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Aromatic Reactions (Electrophilic Aromatic Substitution (Halogenation (Br2…

- - - - benzene + R-X + AlCl3
        
        new C-C bond, can over-alkylate with excess RX
    - - acid chloride + benzene + AlCl3
        
        adds carbonyl to ring
  - - - --R, --OR, --OH, --O-, --NR2
    - - Ortho-para directing
        
        --Cl, --Br, --I
      - Meta-directing
        
        --NO2, --SO3H, --NR3+, -carbonyls, --CN
- - - - turns alkylbenzene into benzoic acid salt
        
        halogen, NO2, and SO3H groups survive
  - - - Br2, hv
- - - - Pd catalyst, Et3N
        
        new C-C bond at less subst. end of alkene
  - - - Pd catalyst + base
- - - - turns benzene to diene
- - - - Add nucleophile and let it attack
  - - - -33 deg. C; Forms benzyne intermediate
        
        mixture of products