Which of the following would not give 2-phenylbutane as the major product in a Friedel-Crafts alkylation…

Which of the following would not give 2-phenylbutane as the major product in a Friedel-Crafts alkylation reaction ?
  1. 1-butene $+\mathrm{HF}$
  2. 2-butanol $+\mathrm{H}_2 \mathrm{SO}_4$
  3. Butanoyl chloride $+\mathrm{AlCl}_3$ then $\mathrm{Zn}, \mathrm{HCl}$
  4. Butyl choloride $+\mathrm{AlCl}_3$

Solution

The Friedal-crafts alkylation reaction will give propyl phenyl ketone which further on Clemmenson's reduction will give butyl benzene

Asked in: JEE Main 2013 (22 Apr Online)

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