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Related Experiment Videos

Chemical transformations on botryane skeleton. Effect on the cytotoxic activity.

José L Reino1, Rosa Durán-Patrón, Inmaculada Segura

  • 1Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Apartado 40, 11510 Puerto Real, Cádiz, Spain.

Journal of Natural Products
|March 29, 2003
PubMed
Summary

Chemical transformations of Botrytis cinerea toxins yielded 18 botryane compounds. Their cytotoxicity is linked to a 1,5-dialdehyde group, with notable regioselectivity observed at the C-10 carbon.

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Area of Science:

  • Natural Product Chemistry
  • Organic Synthesis
  • Chemical Biology

Background:

  • Botrytis cinerea is a fungus known to produce various toxins.
  • Botryane skeletons are a class of natural products with potential biological activities.
  • Understanding the chemical reactivity and biological properties of these compounds is crucial.

Purpose of the Study:

  • To synthesize novel botryane derivatives through chemical transformations.
  • To investigate the regioselectivity of reactions involving the botryane skeleton, particularly at the C-10 carbon.
  • To evaluate the in vitro cytotoxicity of botryane derivatives against a panel of human cell lines.

Main Methods:

  • Chemical transformations of fungal toxins to generate botryane compounds.

Related Experiment Videos

  • Regioselectivity studies using oxidizing and reducing agents on the botryane skeleton.
  • In vitro cytotoxicity assays using Hs578T, MDA-MB-231, HT-1080, U87-MG, IMR-90, and HUVEC cell lines.

    • Main Results:

    • Eighteen compounds with a botryane skeleton were successfully synthesized.
    • The C-10 carbon of the botryane skeleton demonstrated high regioselectivity towards oxidation and reduction.
    • Cytotoxicity was observed for 27 botryane derivatives, with botrydial and its analogs showing significant activity.

    Conclusions:

    • The study confirms a relationship between the 1,5-dialdehyde functionality and the cytotoxicity of botrydial derivatives.
    • The observed regioselectivity at C-10 offers insights into the chemical behavior of the botryane skeleton.
    • These findings contribute to the understanding of fungal metabolites and their potential therapeutic applications.