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alkene |
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alkene) The alkenes ethene (C2H4), propene (CH3CH=CH2), and butene (C4H8). Alkenes all have the general formula CnH2n. Member of the group of hydrocarbons having the general formula CnH2n, formerly known as olefins. Alkenes are unsaturated compounds, characterized by one or more double bonds between adjacent carbon atoms. Lighter alkenes, such as ethene and propene, are gases, obtained from the cracking of oil fractions. Alkenes react by addition, and many useful compounds, such as polythene and bromoethane, are made from them. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| By targeting the carbon-carbon double bond, which is usually difficult to break, metathesis reactions provide "a new way to link molecules together," says Ronald Breslow, a chemist at Columbia University and Grubbs' Ph. For example, a classification of "R" (as in SBR) indicates the rubber has an unsaturated carbon molecular chain containing carbon-carbon double bonds. |
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Carbon-carbon double bond
