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Is tricyclopropyl methyl more stable than diphenyl methyl carbocation

Is tricyclopropyl methyl more stable than diphenyl methyl carbocation

Grade:12th pass

1 Answers

Umakant biswal
5349 Points
7 years ago
The stabilization of carbocations by cyclopropyl substituents results from the interaction of the cyclopropyl bonding orbitals with the vacant carbon p-orbitals. 
Electrons in these orbitals are relatively at higher energy than normal sigma electrons and are therefore particularly effective in interacting with the vacant p-orbital of the carbocation.  This interaction imposes a stereoelectronic prefernce for the bisected conformation of the cyclopropylmethyl Cation in comparison to the perpendicular conformation. Only the bisected conformation aligns the cyclopropyl C-C orbitals for effective overlap.
THIS IS A SPECIAL CASES IN ORGANIC CHEMISTRY AND MOST IMPORTANT ALSO . "
AND THAT IS ALSO CALLED AS BIND BIND CONJUGATION . 
SO, DUE TO THAT TRICYCLOPROPYL METHYL ARE MORE STABLE . 
HOPE IT CLEARS YOUR DOUBT 
ALL THE BEST ..
 

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