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  4. Reactions of the cluster anion [HRu3(CO)(11))](-) with dicyclohexylphosphine: Synthesis and molecular structure of H2Ru3(CO)(8)(PCy2)(2) and H2Ru3(CO)(6)(PCy2)(2)(HPCy2)(2)
 
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Reactions of the cluster anion [HRu3(CO)(11))](-) with dicyclohexylphosphine: Synthesis and molecular structure of H2Ru3(CO)(8)(PCy2)(2) and H2Ru3(CO)(6)(PCy2)(2)(HPCy2)(2)

Auteur(s)
Süss-Fink, Georg 
Institut de chimie 
Godefroy, Isabelle
Faure, Matthieu
Neels, Antonia
Stoeckli-Evans, Helen 
Institut de physique 
Date de parution
2001
In
Journal of Cluster Science
Vol.
1
No
12
De la page
35
A la page
48
Mots-clés
  • phosphine
  • triruthenium
  • structure
  • RAY CRYSTAL-STRUCTURES
  • METAL BOND-CLEAVAGE
  • TRIRUTHENIUM CLUSTER
  • TRIOSMIUM CLUSTERS
  • HYDROFORMYLATION
  • HYDROGENATION
  • RUTHENIUM
  • PROPYLENE
  • DODECACARBONYLTRIRUTHENIUM
  • phosphine

  • triruthenium

  • structure

  • RAY CRYSTAL-STRUCTURE...

  • METAL BOND-CLEAVAGE

  • TRIRUTHENIUM CLUSTER

  • TRIOSMIUM CLUSTERS

  • HYDROFORMYLATION

  • HYDROGENATION

  • RUTHENIUM

  • PROPYLENE

  • DODECACARBONYLTRIRUTH...

Résumé
The cluster anion [HRu3(CO)(11)](-) (1) reacts with dicyclohexylphosphine in THF solution to give the anionic derivative [HRu3(CO)(8)(PCy2)(2)](-) (2), protonation of which yields the neutral cluster H2Ru3(CO)(8)(PCy2)(2) (3) and, in the presence of excess phosphine, HRu3(CO)(7)(PCy2)(3) (4). In protic methanol as reaction medium, the reaction of 1 with HPCy2 gives directly the neutral complex H2Ru3(CO)(6)(PCy2)(2)(HPCy2)(2) (5). together with 4. The single-crystal structure X-ray analysis of 3 shows a closed triangular Ru, framework. Tho electron count is in accordance with the EAN rule, but the structure analysis of 5 reveals an open, almost linear Ru, skeleton, which is electron-deficient with respect to the EAN rule.
Identifiants
https://libra.unine.ch/handle/123456789/13483
Type de publication
journal article
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