Question

Find me to benzene doesn't undergo friedel craft alkylation

Answer 1

F.C alkylation reaction is an electrophilic aromatic substitution reaction in which a carbo cation attacks and aromatic ring with net result that one of the aromatic protons is replaced by an alkyl group.

actually deactivated benzenes are not reactive to friedel crafts conditions the benzene needs to be as or more reactive than a mono hello benzene.