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Beckmann rearrangement

The rearrangement of an oxim to the amide in conc. sulfuric acid is called the Beckmann rearrangement. The oxime is formed by the reaction of a keton with Hydroxyamine.

This example reaction starting with hexanon to the Caprolactam is the most important application of the Beckmann rearrangement. The caprolactam is hydrolysed and the polymerized to Nylon.

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