Mechanistic studies of the facile four-electron reduction of azobenzene at a single tungsten metal center

Journal of the American Chemical Society

Volumn 118, Issue 11, 1996, Pages 2762-2763

  Lockwood, Mark A ^a   Fanwick, Phillip E ^a   Eisenstein, Odile ^b   Rothwell, Ian P ^a  

^a PURDUE UNIVERSITY   (United States)

^b UNIVERSITÉ PARIS SACLAY   (France)

Author keywords

[No Author keywords available]

Indexed keywords

AZOBENZENE DERIVATIVE;

ARTICLE; DRUG STRUCTURE; NUCLEAR MAGNETIC RESONANCE; REACTION ANALYSIS; REDUCTION;

EID: 0029993525     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja954010p     Document Type: Article

References (33)

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11. The intra- and intermolecular cleavage of 1,2-diphenylhydrazine to generate phenylimido ligands has been reported; see: (a) Arney, D. S. J.; Burns, C. J. J. Am. Chem. Soc. 1995, 117, 9448. (b) Zambrano, C. H.; Fanwick, P. E.; Rothwell, I. P. Organometallics 1994, 13, 1174.
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13. Organic azides are a common substrate for the synthesis of metal imido complexes; see: (a) Hillhouse, G. L.; Haymore, B. L. J. Am. Chem. Soc. 1982, 104, 1537. (b) Proulx, G.; Bergman, R. G. J Am. Chem. Soc. 1995, 117, 6382. (c) Fickes, M. G.; Davis, W. M.; Cummins, C. C. J. Am. Chem. Soc. 1995, 117, 6384.
14. Organic azides are a common substrate for the synthesis of metal imido complexes; see: (a) Hillhouse, G. L.; Haymore, B. L. J. Am. Chem. Soc. 1982, 104, 1537. (b) Proulx, G.; Bergman, R. G. J Am. Chem. Soc. 1995, 117, 6382. (c) Fickes, M. G.; Davis, W. M.; Cummins, C. C. J. Am. Chem. Soc. 1995, 117, 6384.
15. Organic azides are a common substrate for the synthesis of metal imido complexes; see: (a) Hillhouse, G. L.; Haymore, B. L. J. Am. Chem. Soc. 1982, 104, 1537. (b) Proulx, G.; Bergman, R. G. J Am. Chem. Soc. 1995, 117, 6382. (c) Fickes, M. G.; Davis, W. M.; Cummins, C. C. J. Am. Chem. Soc. 1995, 117, 6384.
16. Many elegant strategies for the bimetallic rupture of multiple bonds to oxygen and nitrogen have been developed; for recent examples, see: (a) Bryan, J. C.; Mayer, J. M. J. Am. Chem. Soc. 1990, 112, 2298. (b) Laplaza, C. E.; Cummins, C C. Science 1995, 268, 861. (c) Laplaza, C. E.; Odom, A. L.; Davis, W. M.; Cummins, C. C.; Protasiewicz, J. D. J. Am. Chem. Soc. 1995, 117, 4999 and references therein (d) Legzdins, P.; Young, M. A.; Batchelor, R. J.; Einstein, F. W. B. J. Am. Chem. Soc. 1995, 117, 8798. (e) Lee, S. Y.; Bergman, R. G. J. Am. Chem. Soc. 1995, 117, 5877.
17. Many elegant strategies for the bimetallic rupture of multiple bonds to oxygen and nitrogen have been developed; for recent examples, see: (a) Bryan, J. C.; Mayer, J. M. J. Am. Chem. Soc. 1990, 112, 2298. (b) Laplaza, C. E.; Cummins, C C. Science 1995, 268, 861. (c) Laplaza, C. E.; Odom, A. L.; Davis, W. M.; Cummins, C. C.; Protasiewicz, J. D. J. Am. Chem. Soc. 1995, 117, 4999 and references therein (d) Legzdins, P.; Young, M. A.; Batchelor, R. J.; Einstein, F. W. B. J. Am. Chem. Soc. 1995, 117, 8798. (e) Lee, S. Y.; Bergman, R. G. J. Am. Chem. Soc. 1995, 117, 5877.
