Synergic monodeprotonation of bis(benzene)chromium by using mixed alkali metal-magnesium amide bases and structural characterization of the heterotrimetallic products

Angewandte Chemie - International Edition

Volumn 44, Issue 1, 2004, Pages 68-72

  Hevia, Eva ^a   Honeyman, Gordon W ^a   Kennedy, Alan R ^a   Mulvey, Robert E ^a   Sherrington, David C ^a  

^a UNIVERSITY OF STRATHCLYDE   (United Kingdom)

Author keywords

Alkali metals; Amides; Inverse crown compounds; Metalation; Metallocenes

Indexed keywords

AMIDE; BIS(BENZENE) CHROMIUM; CHROMIUM DERIVATIVE; MAGNESIUM ION; POTASSIUM ION; UNCLASSIFIED DRUG;

ARTICLE; CHEMICAL REACTION; CHEMICAL STRUCTURE; LITHIATION; MASS SPECTROMETRY; PROTON TRANSPORT;

EID: 11244252903     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200460637     Document Type: Article

References (18)

1. C. Elschenbroich, J. Organomet. Chem. 1968, 14, 157.
2. For a historical account of the human and chemical story behind bis(benzene)chromium see: D. Seyferth, Organometallics 2002, 21, 1520; D. Seyferth, Organomeiallics 2002, 21, 2800.
3. For a historical account of the human and chemical story behind bis(benzene)chromium see: D. Seyferth, Organometallics 2002, 21, 1520; D. Seyferth, Organomeiallics 2002, 21, 2800.
4. E. O. Fischer, W. Hafner, Z. Naturforsch. B 1955, 10, 665.
5. For recent examples of the use of lithio bis(benzene)chromium reagents see: K. C. Hultzch, J. M. Nelson, A. J. Lough, I. Manners, Organometalllcs 1995, 14, 5496; C. Elschenbroich, E. Schmidt, B. Metz, K. Harms, Organometallics 1995, 14, 4043; D. Braga, L. Maini, F. Grepioni, C. Elschenbroich, F. Paganelli, O. Schiemann, Organometallics 2001, 20, 1875; H. Braunschweig, M. Homberger, C. Hu, X. Zheng, E. Gullo, G. Clentsmith, M. Lutz, Organometallics 2004, 23, 1968.
6. For recent examples of the use of lithio bis(benzene)chromium reagents see: K. C. Hultzch, J. M. Nelson, A. J. Lough, I. Manners, Organometalllcs 1995, 14, 5496; C. Elschenbroich, E. Schmidt, B. Metz, K. Harms, Organometallics 1995, 14, 4043; D. Braga, L. Maini, F. Grepioni, C. Elschenbroich, F. Paganelli, O. Schiemann, Organometallics 2001, 20, 1875; H. Braunschweig, M. Homberger, C. Hu, X. Zheng, E. Gullo, G. Clentsmith, M. Lutz, Organometallics 2004, 23, 1968.
7. For recent examples of the use of lithio bis(benzene)chromium reagents see: K. C. Hultzch, J. M. Nelson, A. J. Lough, I. Manners, Organometalllcs 1995, 14, 5496; C. Elschenbroich, E. Schmidt, B. Metz, K. Harms, Organometallics 1995, 14, 4043; D. Braga, L. Maini, F. Grepioni, C. Elschenbroich, F. Paganelli, O. Schiemann, Organometallics 2001, 20, 1875; H. Braunschweig, M. Homberger, C. Hu, X. Zheng, E. Gullo, G. Clentsmith, M. Lutz, Organometallics 2004, 23, 1968.
8. For recent examples of the use of lithio bis(benzene)chromium reagents see: K. C. Hultzch, J. M. Nelson, A. J. Lough, I. Manners, Organometalllcs 1995, 14, 5496; C. Elschenbroich, E. Schmidt, B. Metz, K. Harms, Organometallics 1995, 14, 4043; D. Braga, L. Maini, F. Grepioni, C. Elschenbroich, F. Paganelli, O. Schiemann, Organometallics 2001, 20, 1875; H. Braunschweig, M. Homberger, C. Hu, X. Zheng, E. Gullo, G. Clentsmith, M. Lutz, Organometallics 2004, 23, 1968.
9. I. R. Butler, W. R. Cullen, J. Ni, S. J. Rettig, Organometallics 1985, 4, 2196.
10. W. Clegg, K. W. Henderson, A. R. Kennedy, R. E. Mulvey, C. T. O'Hara, R. B. Rowlings, D. M. Tooke, Angew. Chem. 2001, 113, 4020; Angew. Chem. Int. Ed. 2001, 40, 3902.
11. W. Clegg, K. W. Henderson, A. R. Kennedy, R. E. Mulvey, C. T. O'Hara, R. B. Rowlings, D. M. Tooke, Angew. Chem. 2001, 113, 4020; Angew. Chem. Int. Ed. 2001, 40, 3902.
12. Examples of structurally authenticated directly metalated bis-(benzene)chromium derivatives are extremely rare. For an organotin structure see C. Elschenbroich, E. Schmidt, B. Metz, W. Massa, S. Wocadlo, O. Burghaus, Z. Anorg. Allg. Chem. 1999, 625, 875; for an organogermanium structure see C. Elschenbroich, E. Schmidt, R. Gondrum, B. Metz, O. Burghaus, W. Massa, S. Wocadlo, Organometallics 1997, 16, 4589.
13. Examples of structurally authenticated directly metalated bis-(benzene)chromium derivatives are extremely rare. For an organotin structure see C. Elschenbroich, E. Schmidt, B. Metz, W. Massa, S. Wocadlo, O. Burghaus, Z. Anorg. Allg. Chem. 1999, 625, 875; for an organogermanium structure see C. Elschenbroich, E. Schmidt, R. Gondrum, B. Metz, O. Burghaus, W. Massa, S. Wocadlo, Organometallics 1997, 16, 4589.
14. -3. CCD-238576, 238577 and 238578 contain the supplementary crystallographic data for this paper. These data can be obtained free of charge via www.ccdc.cam.ac.uk/conts/retrieving.html (or from the Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge CB21EZ, UK; fax: (+44)1223-336-033; or deposit@ ccdc.cam.ac.uk).
15. G. W. Honeyman, A. R. Kennedy, R. E. Mulvey, D. C. Sherrington, Organometallics 2004, 23, 1197.
16. -3.
17. -3.
18. R. E. Mulvey, Chem. Commun. 2001, 1049.