Synthesis of stable monomeric iridium(0) and iridium(–1) complexes

(Note: The full text of this document is currently only available in the PDF Version )

Souâd Boulmaâz, Sandra Loss, Hartmut Schönberg, Stephan Deblon, Michael Wörle, Reinhard Nesper, Hansjörg Grützmacher and Marina Mlakar


Abstract

Using the troppPh ligand 1, stable monomeric d8-Ir+I, d9-Ir0 and d10-Ir–I complexes could be isolated and structurally characterized; in all complexes, the metal centre lies within a coordination sphere intermediate between a square plane and a tetrahedron.


References

  1. E. A. Halevi and R. Knorr, Angew. Chem., 1982, 94, 307 CAS; Angew. Chem., Int. Ed. Engl., 1982, 21, 288 Search PubMed.
  2. G. Pilloni, G. Zotti and S. Zecchin, J. Organomet. Chem., 1986, 317, 357 CrossRef CAS and references therein.
  3. J. Orsini and W. E. Geiger, J. Elektroanal., Chem., 1995, 380, 83 Search PubMed and references therein.
  4. J. Thomaier, S. Boulmaâz, H. Schönberg, H. RueeggerH. Hillebrecht, H. Pritzkow and H. GrützmacherNew J. Chem., 1998, in press Search PubMed.
  5. H. Schönberg, S. Boulmaâz, M. Wörle, L. Liesum, A. Schweiger and H. Grützmacher, Angew. Chem., 1998, 110, 1492 CrossRef; Angew. Chem., Int. Ed. Engl., 1998, 37, 1423 Search PubMed.
  6. See multi-electron reduction/oxidation of arene complexes were the hapticity of the ligands changes: Ch. Elschenbroich and A. Salzer, Organometallchemie, Teubner, Stuttgart, 1988, p. 366 Search PubMed; W. J. Browyer, J. W. Merkert, W. E. Geiger and A. L. Rheingold, Organometallics, 1989, 8, 191 Search PubMed; W. J. Browyer and W. E. Geiger, J. Am. Chem. Soc., 1985, 107, 5657 CrossRef.
  7. For tetrahedrally distorted d8-Rh complexes see: H. Schumann, M. Heisler and J. Pickardt, Chem. Ber., 1977, 110, 1020 Search PubMed; R. L. Harlow, S. A. Westcott, D. L. Thorn and R. T. Baker, Inorg. Chem., 1992, 31, 323 CAS and references therein.
  8. S. Deblon, H. Schönberg, H. Grützmacher and S. Loss, unpublished work.
  9. For the analysis of formally two electron processes see, for example: D. T. Pierce and W. E. Geiger, J. Am. Chem. Soc., 1992, 114, 6063 Search PubMed; K. Hinkelmann and J. Heinze, Ber. Bunsenges. Phys. Chem., 1987, 91, 243 CrossRef CAS.
Click here to see how this site uses Cookies. View our privacy policy here.