A. E. Nkengfack

Publications25
h-index11
Citations459
Highly Influential Citations11
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Indicanines B and C, two isoflavonoid derivatives from the root bark of Erythrina indica.
In addition to two known compounds, 5,4'-di-O-methylalpinumisoflavone and cajanin, a new 3-phenylcoumarin metabolite, named indicanine B, and a new isoflavone derivative, named indicanine C, were… Expand
  • 51
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Antimicrobial activity of the methanolic extract and of the chemical constituents isolated from Newbouldia laevis.
The methanolic extract (NLB) and ten compounds isolated from the root bark of Newbouldia laevis Seem, namely chrysoeriol (1), newbouldiaquinone (2), 2-acetylfuro-1,4-naphthoquinone (3),… Expand
  • 68
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Newbouldiaquinone A: A naphthoquinone-anthraquinone ether coupled pigment, as a potential antimicrobial and antimalarial agent from Newbouldia laevis.
The study of the chemical constituents of the roots of Newbouldia laevis (Bignoniaceae) has resulted in the isolation and characterization of a naphthoquinone-anthraquinone coupled pigment named… Expand
  • 78
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Cytotoxic and antimicrobial coumarins from Mammea africana
Abstract Six coumarin derivatives [three 4-phenylcoumarins (Mammea A/AA, Mammea A/BA and MAB 3), two 4-n-propylcoumarins (Mammea B/BB and Mammea B/BA) and one 4-n-pentylcoumarin (Mammea C/OB)],… Expand
  • 59
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Anti-inflammatory and anti-hyaluronate lyase activities of lanostanoids from Piptoporus betulinus.
promising anti-inflammatory agents by inhibiting 3αhydroxysteroid dehydrogenase. 1-4 also possess a remarkable selective activity towards bacterial hyaluronate lyase while not affecting bovine… Expand
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Flavones and isoflavones from the west African Fabaceae Erythrina vogelii.
The CH(2)Cl(2)/MeOH extract of the stem bark of Erythrina vogelii (Fabaceae) from Nigeria has yielded two novel isoflavones,… Expand
  • 22
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Newbouldiaquinone and newbouldiamide: a new naphthoquinone-anthraquinone coupled pigment and a new ceramide from Newbouldia laevis.
Newbouldiaquinone (1), a new naphthoquinone-anthraquinone coupled pigment and a new ceramide named newbouldiamide (2), have been isolated from Newbouldia laevis, besides the known compounds lapachol… Expand
  • 48
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Antimicrobial and antileishmanial xanthones from the stem bark of Allanblackia gabonensis
The phytochemical study of the stem bark of Allanblackia gabonensis has resulted in the isolation and characterization of one new xanthone derivative, named allanxanthone D, together with ten known… Expand
  • 13
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Anticoccidial constituents from the stem bark of Turraeanthus africanus
In order to study some biological active products, phytochemical investigation of the stem bark of Turraeanthus africanus have led to the isolation of a novel compound 1, a new benzoic acid… Expand
  • 8
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Preussianone, a New Flavanone-Chromone Biflavonoid from Garcinia preussii Engl
A new flavanone-chromone biflavonoid, preussianone (1), has been isolated from the leaves of Garcinia preussii, along with four known biflavonoids. The absolute stereostructures were elucidated by… Expand
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