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US 4,729,996 AGranted
Antitumor compositions and their methods of use
AssigneeHarbor Branch Oceanographic Institution, Inc.
InventorsAmy E. Wright, Winnie C. Thompson
Life of this patent
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Abstract
This invention relates to antitumor compositions and derivatives thereof, a process of producing the compositions and a method for inhibiting tumors utilizing the compositions. More particularly, the compositions are derived from marine organisms, i.e., marine sponges Teichaxinella morchella and Ptilocaulis walperis.
Claims20
A compound according to the formula:
- ##STR10## wherein X.sup.1 and X.sup.2 are the same or different and are a halogen or hydrogen with the proviso and that X.sup.1 and X.sup.2 are not both bromine.
A method for inhibiting tumors in a host comprising contacting a tumor with an effective amount of a compound according to the formula:
- ##STR12##
Dependencies are inferred from the claim text.