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Anthelmintic polyfunctional nitrogen-containing terpenoids from marine sponges.

K A Alvi1, L Tenenbaum, P Crews

  • 1Department of Chemistry, University of California, Santa Cruz 95064.

Journal of Natural Products
|January 1, 1991
PubMed
Summary

New nitrogen-containing terpenoids were discovered in marine sponges from Fiji and Thailand. Several of these compounds, including sesquiterpenes and diterpenes, demonstrated potent antiparasitic activity.

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Area of Science:

  • Marine Natural Products Chemistry
  • Organic Chemistry
  • Pharmacology

Background:

  • Marine sponges are a rich source of bioactive compounds.
  • Terpenoids, particularly sesquiterpenes and diterpenes, often exhibit significant biological activities.

Purpose of the Study:

  • To investigate the chemical constituents of marine sponges from Fiji (Axinyssa fenestratus) and Thailand (Acanthella cavernosa, Topsentia sp.).
  • To identify and characterize new nitrogen-containing terpenoids.
  • To evaluate the antiparasitic activity of isolated compounds.

Main Methods:

  • Extraction and isolation of terpenoid components from sponge tissues.
  • Structure elucidation using spectroscopic methods (e.g., NMR, MS).
  • Antiparasitic activity screening of purified compounds.

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Main Results:

  • Several new nitrogen-containing sesquiterpenes and diterpenes were isolated and characterized.
  • New metabolites include amorphane sesquiterpenes from A. fenestratus and kalihinols from A. cavernosa.
  • Compounds 1-5 and 7-9 exhibited potent antiparasitic activity.

Conclusions:

  • The study successfully identified novel terpenoids with potential therapeutic applications.
  • Marine sponges continue to be a valuable resource for discovering new antiparasitic agents.