Bioactive heterocycle alkaloids and methods of use

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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546 48, A61K 31505, C07D47112, C07D47114, C07D47116

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active

051822873

ABSTRACT:
Novel heterocyclic alkaloids were isolated from a marine sponge. These compounds, and derivatives thereof, are useful antifungal and antitumor compounds. The novel compounds have the following structures: ##STR1## wherein R.sub.1 =H, alkyl, alkenyl, aryl, benzyl, acyl, benzoyl, or alkali metal;

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