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Digitale Medien

Stereochemistry and dynamic behavior of some synthetic “angular” profisetinidin tetraflavanoid derivatives (1986)

Young, Desmond A. ; Ferreira, Daneel ; Roux, David G.

Bognor Regis [u.a.] : Wiley-Blackwell

Journal of Polymer Science Part A: Polymer Chemistry 24 (1986), S. 835-849

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Details

ISSN: 0887-624X

Schlagwort(e): Chemistry ; Polymer and Materials Science

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: The structure and stereochemistry of four synthetic “angular” tetraflavanoid-condensed tannin derivatives are examined by high-resolution variable temperature 1H NMR. spectroscopy, and hence correlated with their dynamic behavior. Three “angular” oligomers exist as stable rotational isomers at ambient temperatures, thus contrasting with the mobility about their interflavanoid bonds of most natural profisetinidin “trimeric” and “tetrameric” homologs. A “linear” tetraflavanoid analog results from one of these regioselectively controlled condensations.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/pola.1986.080240503

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