H
Friedel-Crafts Acylation of Benzene
+
+
H
Cl
AlCl
3
O
CH
3
CH
2
CCl
CCH
2
CH
3
O
Electrophile is an acyl cation
••
CH
3
CH
2
C
O
•
•
+
CH
3
CH
2
C
O
•
•
+