Browsing Faculty of Science & Technology (FST) by Subject "Larvicides"

Now showing items 1-2 of 2

    • 7a-O-methyldeguelol, a modified rotenoid with an open ring-C, from the roots of Derris trifoliata 

      Yenesew Abiy.; Mushibe,EK.; Induli M.; Derese Solomon.; Midiwo Jacob O.; Kabaru JM.; Heydenreich M.; Koch A.; Peter MG. (Department of Chemistry, University of NairobiDepartment of Zoology, University of Nairobi,Institut für Chemie, Universität Potsdam, P.O. Box 601553, D-14415 Potsdam, Germany, 2005-03)
      From the acetone extract of the roots of Derris trifoliata an isoflavonoid derivative, named 7a-O-methyldeguelol, a modified rotenoid with an open ring-C, representing a new sub-class of isoflavonoids (the sub-class is ...

    • Two unusual rotenoid derivatives, 7a-O-methyl-12a-hydroxydeguelol and spiro-13-homo-13-oxaelliptone, from the seeds of Derris trifoliata 

      Yenesew Abiy.; Kiplagat JT.; Derese Solomon.; Midiwo Jacob O.; Kabaru JM.; Heydenreich M.; Peter MG. (Department of Zoology, University of Nairobi,Department of Chemistry, University of NairobiInstitut für Chemie, Universität Potsdam, P.O. Box 601553, D-14415 Potsdam, Germany, 2006-05)
      The crude methanol extract of the seeds of Derris trifoliata showed potent and dose dependent larvicidal activity against the 2nd instar larvae of Aedes aegypti. From this extract two unusual rotenoid derivatives, a ...