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Synthesis and structural aspects of urea/dialkylamine inclusion compounds

  • Paul Jara
  • Nicolás Yutronic
  • Guillermo González
Article

Abstract

The synthesis and structural aspects of urea host-guest inclusion compounds containing linear secondary alkylamines (dibutyl-,dipentyl-, dihexyl-, dioctyl-) at 25°C are reported. Elemental analysis,13C CP-MAS NMR and1H-NMR Spectroscopy, and Powder X-ray Diffraction Analysis confirm the inclusion process. The basic host structure of the products is similar to that of urea-hydrocarbon systems.13C MAS-NMR experiments show chemical shift differences for the confined guest molecule with respect to the liquid phase. Stoichiometry and |cg| values for the inclusion compounds with dipentyl-and dihexylamine suggest a commensurate structure.

Key words

Inclusion compounds urea clathrates dialkylamine inclusion 

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References

  1. 1.
    K. Takemoto, N. Sonoda: Inclusion Compounds Vol. 2, Eds. J.L. Atwood, J.E.D. Davies, D.D. MacNicol, pp. 47–67,Academic Press, New York 1984.Google Scholar
  2. 2.
    A.E. Smith:Acta Crystallogr.,5, 224 (1952).Google Scholar
  3. 3.
    R. Forst, H. Jagodzinski, H. Boysen, and F. Frey:Acta Crystallogr. B46, 70 (1990).Google Scholar
  4. 4.
    K.D.M. Harris, and J.M. Thomas:J. Chem. Soc. Faraday Trans. 86, 2985 (1990).Google Scholar
  5. 5.
    R. Bishop, and I. Dance:Top. Curr. Chem. 149, 137 (1988).Google Scholar
  6. 6.
    K.D.M. Harris, I. Gameson,and J.M. Thomas:J. Chem. Soc. Faraday Trans. 86, 3135 (1990)Google Scholar
  7. 7.
    K.D.M. Harris, S.P. Smart, and M.D. Hollingsworth:J. Chem. Soc. Faraday Trans. 87, 3423 (1991).Google Scholar
  8. 8.
    M.D. Hollingsworth, B.D. Santarsiero, and K.D.M. Harris:Angew. Chem. Int. Ed. Engl. 33, 649 (1994).Google Scholar
  9. 9.
    P. Jara, N. Yutronic, C. Nuñez, and G. González:Bol. Soc. Chil. Quím. 39, 347 (1994).Google Scholar
  10. 10.
    V. Gutmann:The Donor-Acceptor Approach to Molecular Interactions, Plenum Press, New York (1978).Google Scholar
  11. 11.
    G. González, B. Bogdanov, N. Yutronic,and J. Manzur:Spectrochim. Acta 38A, 591 (1982); G. González, and N. Yutronic:Spectrochim. Acta 39A, 269 (1983); G. González, N. Yutronic, and M. Jara:Spectrochim. Acta 46A, 1729 (1990); N. Yutronic, G. González, and P. Jara:Bol. Soc. Chil. Quím:37, 39 (1992).Google Scholar
  12. 12.
    P. Vaughan, and J. Donohue:Acta Crystallogr. 5, 530 (1952).Google Scholar
  13. 13.
    R. W. Schiessler, and D. Flitter:J. Am. Chem. Soc. 74, 1720 (1952)Google Scholar
  14. 14.
    M. D. Hollingsworth, and A. R. Palmer:J. Am. Chem. Soc. 115, 5881 (1993); A.E.A. Aliev, and K.D.M. Harris:J. Am. Chem. Soc. 115, 6369 (1993).Google Scholar
  15. 15.
    E. Gelerinter, Z. Iuz, R. Pouko, and H. Zimmermann:J. Phys. Chem. 94, 5391 (1990).Google Scholar
  16. 16.
    K. Muller:J. Phys. Chem. 96, 5733 (1992).Google Scholar
  17. 17.
    R. Clement, M. Gourji, and L. Guibé:Molec. 21, 247 (1971).Google Scholar

Copyright information

© Kluwer Academic Publishers 1995

Authors and Affiliations

  • Paul Jara
    • 1
  • Nicolás Yutronic
    • 1
  • Guillermo González
    • 1
  1. 1.Department of Chemistry, Faculty of SciencesUniversidad de ChileSantiagoChile

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