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OXIMES
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OXIMES , in organic See also:chemistry, compounds containing the grouping > C : N • OH, derived from See also:aldehydes and See also:ketones by condensing them with See also:hydroxylamine. Those derived from aldehydes are known as aldoximes, those from ketones as ketoximes. They were first prepared by V. See also:Meyer in 1882 (See also:Bey., 1882, 15, pp. 1324, 1525, 2778). They are either See also:colour-less liquids, which See also:boil without decomposition, or crystalline solids; and are both basic and acidic in See also:character. On reduction by See also:sodium See also:amalgam in glacial acetic See also:acid See also:solution they yield See also:primary See also:amines. They are hydrolysed by dilute See also:mineral acids yielding hydroxylamine and the See also:parent aldehyde or ketone. The aldoximes are converted by the See also:action of dehydrating agents into nitriles: RCH : NOH—4R C : N+See also:H2O. The See also:ket- oximes by the action of acetyl chloride undergo a See also:peculiar See also:intra- molecular re-arrangement known as the See also:Beckmann trans- formation (E. Beckmann, Ber., 1886, 19, p. 989; 1887, 20, p. Additional information and CommentsThere are no comments yet for this article.
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