hydroxamicadj.
/hʌɪdrɒkˈsamɪk/ Chemistry.
hydroxamic acid n. any of the acyl derivatives, R·CO· NHOH or (R·CO)2NHOH, of hydroxylamine (see quot. 1966).
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hydroxamic acid1875
alkine1882
chloramine1893
1875 Jrnl. Chem. Soc. 28 751 (heading) Distillation of hydroxamic acids.
1875 Jrnl. Chem. Soc. 28 766 The ethers of aromatic hydroxamic acids.
1926 Biochem. Jrnl. 20 1362 The hydroxy-acids present in rape oil give hydroxamic acids whose sodium salts are soluble in alcohol.
1966 I. T. Millar & H. D. Springall Sidgwick's Org. Chem. Nitrogen (ed. 3) ix. 333 The mono N-acyl derivatives of hydroxylamine are usually referred to as hydroxamic acids, a name which strictly refers to structure (I). They can clearly have the alternative structure (II) which should be called a hydroximic acid. In no case are the two isomers known as separate compounds: (I) R· CONHOH (II) R· COHNOH and a compound of this class..can react as if it had either structure. Commonly the term hydroxamic is used to imply either of these structures.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2021).
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adj.1875