Pyrone — Py rone, n. [G. pyron, an abbr. of pyrokoman.] (Org. Chem.) An unsaturated cyclic compound, {C5H4O2}, of which two varieties are known, [alpha] and [gamma]. [gamma] pyrone is the parent substance of several natural yellow dyestuffs … The Collaborative International Dictionary of English
pyrone — [pī′rōn΄, pī rōn′] n. [Ger pyron: see PYRO & ONE] 1. either of two isomeric, unsaturated, closed chain compounds, C5H4O2, from which several yellow dyes are derived 2. any of a class of compounds derived from pyrone … English World dictionary
pyrone — ● pyrone nom féminin Composé hétérocyclique C5H4O2, dérivé des pyrannes. Nom générique des dérivés de ces composés … Encyclopédie Universelle
Pyrone — Pyrone, Pyrane … Universal-Lexikon
Pyrone — pyran 2 one pyran 4 one Les pyrones … Wikipédia en Français
Pyrone — Pyrones or pyranones are a class of cyclic chemical compounds. They contain an unsaturated six membered ring containing one oxygen atom and a ketone functional group. There are two isomers denoted as 2 pyrone and 4 pyrone. The 2 pyrone structure… … Wikipedia
pyrone — ˈpīˌrōn noun ( s) Etymology: International Scientific Vocabulary pyr + one 1. : either of two isomeric carbonyl compounds C5H4O2 derived from pyran: a. : an oily liquid delta lactone; 2H pyran 2 one calle … Useful english dictionary
Pyrone — 2 Pyron 4 Pyron Pyrone oder Pyranone sind eine Gru … Deutsch Wikipedia
pyrone — pironas statusas T sritis chemija formulė (O=)C₅H₄O atitikmenys: angl. pyrone rus. пирон ryšiai: sinonimas – piranonas … Chemijos terminų aiškinamasis žodynas
pyrone — /puy rohn, puy rohn /, n. Chem. either of two heterocyclic ketones having the formula C5H4O2. [1890 95; PYR + ONE] * * * … Universalium
pyrone — noun Any of a class of cyclic chemical compounds that contain an unsaturated six membered ring with one oxygen atom and a ketone functional group. Syn: pyranone … Wiktionary
