M. Yuki et al., PHOTON-INDUCED, REDUCTANT-INDUCED, AND OXIDANT-INDUCED SUBSTITUTION OF A CO-LIGAND ON CLOSO-[CP-ASTERISK-2FE3S2(CO)(3)] (CP-ASTERISK = ETA(5)-C5ME5), Chemistry Letters, (6), 1998, pp. 561-562
Substitution of CO in closo-[Cp2Fe3S2(CO)(3)] (1) by PPh3 was acceler
ated upon photolysis or by treatment with reductant or oxidant to give
mono(PPh3)-substituted clusters. In the redox-induced reaction, [1](-
) and [1](+) were proposed as labile intermediates to substitution of
CO.