Chemistry and bioactivity of Raulinoa echinata Cowan, an endemic Brazilian rutaceae species
2001
Summary The hexane extract of the stems of Raulinoa echinata afforded the sesquiterpenes germacrene D (6), 1β,6α-dihydroxy-4-(15)-eudesmene (4) and oplopanone (5); the triterpenes squalene, isomultiflorenol (7), isobauerenol (8) and friedelin (9); the protolimonoids melianone (2) and melianodiol (3); and the pyranocoumarin 3-(1'-1'-dimethylallyl)-lomatin (1), which has not been reported previously as a natural product; together with b-sitosterol. The hexane extract and some of these compounds were assayed in vitro against trypomastigote forms of Trypanosoma cruzi . Brine shrimp lethality and antimicrobial activities of the crude extract and pure compounds were also evaluated.
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