Friedel–Crafts Acylation (AQA A-Level Chemistry): Flashcards

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Friedel–Crafts Acylation
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General formula of acyl group

RCO−RCO-

Process of introducing acyl group into molecule

Acylation

Name of acyl group CH3CO−CH₃CO-

Ethanoyl group

Type of reaction Friedel-Crafts acylation is

Electrophilic substitution

Catalyst used in Friedel-Crafts acylation

AlCl3AlCl₃ (Lewis acid)

Product of Friedel-Crafts acylation

Ketone

Electrophile in Friedel-Crafts acylation

Acylium ion (RCO+RCO⁺)

Alternative to acyl halide in F-C acylation

Acid anhydride

Advantage of F-C acylation over alkylation

No carbocation rearrangement

Limitation: F-C acylation only produces

Ketones

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Amines (A Level only)

Polymers (A Level only)

Amino acids, Proteins & DNA (A Level only)

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