this document contains the Electrophilic Aromatic Substitution (Aromatic compounds)

					Ar-H = aromatic compound

1. Nitration

2 sulfonation

3 halogenation

4 friedel-crafts alkylation



Substituent groups on a benzene ring affect electrophilic aromatic substitution reactions in two ways:



reactivity

 activate (faster than benzene)

	 or deactivate (slower than benzene)

orientation

	ortho- + para- direction

	or meta- direction