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carbocation

   Also found in: Wikipedia 0.01 sec.
carbocation [¦kär·bō′kat‚ī·ən]
(organic chemistry)
A positively charged ion whose charge resides, at least in part, on a carbon atom or group of carbon atoms.
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Its biosynthesis involves the reaction of 3-methyl-2-buten-1-ol pyrophosphate (7) to generate a transient allylic cation intermediate (8), which rapidly reacts with the electron-rich 3-methyl-3-buene-1-ol pyrophosphate (9) to form a carbon-carbon chemical bond and a second carbocation intermediate (10).
New silane coupling agents for NR/truck tire applications by Jiang, Ping; Kounavis, John; Alfonso, Juan; Sloan, Wesley; Pohl, Eric; Stout, Michael / Rubber World
The nitrogen stabilized carbocation is the conjugate acid of the imine and transfer of the hydrogen atom, attached to the nitrogen, to water yields the imine.
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The reaction occurs in three steps: (1) a carbocation is formed through the reaction of halogenated alkane with aluminium chloride; (2) the carbocation (acting as an electrophile) hits the benzene ring to form an arenium ion; (3) the arenium ion loses a proton to produce the alkylated benzene.
Structure and properties of in situ compatibilized ... by Guo, Zhenghong; Tong, Lifang; Xu, Zhongbin; Fang, Zhengping / Polymer Engineering and Science
 
 
 
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