A homobimetallic vanadium d2-d2 complex (Cp2V)2(3η: 4η-Me3SiC≡C-C=C-C≡CSiMe3): Structure and magnetism

Chemical Communications

Volumn , Issue 12, 1999, Pages 1099-1100

  Choukroun, Robert ^a   Lorber, Christian ^a   Donnadieu, Bruno ^a   Henner, Bernard ^b   Frantz, Richard ^b   Guerin, Christian ^b  

^a LCC LABORATOIRE DE CHIMIE DE COORDINATION   (France)

^b CNRS   (France)

Author keywords

[No Author keywords available]

Indexed keywords

METAL COMPLEX; VANADIUM DERIVATIVE;

ARTICLE; CHEMICAL STRUCTURE; COVALENT BOND; MAGNETIC FIELD; X RAY CRYSTALLOGRAPHY;

EID: 0033591763     PISSN: 13597345     EISSN: None     Source Type: Journal    
DOI: 10.1039/a902370d     Document Type: Article

References (25)

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8. S. L. Buchwald and R. D. Broene, Comprehensive Organometallic Chemistry II, ed. E. W. Abel, F. G. Stone and G. Wilkinson, Pergamon Press, Fort Collins, vol. 12, ch. 7.4; J. A. Labinger, Comprehensive Organic Chemistry, ed. B. M. Trost and I. Fleming, Pergamon Press, New York, 1991, vol. 8, p. 667; see, for example: N. Suzuki, D. Y. Kondakov and T. Takahashi, J. Am. Chem. Soc., 1994, 116, 3431; B. P. Warner, M. Davis and S. L. Buchwald, J. Am. Chem. Soc., 1994, 116, 5471; M. R. Kesti and R. M. Waymouth, Organometallics, 1992, 11, 1095; C. Lebefer, W. Baumann, A. Tillack, R. Kempe, H. Gorls and U. Rosenthal, Organometallics, 1996, 15, 3486; H. Lang, W. Frosch, I. Y. Wu, S. Blau and B. Nuber, Inorg. Chem., 1996, 35, 6266; V. Varga, J. Hiller, M. Polasek, U. Thewalt and K. Mach, J. Organomet. Chem., 1996, 515, 57.
9. S. L. Buchwald and R. D. Broene, Comprehensive Organometallic Chemistry II, ed. E. W. Abel, F. G. Stone and G. Wilkinson, Pergamon Press, Fort Collins, vol. 12, ch. 7.4; J. A. Labinger, Comprehensive Organic Chemistry, ed. B. M. Trost and I. Fleming, Pergamon Press, New York, 1991, vol. 8, p. 667; see, for example: N. Suzuki, D. Y. Kondakov and T. Takahashi, J. Am. Chem. Soc., 1994, 116, 3431; B. P. Warner, M. Davis and S. L. Buchwald, J. Am. Chem. Soc., 1994, 116, 5471; M. R. Kesti and R. M. Waymouth, Organometallics, 1992, 11, 1095; C. Lebefer, W. Baumann, A. Tillack, R. Kempe, H. Gorls and U. Rosenthal, Organometallics, 1996, 15, 3486; H. Lang, W. Frosch, I. Y. Wu, S. Blau and B. Nuber, Inorg. Chem., 1996, 35, 6266; V. Varga, J. Hiller, M. Polasek, U. Thewalt and K. Mach, J. Organomet. Chem., 1996, 515, 57.
10. S. L. Buchwald and R. D. Broene, Comprehensive Organometallic Chemistry II, ed. E. W. Abel, F. G. Stone and G. Wilkinson, Pergamon Press, Fort Collins, vol. 12, ch. 7.4; J. A. Labinger, Comprehensive Organic Chemistry, ed. B. M. Trost and I. Fleming, Pergamon Press, New York, 1991, vol. 8, p. 667; see, for example: N. Suzuki, D. Y. Kondakov and T. Takahashi, J. Am. Chem. Soc., 1994, 116, 3431; B. P. Warner, M. Davis and S. L. Buchwald, J. Am. Chem. Soc., 1994, 116, 5471; M. R. Kesti and R. M. Waymouth, Organometallics, 1992, 11, 1095; C. Lebefer, W. Baumann, A. Tillack, R. Kempe, H. Gorls and U. Rosenthal, Organometallics, 1996, 15, 3486; H. Lang, W. Frosch, I. Y. Wu, S. Blau and B. Nuber, Inorg. Chem., 1996, 35, 6266; V. Varga, J. Hiller, M. Polasek, U. Thewalt and K. Mach, J. Organomet. Chem., 1996, 515, 57.
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12. G. Fachinetti, C. Floriani, A. Chiesi-Villa and C. Guastini, Inorg. Chem., 1979, 18, 2282; J. L. Petersen and L. Griffith, Inorg. Chem., 1980, 19, 1852.
13. C. Danjoy, J. Zhao, B. Donnadieu, J.-P. Legros, L. Valade, R. Choukroun, A. Zwick and P. Cassoux, Chem. Eur. J., 1998, 4, 1100; R. Choukroun and P. Cassoux, Acc. Chem. Res., 1999, in press.
14. C. Danjoy, J. Zhao, B. Donnadieu, J.-P. Legros, L. Valade, R. Choukroun, A. Zwick and P. Cassoux, Chem. Eur. J., 1998, 4, 1100; R. Choukroun and P. Cassoux, Acc. Chem. Res., 1999, in press.
15. R. Choukroun, Y. Miquel, B. Donnadieu, A. Igau, C. Blandy and J.-P. Majoral, Organometallics, 1999, 18, 1795.
16. R. Choukroun, B. Donnadieu, I. Malfant, S. Haubrich, R. Frantz, C. Guerin and B. Henner, Chem. Commun., 1997, 2315.
