alkene

(redirected from Alkenes)
Also found in: Dictionary, Thesaurus, Encyclopedia.

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 ?
The results for NBR are mixed; the alkane fuel molecule showed low solubility potential for these elastomers, while the alkenes and aromatic candidates produced solubility potentials similar to E10D.
Category Main components Aromatic hydrocarbons Ethylbenzene, 1,3-dimethyl benzene, 1-methylene lH-indene, butylated hydroxy toluene, 1-methylnaphthalene, 2-methylnaphthalene Alkanes Undecane, dodecane, tridecane, tetradecane, pentadecane, hexadecane, 2,6,10-trimethyl dodecyl, 4-(prop-2 loxypropangl)octane, 2,6-dimethyl decane Alkenes 2-Propenylidene cyclobutene, cedrene, Seychelles alkene Aldehydes and ketones Hexanal, nonanal, benzaldehyde, acetophenone, undecanal Esters Butyl butyrate, 3-methyl heptanol acetate, 2 acrylic acid 2 ethylhexyl ester, oxalic acid acrylate Others TV-butyl ether
Because of the wide application of Z- alkenes in the synthesis of some industrial fine chemicals, development of new catalyst in partial hydrogenation of alkynes is essential.
Discovery of Zr-catalyzed asymmetric carboalumination of alkenes (ZACA)
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).
For example, Table 1 shows that when [sigma] and [omega] values were calculated for a series of type-2 alkenes, the corresponding values were only qualitatively related to the second-order rate constants ([k.
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.
This standard states that the GC system requirement for analysis of higher hydrocarbons includes that it: be capable of measuring alkenes up to and including dodecane, be capable of measuring individual alkenes at a concentration of 0.
With very minimal processing, we can produce a pure stream of jet-fuel-range alkenes and a fairly pure stream of carbon dioxide.
He introduces the basic concepts of light and matter to begin, then explains light adsorption and electronically-excited states, the physical deactivation of excited states, radiative processes of excited states, intramolecular radiationless transitions of excited states, intermolecular physical processes of excited states, some aspects of the chemical properties of excited states, the photochemistry of alkenes and carbonyl compounds, some aspects of photochemical reaction mechanisms, semiconductor photochemistry, and an introduction to supramolecular photochemistry.
2001, "Electrophilic Binuclear Methylpalladium(II) Complexes: Copolymerisation of Alkenes and Carbon Monoxide," Organometallics, 20, pp 3459-3465.
His lecture focused on carbocoupling through organo-zinc, -aluminum and --zirconium reagents (Negishi coupling) with a particular focus on recent advances in the Pd-catalysed synthesis of alkenes, dienes, enynes, diynes and their oligomers.