hydroxy-lactone

См. также в других словарях:

• Lactone — Lac tone, n. (Chem.) One of a series of organic compounds, being cyclic esters which may be regarded as anhydrides of certain hydroxy acids. In general, they are colorless liquids, having a weak aromatic odor. They are so called because the… …   The Collaborative International Dictionary of English

• lactone — [lak′tōn΄] n. [ LACT(O) + ONE] any of a group of organic cyclic esters formed by the elimination of a molecule of water from the OH and COOH groups of a molecule of a hydroxy acid …   English World dictionary

• Lactone — β propiolactone, formed from β hydroxypropionic acid In chemistry, a lactone is a cyclic ester[1] which can be seen as the condensation product of an alcohol group OH and a carboxylic acid group COOH in the same molecule. It is characterized by a …   Wikipedia

• Lactone — Verschiedene Lactone, von links nach rechts : β , γ , δ und ε Lacton. Als Lactone bezeichnet man Moleküle in der organischen Chemie, in denen eine Esterbindung zwischen einer Hydroxy und einer Carboxygruppe desselben Moleküls aufgebaut wird …   Deutsch Wikipedia

• Lactone — Structure de la bêta lactone, hétérocycle à 3 carbones …   Wikipédia en Français

• lactone — lactonic /lak ton ik/, adj. /lak tohn/, n. Chem. any of a group of internal esters derived from hydroxy acids. [1840 50; LACT + ONE] * * * ▪ chemical compound       any of a class of cyclic organic esters (ester), usually formed by reaction of a… …   Universalium

• lactone — noun Etymology: International Scientific Vocabulary Date: 1880 any of various cyclic esters formed from hydroxy acids • lactonic adjective …   New Collegiate Dictionary

• lactone — noun A cyclic intramolecular ester derived from a hydroxy acid …   Wiktionary

• lactone — An intramolecular organic anhydride formed from a hydroxyacid by the loss of water between a hydroxyl and a –COOH group; a cyclic ester. * * * lac·tone lak .tōn n any of various cyclic esters formed from hydroxy acids compare …   Medical dictionary

• lactone — n. chemical substance derived from hydroxy acids (Chemistry) …   English contemporary dictionary

• lactone — lac•tone [[t]ˈlæk toʊn[/t]] n. chem. any of a group of internal esters derived from hydroxy acids • Etymology: 1840–50; lact(ic acid)+ one lac•ton′ic ˈtɒn ɪk adj …   From formal English to slang