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    Chemistry A-Level

    Friedel–Crafts acylation

    What Friedel–Crafts acylation means in Chemistry A-Level, as defined for OCR.

    Definitions of Friedel–Crafts acylation

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    Reference: OCR

    An acyl chloride with a halogen carrier gives an acylium ion that attacks the ring to form a ketone, useful because the C=O can be reduced to an alkyl chain.
    OCR · Aromatic compounds
    An aromatic ring reacts with an acyl chloride in the presence of anhydrous AlCl₃ catalyst to give a ketone, attaching the acyl group's carbons to the ring.
    OCR · Carbon–carbon bond formation

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