Browsing Faculty of Science & Technology (FST) by Author "Irungu Beatrice."

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    • Flavonoids and Isoflavonoids with Antiplasmodial Activities from the Root Bark of Erythrina abyssinica 

      Yenesew Abiy.; Derese Solomon.; Irungu Beatrice.; Midiwo Jacob O.; Waters Norman C.; Liyala Pamela.; Akala Hoseah.; Heydenreich Matthias.; Peter Martin G. (University of NairobiDepartment of Chemistry, University of Nairobi, 2003-07)
      From the root bark of Erythrina abyssinica a new pterocarpene [3-hydroxy-9-methoxy-10-(3,3-dimethylallyl)pterocarpene] and a new isoflav-3-ene [7,4′-dihydroxy-2′,5′-dimethoxyisoflav-3-ene] were isolated. In addition, the ...

    • Two prenylated flavonoids from the stem bark of Erythrina burttii 

      Yenesewa Abiy.; Irungu Beatrice.; Derese Solomon.; Midiwo Jacob O.; Heydenreich Matthias.; Peter Martin G. (Department of Chemistry, 2003-06)
      From the stem bark of Erythrina burttii, a new isoflavone, 5,2′,4′-trihydroxy-7-methoxy-6-(3-methylbut-2-enyl)isoflavone (trivial name, 7-O-methylluteone) and a new flavanone, 5,7-dihydroxy-4′-methoxy-3′-(3-methylbutadie ...