Search Results - "Tekapi Tsopgni, Willifred Dongmo"

Three new 30-norfriedelane and a new friedelane triterpenes from the trunk bark of Caloncoba welwitschii (Oliv.) Gilg (Achariaceae) by Tchamadeu Keugwa, Chimène Victoire, Essoung Ehawa, Flaure Rosette, Mouthé Happi, Gervais, Dongmo Tekapi Tsopgni, Willifred, Kamdem Waffo, Alain François, Ndom, Jean Claude, Wansi, Jean Duplex

“…Phytochemical investigation of the methanolic extract of the trunk bark of Caloncoba welwitschii (Oliv.) Gilg (Achariaceae) led to the isolation of four new…”
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Chemical Constituents of the Bark of Zanthoxylum gilletii (Rutaceae) and Their In Vitro Antiplasmodial and Molecular Docking Studies by Dzouemo, Liliane Clotilde, Mouthé Happi, Gervais, Ahmed, Sikiru Akinyeye, Dongmo Tekapi Tsopgni, Willifred, Nde Akuma, Michael, Salau, Shina, Ngeufa Happi, Emmanuel, Wansi, Jean Duplex

“…The phytochemical investigations of the methanol extract of Zanthoxylum gilletii bark led to the isolation of thirteen compounds identified as two alkaloids…”
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Secondary Metabolites from Anthonotha cladantha (Harms) J.Léonard by Lefack Bongmo, Laurent Voufack, Bissoue, Achille Nouga, Bissim, Samuel Magloire, Tabekoueng, Georges Bellier, Tekapi Tsopgni, Willifred Dongmo, Lateef, Mehreen, Kasali, Félicien Mushagalusa, Ali4, Muhammad Shaiq, Kamdem Waffo, Alain François, Wansi, Jean Duplex

“…The phytochemical investigation of the crude methanolic extracts roots and stem bark of Anthonotha cladantha (Harms) J.Léonard led to the isolation and…”
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Picrotoximaesins B-D, new picrotoxane-type sesquiterpenoids from the berries of Maesobotrya dusenii (Pax) Hutch by Laura Wondja Ngoko, Mireille, Pierre Longue Ekon, Jean, Dongmo Tekapi Tsopgni, Willifred, Lobe Songue, Jules, François Kamdem Waffo, Alain

“…[Display omitted] •We investigated the fresh berries of Maesobotrya dusenii.•We isolated three new picrotoxane-type sesquiterpenoids.•The structure of the new…”
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Bioactive constituents from Flacourtia vogelii Hook.f. (Flacourtiaceae) by Tsopgni, Willifred Dongmo Tekapi, Ehawa Essoung, Flaure Rosette, Makam Kuetche, Phalonne, Azebaze, Anatole Guy Blaise, Ajeck, Mbah James, Meli, Alain Lannang, Sewald, Norbert, Wansi, Jean Duplex, Kamdem Waffo, Alain Francois, Tcho, Alain Tadjong

“…The chemical investigation of the methanolic root extract of Flacourtia vogelii led to the isolation of a new arylbenzoate derivative, vogelinal (1), together…”
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Rotenoids and Isoflavones from Xeroderris stuhlmannii (Taub.) Mendonça & E.P. Souza and Their Biological Activities by Mekuete, Livie Blondèle Kenou, Tsopgni, Willifred Dongmo Tékapi, Nkojap, Augustine Kuinze, Kojom, Jacquy Joyce Wanche, Stark, Timo D, Fouokeng, Yannick, Dongmo, Alain Bertrand, Azeufack, Léon Tapondjou, Azebaze, Anatole Guy Blaise

“…The phytochemical study of the ethanolic extract of the leaf of led to the isolation of five hitherto unreported compounds including two isoflavones ( - ), and…”
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Chemical Constituents of the Stem Bark of the Hybrid Plant Citrus × paradisi Macfad. (Rutaceae) by Essombe Malolo, Fanny‐Aimée, Bellier Tabekoueng, George, Dongmo Tekapi Tsopgni, Willifred, Nguemdjo Chimeze, Valery Wilfried, Kenmogne Kouam, Ariane, Mas‐Claret, Eduard, Langat, Moses K., Ndom, Jean Claude, Frese, Marcel, Sewald, Norbert, Duplex Wansi, Jean

