Quinoline
Quinoline
Quinoline (pronounced: kwin-uh-leen) is a heterocyclic aromatic organic compound with the chemical formula C9H7N. It is a colorless hygroscopic liquid with a strong odor. Aged samples, if exposed to light, become yellow and later brown. Quinoline is only slightly soluble in cold water but dissolves readily in hot water and most organic solvents.
Etymology
The term "quinoline" comes from the Latin word quinus, meaning "made from cinchona bark". The bark of the cinchona tree contains quinine, a substance that was used to treat malaria. Quinoline was first extracted from coal tar in 1834 by the German chemist Friedlieb Ferdinand Runge.
Related Terms
- Quinolone: A type of antibiotic that is an analog of quinoline.
- Isoquinoline: A structural isomer of quinoline.
- Quinine: A natural white crystalline alkaloid having antipyretic (fever-reducing), antimalarial, analgesic (painkilling), and anti-inflammatory properties and a bitter taste. It is a stereoisomer of quinine.
- Cinchona: A genus of flowering plants in the family Rubiaceae containing at least 23 species of trees and shrubs. They are native to the tropical Andean forests of western South America. Cinchona bark is used in the extraction of quinine.
See Also
External links
- Medical encyclopedia article on Quinoline
- Wikipedia's article - Quinoline
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