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Synthesis of Phenylacetic acid from Mandelic acid (small scale)

William Dampier

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Synthesis:
1. Mandelic acid (15,0 g) was dissolved in hypophosphorous acid 85% aq (15 ml).
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2. Iodine (15 g) was added in a small portions, whilst heating at reflux for 1 hour.
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3. The solution was poured over cold water and the crude product recrystallised from hot water to yield a colourless crystalline product 10 g.
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