group which is β to a CH group. In complex (3) both metal centres are co-ordinated by a CO and a PPh3 ligand. This is also true for the rhodium atom in (2), while the cobalt atom in the latter carries the tetra-methylcyclobutadiene ring and a CO group. Compound (4) has a Rh–Ir bond [2.781(1)Å] bridged by a C2B9H10 moiety. The latter is η5 co-ordinated to the rhodium atom and forms an exopolyhedral B–Ir
盐[净4 ]的[Rh(CO)(PPH 3)(η 5 -C 2乙9 ħ 11)](1)反应与配合物[Co(CO)2(NCMe)(η 4 -C 4我4)] [PF 6 ],[Rh 2(µ-Cl)2(CO)4和[IrCl(CO)2(NH 2 C 6 H 4 Me-4)]分别提供双
金属化合物[CoRh(CO)2(PPH 3)(η 4 -C 4我4)(η 5 -C 2乙9 ħ 11)](2),的[Rh 2(CO)2(PPH 3)2(η 5 -C 2乙9 ħ 11)](3)和[RhIrH(μ -σ:η 5 -C 2乙9 ħ 10)(CO)3(PPH 3)2 ](4)。配合物(3)也涉及除BH的一个不寻常的反应得到3 ·THF(THF =
四氢呋喃)到(2)。的处理(4)与K [BH(CHMeEt)3 ]中净的存在下4
氯得到盐[净4 ] [RhIr(μ-σ:η 5 -C 2乙9 ħ 10)(CO)3( PPh