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Abstract <p>A method has been developed for isolating individual compounds from the mycelium of the entomopathogenic fungus <i>Akanthomyces muscarius</i> responsible for contact insecticidal activity against sap-sucking pests. The stereochemical structure of the main insecticidal metabolite of triterpenoid nature—(3β,5α,8α,22E)-5,8-epidioxy-ergosta-6,22-dien-3-ol—has been established using a combination of nuclear magnetic resonance (NMR) spectroscopy and X-ray diffraction (XRD) analysis.</p>

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Structure of a Triterpenoid with Contact Insecticidal Activity from the Entomopathogenic Fungus Akanthomyces muscarius

  • 期刊论文

  • 发表日期：

    2026年2月19日

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  • O. S. Yuzikhin,
  • G. V. Mitina,
  • D. G. Golovanov

摘要

Abstract

A method has been developed for isolating individual compounds from the mycelium of the entomopathogenic fungus Akanthomyces muscarius responsible for contact insecticidal activity against sap-sucking pests. The stereochemical structure of the main insecticidal metabolite of triterpenoid nature—(3β,5α,8α,22E)-5,8-epidioxy-ergosta-6,22-dien-3-ol—has been established using a combination of nuclear magnetic resonance (NMR) spectroscopy and X-ray diffraction (XRD) analysis.