alkene


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alkene

 [al´kēn]
an aliphatic hydrocarbon containing a double bond.

al·kene

(al'kēn),
An acyclic hydrocarbon containing one or more carbon-carbon double bonds; for example, ethene, propene.
Synonym(s): olefin

alkene

[al′kēn]
an unsaturated aliphatic hydrocarbon containing one double bond in the carbon chain, such as ethylene. Also called olefin.

al·kene

(al'kēn)
An acyclic hydrocarbon containing one or more double bonds; e.g., ethene, propene.
Synonym(s): olefin.

alkene (alˑ·kēnˈ),

n unsaturated hydrocarbon compound that has double covalent bonds with CnH2n as the general chemical formula. Terpenes, found in essential oils, are members of this functional group.

alkene

an aliphatic hydrocarbon containing a double bond.
References in periodicals archive ?
Based on the experimental results, it was found that no alkenes were generated in the oil components when the Curie-point temperature was below 386[degrees]C.
Branched alkenes plot between their straight-chain analogues and the pyrogenic SOM markers, supporting the hypothesis that these branched alkenes are associated with charred aliphatic precursors (Eckmeier and Wiesenberg 2009; Kaal and Rumpel 2009).
Already, LoPachin's group has developed just such a compound that, in Petri dishes at least, sops up type-2 alkenes and protects nerves from harm.
Regardless, the pseudo-element approach used herein ties the three Fischer-Tropsch product families together with the olefin oligomerizations and the alkene to gasoline process (Tabak, 1981).
The drastic decrease in the intensity of the alkene proton signals at [delta] ~ 5.
has obtained a patent for a thermosetting powder coating composition comprised of a fluorine-containing copolymer and a curing agent, in which the copolymer contains, as essential structural units, a fluoroolefin unit, an alkene unit and p-tertiary butyl vinyl benzoate unit, has the p-tertiary butyl vinyl benzoate unit in an amount of from 5-20% by mole, has a thermal transition temperature of from 45[degrees] to 120[degrees] C and has a crosslinkable reaction group.
1] due to the vibration of methyl and methylene -CH2, which showed polymerization of alkene alkyl did not happen.
Chlorosilanes are utilized in hydrosilation where the addition of a SiH compound to a multiple bond, often an alkene or alkyne, is the pathway to synthesizing a veriety of unique polysiloxane systems.
In olefin metathesis (olefin is another name for alkene, a carbon chain with double bonding)," the Academy explains, "the double-bonding atom groups will change places with one another," forming two new olefins-and creating a new substance.