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单词 pyridone
释义

pyridonen.

Brit. /ˈpɪrᵻdəʊn/, U.S. /ˈpɪrəˌdoʊn/
Origin: A borrowing from German. Etymon: German Pyridon.
Etymology: < German Pyridon (H. Ost 1883, in Jrnl. f. prakti. Chem. 27 258) < Pyrid- (in Pyridin pyridine n.) + -on -one suffix.
Chemistry.
Each of three isomeric keto derivatives of pyridine, differing in the position of the oxygen atom; any substituted derivative of such a compound.Formula: C5H5NO. The pyridones exist in equilibrium with their corresponding tautomers (hydroxy derivatives of pyridine).
ΚΠ
1889 G. M'Gowan tr. A. Bernthsen Text-bk. Org. Chem. xxxiii. 486 Keto-dihydro-pyridine (‘pyridone’).
1892 Amer. Naturalist 26 94 (title) Pyrone and pyridone derivatives from benzoyl-acetone.
1967 I. L. Finar Org. Chem. (ed. 5) I. xxx. 805 Pyridones may be prepared by the action of ammonia on 2- or 4-pyrones.
2006 Jrnl. Medicinal Chem. 49 1006 We have identified a series of novel pyridones as kinase inhibitors.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).
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