benzilic acid rearrangement

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Justus von Liebig (1803—1873) German chemist and teacher


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An organic rearrangement reaction in which benzil (1,2-diphenylethan-1,2-dione) is treated with hydroxide and then acid to give benzilic acid (2-hydroxy-2,2-diphenylethanoic acid):6H5.CO.CO.C6H5 → (C6H5)2C(OH).COOH In the reaction a phenyl group (C6H5–) migrates from one carbon atom to another. The reaction was discovered in 1828 by Justus von Liebig; it was the first rearrangement reaction to be described.

6H5.CO.CO.C6H5 → (C6H5)2C(OH).COOH

Benzilic acid rearrangement

Subjects: Chemistry.

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