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Encyclopedia Britannica - Main :: ORC-PAI |
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OXIMES , in organic chemistry , compounds containing the grouping > C : N OH, derived from aldehydes and ketones by condensing them with hydroxylamine
Meyer
(Bey., 1882, 15, pp. 1324, 1525, 2778). They are either colour-less liquids, which boil without decomposition, or crystalline solids; and are both basic and acidic in character . On reduction by sodium amalgam in glacial acetic acid solution they yield primary
mineral
yielding hydroxylamine
parent
The aldoximes are converted by the action of dehydrating agents into nitriles: RCH : NOH4R C : N+H2O. The ket- oximes by the action of acetyl chloride undergo a peculiar
molecular re-arrangement known as the Beckmann
formation (E. Beckmann
2580), yielding as final products an acid-amide or anilide, thus: End of Article: OXIMES If you wish, you can link directly to this article.
<a href="http://jcsm.org/StudyCenter/Encyclopedia/ORC_PAI/OXIMES.html"> OXIMES </a> |
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