Search Results - "Pegnyemb, D.E."

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    Minor alkaloids from the seeds of Voacanga africana by Pegnyemb, D.E, Ghogomu, R.T, Sondengam, B.L

    Published in Fitoterapia (01-08-1999)
    “…The isolation and 13C-NMR spectra of Δ 14-vincanol, O-methyl-16-epi-Δ 14-vincanol, Δ 14-vincamone from the seeds of Voacanga africana are reported…”
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    Journal Article
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    Nitrile glucosides and serotobenine from Campylospermum glaucum and Ouratea turnarea by Abouem à Zintchem, Auguste, Bikobo, Dominique Ngono, de Théodore Atchadé, Alex, Mbing, Joséphine Ngo, Gangoue-Pieboji, Joseph, Tih, Raphael Ghogomu, Blond, Alain, Pegnyemb, Dieudonné Emmanuel, Bodo, Bernard

    Published in Phytochemistry (Oxford) (01-08-2008)
    “…Two new nitrile glucosides, campyloside A (1) and campyloside B (2) were isolated from the stem roots of Campylospermum glaucum, whereas serotobenine was…”
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    Antimicrobial biflavonoids from the aerial part of Ouratea sulcata by Pegnyemb, D.E., Mbing, J.N., Atchadé, A.T., Ghogomu, R., Sondengam, A., Blond, Alain, Bodo, Bernard

    Published in Phytochemistry (Oxford) (01-08-2005)
    “…Investigation of the aerial parts of Ouratea sulcata led to the isolation of a biflavonoid named sulcatone A, together with the known compounds,…”
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    Two biflavonoids from Ouratea nigroviolacea by Ngo Mbing, Josephine, Enguehard-Gueiffier, Cécile, Atchadé, Alex de Théodore, Allouchi, Hassan, Gangoué-Piéboji, Joseph, Mbafor, Joseph Tanyi, Tih, Raphael Ghogomu, Pothier, Jacques, Pegnyemb, Dieudonné Emmanuel, Gueiffier, Alain

    Published in Phytochemistry (Oxford) (01-12-2006)
    “…Two biflavonoids, ouratine A and B ( 1– 2) were isolated from the leaves of Ouratea nigroviolacea together with two known compounds. The structure of 1 was…”
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    Flavonoids of Ochna afzelii by Pegnyemb, Dieudonné Emmanuel, Tih, Raphael Ghogomu, Sondengam, Beibam Lucas, Blond, Alain, Bodo, Bernard

    Published in Phytochemistry (Oxford) (01-09-2003)
    “…Fractionation of the methanolic extract of Ochna afzelii stem bark has resulted in the isolation of two biflavonoids afzelones A and B along with five known…”
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    Two biflavonoids from Ouratea flava stem bark by Mbing, Joséphine Ngo, Pegnyemb, Dieudonné Emmanuel, Tih, Raphael Ghogomu, Sondengam, Beibam Lucas, Blond, Alain, Bodo, Bernard

    Published in Phytochemistry (Oxford) (01-06-2003)
    “…In a chemical investigation on the stem bark of Ouratea flava, two biflavonoids:…”
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    Biflavanoids from Ochna afzelii by Pegnyemb, D.E., Ghogomu Tih, R., Sondengam, B.L., Blond, A., Bodo, B.

    Published in Phytochemistry (Oxford) (01-06-2001)
    “…The stem bark of Ochna afzelii furnished three biflavonoids among which two are new. Their structures were established from spectroscopic and chemical…”
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    A New Benzoylglucoside and a New Prenylated Isoflavone from Lophira lanceolata by Pegnyemb, D. E, Messanga, B. B, Ghogomu, R, Sondengam, B. L, Martin, M. T, Bodo, B

    “…A new benzoylglucoside, lanceoloside A (1), and a new prenylated isoflavone, lanceolone (2), have been isolated from the air-dried leaves of Lophira…”
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