Concept explainers
(a)
Interpretation: The method of preparation of biphenyl from benzene as one of the starting material should be determined
Concept introduction:
Halogenation (chlorination) process performing on benzene in the presence of anhydrous
The reaction can be represented as follows,
Fittig reaction
Aryl halides give anomalous compounds when treated with sodium in dry ether, in which two aryl groups are joined together.
(b)
Interpretation: The method of preparation of benzophenone from benzene as one of the starting material should be determined
Concept Introduction:
Friedel-Crafts acylation:
This reaction involves the attachment of an acyl group to an
The role of anhydrous aluminum chloride is to generate a stable carbocation complex.
Acylation of benzene can be represented as follows,
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