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How To Use Alkene In A Sentence

  • The functional group of an alkene is its carbon-carbon double bond.
  • The biradical can revert to the starting material, cyclize to give a cyclobutanol derivative, or in our case, fragment to an alkene and an enol component.
  • Alkanes (sometimes called paraffins) have only single bonds, while alkenes (sometimes called olefins) have a carbon-carbon double bond, and alkynes have a carbon-carbon triple bond.
  • In South Africa, interest in alkene metathesis research is growing.
  • The alkene carbon-carbon double bond is made from two sp trigonally hybridized carbons.
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  • Furthermore, there was no evidence of ethyl esters, dimers, alkanes or alkenes, which might be expected for an oxidative reaction.
  • They had reacted a conjugated diene with a simple alkene to generate a cycloalkane.
  • These conical intersections are fundamentally different from the ‘H-vinyl’ structures found in simple alkenes because they involve the interaction of four sigma electrons, as opposed to two pi electrons and two sigma electrons.
  • Many alkyl halides, alcohols, or alkenes can be reacted with benzene in the presence of certain catalysts to give an alkyl benzene.
  • As we know, nitroalkenes are slightly electrophilic or mild oxidizing agents. Forever Young
  • When alkyl hydrogen sulfates are added to water, sulfuric acid is recovered and the product obtained from the alkene is an alcohol.
  • Organic sulfates are esters and are formed by reacting an alcohol with cold sulfuric acid or by the reaction of sulfuric acid with a double bond in an alkene.
  • As for cinnamic aldehyde, the curcuminoids, and the nitroalkenes, I believe the anticancer activity and other therapeutic benefits of a nitrone spin trap results from the fact that it is a mild electrophile and a Michael acceptor pharmacophore. Forever Young
  • The iodomethyl zinc iodide reacts with an alkene to give a cyclopropane.
  • Ozone is a strong electrophilic reagent which can attack the double bond found in alkenes.
  • For example reduction of ethanol gives the alkene ethene.
  • Ozonolysis and photolysis of alkene-terminated self-assembled monolayers on quartz nanoparticles: implications for photochemical aging of organic aerosol particles, J. Park, A.L. Gomez, M.L. Walser, A. Lin, and S.A. Nizkorodov, Phys. Contributor: Maggie L. Walser
  • For example reduction of ethanol gives the alkene ethene.
  • Formally, the epoxidation of alkenes with peracids can also be considered a coarctate reaction.
  • Now the group is studying alkene epoxidation and other reactions. Chemical & Engineering News: Latest News
  • As for cinnamic aldehyde, the curcuminoids, and the nitroalkenes, I believe the anticancer activity and other therapeutic benefits of a nitrone spin trap results from the fact that it is a mild electrophile and a Michael acceptor pharmacophore. Forever Young
  • They had reacted a conjugated diene with a simple alkene to generate a cycloalkane.
  • Organic sulfates are esters and are formed by reacting an alcohol with cold sulfuric acid or by the reaction of sulfuric acid with a double bond in an alkene.
  • Examples of stereoisomers include the cis and trans isomers of the alkenes.
  • Epoxidation, the conversion of an olefin (an unsaturated alkene hydrocarbon) to a cyclic ether through reaction with hydrogen peroxide, a peracid, or oxygen, is an important chemical technique.
  • If an alkene is 1,2 - disubstituted, there are two possible structures - one with the substituents on the same side and one with the substituents on the opposite sides.
  • Many alkyl halides, alcohols, or alkenes can be reacted with benzene in the presence of certain catalysts to give an alkyl benzene.
  • The alkene ethene can be produced by heating ethanol with (for example) aluminum oxide.
  • By careful use of appropriate conditions and catalysts alkanes can be converted into other hydrocarbons such as the alkenes and alkynes.
  • By careful use of appropriate conditions and catalysts alkanes can be converted into other hydrocarbons such as the alkenes and alkynes.
  • We have since shown that this type of conical intersection structure is general for other alkene systems leading to carbene formation and cis-trans isomerization where possible.
  • Hamashima, Y. & Sodeoka, M. Diastereo - and enantioselective conjugate addition of α-ketoesters to nitroalkenes catalyzed by a chiral R&D Mag - News
  • This reaction has become synthetically useful since the discovery of various well-defined transition metal carbene complexes which can catalyse alkene metathesis.
  • Originally epoxides were named as oxides of alkenes.
