(redirected from Quinolines)
Also found in: Medical, Encyclopedia.


 (kwĭn′ə-lēn′, -lĭn)
An aromatic organic base, C9H7N, having a pungent tarlike odor, synthesized or obtained from coal tar, and used as a food preservative and in making antiseptics, drugs, and dyes.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈkwɪnəˌliːn; -lɪn)
1. (Elements & Compounds) an oily colourless insoluble basic heterocyclic compound synthesized by heating aniline, nitrobenzene, glycerol, and sulphuric acid: used as a food preservative and in the manufacture of dyes and antiseptics. Formula: C9H7N
2. (Elements & Compounds) any substituted derivative of quinoline
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈkwɪn lˌin, -ɪn)

a colorless liquid nitrogenous base, C9H7N, having a disagreeable odor, occurring in coal tar: used as a solvent and reagent and to make dyes.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
The highest concentrations of two of these, quinolines and aromatic amines, were found in polyester.
Quinolines, which consisted mostly of quinoline, alkyl quinoline, isoquinoline and benzoquinoline, constituted 25.33% of the concentrated product 1.
According to a notification, Ashharuz Zaman s/o Zafaruz Zaman got degree in the subject of Chemistry after approval of his thesis entitled 'Synthesis of Fused Quinolines as Potential Pharmacologically Active Compounds'.
The same result was observed for quinolines, an antifolate, or atovaquone (Table 1).
Efficacy of orally administered 2-substituted quinolines in experimental murine cutaneous and visceral leishmaniases.
Keywords: MCR (multi component reaction), Substituted quinolines, Copper metal complex.
Huo, "Steric effects of substituted quinolines on lithium coordination geometry," Polyhedron, vol.
In addition, quinolines have pharmacological properties which include wide applications in medicinal chemistry; for example, this scaffold structure is present in anti-inflammatory agents, antimalarial drugs, and antihypertensive, antiasthmatic, antibacterial, and tyrosine kinase inhibiting agents [20-25].
Topics covered include ring synthesis, substituent installation and modification, reduction to partially hydrogenated pyridines, piperidines, and quinolines, alkaloid synthesis, fluorination, and the use of pyridines as reagents.
On the other hand quinolines exhibit antimalarial [12], antiplasmodial [13], antiproliferative [14], antibacterial [15], antifungal [15].