Benzene and Alkyl Benzene - Result Question 51
####55. Write down the reaction involved in the preparation of following using the reagents indicated against in parenthesis.
“Ethyl benzene from benzene.”
$$ \left[C _2 H _5 OH, PCl _5 \text {, anhyd. } AlCl _3\right] $$
(1984, 2M)
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Solution:
- $CH _3 CH _2 OH+PCl _5 \longrightarrow POCl _3+HCl+CH _3 CH _2 Cl$
$C _6 H _6+CH _3 CH _2 Cl \xrightarrow{AlCl _3} C _6 H _5-CH _2 CH _3$
Friedel-Craft’s reaction
