromaticity

Benzene and Aromaticity

1. What is an Aromatic Compound

   • Requirements
     • cyclic
     • planar
     • conjugated pi system
     • Huckles Rule
       • 4n+2
         • n can be any whole number
   • Aromatic heterocyclic
     • Has to be aromatic
     • RING must contain N, O, S

2. positions of disubstituted benzenes

   • ortho
     • closest to "x"
   • meta
     • little bit farther than x
     • in between ortho and para
   • para
     • straight across from x, opposite

3. types of names for monosubstituted benzenes

   • "substituent" benzene
   • common names
   • benzene as a substituent
   • benzene ring with alkyl substituents