Search Results - "Berhanu, Abegaz M."

Screening of the Pan-African natural product library identifies ixoratannin A-2 and boldine as novel HIV-1 inhibitors by Tietjen, Ian, Ntie-Kang, Fidele, Mwimanzi, Philip, Onguéné, Pascal Amoa, Scull, Margaret A, Idowu, Thomas Oyebode, Ogundaini, Abiodun Oguntuga, Meva'a, Luc Mbaze, Abegaz, Berhanu M, Rice, Charles M, Andrae-Marobela, Kerstin, Brockman, Mark A, Brumme, Zabrina L, Fedida, David

“…The continued burden of HIV in resource-limited regions such as parts of sub-Saharan Africa, combined with adverse effects and potential risks of resistance to…”
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Virtualizing the p-ANAPL library: a step towards drug discovery from African medicinal plants by Ntie-Kang, Fidele, Amoa Onguéné, Pascal, Fotso, Ghislain W, Andrae-Marobela, Kerstin, Bezabih, Merhatibeb, Ndom, Jean Claude, Ngadjui, Bonaventure T, Ogundaini, Abiodun O, Abegaz, Berhanu M, Meva'a, Luc Mbaze

“…Natural products play a key role in drug discovery programs, both serving as drugs and as templates for the synthesis of drugs, even though the quantities and…”
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Antimicrobial activity of the crude extracts and five flavonoids from the twigs of Dorstenia barteri (Moraceae) by Mbaveng, Armelle Tsafack, Ngameni, Bathélémy, Kuete, Victor, Simo, Ingrid Konga, Ambassa, Pantaléon, Roy, René, Bezabih, Merhatibeb, Etoa, François-Xavier, Ngadjui, Bonaventure Tchaleu, Abegaz, Berhanu M., Meyer, J.J. Marion, Lall, Namrita, Beng, Véronique Penlap

“…The aim of this study was to evaluate the antimicrobial activity of the crude extract of the twigs of Dorstenia barteri (DBT) as well as that of four of the…”
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Homoisoflavonoids and xanthones from the tubers of wild and in vitro regenerated Ledebouria graminifolia and cytotoxic activities of some of the homoisoflavonoids by Mutanyatta, Joan, Matapa, Bhagali G, Shushu, Deborah D, Abegaz, Berhanu M

“…Five new and six known homoisoflavoniods, and two known xanthones were isolated from the bulbs of wild Ledebouria graminofolia. These same compounds were…”
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Atropo-Enantioselective Total Synthesis of Knipholone and Related Antiplasmodial Phenylanthraquinones by Bringmann, Gerhard, Menche, Dirk, Kraus, Jürgen, Mühlbacher, Jörg, Peters, Karl, Peters, Eva-Maria, Brun, Reto, Bezabih, Merhatibeb, Abegaz, Berhanu M

“…The “lactone concept” has been efficiently employed for the first atropo-enantioselective synthesis of knipholone and related natural phenylanthraquinones…”
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Knipholone and related 4-phenylanthraquinones: structurally, pharmacologically, and biosynthetically remarkable natural products by Bringmann, Gerhard, Mutanyatta-Comar, Joan, Knauer, Michael, Abegaz, Berhanu M

“…This review gives the first comprehensive overview of the rapidly emerging young class of 4-phenylanthraquinones isolated from the three genera Bulbine,…”
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Total synthesis, antiprotozoal and cytotoxicity activities of rhuschalcone VI and analogs by Mihigo, Shetonde O., Mammo, Wendimagegn, Bezabih, Merhatibeb, Andrae-Marobela, Kerstin, Abegaz, Berhanu M.

“…The total syntheses of natural product rhuschalcone VI and eight analogs employing the Suzuki–Miyaura reaction are reported together with antiprotozoal…”
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Antimicrobial activities of the methanol extract and compounds from Artocarpus communis (Moraceae) by Kuete, Victor, Ango, Patrick Y, Fotso, Ghislain W, Kapche, Gilbert D W F, Dzoyem, Jean P, Wouking, Arlette G, Ngadjui, Bonaventure T, Abegaz, Berhanu M

“…Artocarpus communis is used traditionally in Cameroon to treat several ailments, including infectious and associated diseases. This work was therefore designed…”
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Old plants newly discovered: Cassia sieberiana D.C. and Cassia abbreviata Oliv. Oliv. root extracts inhibit in vitro HIV-1c replication in peripheral blood mononuclear cells (PBMCs) by different modes of action by Leteane, Melvin M., Ngwenya, Barbara N., Muzila, Mbaki, Namushe, Amos, Mwinga, John, Musonda, Rosemary, Moyo, Sikhulile, Mengestu, Yehualashete B., Abegaz, Berhanu M., Andrae-Marobela, Kerstin

“…Ethanolic extracts from Cassia sieberiana roots (Csr) used by the traditional healer Amos Namushe for HIV/AIDS management in Botswana protect peripheral blood…”
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Revision of the Absolute Configuration of Plumericin and Isoplumericin from Plumeria rubra by Elsässer, Brigitta, Krohn, Karsten, Nadeem Akhtar, M., Flörke, Ulrich, Kouam, Simeon F., Kuigoua, Merlin Guy, Ngadjui, Bonaventure T., Abegaz, Berhanu M., Antus, Sándor, Kurtán, Tibor

“…The absolute configurations of plumericin (1) and isoplumericin (2), isolated from Plumeria rubra, were re‐assigned based on a combination of X‐ray…”
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Epunctanone, a New Benzophenone, and Further Secondary Metabolites from Garcinia epunctata Stapf (Guttiferae) by Fotso, Ghislain W., Ntumy, Aku N., Ngachussi, Eliette, Dube, Mthandazo, Mapitse, Renameditswe, Kapche, Gilbert D. W. F., Andrae-Marobela, Kerstin, Ngadjui, Bonaventure T., Abegaz, Berhanu M.

