/kwin"l een', -in/, n. Chem.
a colorless, liquid, water-immiscible, nitrogenous base, C9H7N, having a disagreeable odor, occurring in coal tar, and usually prepared by oxidizing a mixture of glycerol and aniline: used as a solvent and reagent and to make dyes. Also called leucoline.
[1835-45; QUIN(INE) + -OL1 + -INE2]

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      any of a class of organic compounds of the aromatic heterocyclic series characterized by a double-ring structure composed of a benzene and a pyridine ring fused at two adjacent carbon atoms. The benzene ring contains six carbon atoms, while the pyridine ring contains five carbon atoms and a nitrogen atom. The simplest member of the quinoline family is quinoline itself, a compound with molecular structure C9H7N.

      Quinoline is used principally for the manufacture of nicotinic acid, which prevents pellagra in humans, and other chemicals. Several methods are known for its preparation, and production of synthetic quinoline exceeds that from coal tar.

      Several alkaloids (alkaline organic compounds produced in plants) are members of the quinoline family; these include quinine and other derivatives from the cinchona tree. The antimalarial drugs chloroquine and amodiaquin are synthetic quinoline compounds, as are dibucaine hydrochloride, a long-acting local anesthetic, and cyanine, the oldest of an important class of dyes.

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Universalium. 2010.

Look at other dictionaries:

  • Quinoline — Quinoline …   Wikipedia

  • Quinoline — Quin o*line, n. [Quinine + L. oleum oil + ine.] (Chem.) A nitrogenous base, {C9H7N} obtained as a pungent colorless liquid by the distillation of alkaloids, bones, coal tar, etc. It the nucleus of many organic bodies, especially of certain… …   The Collaborative International Dictionary of English

  • quinoline — [kwin′ə lēn΄, kwin′əlin] n. [ QUIN(INE) + OL1 + INE3] 1. a colorless, liquid compound, C9H7N, obtained by the destructive distillation of bones, coal tar, and various alkaloids, or by synthesis: it is used in making antiseptics, dyes, etc. and as …   English World dictionary

  • quinoline — noun Etymology: International Scientific Vocabulary quinine + 3 ol + 2 ine Date: 1845 1. a pungent oily nitrogenous base C9H7N obtained usually by distillation of coal tar or by synthesis from aniline that is the parent compound of many alkaloids …   New Collegiate Dictionary

  • Quinoline — Quinoléine Quinoléine Général …   Wikipédia en Français

  • quinoline — 1. Benzopyridine; 1 benzazine; a volatile nitrogenous base obtained by the distillation of coal tar, bones, alkaloids, etc.; a basic structure of many dyes and drugs; also used as an antimalarial. SYN: chinoleine, leucoline.[b] 2. One of a …   Medical dictionary

  • quinoline — chinolinas statusas T sritis chemija apibrėžtis Heterociklinis junginys. formulė C₉H₇N atitikmenys: angl. quinoline rus. хинолин …   Chemijos terminų aiškinamasis žodynas

  • quinoline — noun Any of a class of aromatic heterocyclic compounds containing a benzene ring fused with a ring of five carbon atoms and a nitrogen atom; especially the simplest such compound, CHN …   Wiktionary

  • quinoline — kwɪnÉ™lɪːn n. (Chemistry) leukol, leucoline, colorless nitrogenous base produced by mixing glycerol and aniline (used as a reagent, solvent and in the production of dyes) …   English contemporary dictionary

  • quinoline — [ kwɪnəli:n] noun Chemistry a pungent oily liquid present in coal tar. Origin C19: from quinol + ine4 …   English new terms dictionary

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