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    Isoflavanones and 3-Methoxyflavones from the Stem Bark of Platycelphium voense 

    Yenesew, Abiy; Erdelyi, Mate; Ndiege, Isaiah O.; Okalebo, Faith A.; Derese, Solomon; Heydenreich, Mathias; Gumuia, Ivan (2011)
    Platycelphium (Engl.) Wild (Leguminosae) is a monotypic genus that occurs in the drier parts of Eastern Africa (Gillett et 01., 1971). Prior to this report, the only phytochemical studies on Platycelphium voense describe ...
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    A xanthone and a phenylanthraquinone from the roots of Bulbine frutescens, and the revision of six seco-anthraquinones into xanthones 

    Abdissa, Negera; Heydenreich, Matthias; Midiwo, Jacob O; Ndakal, Albert; Majer, Zsuzsanna; Neumann, Beate; Stammler, Hans-Georg; Sewald, Norbert; Yenesew, Abiy (University of Nairobi, 2014)
    Phytochemical investigation of the dichloromethane/methanol (1:1) extract of the roots of Bulbine frutescens led to the isolation of a new xanthone, 8-hydroxy-6-methylxanthone-1-carboxylic acid (1) and a new phenylanthraquinone, ...
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    Flavonoids and isoflavonoids from Tephrosia fulvinervis and Tephrosia pentaphylla 

    Dagne, Ermias; Yenesew, Abiy; Waterman, Peter G (University of Nairobi, 1989)
    From the roots, leaves and pods of Tephrosia pentaphylla three new 6-oxygenated rotenoids (dihydrostemonal, 9-demethyldihydrostemonal and 6-acetoxydihydrostemonal) were isolated and characterized. In addition six known ...
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    Three dimeric anthracene derivatives from the fruits of Bulbine abyssinica. Tetrahedron 61, 2667 

    Bringmannc, Gerhard; Reichert c, Matthias; Dreyer, Michael; Peter, Martin G; Heydenreich, Matthias; Midiwo, Jacob O; Yenesew, Abiy; Wanjohi, John M (2005)
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    Larvicidal Activities Of Extracts And Rotenoids From Millettia Usaramensis Subspecies Usaramensis On Aedes Aegypti (Linnaeus, 1762) (Diptera: Culicidae) 

    Yenesew, Abiy (University of Nairobi, 2014)
    The dichloromethane/methanol (1:1) extract of the stem bark of Millettia usaramensis subspecies usaramensis was tested for its larvicidal activity against the 4th instar Aedes aegypti larvae and demonstrated activity with ...
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    Medicinal plants of East Africa: An Illustrative Guide 

    Yenesew, Abiy; East afr med j (2010)
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    Flemingins G–O, Cytotoxic and Antioxidant Constituents of the Leaves of Flemingia grahamiana 

    Erdelyi, Mate; Yenesew, Abiy; Sunnerhagen, Per; Ndiege, Isaiah O; Alao, John P; Gumula, Ivan (2014)
    The known flemingins A–C (1–3) and nine new chalcones, named flemingins G–O (4–12), along with deoxyhomoflemingin (13) and emodin (14) were isolated from a leaf extract of Flemingia grahamiana. The isolated chalcones were ...
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    Constituents of the Roots and Leaves of Ekebergia capensis and Their Potential Antiplasmodial and Cytotoxic Activities 

    Yenesew, Abiy; Erdélyi, Máté; Midiwo, Jacob; Kimani, Francis; Landberg, Göran; Fitzpatrick, Paul A; Gruhonjic, Amra; Orwa, Jennifer A; Irungu, Beatrice N (2014)
    A new triterpenoid, 3-oxo-12β-hydroxy-oleanan-28,13β-olide (1), and six known triterpenoids 2–7 were isolated from the root bark of Ekebergia capensis, an African medicinal plant. A limonoid 8 and two glycoflavonoids 9–10 ...
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    Knipholone anthrone from Kniphofia foliosa 

    Dagne, Ermias; Yenesew, Abiy (University of Nairobi, 1993-11)
    A new anthrone named knipholone anthrone was isolated from the stem of Kniphofia foliosa. Its structure was determined by spectral analysis as well as conversion to knipholone.
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    An anthrone, an anthraquinone and two oxanthrones from Kniphofia foliosa 

    Yenesew, Abiy; Müller, Michael; Steglich, Wolfgang; Dagne, Eermias (University of Nairobi, 1994)
    The compounds isoknipholone, isoknipholone anthrone, foliosone and isofoliosone were isolated from the stem of Kniphofia foliosa and their structures determined by spectral analyses. In addition, the known compounds, ...
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    Yenesew, Abiy (34)
    Heydenreich, Matthias (10)Dagne, Ermias (8)Midiwo, Jacob O (7)Akala, Hoseah M (5)Derese, Solomon (5)Peter, Martin G (5)Erdelyi, Mate (3)Eyase, Fredrick L (3)Kiremire, Bernard T (3)... View MoreSubject(S)-Lupinifolin 4´-methyl ether (1)Aedes aegyp (1)Aloe;Alooideae;Asphodelaceae;roots;anthraquinones;pre-anthraquinones;chemotaxonomy (1)Antileishmanial; Antiplasmodial; Cytotoxicity; Flavanonol; Flavonol; Leguminosae; Mundulea sericea. (1)Antimalarial plants, antiplasmodial, cytotoxicity, marker compound, Maytenus spp., phytomedicine, pristimerin. (1)Antiplasmodial (1)Buxus hildebrandtii;Buxaceae;steroidal alkaloids;O(30)-benzoyl-16-deoxybuxidienine-C;30-hydroxybuxamine-A;30-norbuxamine-A;cyclomicrobuxamine;buxamine-A;buxamine-C;cyclobuxoviridine;moenjodaramine;cyclorolfeine. (1)Derris trifoliata (1)Erythrina sacleuxii;Leguminosae;stem bark;isoflavones;7-demethylrobustigenin;3′-(3-methylbut-2-enyl)biochanin A;5′-(3-methylbut-2-enyl)pratensein;5′-formylpratensein (1)Flavanone (1)... View MoreDate Issued2020 - 2022 (2)2010 - 2019 (17)2000 - 2009 (5)1990 - 1999 (9)1988 - 1989 (3)Has File(s)
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