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An organic cation in which the positive charge is on a carbon atom;,for example, (CH3)+. It is now recommended that carbocation be used as the class name and carbenium for specific compound names.
References in periodicals archive ?
At high reaction temperature (>600[degrees]C), C4 hydrocarbons will certainly undergo free radical reactions, as well as carbonium ion reactions on the active centres of catalyst surface.
The cracking rate of alkenes is much higher than that of alkanes following the carbonium ion mechanism, therefore, catalytic pyrolysis of C4 hydrocarbons at low temperature mainly follows the carbonium ion mechanism.
For the cracking of hydrocarbons, the selectivity of ethene and ethane following the carbonium ion mechanism is generally lower than that following the free radical mechanism.
Schleyer, Carbonium Ions, 2, 837-97, Wiley, New York (1970).
This rule allows carbonium ions of different structure to be distinguished between those that could create tumors in organisms and those that cannot (ref.
A sulfated 1'-hydroxy intermediate that can undergo rearrangement to form an active carbonium species is believed to be the biologically active form of methyl eugenol.
The results of these studies support the hypothesis that the formation of a carbonium ion species that can react with DNA is the critical metabolite for methyl eugenol exposure.
The dynamics of carbonium ion chemistry is the concern of Ted Sorensen.