Bis(cyclopentadienyl)lanthanoid(III) alkoxides derived from chiral alcohols with a nitrogen donor functionality: Solution NMR studies of paramagnetic complexes

Journal of Organometallic Chemistry

Volumn 556, Issue 1-2, 1998, Pages 229-238

  Steudel, Annette ^a   Siebel, Eric ^a   Fischer, R Dieter ^a   Paolucci, Gino ^b   Lucchini, Vittorio ^b  

^a UNIVERSITY OF HAMBURG   (Germany)

^b CA' FOSCARI UNIVERSITY OF VENICE   (Italy)

Author keywords

Alkoxide complex; Chiral ligand; NMR spectra

Indexed keywords

EID: 0001551962     PISSN: 0022328X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0022-328X(98)00378-7     Document Type: Article

References (26)

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3. (b) J. Stehr, R.D. Fischer, J. Organomet. Chem. 459 (1993) 79.
4. (c) W.-W. Ma, Z.-Z. Wu, R.-F. Cai, Z.-E. Huang, J. Sun, Polyhedron 16 (1997) 3723.
5. For two earlier CD (circular dichroism) studies of organolanthanoid complexes see Refs. 2(b) and 9.
6. See: (a) G.N. LaMar, W. DeW. Horrocks, Jr., R.H. Holm (Eds.) NMR of Paramagnetic Molecules, Academic Press, New York, 1971.
7. (b) R.D. Fischer, in: T.J. Marks, R.D. Fischer (Eds.), Organometallics of the f-Elements, D. Reidel, Dordrecht, 1979, p. 337, and further references cited therein.
8. (c) I. Bertini, C. Luchinat, NMR of Paramagnetic Molecules in Biological Systems, Benjamin-Cummings, Menlo Park, 1986.
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11. Use of racemic H-DMAB for the synthesis should in principle lead to a mixture of two NMR spectroscopically nonequivalent isomers.
12. 2} fragment is influenced here by two equivalent chirogenic centres.
13. 2Sm(III)-derivative, see: A. Steudel, J. Stehr, E. Siebel, R.D. Fischer, J. Organomet. Chem. 510 (1996) 197.
14. A. Steudel, Doctoral Dissertation, Universität Hamburg (Germany) 1997 (a) p. 19. (b) ibid. p. 32.
15. (a) p. 19.
16. (b) ibid. p. 32.
17. (c) ibid. p. 83.
18. See: M. Hesse, H. Meier, B. Zeeh, Spektroskopische Methoden in der Organischen Chemie, Thieme, Stuttgart, 1987, p. 101.
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20. See: R.D. Shannon, Acta Crystallogr. A32 (1976) 751.
21. M. Sievers, R.D. Fischer, unpublished results.
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23. W.A. Herrmann, F.T. Edelmann (Eds.), Synthetic Methods of Organometallic and Inorganic Chemistry, vol. 6, Thieme, Stuttgart, 1997, p. 68.
24. Kaluszner A., Galun A.B. J. Org. Chem. 26:1961;3536.
25. Harris C.E., Fisher G.B., Beardsley D., Lee L., Goralski C.T., Nicholson L.W., Singaram B. J. Org. Chem. 59:1994;7746.
26. Full details of the crystal structure determination of 11 have been deposited at the Fachinformationszentrum Karlsruhe GmbH, D-76344 Eggenstein-Leopoldshafen, Germany, and can be obtained on quoting the depository number CSD-406283.