Outer sphere anion participation can modify the mechanism for conformer interconversion in Pd pincer complexes

Dalton Transactions

Volumn , Issue 5, 2003, Pages 831-838

  Miecznikowski, John R ^a   Gründemann, Stephan ^a   Albrecht, Martin ^a   Mégret, Claire ^b   Clot, Eric ^b   Faller, Jack W ^a   Eisenstein, Odile ^b   Crabtree, Robert H ^a  

^a YALE UNIVERSITY   (United States)

^b UNIV MONTPELLIER   (France)

Author keywords

[No Author keywords available]

Indexed keywords

CONFORMATIONS; NUCLEAR MAGNETIC RESONANCE; PLANERS; SPECTROSCOPIC ANALYSIS;

COUNTERION DEPENDENCE; FLUXIONAL PROCESSES; LIGANDS; NUCLEOPHILIC COUNTERIONS;

NEGATIVE IONS;

EID: 84962415029     PISSN: 14779226     EISSN: 14779234     Source Type: Journal    
DOI: 10.1039/b210784h     Document Type: Article

References (38)

1. S. Gründemann, M. Albrecht, J. A. Loch, J. W. Faller and R. H. Crabtree, Organometallics, 2001, 20, 5485.
2. C. Bolm, J. P. Hildebrand, K. Muniz and N. Hermanns, Angew. Chem., Int. Ed., 2001, 40, 3285.
3. For examples of bis-carbenes: (a) W. A. Herrmann, V. P. W. Bohm, C. W. K. Gstottmayr, M. Grosche, C.-P. Reisinger and T. Weskamp, J. Organomet. Chem., 2001, 616, 617;
4. (b) R. E. Douthwaite, M. L. H. Green, P. J. Silcock and P. T. Gomes, J. Chem. Soc., Dalton Trans., 2002, 1386;
5. (c) A. M. Magill, D. S. McGuinness, K. J. Cavell, G. J. P. Britovsek, V. C. Gibson, A. J. P. White, D. J. Williams, A. H. White and B. W. Skelton, J. Organomet. Chem., 2001, 546, 617;
6. (d) D. S. McGuinness and K. J. Cavell, Organometallics, 2000, 19, 741;
7. (e) C. Zhang and M. L. Trudell, Tetrahedron Lett., 2000, 41, 595;
8. (f) N. J. Whitcombe, M. M. Hii and S. E. Gibson, Tetrahedron, 2001, 57, 7449; for examples of tris-chelates
9. (g) D. J. Nielsen, K. J. Cavell, B. W. Skelton and A. H. White, Inorg. Chem. Acta, 2002, 327, 116;
10. (h) A. A. D. Tulloch, A. A. Danopoulos, G. J. Tizzard, S. J. Coles, M. B. Hursthouse, R. S. Hay-Motherwell and W. B. Motherwell, Chem. Commun., 2001, 1270; for examples where atropisomer interconversion must be prevented;
11. (i) B. A. Markies, P. Wijkens, J. Boersma, H. Kooijman, N. Veldman, A. L. Spek and G. van Koten, Organometallics, 1994, 13, 3244.
12. M. J. McGlinchey, Can. J. Chem., 2001, 79, 1295.
13. For one example: M. T. Ashby, G. N. Govindan and A. K. Grafton, J. Am. Chem. Soc., 1994, 116, 4801.
14. E. W. Abel and K. G. Orrell, NMR of Fluxional Processes, in Encyclopaedia of Inorganic Chemistry, R. B. King, ed. John Wiley and Sons, New York, 1994, pp. 2581-2615 and refs. cited therein.
15. J. W. Faller, Stereochemical Nonrigidity of Organometallic Complexes, in Encyclopaedia of Inorganic Chemistry, R. B. King, ed. John Wiley and Sons, New York, 1994, pp. 3914-3933.
16. A. Kovacevic, S. Gründemann, J. R. Miccznikowski, E. Clot, O. Eisenstein and R. H. Crabtree, Chem. Commun., 2002, 2580.