17. The central C≡C ethynyl bond of 2, which is more electron-rich than the other C≡C ethynyl bonds may favor the reaction at the central core of the ligand; G. N. Patel, J. Polym. Sci. Polym. Phys. Ed., 1979, 17, 1591; Y. Rubin, S. S. Lin, C. B. Knobler, J. Anthony, A. M. Boldi and F. Diederich, J. Am. Chem. Soc., 1991, 113, 6943; F. Diederich, Y. Rubin, O. L. Chapman and N. S. Goroff, Helv. Chim. Acta, 1994, 77, 1441 ; H. D. Kalinowski, S. Berger and S. Braun, Carbon-13 NMR Spectroscopy, J. Wiley, New York, 1988; C. Guerin and B. Henner, unpublished results.
18. The central C≡C ethynyl bond of 2, which is more electron-rich than the other C≡C ethynyl bonds may favor the reaction at the central core of the ligand; G. N. Patel, J. Polym. Sci. Polym. Phys. Ed., 1979, 17, 1591; Y. Rubin, S. S. Lin, C. B. Knobler, J. Anthony, A. M. Boldi and F. Diederich, J. Am. Chem. Soc., 1991, 113, 6943; F. Diederich, Y. Rubin, O. L. Chapman and N. S. Goroff, Helv. Chim. Acta, 1994, 77, 1441 ; H. D. Kalinowski, S. Berger and S. Braun, Carbon-13 NMR Spectroscopy, J. Wiley, New York, 1988; C. Guerin and B. Henner, unpublished results.
19. The central C≡C ethynyl bond of 2, which is more electron-rich than the other C≡C ethynyl bonds may favor the reaction at the central core of the ligand; G. N. Patel, J. Polym. Sci. Polym. Phys. Ed., 1979, 17, 1591; Y. Rubin, S. S. Lin, C. B. Knobler, J. Anthony, A. M. Boldi and F. Diederich, J. Am. Chem. Soc., 1991, 113, 6943; F. Diederich, Y. Rubin, O. L. Chapman and N. S. Goroff, Helv. Chim. Acta, 1994, 77, 1441 ; H. D. Kalinowski, S. Berger and S. Braun, Carbon-13 NMR Spectroscopy, J. Wiley, New York, 1988; C. Guerin and B. Henner, unpublished results.
20. The central C≡C ethynyl bond of 2, which is more electron-rich than the other C≡C ethynyl bonds may favor the reaction at the central core of the ligand; G. N. Patel, J. Polym. Sci. Polym. Phys. Ed., 1979, 17, 1591; Y. Rubin, S. S. Lin, C. B. Knobler, J. Anthony, A. M. Boldi and F. Diederich, J. Am. Chem. Soc., 1991, 113, 6943; F. Diederich, Y. Rubin, O. L. Chapman and N. S. Goroff, Helv. Chim. Acta, 1994, 77, 1441 ; H. D. Kalinowski, S. Berger and S. Braun, Carbon-13 NMR Spectroscopy, J. Wiley, New York, 1988; C. Guerin and B. Henner, unpublished results.
21. The central C≡C ethynyl bond of 2, which is more electron-rich than the other C≡C ethynyl bonds may favor the reaction at the central core of the ligand; G. N. Patel, J. Polym. Sci. Polym. Phys. Ed., 1979, 17, 1591; Y. Rubin, S. S. Lin, C. B. Knobler, J. Anthony, A. M. Boldi and F. Diederich, J. Am. Chem. Soc., 1991, 113, 6943; F. Diederich, Y. Rubin, O. L. Chapman and N. S. Goroff, Helv. Chim. Acta, 1994, 77, 1441 ; H. D. Kalinowski, S. Berger and S. Braun, Carbon-13 NMR Spectroscopy, J. Wiley, New York, 1988; C. Guerin and B. Henner, unpublished results.
22. The observed magnetic behaviour could equally well arise from a non-interacting distorted monomeric vanadium(II) centre; B. N. Figgis, J. Lewis and F. E. Mabbs, J. Chem. Soc., 1960, 2480; B. N. Figgis, J. Lewis, F. E. Mabbs and G. A. Webb, J. Chem. Soc. A, 1966, 1411; D. J. Machin and F. E. Mabbs, Magnetism and Transition Metal Chemistry, Chapman and Hall, London, 1973, ch. 4 and 5.
23. The observed magnetic behaviour could equally well arise from a non-interacting distorted monomeric vanadium(II) centre; B. N. Figgis, J. Lewis and F. E. Mabbs, J. Chem. Soc., 1960, 2480; B. N. Figgis, J. Lewis, F. E. Mabbs and G. A. Webb, J. Chem. Soc. A, 1966, 1411; D. J. Machin and F. E. Mabbs, Magnetism and Transition Metal Chemistry, Chapman and Hall, London, 1973, ch. 4 and 5.
24. The observed magnetic behaviour could equally well arise from a non-interacting distorted monomeric vanadium(II) centre; B. N. Figgis, J. Lewis and F. E. Mabbs, J. Chem. Soc., 1960, 2480; B. N. Figgis, J. Lewis, F. E. Mabbs and G. A. Webb, J. Chem. Soc. A, 1966, 1411; D. J. Machin and F. E. Mabbs, Magnetism and Transition Metal Chemistry, Chapman and Hall, London, 1973, ch. 4 and 5.
25. O. Kahn, Molecular Magnetism, VCH, New York, 1993, p. 114.