“…A new polyprenylated benzophenone, named epunctanone (1), was isolated from the stem bark of Garcinia epunctata Stapf, together with eight known compounds,…”
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Prenylated arylbenzofuran derivatives from Morus mesozygia with antioxidant activity by Kapche, Gilbert D.W.F., Fozing, Christian. D., Donfack, Jean H., Fotso, Ghislain W., Amadou, Dawe, Tchana, Angèle. N., Bezabih, Merhatibeb, Moundipa, Paul F., Ngadjui, Bonaventure T., Abegaz, Berhanu M.

“…Five prenylated arylbenzofurans, moracin Q–U, were isolated from Morus mesozygia (Moraceae). Their structures were elucidated on the basis of spectroscopic…”
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Donellanic acids A–C: new cyclopropanic oleanane derivatives from Donella ubanguiensis (Sapotaceae) by Djoumessi, Aurelie V.B., Sandjo, Louis P., Liermann, Johannes C., Schollmeyer, Dieter, Kuete, Victor, Rincheval, Vincent, Berhanu, Abegaz M., Yeboah, Samuel O., Wafo, Pascal, Ngadjui, Bonaventure T., Opatz, Till

“…Three new cyclopropanic oleanane triterpenoids and ten known compounds were obtained from Donella ubanguiensis using chromatographic methods. The structures…”
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Antiplasmodial and antioxidant isofuranonaphthoquinones from the roots of Bulbine capitata by Bezabih, M, Abegaz, B M, Dufall, K, Croft, K, Skinner-Adams, T, Davis, T M

“…The roots of B. capitata yielded the new compounds 5,8-dihydroxy-1-tigloylmethylnaphtho[2,3-c]furan-4,9-dione,…”
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Elatumic Acid: A New Ursolic Acid Congener from Omphalocarpum elatum Miers (Sapotaceae) by Sandjo, Louis P., Fru, Chi G., Kuete, Victor, Nana, Frederic, Yeboah, Samuel O., Mapitse, Renameditswe, Abegaz, Berhanu M., Efferth, Thomas, Opatz, Till, Ngadjui, Bonaventure T.

“…A new triterpene diastereomer, 1, of the previously reported 3β,6β,19α-trihydroxy-urs-12-en- 28-oic acid-24-carboxylic acid methyl ester was obtained from the…”
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Antimicrobial activity of the methanolic extracts and compounds from Treculia obovoidea (Moraceae) by Kuete, Victor, Metuno, Robert, Ngameni, Bathélémy, Tsafack, Armelle Mbaveng, Ngandeu, François, Fotso, Ghislain Wabo, Bezabih, Merhatibeb, Etoa, François-Xavier, Ngadjui, Bonaventure Tchaleu, Abegaz, Berhanu M., Beng, Véronique Penlap

“…The crude extract from Treculia obovoidea was subjected to purification by repeated chromatography. Eight compounds were isolated from Treculia obovoidea and…”
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Phosphodiesterase I-inhibiting Diels-Alder adducts from the leaves of Morus mesozygia by Fozing, Christian D A, Ali, Zulfiqar, Ngadjui, Bonaventure T, Choudhary, M Iqbal, Kapche, Gilbert D W F, Abegaz, Berhanu M, Khan, Ikhlas A

“…A new 2-arylbenzofuran derivative, (+)-dimethylsmoracin O (1), and three new Diels-Alder type adducts, mesozygins A–C (2–4), in addition to eight known…”
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Duboscic Acid: A Potent α-Glucosidase Inhibitor with an Unprecedented Triterpenoidal Carbon Skeleton from Duboscia macrocarpa by Wafo, Pascal, Kamdem, Ramsay S. T, Ali, Zulfiqar, Anjum, Shazia, Khan, Shamsun Nahar, Begum, Afshan, Krohn, Karsten, Abegaz, Berhanu M, Ngadjui, Bonaventure T, Choudhary, Muhammad Iqbal

“…Duboscic acid (1), a triterpenoid with a unique carbon backbone, was isolated from Duboscia macrocarpa Bocq. It is the first member of a new class of…”
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Ent-kaurene and ent-beyerene diterpenoids and other constituents of Thecacoris batesii by Bonaventure T. Ngadjui, Herve M.P. Poumale, Alphonsine N. Guedem, Merhatibeb Bezabih, Berhanu M. Abegaz

“…Two novel diterpenoids, thecacorins A (1) and B (2), were isolated from Thecacoris batesii and their structures were established as…”
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Excelsoside: A New Benzylic Diglycoside from the Leaves of Milicia excelsa by Ouete, Judith L. Nantchouang, Sandjo, Louis P., Kapche, Deccaux W. F. G., Yeboah, Samuel O., Mapitse, Renameditswe, Abegaz, Berhanu M., Opatz, Till, Ngadjui, Bonaventure T.

“…A new benzylic diglycoside was isolated from the leaves of Milicia excelsa and identified as 3,4-dimethoxybenzyl ß-D-xylopyranosyl(1 2)-ß-D-glucopyranoside…”
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