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28 July, 23:14

Design a synthesis of acetophenone from benzene or toluene. 1275q Part 1 out of 5 Choose the best option for the nucleophile precursor to acetophenone. 1275p1

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  1. 29 July, 01:43
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    A Fridiel craft catalyst will convert benzene to acetophenone.

    Permanganate catalyst can be used to convert toluene to acetophenone.

    Explanation:

    Benzene can be reduced to acetophenone by the addition of anhydrous aluminium chloride, AlCl₃

    The mechanism is as follows:

    Benzene + Acetyl choloride → acetophenone

    To convert toluene to acetophenone, the following steps are necessary:

    Oxidation of Toluene to Benzoic acid.

    This is done by refluxing toluene with alkaline potassium permanganate (KMnO₄ + Na₂CO₃).

    Benzoic acid is converted to Benzoyl chloride by treating with thioyl chloride and heating at about 80 ⁰C. Benzoyl chloride is treated with methyl lithium to form Acetophenone.
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