
Interpretation:
Products formed for the reaction have to be predicted. The given reaction is shown as,
Concept Introduction:
Deactivators are electron withdrawing groups attached to the benzenes that have either positive charge or an atom with high electronegativity. They are meta directors.
- Strong deactivators: They are very strong electron withdrawing groups.
- Moderate deactivators: It contains a pi bond that is attached to a strong electronegative group.
- Weak deactivators: It consists of halogens.
Activators are electron donating groups attached to the benzenes that have either electron density that is able to push into benzene ring or a lone pair of electrons. They are ortho-para directing.
- Strong activators: It contains a lone pair next to the
aromatic ring. - Moderate activators: It has a lone pair next to the aromatic ring that can take part in the resonance outside the ring as well.
- Weak activators: It consists of alkyl groups.
Halogens are deactivators that are ortho-para directing.
Rules to identify the group that dominates the directing effects:
- Ortho-para directors will always dominate meta directors.
- Strong activators will always dominate weak activators
Friedel-Crafts Alkylation: This Lewis acid-catalyzed electrophilic aromatic replacement that allows the synthesis of alkylated products by means of the reaction of arenes through

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Chapter 4 Solutions
Organic Chemistry As a Second Language: Second Semester Topics
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