Tethered bis-amidinates as supporting ligands: A concerted elimination/σ-π rearrangement reaction forming an unusual titanium arene complex

Angewandte Chemie - International Edition

Volumn 37, Issue 12, 1998, Pages 1729-1731

  Hagadorn, John R ^a   Arnold, John ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Amidinates; Arene complexes; Hydrido complexes; N ligands; Titanium

Indexed keywords

EID: 0032479491     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1521-3773(19980703)37:12<1729::AID-ANIE1729>3.0.CO;2-F     Document Type: Article

References (27)

1. F. T. Edelmann, Coord. Chem. Rev. 1994, 137, 403.
2. K. Dehnicke, Chem. Ztg. 1990, 114, 295.
3. J. Barker, M. Kilner, Coord. Chem. Rev. 1994, 133, 219.
4. D. Fenske, E. Hartmann, K. Dehnicke, Z. Naturforsch. B 1988, 43, 1611.
5. H. W. Roesky, B. Meller, M. Noltemeyer, H. G. Schmidt, U. Scholz, G. M. Sheldrick, Chem. Ber. 1988, 121, 1403.
6. A. N. Chernega, R. Gomez, M. L. H. Green, J. Chem. Soc. Chem. Commun. 1993, 1415.
7. D. G. Dick, R. Duchateau, J. H. Edema, S. Gambarotta, Inorg. Chem. 1993, 32, 1959.
8. J. C. Flores, J. C. W. Chien, M. D. Rausch, Organometallics 1995, 14, 1827.
9. 3 migration and CN bond cleavage. See J. R. Hagadorn, J. Arnold, J. Am. Chem. Soc. 1996, 118, 893; Inorg. Chem. 1997, 36, 2928; Organometallics 1994, 13, 4670; C. Ergenzinger, A. El-Kohli, U. Muller, K. Dehnicke, Z. Anorg. Allg. Chem. 1989, 568, 55. F. A. Cotton, L. M. Daniels, C. A. Murillo, X. Wang, Inorg. Chem. 1997, 36, 896.
10. 3 migration and CN bond cleavage. See J. R. Hagadorn, J. Arnold, J. Am. Chem. Soc. 1996, 118, 893; Inorg. Chem. 1997, 36, 2928; Organometallics 1994, 13, 4670; C. Ergenzinger, A. El-Kohli, U. Muller, K. Dehnicke, Z. Anorg. Allg. Chem. 1989, 568, 55. F. A. Cotton, L. M. Daniels, C. A. Murillo, X. Wang, Inorg. Chem. 1997, 36, 896.
11. 3 migration and CN bond cleavage. See J. R. Hagadorn, J. Arnold, J. Am. Chem. Soc. 1996, 118, 893; Inorg. Chem. 1997, 36, 2928; Organometallics 1994, 13, 4670; C. Ergenzinger, A. El-Kohli, U. Muller, K. Dehnicke, Z. Anorg. Allg. Chem. 1989, 568, 55. F. A. Cotton, L. M. Daniels, C. A. Murillo, X. Wang, Inorg. Chem. 1997, 36, 896.
12. 3 migration and CN bond cleavage. See J. R. Hagadorn, J. Arnold, J. Am. Chem. Soc. 1996, 118, 893; Inorg. Chem. 1997, 36, 2928; Organometallics 1994, 13, 4670; C. Ergenzinger, A. El-Kohli, U. Muller, K. Dehnicke, Z. Anorg. Allg. Chem. 1989, 568, 55. F. A. Cotton, L. M. Daniels, C. A. Murillo, X. Wang, Inorg. Chem. 1997, 36, 896.
13. 3 migration and CN bond cleavage. See J. R. Hagadorn, J. Arnold, J. Am. Chem. Soc. 1996, 118, 893; Inorg. Chem. 1997, 36, 2928; Organometallics 1994, 13, 4670; C. Ergenzinger, A. El-Kohli, U. Muller, K. Dehnicke, Z. Anorg. Allg. Chem. 1989, 568, 55. F. A. Cotton, L. M. Daniels, C. A. Murillo, X. Wang, Inorg. Chem. 1997, 36, 896.
14. For examples in Ta chemistry see D. Arney, P. Fox, M. Bruck, D. Wigley, Organometallics 1997, 16, 3421.
15. For examples of reductive coupling of C-C bonds to form π-arenes see: J. Arnold, G. Wilkinson, B. Hussain, M. B. Hursthouse, Organometallics 1989, 8, 1362.
16. Details will be presented in a full paper. For a related reaction see A. J. Hill, J. V. Johnston, J. Am. Chem. Soc. 1954, 76, 920.
17. -3. Crystallographic data (excluding structure factors) for the structures reported in this paper have been deposited with the Cambridge Cryslallographic Data Centre as supplementary publication no. CCDC-100894. Copies of the data can be obtained free of charge on application to CCDC, 12 Union Road, Cambridge CB2 1EZ, UK (fax: (+44)1223-336-033; e-mail: deposit@ccdc.cam.ac.uk).
18. 0(naphthalene) complex see T. G. Gardner, G. S. Girolami, Angew. Chem. 1988, 100, 1755; Angew. Chem. Int. Ed. Engl. 1988, 27, 1693.
19. 0(naphthalene) complex see T. G. Gardner, G. S. Girolami, Angew. Chem. 1988, 100, 1755; Angew. Chem. Int. Ed. Engl. 1988, 27, 1693.
20. F. Caldorazzo, I. Ferri, G. Pampaloni, U. Englert, M. L. H. Green, Organometallics 1997, 16, 3100.
21. S. I. Troyanov, J. Organomet. Chem. 1994, 475, 139.
22. S. I. Troyanov, J. Polacek, H. Antropiusova, K. Mach, J. Organomet. Chem. 1992, 431, 317.
23. S. I. Troyanov, M. Y. Furkaluk, V. B. Rybakov, Metalloorgan. Khim. 1988, 1, 298.
24. S. I. Troyanov, V. B. Rybakov, Metalloorgan. Khim. 1988, 1, 1282.
25. U. Thewalt, F. Stollmaier, J. Organomet. Chem. 1982, 228, 149.
26. Y. Chen, T. Marks, Organometallics 1997, 16, 3649.
27. M. E. Thompson, S. M. Baxter, A. R. Bulls, B. J. Burger, M. C. Nolan, B. D. Santarsiero, W. P. Schaefer, J. E. Bercaw, J. Am. Chem. Soc. 1987, 109, 203.