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carbanion
(redirected from carbanions)

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car·ban·i·on  (kär-bnn, -n)
n.
An anion in which carbon carries a negative charge and an unshared pair of electrons.
carbanion [kɑːˈbænaɪən]
n
(Chemistry) Chem a negatively charged organic ion in which most of the negative charge is localized on a carbon atom Compare carbonium ion
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This issue covers reactions of aldehydes and ketones and their derivatives; reactions of carboxylic, phosphoric and sulfonic acids and their derivatives; oxidation and reduction; carbenes and nitrenes; nucleophilic and electrophilic aromatic substitution; carbocations; nucleophilic aliphatic substitution; carbanions and electrophilic aliphatic substitution; elimination reaction; addition reactions (polar addition and cycloaddition); and molecular rearrangements.
Organic Reaction Mechanisms: 2002, an Annual Survey Covering the ... by SciTech Book News
In conjunction with butadiene monomer, such an organolithium based system produces allylic carbanions that are unique in terms of their structure, reactivity and solvency.
Structure-property relationships--linear and star-branched ... by Henning, Steven K. / Rubber World
In the case of the sequential anionic living polymerization of (meth)acrylic monomers, it is generally known that the nucleophilic attack of polystyryl carbanions on the caronyl group of (meth)acrylic monomer is the most usual side reaction, leading to the limited monomer conversion and branch formation.
The effect of a partly hydrolyzed styrene-tert-butyl acrylate diblock ... by Kim, Ho Cheol; Jo, Won Ho / Polymer Engineering and Science
 
 
 
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