This review describes possibilities of introducing carbon-containing substi
tuents into close-polyhedral boron clusters by formation of boron-carbon bo
nds. The B12H122- cluster can be reacted with carbocations. Reactions under
Friedel-Crafts conditions with acyl halides usually lead to halogenation r
ather than substitution with organic residues. The CO group can be introduc
ed readily to yield starting material for further reactions. Pd-catalyzed G
rignard reactions of the monoiodo derivative of B12H122- lead to the format
ion of B-C bonds. (C) 1999 Elsevier Science S.A. All rights reserved.