Cell growth inhibitory macrocyclic lactones denominated Combreta

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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514908, 549266, 549267, 549270, A61K 31365, C07B32100

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active

049407260

ABSTRACT:
The isolation and elucidation of novel caffrane macrocyclic lactones denominated "Combretastatin D-1" and "Combretastatin D-2", each of which was found to possess unexpected cell growth inhibitory properties. The lactones have the structural formula: ##STR1## wherein: ##STR2##

REFERENCES:
patent: 4708962 (1987-11-01), Higa et al.
G. Pettit, et al., J. Am. Chem. Soc., "Isolation and Structure of Combretastatin D-1", 110(25), pp. 3539-3540 (1988).

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