“…The stem bark of Citrus × paradisi Macfad. (Rutaceae) gave (23S)‐isolimonexic acid (1), limonin (2), citracridone II (3), citpressine II (4), citpressine I…”
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Anti-biofilm and anti-quorum sensing activities of extract, fractions and compounds from the leaves of Cassia alata L. against yeast pathogens by Dzoyem, Jean Paul, Fotso, Simplice Chimi, Wansi, Jean Duplex, Tabenkoueng, Bellier, Dongmo Tekapi Tsopgni, Willifred, Toze, Flavien Aristide Alfred, McGaw, Lyndy Joy

“…Cassia alata or Senna alata, also known as “ringworm bush” because of its very effective fungicidal properties, is commonly used in African traditional…”
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Chemical constituents from Psychotria arborea Hiern (Rubiaceae) by Ngo Nyobe, Judith Caroline, Tekapi Tsopgni, Willifred Dongmo, Longue Ekon, Jean Pierre, Ben Saida, Ali, Djuidje, Annie Guilaine, Bengondo, Anicet Biwole, Etame Loe, Gisele, Berionni, Guillaume, Mama, Desire Bikele, Ndom, Jean Claude, Mpondo, Emmanuel Mpondo

“…The chemical study of the stems extract of Psychotria arborea Hiern led to the isolation of thirteen compounds, including four anthraquinones:…”
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Xeroderris stuhlmannii (Taub.) Mendonça & E.P.Sousa (Fabaceae): Evidence of the antihypertensive and antioxidant activities of its leaf aqueous extract in cadmium chloride hypertensive rats by Nkojap Kuinze, Augustine, Nguemfo, Edwige Laure, Nana Yousseu, William, Wanche Kojom, Jacquy Joyce, Zangueu Bogning, Calvin, Sonfack, Christelle Stéphanie, Tsopgni Dongmo Tekapi, Willifred, Stark, Timo D., Azebaze, Guy Blaise Anatole, Dongmo, Alain Bertrand

“…Xeroderris stuhlmannii (Fabaceae) is a medicinal reported in Cameroonian herbal medicine to treat hypertension. The aim of the study was to assess the…”
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Bioguided Fractionation and Isolation of an Antiplasmodial Saponin from the Roots of Nauclea xanthoxylon (A.Chev.) Aubrév. (Rubiaceae) by Nkouayeb Nangmou, Brice Maxime, Maza Djomkam, Hermine Laure, Bellier Tabekoueng, Georges, Tékapi Tsopgni, Willifred Dongmo, Mbahbou Bitchagno, Gabin Thierry, Mbock, Michel Arnaud, Kamkumo, Raceline Gounoue, Frese, Marcel, Ndjakou Lenta, Bruno, Ngouela, Silvère Augustin, Sewald, Nobert, Blaise Azebaze, Anatole Guy

“…The root extract of Nauclea xanthoxylon (A.Chev.) Aubrév. displayed significant 50 % inhibition concentration (IC50s) of 0.57 and 1.26 μg/mL against…”
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Chemical Constituents of Nauclea vanderguchtii by Nkouayeb, Brice Maxime Nangmou, Azebaze, Anatole Guy Blaise, Tabekoueng, Georges Bellier, Tsopgn, Willifred Dongmo Tekapi, Lenta, Bruno Ndjakou, Frese, Marcel, Sewald, Norbert, Vardamides, Juliette Catherine

“…Phytochemical investigation of leaves, barks and roots of Nauclea vanderguchtii led to the isolation of sixteen compounds, which includes one citric acid…”
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A New Antimicrobial Phenylpropanol from the Leaves of Tabernaemontana inconspicua Stapf. (Apocynaceae) Inhibits Pathogenic Gram-Negative Bacteria by Ngah, Lidwine, Tsopgni, Willifred Dongmo Tékapi, Nyobe, Judith Caroline Ngo, Tcho, Alain Tadjong, Langat, Moses K, Ndom, Jean Claude, Mas-Claret, Eduard, Sadgrove, Nicholas John, Waffo, Alain François Kamdem, Phumthum, Methee

