quinoline

American  

[kwin-l-een, -in] / ˈkwɪn lˌin, -ɪn /

noun

Chemistry.

1. a colorless, liquid, water-immiscible, nitrogenous base, C 9 H 7 N, 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.

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quinoline British  

/ ˈkwɪnəˌliːn, -lɪn /

noun

1. 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: C 9 H 7 N

2. any substituted derivative of quinoline

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quinoline Scientific  

/ kwĭn′ə-lēn′,-lĭn /

1. An aromatic organic liquid having a pungent, tarlike odor. Quinoline is a base and is obtained from coal tar or is synthesized. It is used as a food preservative and in making antiseptics and dyes. Chemical formula: C ₉ H ₇ N.

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Etymology

Origin of quinoline

First recorded in 1835–45; quin(ine) + -ol ¹ + -ine ²

Example Sentences

By leveraging a light-sensitive borate intermediate, the scientists could transform quinoline derivatives into a great variety of 2D/3D fused frameworks in a straightforward and cost-effective manner.

From Science Daily • Jun. 19, 2024

This process involves destabilizing one of the aromatic rings in quinoline, using light and sometimes a catalyst, so that a reactant can 'latch' onto the ring, forming the target compound.

From Science Daily • Jun. 19, 2024

Not only were the yields obtained high but also could a wide variety of quinoline derivatives and reactants be used to obtain all sorts of 2D/3D frameworks.

From Science Daily • Jun. 19, 2024

Quinine, a naturally occurring quinoline, and the earliest antimalarial drug, displayed a similar propensity to many of these effects, causing a syndrome known as cinchonism.

From Time • Feb. 13, 2013

When distilled with potassium hydrate, quinine yields quinoline and its homologues.

From Scientific American Supplement, No. 415, December 15, 1883 by Various