  • Ozone is a strong electrophilic reagent which can attack the double bond found in alkenes.
  • It had been demonstrated by our experiments that higher conversion of hydrocarbons and yield of light alkenes could be obtained in the GOC of various hydrocarbons than those in the pyrolysis.
  • Recently there has also been a growing interest in utilising what is known as the alkene metathesis reaction for altering chain-lengths of ‘oils’ to form new compounds.
  • Higher alkenes take their names from the corresponding alkanes: propene, butene, etc.
  • It influences the metabolism of fat and peanut alkene, resists the inflammation and the agglutination of hematoblasts, prevents allergic symptoms.
  • After several trials, the researchers determined that nickel catalysts, which share similar properties to palladium materials, allowed the α-ketoesters to add to nitroalkenes with high yields and purity; over 90% of the final product corresponded to a specific stereoisomer, a molecule with a hard-to-achieve, geometrically distinct structure. R&D Mag - News
  • Among the 4800 constituents of tobacco smoke, researchers have identified more than 100 alkanes, 150 alkenes and 55 alicyclic hydrocarbons.
  • The alkene carbon-carbon double bond is made from two sp trigonally hybridized carbons, where one of the carbon-carbon bonds is a sigma bond (along the internuclear line) and the other is a pi bond (with side to side bonding).
  • The principal reason for this is the unsaturated nature of the alkene that allows the double bond to polymerize and to participate in many other reactions that the saturated alkanes cannot.
  • The lipid hydroperoxide thus formed will decompose into alkoxy radicals, aldehydes, alkenes, epoxides and alcohols.
  • The focus then shifts to a systematic presentation of the various substrates classes, namely carboxylic esters, amides and peptides, lactams and lactones, esters of inorganic acids, alkene and arene epoxides, and some miscellaneous hydrolyzable moieties. The Earth Times Online Newspaper
  • This is one of the most common ways of synthesizing alkenes, double-bonded hydrocarbons.
  • Among the 4800 constituents of tobacco smoke, researchers have identified more than 100 alkanes, 150 alkenes and 55 alicyclic hydrocarbons.
  • Organic sulfates are esters and are formed by reacting an alcohol with cold sulfuric acid or by the reaction of sulfuric acid with a double bond in an alkene.
  • Many alkyl halides, alcohols, or alkenes can be reacted with benzene in the presence of certain catalysts to give an alkyl benzene.
  • Hopefully, things will not go quite as easily for Balkenende as they appear to be going for Brown; leading opposition party SP are determined not to be "hassled" into agreement and are insisting that the text should be throughly reviewed and evaluated. A Letter from Limburg
  • Epoxidation, the conversion of an olefin (an unsaturated alkene hydrocarbon) to a cyclic ether through reaction with hydrogen peroxide, a peracid, or oxygen, is an important chemical technique.
  • For example, Hoveyda explains, olefin metathesis can be difficult to use on compounds that contain sterically hindered alkenes and certain functional groups, such as amines and carbonyls. Chemical & Engineering News: Latest News
  • In elimination, two groups on adjacent carbon atoms are lost and an olefine (alkene) is formed. Press Release: The 1994 Nobel Prize in Chemistry
  • When oil is refined this reaction is used to remove unwanted alkenes.
  • Ozonolysis and photolysis of alkene-terminated self-assembled monolayers on quartz nanoparticles: implications for photochemical aging of organic aerosol particles, J. Park, A.L. Gomez, M.L. Walser, A. Lin, and S.A. Nizkorodov, Phys. Contributor: Maggie L. Walser
  • The chemistry builds on a procedure recently developed in our laboratories, permitting catalytic enantioselective oxygen transfer to alkenes over a short timescale, in the presence of as little as 0.1 mol% of catalyst. Naturejobs - All Jobs
  • The first step is the addition of the proton to the pi bond of the alkene or alkyne, acting as the electron source.
  • Furthermore, there was no evidence of ethyl esters, dimers, alkanes or alkenes, which might be expected for an oxidative reaction.
  • Addition reactions of electrophilic reagents to the alkene double bond (yielding substituted alkenes) are the most typical.
  • New metallocene catalysts are used in the preparation of new plastics, including new methods for the polymerization of alkenes such as ethylene and propylene.
  • Ozone is a strong electrophilic reagent which can attack the double bond found in alkenes.
  • The result are bond angles of approximately 120° for the three atoms bonded to each of the alkene carbons.

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