“…A chemical investigation of the leaves of Stapf. led to the isolation of a new phenylpropanol derivative, namely irisdichototin G ( ), together with nine known…”
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Bioactive constituents from Coffea canephora Pierre ex A. Froehner (Rubiaceae) by Mewaba Goulefack, Sandrine, Nguefa Happi, Emmanuel, Dongmo Tékapi Tsopgni, Willifred, Nangmou Nkouayeb, Brice Maxime, Popwo Tameye, Stevine Claudiale, Azebaze, Anatole Guy Blaise

“…The chemical investigation of the methanolic leaf and root extract of Coffea canephora Pierre ex A. Froehner (Rubiaceae) led to the isolation and structure…”
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New unsaturated fatty acid and other chemical constituents from the roots of Cola rostrata K. Schum. (Malvaceae) by Tékapi Tsopgni, Willifred Dongmo, Blaise Azebaze, Anatole Guy, Mbosso Teinkela, Jean Emmanuel, Ndjakou, Bruno Lenta, Bosyom, Fabrice Fekam, Tchaleu, Bonaventure Ngadjui, Vardamides, Juliette Catherine

“…Phytochemical investigation of the roots of Cola rostrata K. Schum. led to the isolation of a new unsaturated fatty acid, named rostratanic acid (1), together…”
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Anthraquinones and other constituents from the roots of Eremomastax speciosa (Hochst.) Cufod by Nangue Djouatsa, Yolande Noëlle, Tékapi Tsopgni, Willifred Dongmo, Nguemfo, Edwige Laure, Kenou, Livie Blondèle, Fouokeng, Yannick, Djamen Mbeunkeu, Ahri Bernie, Dongmo, Alain Bertrand, Blaise Azebaze, Anatole Guy

“…The chemical investigation of the roots of Eremomastax speciosa (Hochst.) Cufod (Acanthaceae). led to the isolation of thirteen compounds including five…”
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Bioactive constituents from Trichilia dregeana Sond. (Meliaceae) by Fotso Tatio, Laurel Flairon, Nouga Bissoue, Achille, Tadjong Tcho, Alain, Akone, Sergi Herve, Jounda, Nadege Nelly, Tsopgni, Willifred Dongmo Tekapi, Kamdem Waffo, Alain François

“…The chemical investigation of the methanolic leaf extract of Sond. led to the isolation of a hitherto unreported cycloartane-type triterpene, dregeanol ( ),…”
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Two new 30-norfriedelane triterpenes from Caloncoba glauca (P. Beauv.) Gilg (Achariaceae) by Ndoumbe Tamba, Charlemagne, Tsopgni, Willifred Dongmo Tekapi, Fotso, Bernard Samuel Hodjie, Longue Ekon, Jean Pierre, Foundikou Nsangou, Mohamed, Ngo Nyobe, Judith Caroline, Sewald, Norbert, Ndom, Jean Claude

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First report of compounds from an Ancistrocarpus species: Triterpenoids from A. densispinosus Oliv. (Malvaceae) by Peyeino, Jules H, Djomkam, Hermine L Maza, Kenmogne, Sidonie Beatrice, Langat, Moses Kiprotich, Isyaka, Sani Mohammed, Tsopgni, Willifred Dongmo Tekapi, Wansi, Jean Duplex, Kamdem Waffo, Alain Francois, Sewald, Nobert, Vardamides, Juliette Catherine

“…The stem bark of Oliv. exhibited triterpenoids, including the rare fernane-type, fern-9(11)-ene-2α,3β-diol ( ) a possible chemotaxonomically distinct…”
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Rotenoids and Isoflavones from IXeroderris stuhlmannii/I Mendonça E.P. Souza and Their Biological Activities by Mekuete, Livie Blondèle Kenou, Tsopgni, Willifred Dongmo Tékapi, Nkojap, Augustine Kuinze, Kojom, Jacquy Joyce Wanche, Stark, Timo D, Fouokeng, Yannick, Dongmo, Alain Bertrand, Azeufack, Léon Tapondjou, Azebaze, Anatole Guy Blaise

“…The phytochemical study of the ethanolic extract of the leaf of Xeroderris stuhlmannii led to the isolation of five hitherto unreported compounds including two…”
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