| 释义 |
lactone
lac·tone L0011200 (lăk′tōn′)n. A cyclic ester, or a compound containing a cyclic ester, formed by the intramolecular condensation of a hydroxy carboxylic acid.
[lact(o)- + -one.]
lac·ton′ic (-tŏn′ĭk) adj.lactone (ˈlæktəʊn) n (Elements & Compounds) any of a class of organic compounds formed from hydroxy acids and containing the group -C(CO)OC-, where the carbon atoms are part of a ring lactonic adjlac•tone (ˈlæk toʊn)
n. any of a group of internal esters derived from hydroxy acids. [1840–50; lact(ic acid) + -one] lac•ton′ic (-ˈtɒn ɪk) adj. lactone
lactone[′lak‚tōn] (organic chemistry) An internal cyclic mono ester formed by gamma (γ) or delta (δ) hydroxy acids spontaneously; thus γ-hydroxybutyric acid forms γ-butyrolactone. lactone
lactone [lak´tōn] a cyclic organic compound in which the chain is closed by ester formation between a carboxyl and a hydroxyl group in the same molecule.lac·tone (lak'tōn), 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) An intramolecular organic anhydride formed from a hydroxyacid by the loss of water between an -OH and a -COOH group; a cyclic ester. lac·tone (lak'tōn) An intramolecular organic anhydride formed from a hydroxyacid by the loss of water between an -OH and a -COOH group; a cyclic ester. |