Bis(boryl)metallocenes. 1. 1,1′-bis(diisopropylboryl)cobaltocenium cation: A novel anion-binding ligand

Organometallics

Volumn 15, Issue 14, 1996, Pages 3106-3108

  Herberich, Gerhard E ^a   Fischer, Andreas ^a   Wiebelhaus, Dag ^a  

^a RWTH AACHEN UNIVERSITY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0008818330     PISSN: 02767333     EISSN: None     Source Type: Journal    
DOI: 10.1021/om960237x     Document Type: Article

References (32)

1. (a) Izatt, R. M.; Pawlak, K.; Bradshaw, J. S.; Bruening, R. L. Chem. Rev. 1995, 95, 2529.
2. (b) Lehn, J.-M. Supramolecular Chemistry; VCH: Weinheim, Germany, 1995; Chapter 3.
3. (c) Kaufmann, D. E.; Otten, A. Angew. Chem., Int. Ed. Engl. 1994, 33, 1832.
4. (d) Yang, X.; Knobler, C. B.; Zheng, Z.; Hawthorne, M. F. J. Am. Chem. Soc. 1994, 116, 7142 and literature quoted therein.
5. (a) Biallas, M. J. J. Am. Chem. Soc. 1969, 91, 7290.
6. (b) Saturnino, D. J.; Yamauchi, M.; Clayton, W. R.; Nelson, R. W.; Shore, S. G. J. Am. Chem. Soc. 1975, 97, 6063.
7. (c) Katz, H. E. J. Am. Chem. Soc. 1985, 107, 1420.
8. (d) Katz, H. E. J. Org. Chem. 1985, 50, 5027.
9. (e) Katz, H. E. Organometallics 1987, 6, 1134.
10. (f) Köster, R.; Seidel, G. Chem. Ber. 1992, 125, 627.
11. (g) Köster, R.; Seidel, G.; Wagner, K.; Wrackmeyer, B. Chem. Ber. 1993, 126, 305.
12. (h) Cf. also: Jäkle, F.; Mattner, M.; Priermeier, T.; Wagner, M. J. Organomet. Chem. 1995, 502. 123.
13. Herberich, G. E.; Fischer, A. Organometallics 1996, 15, 58.
14. (a) Ruf, W.; Renk, T.; Siebert, W. Z. Naturforsch. 1976, 31B, 1028.
15. (b) Appel, A.; Jäkle, F.; Priermeier, T.; Schmid, R.; Wagner, M. Organometallics 1996, 15, 1188 and literature quoted therein.
16. 6).
17. 2): δ -145.05 (sept, J = 707 Hz).
18. 16
19. For reference data see: (a) Nöth, H.; Wrackmeyer, B. In NMR Basic Principles and Progress; Diehl, P., Fluck, E., Kosfeld, R., Eds.; Springer-Verlag: Berlin, 1978; Vol. 14. (b) Wrackmeyer, B. Annu. Rep. NMR Spectrosc. 1988, 20, 61. (c) Siedle, A. R. Annu. Rep. NMR Spectrosc. 1988, 20, 205.
20. For reference data see: (a) Nöth, H.; Wrackmeyer, B. In NMR Basic Principles and Progress; Diehl, P., Fluck, E., Kosfeld, R., Eds.; Springer-Verlag: Berlin, 1978; Vol. 14. (b) Wrackmeyer, B. Annu. Rep. NMR Spectrosc. 1988, 20, 61. (c) Siedle, A. R. Annu. Rep. NMR Spectrosc. 1988, 20, 205.
21. For reference data see: (a) Nöth, H.; Wrackmeyer, B. In NMR Basic Principles and Progress; Diehl, P., Fluck, E., Kosfeld, R., Eds.; Springer-Verlag: Berlin, 1978; Vol. 14. (b) Wrackmeyer, B. Annu. Rep. NMR Spectrosc. 1988, 20, 61. (c) Siedle, A. R. Annu. Rep. NMR Spectrosc. 1988, 20, 205.
22. 2 δ 22.6 (Me) and 21.8 (Me), signal for BCH very broad, partially hidden.
23. 16
24. 2 δ 22.3 (br, BCH) and 20.6 (Me).
25. 16
26. 2 δ 21.2 (Me) and 18.4 (br, BHC).
27. For some recent examples of anion binding by the field effect, see: Weiss, R.; Pomrehn, B.; Hampel, F.; Bauer, W. Angew. Chem., Int. Ed. Engl. 1995, 34, 1319. Worm, K.; Schmidtchen, F. P. Angew. Chem., Int. Ed. Engl. 1995, 34, 65. Steed, J. W.; Juneja, R. K.; Atwood, J. L. Angew. Chem., Int. Ed. Engl. 1994, 33, 2456.
28. For some recent examples of anion binding by the field effect, see: Weiss, R.; Pomrehn, B.; Hampel, F.; Bauer, W. Angew. Chem., Int. Ed. Engl. 1995, 34, 1319. Worm, K.; Schmidtchen, F. P. Angew. Chem., Int. Ed. Engl. 1995, 34, 65. Steed, J. W.; Juneja, R. K.; Atwood, J. L. Angew. Chem., Int. Ed. Engl. 1994, 33, 2456.
29. For some recent examples of anion binding by the field effect, see: Weiss, R.; Pomrehn, B.; Hampel, F.; Bauer, W. Angew. Chem., Int. Ed. Engl. 1995, 34, 1319. Worm, K.; Schmidtchen, F. P. Angew. Chem., Int. Ed. Engl. 1995, 34, 65. Steed, J. W.; Juneja, R. K.; Atwood, J. L. Angew. Chem., Int. Ed. Engl. 1994, 33, 2456.
30. Frenz, B. A. ENRAF-Nonius SDP Version 5.0, Delft, The Netherlands, 1989, and local programs.
31. Further details of the crystal structure analyses are available on request from the Fachinformationszentrum Karlsruhe, Gesellschaft für wissenschaftlich-technische Information mbH, D-76344 Eggenstein-Leopoldshafen, Germany, on quoting the depository numbers CSD-391010 for 3, CSD-391011 for 4, and CSD-391012 for 5, the names of the authors, and this journal citation.
32. North, A. C. T.; Phillips, D. C.; Mathews, F. S. Acta Crystallogr. 1968, A24, 351.