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Can you please show me the mechanim for this please? Really not understanding this one. Thanks!
C1 FeGl eci
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Answer #1

This reaction is Friedel-Crafts alkylation reaction. Mechanism is given below.

C:eds A-Te + Fec rech 7 3 3

FeCl3 is a Lewis acid. It reacts with alkyl halide form the carbcation. This positively charged carbcation is the electrophile. Alkyl halide losses the halogen to Lewis acid and forms electrophilic alkyl carbcation. In the next step the electron rich double bond (pi electrons) of benzene attacks the carbcation and form new bond. The lost aromaticity is recovered by abstraction of hydrogen by the lewis acid.

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