
(a)
Interpretation:
In the given reaction, the
Concept introduction:
A Friedel-Craft’s alkylation reaction does not occur readily unless the halogen atom of the

Answer to Problem 22.26P
The product of the given Friedel-Craft’s alkylation reaction is as shown:
Explanation of Solution
The given reaction is Friedal Craft’s alkylation reaction. In the first step,
With the help of mechanism of electrophilic aromatic substitution reaction, the product of the given Friedel-Craft’s alkylation reaction was determined.
(b)
Interpretation:
In the given reaction, the aromatic ring has just one chemically distinct, aromatic H, so a single electrophilic aromatic substitution will lead to just a single product. The product of the given reaction is to be determined.
Concept introduction:
Electrophiles in electrophilic aromatic substation reactions typically must be generated in situ from more stable precursors that can be added as starting materials. Aluminum chloride acts as a Lewis acid and forms a complex with chlorine. After heterolysis, electrophilic aromatic substitution reaction takes place. The arenium ion intermediate is a carbocation intermediate consisting of five

Answer to Problem 22.26P
The product of the given halogenation reaction is as shown:
Explanation of Solution
The given reaction is Friedal Craft’s alkylation reaction. In the first step
With the help of mechanism of electrophilic aromatic substitution reaction, the product of the given reaction was determined.
(c)
Interpretation:
In the given reaction, the aromatic ring has just one chemically distinct, aromatic H, so a single electrophilic aromatic substitution will lead to a just a single product. The product of the given reaction is to be determined.
Concept introduction:
In Friedel Craft’s acylation reaction, the aromatic species is treated with acyl chloride. The product of Friedel Craft’s acylation reaction is

Answer to Problem 22.26P
The product of the given Friedel-Craft’s acylation reaction is as shown.
Explanation of Solution
The given reaction is Friedal Craft’s acylation reaction. In the first step,
With the help of the mechanism of electrophilic aromatic substitution reaction, the product of the given Friedel-Craft’s acylation reaction was determined.
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Chapter 22 Solutions
Organic Chemistry: Principles and Mechanisms (Second Edition)
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