Ar. Kudinov et al., SYNTHESIS OF NEUTRAL TRINUCLEAR AND TETRANUCLEAR ORGANOMETALLIC CLUSTERS OF GROUP-VIII TRANSITION-METALS, Russian chemical bulletin, 46(3), 1997, pp. 559-567
A number of earlier unknown tri- and tetranuclear organometallic clust
ers of group VIII transition metals was synthesized by the addition of
coordinatively unsaturated species to a single metal-metal bond. A nu
mber of novel heteronuclear clusters, CpCp2'RhM2(mu-Co)(3)(mu(3)-CO),
(Cp' = Cp, Cp; M-2 = Ru-2, Fe-2, RuFe); Cp2Cp*Rh2M2(mu(3)-CO)(3) (M =
Ru, Fe); Cp3CpRh3M(mu(3)-CO)(2)(mu(3)-rl) (M = Ru, Fe); Cp2Cp*2Rh2Co
2(mu(3)-CO)(2), etc., was obtained.