Chromium bis(phosphoranimine) complexes; bridging chromium carbenes with no CO or Cp supporting ligands†

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

Aparna Kasani, Robert McDonald and Ronald G. Cavell


Abstract

Novel dimeric and tetrametallic Cr(II) bridging carbene complexes supported by bis(phosphinimine) ligands are described.


References

  1. E. O. Fischer and A. Maasböl, Angew. Chem., Int. Ed. Engl., 1964, 3, 580 CrossRef.
  2. See for example: W. D. Wulff, Organometallics, 1998, 17, 3116 Search PubMed; K. H. Dötz, H. Fischer, P. Hofmann, F. R. Kreissl, U. Schubert and K. Weiss, Transition Metal Carbene Complexes, Verlag Chemie, Weinheim, 1983 CrossRef CAS; M. P. Doyle and D. C. Forbes, Chem. Rev., 1998, 98, 911 CrossRef CAS; P. J. Brothers and W. R. Roper, Chem. Rev., 1988, 88, 1293 Search PubMed; C. F. Bernasconi, Chem. Soc. Rev., 1997, 26, 299 CrossRef CAS; K. J. Ivin, Olefin Metathesis, Academic Press, London, 1983 CrossRef CAS; K. H. Theopold, Eur. J. Inorg. Chem., 1998, 15 CrossRef CAS.
  3. J. Feldman and R. R. Schrock, Prog. Inorg. Chem., 1991, 39, 1.
  4. R. R. Schrock, Acc. Chem. Res., 1990, 23, 158 CrossRef CAS.
  5. K. H. Dötz and P. Tomuschat, Chem. Soc. Rev., 1999, 28, 187 RSC.
  6. M. J. Winter, ch 3, Hexacarbonyls and Carbonyl Complexes of Carbon σ-Bonded Ligands of Chromium, Molybdenum and Tungsten, in Comprehensive Organometallic Chemistry II, ed. E. W. Abel, F. G. A. Stone and G. Wilkinson, Pergamon, Oxford, 1995, vol. 5, pp. 155–214 Search PubMed.
  7. A. C. Filippou, D. Wössner, B. Lungwitz and G. Kociok-Köhn, Angew. Chem., Int. Ed. Engl., 1996, 35, 876 CrossRef CAS.
  8. M. P. Coles, V. C. Gibson, W. Clegg, M. R. J. Elsegood and P. A. Porrelli, Chem. Commun., 1996, 1963 RSC.
  9. J. Sundermeyer, K. Weber and H. Pritzkow, Angew. Chem., Int. Ed. Engl., 1993, 32, 731 CrossRef.
  10. S. Woodward and M. J. Winter, ch. 5, Organometallic Complexes of Chromium, Molybdenum and Tungsten without Carbonyl Ligands, in Comprehensive Organometallic Chemistry II, ed. E. W. Abel, F. G. A. Stone and G. Wilkinson, Pergamon, Oxford, 1995, vol. 5; pp. 281–329 Search PubMed.
  11. R. A. Heintz, S. Leelasubcharoen, L. M. Liable-Sands, A. L. Rheingold and K. H. Theopold, Organometallics, 1998, 17, 5477 CrossRef CAS.
  12. S. K. Noh, R. A. Heintz, C. Janiak, S. C. Sendlinger and K. H. Theopold, Angew. Chem., 1990, 102, 805 CAS; Angew. Chem., Int. Ed. Engl., 1990, 29, 775 Search PubMed.
  13. S. Hao, J.-I. Song, P. Berno and S. Gambarotta, Organometallics, 1994, 13, 1326 CrossRef CAS.
  14. G. Bhandari, Y. Kim, J. M. McFarland, A. L. Rheingold and K. H. Theopold, Organometallics, 1995, 14, 738 CrossRef CAS.
  15. J. L. Hubbard and W. K. McVicar, J. Am. Chem. Soc., 1986, 108, 6422 CrossRef CAS.
  16. A. Kasani, R. P. Kamalesh Babu, R. McDonald and R. G. Cavell, Angew. Chem., Int. Ed., 1999, 38, 1483 CrossRef CAS.
  17. C. M. Ong and D. W. Stephan, J. Am. Chem. Soc., 1999, 121, 2939 CrossRef CAS.
  18. R. G. Cavell, R. P. Kamalesh Babu, A. Kasani and R. McDonald, J. Am. Chem. Soc., 1999, 121, 5805 CrossRef CAS.
  19. R. P. Kamalesh Babu, R. McDonald and R. G. Cavell, Organometallics, 1999, 18 CAS in press.
  20. F. A. Cotton and R. A. Walton, Multiple Bonds Between Metal Atoms, John Wiley and Sons, New York, 1982, p. 466 Search PubMed.
  21. C. K. Johnson, ORTEP, Report ORNL No. 5138, Oak Ridge National Laboratory, Oak Ridge, TN, 1976.
  22. K. B. P. Ruppa, K. Feghali, I. Kovacs, K. Aparna, S. Gambarotta, G. P. A. Yap and C. Bensimon, J. Chem. Soc., Dalton Trans., 1998, 1595 RSC.
  23. M. W. Avis, C. J. Elsevier, N. Veldman, H. Kooijman and A. L. Spek, Inorg. Chem., 1996, 35, 1518 CrossRef CAS.
  24. R. P. Kamalesh Babu, R. McDonald and R. G. Cavell, X-ray structure of CH2{PCy2=NSiMe3}2, University of Alberta Structure Determination Laboratory, Report RGC 9802.
Click here to see how this site uses Cookies. View our privacy policy here.