TUD Organische Chemie

Immel

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Abstract 19

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Molecular Modeling of Saccharides, Part XVI.

The Molecular Geometries of Cyclofructins

Stefan Immel, Guido E. Schmitt, and Frieder W. Lichtenthaler

Proceedings of the 9^th Internat. Symp. on Cyclodextrins (Ed.: J. J. Torres-Labandeira), Kluwer Acad. Publ., Dordrecht, NL, 1998, 57-62.

Cyclofructins composed of six (α-CF, 1) to ten (e-CF, 5) β(1→2)-linked fructofuranose units (i.e. cyclo[D-Fruf β(1→2)]_n with n = 6 - 10) were subjected to a detailed molecular modeling study. 1, 2, and 3 are disk-type shaped molecules without a cavity, whereas the nonamer (4) and decamer (5) adopt torus-like conformations that allow the formation of inclusion complexes similar to those of cyclodextrins.

Additional Graphics: Cyclofructins