THE SYNTHESIS, STRUCTURAL CHARACTERIZATION AND VARIABLE-TEMPERATURE H-1-NMR STUDY OF THE BIS-TOLUENE HEXARUTHENIUM CARBIDOCARBONYL CLUSTER [RU6C(CO)(11)(ETA(6)-C(6)H(5)ME)(MU(3)-ETA(2)ETA(2)ETA(2)-C(6)H(5)ME)]

被引:21
作者
BRAGA, D
GREPIONI, F
PARISINI, E
DYSON, PJ
JOHNSON, BFG
REED, D
SHEPHERD, DS
BAILEY, PJ
LEWIS, J
机构
[1] DEPT CHEM,EDINBURGH EH9 3JJ,MIDLOTHIAN,SCOTLAND
[2] UNIV CAMBRIDGE,CHEM LAB,CAMBRIDGE CB2 1EW,ENGLAND
关键词
D O I
10.1016/0022-328X(93)83371-2
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The synthesis, chemical characterisation and single crystal X-ray structural study of the bis-toluene hexaruthenium carbidocarbonyl cluster [Ru6C(CO)(1)1(eta(6)-C(6)H(5)Me)(mu(3)-eta(2):eta(2):eta(2)-C(6)H(5)Me)] is reported. A variable temperature H-1 n.m.r. study reveals that in solution the complex exists in two isomeric forms, one of them, that observed in the solid state and the solid state and the other the trans-[Ru6C(CO)(1)1(eta(6)-C(6)H(5)Me)(2)] isomer. Interchange of the toluene ligand between the mu(3)-eta(2):eta(2):eta(2) and eta(6) co-ordination mode if confirmed by deuterum labelling experiments involving C6D5CD3.
引用
收藏
页码:301 / 308
页数:8
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