Abstract:A new series of 19-nor-clerodane diterpene derivatives was synthesized from the natural trans-dehydrocrotonin obtained from stem barks of Croton cajucara (Euphorbiaceae), a native medicinal plant of the Brazilian Amazon. The new derivatives were obtained by changes in the ketone moiety of trans-dehydrocrotonin leading to nitrogenated derivatives which are: three substituted hydrazine diterpenes, oxime, and methyloxime. The cytotoxic effect of the diterpene derivatives was evaluated by MTT (3-(4,5-dimethylthiaz… Show more
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