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c.HNO 3 c. H 2 SO 4. c. H 2 SO 4. Sn + c.HCl. reflux. <55 C. reflux. Friedel-Crafts alkylation. Friedel-Crafts acylation. RCl AlCl 3 reflux. RCOCl Or (RCO) 2 O AlCl 3. substitution. substitution. Cl 2 (g) AlCl 3 room temp. Br 2 (l) FeBr 3 (or Fe) room temp. substitution.
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c.HNO3 c. H2SO4 c. H2SO4 Sn + c.HCl reflux <55C reflux Friedel-Crafts alkylation Friedel-Crafts acylation RCl AlCl3 reflux RCOCl Or (RCO)2O AlCl3 substitution substitution Cl2(g) AlCl3 room temp Br2(l) FeBr3 (or Fe) room temp substitution substitution reduction substitution substitution Notes:1. The Friedel-Crafts reactions are carbon-carbon bond forming reactions. 2. All substitution reactions of arenes are electrophilic.