(Bicyclo[2.2.1]hepta-2,5-diene)carbonyltrihalogenoruthenate(II) complexes
- 1 January 1973
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 20,p. 2112-2114
- https://doi.org/10.1039/dt9730002112
Abstract
The preparation of the first anionic ruthenium(II) diene complexes M[RuX3CO(C7H8)]{M = Ph3(PhCH2)P+ or Cs+; X = Cl or Br; C7H8= bicyclo[2.2.1]hepta-2,5-diene (norbornadiene)}via cleavage of [RuCl2CO(C7H8)]n with halide ion are reported. Detailed 1H n.m.r. and homonuclear decoupling studies indicate a structure with the carbonyl and a halide group co-ordinated cis to the diene. Reaction of the complex [RuCl2CO(C7H8)]n with Ph4AsCl,HCl in acetone gives a mixture of inseparable products, but when heated under reflux only cis-(Ph4As)2[RuCl4(CO)2] is isolated.Keywords
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