Hydrogen Exchange between the Methyl and Hydride Ligands of Cp2W(H)CH3 Prior to Methane Elimination

Journal of the American Chemical Society

Volumn 107, Issue 3, 1985, Pages 727-729

  Bullock, R Morris ^a   Headford, Christine E L ^a   Kegley, Susan E ^a   Norton, Jack R ^a  

^a Veterinary Dentistry and Oral Surgery   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000083377     PISSN: 00027863     EISSN: 15205126     Source Type: Journal    
DOI: 10.1021/ja00289a048     Document Type: Article

References (13)

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2. Alkyl hydride complexes reported before 1979 are listed in ref lc. Other hydride complexes with monodentate alkyl ligands, in addition to those arising from hydrocarbon activation3 and olefin hydrogenation, 4 have been reported by: (a) Abis, L.; Sen, A.; Halpern, J. J. Am. Chem. Soc. 1978, 100, 2915. (b) Halpern, J. Acc. Chem. Res. 1982, 15, 332. (c) Abis, L.; Santi, R.; Halpern, J. J. Organomet. Chem. 1981, 2/5, 263. (d) McAlister, D.; Erwin, D. K.; Bercaw, J. E. J. Am. Chem. Soc. 1978, 100, 5966. (e) Yang, G. K.; Bergman, R. G. J. Am. Chem. Soc. 1983. 105, 6500. (f) Milstein, D. Acc. Chem. Res. 1984, 17, 221 and references therein. (g) Thorn, D. L. Organometallics 1982, 1, 197. (h) Thorn, D. L.; Tulip, T. H. Organometallics 1982, 1, 1580. (i) Michelin, R. A.; Faglia, S.; Uguagliati, P. Inorg. Chem. 1983, 22, 1831. (j) Arnold, D. P.; Bennett, M. A. Inorg. Chem. 1984, 23, 2110. (k) Sostero, S.; Traverso, O.; Ros, R.; Michelin, R. A. J. Organomet. Chem. 1983, 246, 325 and references therein. (l) Headford, C. E. L.; Roper, W. R. J. Organomet. Chem. 1980, 198, C7. (m) Kellenberger, B. Ph.D. Dissertation, ETH, Zurich, Switzerland, 1982. (n) Gell, K. I.; Posin, B.; Schwartz, J.; Williams, G. M. J. Am. Chem. Soc. 1982, 104, 1846.
3. Hoyano, J. K.; Graham, W. A. G. J. Am. Chem. Soc. 1982, 104, 3723. (b) Hoyano, J. K.; McMaster, A. D.; Graham, W. A. G. J. Am. Chem. Soc. 1983, 105, 7190. (c) Rest, A. J.; Whitwell, I.; Graham, W. A. G.; Hoyano, J. K.; McMaster, A. D. J. Chem. Soc., Chem. Commun. 1984, 624. (d) Janowicz, A. H.; Bergman, R. G. J. Am. Chem. Soc. 1983, 105, 3929. (e) Wax, M. J.; Stryker, J. M.; Buchanan, J. M.; Kovac, C. A.; Bergman, R. G. J. Am. Chem. Soc. 1984, 106, 1121. (f) Jones, W. D.; Feher, F. J. J. Am. Chem. Soc. 1984, 106, 1650 and references therein.
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5. 2d or external nucleophiles: Gell, K. I.; Schwartz, J. J. Am. Chem. Soc. 1981, 103, 2687.
6. Cooper, N. J.; Green, M. L. H.; Mahtab, R. J. Chem. Soc., Dalton Trans. 1979, 1557. (b) Berry, M.; Cooper, N. J.; Green, M. L. H.; Simpson, S. J. J. Chem. Soc., Dalton Trans. 1980, 29.
7. Grebenik, P.; Downs, A. J.; Green, M. L. H.; Perutz, R. N. J. Chem. Soc., Chem. Commun. 1979, 742.
8. Several examples of exo-D-transfer from boron onto η5-dienyls have been reported: (a) Whitesides, T. H.; Shelly, J. J. Organomet. Chem. 1975, 92, 215. (b) Bandura, B. M. R.; Birch, A. J. J. Organomet. Chem. 1984, 265, C6. (c) Reger, D. L.; Belmore, K. A.; Atwood, J. L.; Hunter, W. E. J. Am. Chem. Soc. 1983, 105, 5710.
9. Green, M. L. H.; McCleverty, J. A.; Pratt, L.; Wilkinson, G. J. Chem. Soc. 1961, 4854.
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11. Thomas, J. L. J. Am. Chem. Soc. 1975, 97, 5943.
12. Calvert, R. B.; Shapley, J. R.; Schultz, A. J.; Williams, J. M.; Suib, S. L.; Stucky, G. D. J. Am. Chem. Soc. 1978, 100, 6240. (b) Calvert, R. B.; Shapley, J. R. J. Am. Chem. Soc. 1978, 100, 7726. (c) Ittel, S. D.; Van-Catledge, F. A.; Jesson, J. P. J. Am. Chem. Soc. 1979, 101, 6905. (d) Howarth, O. W.; McAteer, C. H.; Moore, P.; Morris, G. E. J. Chem. Soc., Chem. Commun. 1981, 506. (e) Casey, C. P.; Fagan, P. J.; Miles, W. H. J. Cm. Chem. Soc. 1982, 104, 1134. (f) Brookhart, M.; Lamanna, W.; Pinhas, A. R. Organometallics 1983, 2, 638.
13. See footnote 13 of ref 3f for a list of leading references on this topic; see especially: Parshall, G. W. Acc. Chem. Res. 1975, 8, 113.