Reaction of the (Pentamethylcyclopentadienyl)silicon(II) cation with a sterically encumbered β-diketiminato anion: Unexpected formation of a tricyclic silicon(IV) compound

Organometallics

Volumn 28, Issue 7, 2009, Pages 1985-1987

  Jutzi, Peter ^a   Leszczyńska, Kinga ^a   Mix, Andreas ^a   Neumann, Beate ^a   Schoeller, Wolfgang W ^b   Stammler, Hans Georg ^a  

^a BIELEFELD UNIVERSITY   (Germany)

^b UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CONFORMATIONAL ISOMERS; PENTAMETHYLCYCLOPENTADIENYL;

ISOMERS; LEAD COMPOUNDS; NEGATIVE IONS; POSITIVE IONS;

SILICON COMPOUNDS;

EID: 65349146441     PISSN: 02767333     EISSN: None     Source Type: Journal    
DOI: 10.1021/om9001457     Document Type: Article

References (27)

1. Silylenes: (a) Denk, M.; Lennon, R.; Hayashi, R.; West, R.; Haaland, A.; Belyakov, H.; Verne. P.; Wagner. M. N. J. Am. Chem. Soc. 1994, 116, 2691-2692.
2. (b) Gehrhus, B.: Lappert, M. F.; Heinicke, J.; Boese, R.; Blaser, D. J. Chem. Soc, Chem. Commun. 1995, 1931-1932.
3. (c) Heinicke, J.; Oprea, A.; Kindermann, M. K.; Karpati, T.; Nyulaszi, L.; Veszpremi, T. Chem. Eur. J. 1998, 4, 541-545.
4. (d) Kira, M.; Ishida, S.; Iwamoto, T.; Kabuto, C. J. Am. Chem. Soc. 1999, 121, 9722.
5. (e) Driess, M.; Yao, S.: Brym, M.; van Wüllen, C.; Lentz, D. J. Am. Chem. Soc. 2006, 128, 9628. Reviews:
6. (f) Haaf, M.; Schwedake, A.; West, R. Acc. Chem. Res. 2000, 33, 704.
7. (g) Gerhus, B.; Lappert, M. F. J. Organomet. Chem. 2001, 617-618, 209.
8. Higher coordinated silicon(II) compounds: (a) Jutzi, P.; Kanne, D.; Krüger, C. Angew. Chem. 1986, 98, 163;
9. Angew. Chem., Int. Ed. Engl. 1986, 25, 164.
10. (b) Karsch, H. H.; Keller, U.; Gamper, S.; Müller, G. Angew. Chem. 1990, 102, 297;
11. Angew. Chem., Int. Ed. Engl. 1990, 29, 295.
12. (c) So, C. W.; Roesky, H. W.; Magull, J.; Oswald, E. B. Angew. Chem. 2006, 118, 4052;
13. Angew. Chem., Int. Ed. 2006, 45, 3948.
14. (d) So, C. W.; Roesky, H. W.; Gurubasavaraj, P. M.; Oswald, R. B.; Gamer, M. T.; Jones, P. G.; Blaurock, S. J. Am Chem. Soc. 2007, 129, 12049-12054.
15. Jutzi, P.; Mix, A.; Rummel, B.; Schoeller, W. W.; Neumann, B.; Stammler, H.-G. Science 2004, 305, 849.
16. Driess, M.; Yao. S.; Brym, M.; van Wüllen, C. Angew. Chem. 2006, 118, 6882;
17. Angew. Chem., Int. Ed. 2006, 45, 6730.
18. Jutzi, P.; Mix. A.; Neumann, B.; Rummel. B.; Stammler. H.-G. Chem. Commun. 2006, 3519-21.
19. Jutzi, P.; Leszczyńska, K.; Neumann, B.; Schoeller, W. W.; Stammler, H.-G. Angew. Chem. 2009, 121, in press;
20. Angew. Chem., Int. Ed. 2009, DOI 200805749.
21. 8
22. Stender, M.; Wright, R. J.; Eichler, B. E.; Prust, J.; Olmstead, M. M.; Roesky, H. W.; Power, P. P. Dalton Trans. 2001, 3465-3469.
23. The X-ray crystal structure data of the DME complex are given in the Supporting Information; the parameters are comparable to those obtained for complexes described in ref 8
24. (a) Basuli, F.; Kilgore, U. J.; Brown, D.; Huffman, J. C.; Mindiola, D. J. Organometallics 2004, 23, 6166-6175.
25. (b) Hamahaki, H.; Takeda, N.; Tokitoh. N. Organometallics 2006, 25, 2457-2464.
26. (c) Bai, G.; Wei, P.; Stephan, D. W. Organometallics 2006, 25, 2649-2655.
27. All computational results were obtained by full structural optimization at the RI-BP86 level utilizing a triple-ζ (TZVP) AO basis set; structures were identified as energy minima by vibrational analysis. For details and references see the Supporting Information.