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Trichoverroid stereoisomers

B B Jarvis1, S Wang, H L Ammon

  • 1Department of Chemistry and Biochemistry, University of Maryland, College Park 20742, USA.

Journal of Natural Products
|March 1, 1996
PubMed
Summary
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Researchers identified novel trichoverroids from Myrothecium verrucaria, characterized by R-configurations at C-6

Area of Science:

  • Mycology and Natural Product Chemistry
  • Biosynthesis of Trichothecenes

Background:

  • Trichoverroids are biosynthetic intermediates between simple and macrocyclic trichothecenes.
  • Previously characterized trichoverroids possess S-configuration at C-6' and are epimeric at C-7'.

Purpose of the Study:

  • To characterize trichoverroids produced by Myrothecium verrucaria (ATCC 20540).
  • To investigate novel trichoverroid structures with R-configurations at C-6'.

Main Methods:

  • Isolation and structural elucidation of trichoverroids from Myrothecium verrucaria.
  • Spectroscopic analysis to determine stereochemistry and structural modifications.

Main Results:

  • Myrothecium verrucaria (ATCC 20540) produces trichoverrols and trichoverrins with R-configurations at C-6' and epimeric at C-7'.

Related Experiment Videos

  • Several novel C6'R-series trichoverroids were identified, including E,Z-isomers, 9 beta,10 beta-epoxides, and hydroxylated derivatives.

    • Conclusions:

    • Discovery of a new series of trichoverroids (C6'R) from Myrothecium verrucaria.
    • These findings expand the known structural diversity of trichoverroids and provide insights into their biosynthesis.