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 ?
The proportion of alkenes in the oil components was high, the ratios being the following: 4.
mass 10:1-28:1 C10-28 alkene 140-392 55+69 10:0-28:0 C10-28 alkane 142-394 57+71 Al1 aliphatic compound n.
Interactions with type-2 alkenes with potential amino acid target: calculated HSAB parameters.
We know that humans are pervasively exposed to type-2 alkenes, but nobody has ever considered the possibility that type-2 alkenes in the environment might be involved in Alzheimer's.
Bromination of Alkenes and Related Compounds by Use of Benzyltrimethylammonium Tribromide in Aprotic and Protic Solvents".
Ho] are the Lagrange multipliers for carbon and hydrogen in the paraffin, alkene and alcohol series, respectively.
The resin was heated to 175[degrees]C, and when the entire quantity of resin was molten, an oxazoline functional alkene (73-170 g), depending on the degree of modification required, was added from the addition funnel for over 60 min.
The copolymer, representing 1-20% by weight, is selected from the group consisting of copolymers of propylene with 45-60% by weight of one or more CH2_CHR alkenes, where R is an alkyl group containing 2 to 6 carbon atoms or copolymers of propylene with 45-60% by weight of the one or more CH2_CHR alkenes and with 0-6% by weight ethylene; copolymers of 20 to 80% by weight ethylene with one or more CH2_CHR_ alkenes, where R_ is an alkyl group containing from 1 to 6 carbon atoms, the copolymers of ethylene containing from 0-30% of fraction insoluble in xylene at 25[degrees]C, or copolymers of 20-80% by weight ethylene with one or more of the CH2_CHR_ alkenes and from 1-10% by weight of a diene.
In the case of thermochemical liquefaction of reed, alkanes and alkenes mostly originate from reed bitumen as the main components of reed--cellulose and lignin--do not include long chain hydrocarbons.
Combining a pair of representatives from two major classes of organic chemicals known as alkynes and alkenes yielded a trans-enone--a structural motif found in some medicinal compounds.
Zinc was used as the metal center for the dye, and the substituents were alkenes.
Main compounds of interest include, acids, alcohols, ketones, aldehydes, lactones, esters, sulphur, phenols, benzene compounds, terpenes, alkanes, alkenes, thiols, thiol esters, pyrazines, furans, amines and others.