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Question: Answered & Verified by Expert
Which of the following would not give 2-phenylbutane as the major product in a Friedel-Crafts alkylation reaction ?
ChemistryHydrocarbonsJEE MainJEE Main 2013 (22 Apr Online)
Options:
  • A
    1-butene $+\mathrm{HF}$
  • B
    2-butanol $+\mathrm{H}_2 \mathrm{SO}_4$
  • C
    Butanoyl chloride $+\mathrm{AlCl}_3$ then $\mathrm{Zn}, \mathrm{HCl}$
  • D
    Butyl choloride $+\mathrm{AlCl}_3$
Solution:
1976 Upvotes Verified Answer
The correct answer is:
Butanoyl chloride $+\mathrm{AlCl}_3$ then $\mathrm{Zn}, \mathrm{HCl}$
The Friedal-crafts alkylation reaction will give propyl phenyl ketone which further on Clemmenson's reduction will give butyl benzene

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