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  4. Reactions of the cationic complex [(eta(5)-C5Me5)(2)Ir-2(mu(2)-H)(3)](+) with nitrogen-containing heterocycles in aqueous solution
 
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Reactions of the cationic complex [(eta(5)-C5Me5)(2)Ir-2(mu(2)-H)(3)](+) with nitrogen-containing heterocycles in aqueous solution

Auteur(s)
Faure, Matthieu
Onidi, Anne
Neels, Antonia
Stoeckli-Evans, Helen 
Institut de physique 
Süss-Fink, Georg 
Institut de chimie 
Date de parution
2001
In
Journal of Organometallic Chemistry
Vol.
1
No
634
De la page
12
A la page
18
Mots-clés
  • aqueous solution
  • hydrido ligands
  • iridium
  • pentamethylcyclopentadiene
  • pyrazolato ligands
  • triazolato ligands
  • ARENE-RUTHENIUM COMPLEXES
  • X-RAY STRUCTURE
  • HYDROGEN ACTIVATION
  • HYDRIDE COMPLEXES
  • ORGANOMETALLIC COMPLEXES
  • MOLECULAR-STRUCTURE
  • MAGNETIC-PROPERTIES
  • CRYSTAL-STRUCTURE
  • SPIN TRANSITION
  • PYRAZOLATE
  • aqueous solution

  • hydrido ligands

  • iridium

  • pentamethylcyclopenta...

  • pyrazolato ligands

  • triazolato ligands

  • ARENE-RUTHENIUM COMPL...

  • X-RAY STRUCTURE

  • HYDROGEN ACTIVATION

  • HYDRIDE COMPLEXES

  • ORGANOMETALLIC COMPLE...

  • MOLECULAR-STRUCTURE

  • MAGNETIC-PROPERTIES

  • CRYSTAL-STRUCTURE

  • SPIN TRANSITION

  • PYRAZOLATE

Résumé
The dinuclear cation [(eta (5)-C5Me5)(2)Ir2(mu (2)-H)(3)](+) (1) reacts in aqueous solution with pyrazole and 4-methylpyrazole to give the bispyrazolato complexes [(eta (5)-C5Me5)(2)Ir-2(mu (2)-H)(mu (2)-eta (1),eta (1)-N2C3H2R)(2)](+) (R = H, 2; R = Me, 3). The reaction of complex 1 with 1,2,4-triazole results in the formation of the bistriazolato complex [(mu (5)-C5Me5)(2)Ir-2(mu (2)-H)(mu (2)-eta (1),eta (1)-N3C2H2)(2)](+) (4). Successive protonation of the triazolato ligands in 4 leads to the complexes [(eta (5)-C5Me5)(2)Ir-2(mu (2)-H)(mu (2)-eta (1),eta (1)-N3C2H2)(mu (2)-eta (1),eta (1)-N3C2H3)](2+) (5) and [(eta (5)-C5Me5)(2)Ir-2(mu (2)-H)(mu (2)-eta (1),eta (1)-H3C2H3)(2)](3+) (6). The reaction of 1 with 1,2,3-triazole gives a 1:1 mixture of the bistriazolato complexes [(eta (5)-C5Me5)(2)Ir-2(mu (2)-H)(mu (2)-eta (1),eta (1)-N3C2H2)(2)](+) with parallel (7a) and antiparallel (7b) coordination of the triazolato ligands. The X-ray structure analysis of 3 reveals a diiridium backbone which is bridged by two pyrazolato ligands, the N-N axis being coordinated in a mu (2)-eta (1),eta (1) fashion. (C) 2001 Elsevier Science B.V. All rights reserved.
Identifiants
https://libra.unine.ch/handle/123456789/13212
Type de publication
journal article
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