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Why benzoic acid does not give friedal crafts reactions

Why benzoic acid does not give friedal crafts reactions

Grade:12th pass

2 Answers

Arun
25750 Points
4 years ago
Friedel craft reactions are favoured by ring activating groups like alkyl, halogen, etc. - As carboxyl(-COOH) is ring deactivating group, it prevents compound from this reaction. - Also benzoic acid reacts with AlCl3 itself to form benzoyl chloride. - Therefore, benzoic acid don't undergo Friedel Craft's acylation
Vikas TU
14149 Points
4 years ago
Dear student 
-COOH attached to the benzene ring is electron withdrawing and ring deactivating,  The reagent then undergoes polymerization, degradation and is not available for the reaction with the substrates of low reactivity.
Hope this helps 
Good Luck 

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