Prof. Dr. Reinhold Tacke


    The inside cover picture shows how by replacing the Si −CH2−CH2−Si group of disila-okoumal by a Si−CH2−Si or Si−O−Si unit, the volatility could significantly be improved to take full advantage of the C/Si exchange. The best 2R,4R-configured lower homologue (turquoise) overlaid on okoumal (green) is shown in front of an okoumé tree (photo courtesy of Roman Kaiser, Givaudan). For details see the communication by R. Tacke et al. on p. 315 ff.

    R. Tacke, J.B. Nätscher, N. Laskowski, P. Kraft, Lower homologs of okoumal and disila-okoumal: syntheses and olfactory  characterization of novel ambergris odorants, ChemBioChem 11, 315-319 (2010). Lesen Sie mehr ...


    C/Si-Analogous Woody-Ambery Odorants


    1a: Powerful sweet, woody-ambery odor, with camphoraceous-aromatic aspects
    accompanied by fruity nuances in the direction of apricots
    1d: Camphoraceous-earthy odor, with green-fruity facets and an acidic, sweaty,
    butyric but no woody-ambery undertone


    M. W. Büttner, S. Metz, P. Kraft, R. Tacke, Organometallics 2007, 26, 3925-3929. more ...



    Prof. Dr. Reinhold Tacke
    Institut für Anorganische Chemie
    Am Hubland
    97074 Würzburg

    Tel.: +49 931 31-85250
    Fax: +49 931 31-84609

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    Hubland Süd, Geb. C4