18. Many elegant strategies for the bimetallic rupture of multiple bonds to oxygen and nitrogen have been developed; for recent examples, see: (a) Bryan, J. C.; Mayer, J. M. J. Am. Chem. Soc. 1990, 112, 2298. (b) Laplaza, C. E.; Cummins, C C. Science 1995, 268, 861. (c) Laplaza, C. E.; Odom, A. L.; Davis, W. M.; Cummins, C. C.; Protasiewicz, J. D. J. Am. Chem. Soc. 1995, 117, 4999 and references therein (d) Legzdins, P.; Young, M. A.; Batchelor, R. J.; Einstein, F. W. B. J. Am. Chem. Soc. 1995, 117, 8798. (e) Lee, S. Y.; Bergman, R. G. J. Am. Chem. Soc. 1995, 117, 5877.
19. Many elegant strategies for the bimetallic rupture of multiple bonds to oxygen and nitrogen have been developed; for recent examples, see: (a) Bryan, J. C.; Mayer, J. M. J. Am. Chem. Soc. 1990, 112, 2298. (b) Laplaza, C. E.; Cummins, C C. Science 1995, 268, 861. (c) Laplaza, C. E.; Odom, A. L.; Davis, W. M.; Cummins, C. C.; Protasiewicz, J. D. J. Am. Chem. Soc. 1995, 117, 4999 and references therein (d) Legzdins, P.; Young, M. A.; Batchelor, R. J.; Einstein, F. W. B. J. Am. Chem. Soc. 1995, 117, 8798. (e) Lee, S. Y.; Bergman, R. G. J. Am. Chem. Soc. 1995, 117, 5877.
20. Many elegant strategies for the bimetallic rupture of multiple bonds to oxygen and nitrogen have been developed; for recent examples, see: (a) Bryan, J. C.; Mayer, J. M. J. Am. Chem. Soc. 1990, 112, 2298. (b) Laplaza, C. E.; Cummins, C C. Science 1995, 268, 861. (c) Laplaza, C. E.; Odom, A. L.; Davis, W. M.; Cummins, C. C.; Protasiewicz, J. D. J. Am. Chem. Soc. 1995, 117, 4999 and references therein (d) Legzdins, P.; Young, M. A.; Batchelor, R. J.; Einstein, F. W. B. J. Am. Chem. Soc. 1995, 117, 8798. (e) Lee, S. Y.; Bergman, R. G. J. Am. Chem. Soc. 1995, 117, 5877.
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24. 6 shows only a complex pattern from δ 6.9 to 7 5 ppm. The observed and calculated FAB mass spectra of 2 are contained in the supporting information.
25. 2] function; see Table XXX of ref 1g.
26. 2 with 4.
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31. 2-diazo coordination to tungsten metal centers, see: Glassman, T. E.; Vale, M. G.; Schrock, R R. Inorg. Chem. 1992, 31, 1985 and references therein. Diazo ligands bridging two Group 6 metals have been characterized; for a recent review of diazo complexes, see: Sutton, D. Chem. Rev. 1993, 93, 995.
32. 2-diazo coordination to tungsten metal centers, see: Glassman, T. E.; Vale, M. G.; Schrock, R R. Inorg. Chem. 1992, 31, 1985 and references therein. Diazo ligands bridging two Group 6 metals have been characterized; for a recent review of diazo complexes, see: Sutton, D. Chem. Rev. 1993, 93, 995.
33. 2-diazo coordination to tungsten metal centers, see: Glassman, T. E.; Vale, M. G.; Schrock, R R. Inorg. Chem. 1992, 31, 1985 and references therein. Diazo ligands bridging two Group 6 metals have been characterized; for a recent review of diazo complexes, see: Sutton, D. Chem. Rev. 1993, 93, 995.