摘要:
A family of eta(5)-CpFe(CO)(2)-substituted closo-carboranes was synthesized and characterized, including cyclic voltammetry measurements. Like the previously reported bimetallic compound 1,12-[eta(5)-CpFe(CO)(2)](2)-1,12-C2B10H10 (8), 1,10-[eta(5)-CpFe(CO)(2)](2)-1,10-C2B8H8 (9) produces two dissimilar and irreversible one-electron oxidations within the same range, suggesting that it also exhibits through-cage electronic communication between iron centers. Structures determined by X-ray diffraction studies are reported for 1-[eta(5)-CpFe(PPh3)(CO)]-1,12-C2B10H11 (5), 1,12-[eta(5)-CpFe(CO)(2)](2)-1,12-C2B10H10 (8), and 1,10-[eta(5)-CpFe(CO)(2)](2)-1,10- C2B8H8(9).