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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 8, Number 2
February 20, 1987 

A Study on the Reaction of Icosahedral Carborane with Carbenes
Dae Dong Sung*, Jae Duck Lee, Soon Kyu Choi
The photolysis and thermal reaction of hexafluorobenzene solution of icosahedral dicarba-closo-dodecaborane and various carbenes have been shown to lead to the formation of four isomeric insertion products to icosahedral molecules. The results showed the carbene insertion reaction to 1, 2-dicarba-closo-dodecaborane to occur at the positions of 4-, 5-, 7-, and 11-borons, 9-, and 12-borons 3-, and 6-borons and 8-, and 10-borons. The samples of 1, 7-, and 1, 12-dicarba-closo-dodecaborane with carbenes in hexafluorobenzene by photolysis showed no reaction. To find out the reactivities of carbenes to dicarba-closo-dodecaboranes, the total energies have been calculated and have been discussed the tendency for carbene insertion reactions to icosahedral carboranes.
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