17. S. Gründemann, A. Kovacevic, M. Albrecht, J. W. Faller and R. H. Crabtree, Chem. Commun., 2001, 2274.
18. S. Gründemann, A. Kovacevic, M. Albrecht, J. W. Faller and R. H. Crabtree, J. Am. Chem. Soc., 2002, 124, 10473.
19. A. Macchioni, C. Zuccaccia, E. Clot, K. Gruet and R. H. Crabtree, Organometallics, 2001, 20, 2367.
20. (a) M. Elian and R. Hoffmann, Inorg. Chem., 1975, 14, 1058;
21. (b) T. A. Albright, J. K. Burdett, M.-H. Whangbo, Orbital Interactions in Chemistry, Wiley, New York, NY, 1985;
22. (c) M. Ogasawara, S. A. Macgregor, W. E. Streib, K. Foltins, O. Eisenstein and K. G. Caulton, J. Am. Chem. Soc., 1996, 118, 10189.
23. L. A. Watson and O. Eisenstein, J. Chem. Ed., 2001, 79, 1269.
24. M. J. Frisch, G. W. Trucks, H. B. Schlegel, G. E. Scuseria, M. A. Robb, J. R. Cheeseman, V. G. Zakrzewski, J. A. Montgomery, R. E. Stratmann, J. C. Burant, S. Dapprich, J. M. Millam, A. D. Daniels, K. N. Kudin, M. C. Strain, O. Farkas, J. Tomasi, V. Barone, M. Cossi, R. Cammi, B. Mennucci, C. Pomelli, C. Adamo, S. Clifford, J. Ochterski, G. A. Petersson, P. Y. Ayala, Q. Cui, K. Morokuma, D. K. Malick, A. D. Rabuck, K. Raghavachari, J. B. Foresman, J. Cioslowski, J. V. Ortiz, B. B. Stefanov, G. Liu, A. Liashenko, P. Piskorz, P. I. Komaromi, G. Gomperts, R. L. Martin, D. J. Fox, T. Keith, M. A. Al-Laham, C. Y. Peng, A. Nanayakkara, C. Gonzalez, M. Challacombe, P. M. W. Gill, B. G. Johnson, W. Chen, M. W. Wong, J. L. Andres, M. Head-Gordon, E. S. Replogle, J. A. Pople, Gaussian 98 (Rev A7), Gaussian, Inc., Pittsburgh, PA, 1998.
25. (a) A. D. J. Becke, J. Chem. Phys., 1993, 98, 5648;
26. (b) J. P. Perdew and Y. Wang, Phys. Rev. B, 1992, 82, 284.
27. D. Andrae, U. Häussermann, M. Dolg, H. Stoll and H. Preuss, Theor. Chim. Acta, 1990, 77, 123.
28. A. W. Ehlers, M. Böhme, S. Dapprich, A. Gobbi, A. Höllwarth, V. Jonas, K. F. Köhler, R. Stegmann, A. Veldkamp and G. Frenkine, Chem. Phys. Lett., 1993, 208 111.
29. A. Bergner, M. Dole, W. Küchle, H. Stoll and H. Preuss, Mol. Phys., 1990, 30, 1431.
30. A. Höllwarth, M. Böhme, S. Dapprich, A. W. Ehlers, A. Gobbi, V. Jonas, K. F. Köhler, R. Stegmann, A. Veldkamp and G. Frenking, Chem. Phys. Lett., 1993, 208, 237.
31. P. C. Hariharan and J. A. Pople, Theor. Chim. Acta, 1973, 28, 213.
32. W. J. Hehre, R. Ditchfield and J. A. Pople, J. Chem. Phys., 1972, 56, 2257.
33. (a) S. Miertus, E. Scrocco and J. Tomasi, Chem. Phys., 1981, 55, 117;
34. (b) S. Miertus and J. Tomasi, Chem. Phys., 1982, 65, 239;
35. (c) M. Cossi, V. Barone, R. Cammi and J. Tomasi, Chem. Phys. Lett., 1996, 255, 327.
36. (a) R. H. Blessing, Acta Crystallogr., Sect. A, 1995, 51, 33;
37. (b) R. H. Blessing, J. Appl. Crystallogr., 1997, 30, 421.
38. A. Altomare, G. Cascarano, C. Giacovazzo and A. Guagliardi, J. Appl. Crystallogr., 1993, 26, 343.