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Qu'est-ce (qui) est isoprene - définition
CHEMICAL COMPOUND
Isoprenyl; Isoterpene; 2-methyl-1,3-butadiene; Synthetic natural rubber
isoprene
['??s?(?)pri:n]
¦ noun Chemistry a volatile liquid hydrocarbon whose molecule forms the basic structural unit of rubber.
Origin
C19: appar. from iso- + pr(opyl)ene.
Isoprene
·noun An oily, volatile hydrocarbon, obtained by the distillation of caoutchouc or guttaipercha.
terpene
![[[Limonene]], a [[monoterpene]].](https://commons.wikimedia.org/wiki/Special:FilePath/Limonene-2D-skeletal.svg?width=200 "[[Limonene]], a [[monoterpene]].")
![[[Carvone]] is a monoterpenoid, a modified monoterpene.](https://commons.wikimedia.org/wiki/Special:FilePath/Carvone.svg?width=200 "[[Carvone]] is a monoterpenoid, a modified monoterpene.")
![[[Pinene]], a monoterpene which exists as two isomers, is a major consistituent of [[turpentine]].](https://commons.wikimedia.org/wiki/Special:FilePath/Alpha-pinen.svg?width=200 "[[Pinene]], a monoterpene which exists as two isomers, is a major consistituent of [[turpentine]].")
![[[Hinokitiol]] is a monoterpenoid, a [[tropolone]] derivative.](https://commons.wikimedia.org/wiki/Special:FilePath/Beta-thujaplicin.png?width=200 "[[Hinokitiol]] is a monoterpenoid, a [[tropolone]] derivative.")
![[[Humulene]], a [[sesquiterpene]].](https://commons.wikimedia.org/wiki/Special:FilePath/Humulene.png?width=200 "[[Humulene]], a [[sesquiterpene]].")
![[[Taxadiene]], a [[diterpene]], precursor to the diterpenoid [[taxol]], an anticancer agent.](https://commons.wikimedia.org/wiki/Special:FilePath/Taxadiene.svg?width=200 "[[Taxadiene]], a [[diterpene]], precursor to the diterpenoid [[taxol]], an anticancer agent.")
![[[Squalene]], a [[triterpene]] and universal precursor to natural [[steroid]]s.](https://commons.wikimedia.org/wiki/Special:FilePath/Squalene.svg?width=200 "[[Squalene]], a [[triterpene]] and universal precursor to natural [[steroid]]s.")
![[[Geosmin]] is a sesquiterpenoid.](https://commons.wikimedia.org/wiki/Special:FilePath/Geosmin_Structural_Formulae.svg?width=200 "[[Geosmin]] is a sesquiterpenoid.")
ANY UNSATURATED HYDROCARBON WITH STRUCTURE THAT IS A RESULT OF THE ASSEMBLING OF FIVE-CARBON ISOPRENE UNITS
Terpenes; Hemiterpene; Sesterterpene; Hemiterpenes; Hemiterpenoid; Sesterterpenoid; Polyterpenoid; Norisoprenoids; Tetraterpenoids; Prene; Norisoprenoid; Isopremoid; C13-norisoprenoids; C13-norisoprenoid; Isoprene rule; Isoprene unit; Isopentyl unit; Biogenetic Isoprene Rule; Biogenetic isoprene rule; Biogenic isoprene rule; Biosynthesis of terpenes
['t?:pi:n]
¦ noun Chemistry any of a large group of volatile unsaturated hydrocarbons with cyclic molecules, found in the essential oils of conifers and other plants.
Derivatives
terpenoid noun & adjective
Origin
C19: from Ger. Terpentin 'turpentine' + -ene.
Wikipédia
Isoprene
Isoprene, or 2-methyl-1,3-butadiene, is a common volatile organic compound with the formula CH2=C(CH3)−CH=CH2. In its pure form it is a colorless volatile liquid. It is produced by many plants and animals (including humans) and its polymers are the main component of natural rubber. C. G. Williams named the compound in 1860 after obtaining it from the pyrolysis of natural rubber; he correctly deduced the empirical formula C5H8.
