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New NMR Experiments Applicable to Structure and Conformation Analysis

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Chemistry and Significance of Condensed Tannins

Abstract

Recent advances in the field of NMR spectroscopy have been primarily responsible for the rapid progress achieved in the study of proanthocyanidins over the past decade. This chapter summarizes these advances by describing how techniques including n.O.e. difference spectroscopy, homonuclear J-resolved and chemical shift correlation methods, and 13C- and heteronuclear experiments have been applied to analyses of some example proanthocyanidins. These NMR experiments have provided information regarding molecular structure, configuration, and conformation that was previously inaccessible or extremely difficult to obtain.

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Authors and Affiliations

  1. Department of Chemistry, University of the Orange Free State, Bloemfontein, 9300, South Africa

    Daneel Ferreira & E. Vincent Brandt

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  1. Daneel Ferreira
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  2. E. Vincent Brandt
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Editors and Affiliations

  1. United States Department of Agriculture, Pineville, Louisiana, USA

    Richard W. Hemingway

  2. Oregon State University, Corvallis, Oregon, USA

    Joseph J. Karchesy

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© 1989 Plenum Press, New York

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Ferreira, D., Brandt, E.V. (1989). New NMR Experiments Applicable to Structure and Conformation Analysis. In: Hemingway, R.W., Karchesy, J.J., Branham, S.J. (eds) Chemistry and Significance of Condensed Tannins. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-7511-1_10

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  • DOI: https://doi.org/10.1007/978-1-4684-7511-1_10

  • Publisher Name: Springer, Boston, MA

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