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Related Experiment Videos

Structural characterization of imazalil/beta-cyclodextrin inclusion complex.

Roberto Consonni1, Teresa Recca, Maria Antonietta Dettori

  • 1Istituto per lo Studio delle Macromolecole, Lab NMR, CNR, Via Bassini 15, 20133 Milano, Italy. roberto.consonni@ismac.cnr.it

Journal of Agricultural and Food Chemistry
|March 20, 2004
PubMed
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Researchers formed an inclusion complex of imazalil fungicide and beta-cyclodextrin. Nuclear Magnetic Resonance (NMR) and computational methods revealed the complex

Area of Science:

  • * Pharmaceutical Chemistry
  • * Supramolecular Chemistry
  • * Analytical Chemistry

Background:

  • * Imazalil is a widely used fungicide.
  • * Beta-cyclodextrin (β-CD) is a cyclic oligosaccharide known for forming inclusion complexes.
  • * Understanding the interaction between fungicides and cyclodextrins is crucial for drug delivery and formulation.

Purpose of the Study:

  • * To synthesize and characterize an equimolar inclusion complex of imazalil and beta-cyclodextrin.
  • * To investigate the structural and interactional properties of the complex in aqueous solution.
  • * To develop an analytical protocol for studying such inclusion complexes.

Main Methods:

  • * Synthesis of the inclusion complex using an aqueous standard solution procedure.

Related Experiment Videos

  • * Characterization using Nuclear Magnetic Resonance (NMR) spectroscopy ((1)H and (13)C).
  • * Computational methods were employed to analyze NMR data and determine the complex structure.

    • Main Results:

    • * An equimolar inclusion complex of imazalil and beta-cyclodextrin was successfully obtained.
    • * NMR techniques provided insights into the interactions within the complex in aqueous solution.
    • * Intramolecular NMR distance constraints were identified and utilized for 3D structure determination.

    Conclusions:

    • * A robust analytical protocol combining NMR and computational methods was established for inclusion complex analysis.
    • * The study determined the three-dimensional structure of the imazalil-beta-cyclodextrin inclusion complex.
    • * This work provides a foundation for understanding fungicide-cyclodextrin interactions in solution.