Question

 What are the limitations of Friedel-Crafts alkylation reactions?

19 Jan 2026
Answer :
Word Count : 389
Friedel-Crafts alkylation is an important reaction in organic chemistry used to introduce alkyl groups into aromatic rings using an alkyl halide and a Lewis acid catalyst such as AlCl₃. Despite its utility, the reaction has several limitations that restrict its scope and efficiency. One major limitation is carbocation rearrangement. Friedel-Crafts alkylation proceeds through the formation of a carbocation intermediate. If the initially formed carbocation __________ _________ _________ ______ _________ ______ _________ ____ ______ _________ __________.
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