Search Results - "Duplex Wansi, Jean"

A New Aromatic Amide from the Roots of Zanthoxylum tessmannii (Rutaceae) by Kenmoe Djeukeu, Charlie, Kouam Kenmogne, Ariane, Guy Blaise Azebaze, Anatole, Belle Ebanda Kedi, Philippe, Vardamides, Juliette Catherine, Sewald, Norbert, Duplex Wansi, Jean

“…Phytochemical investigation of the methanolic extract of the roots of Zanthoxylum tessmannii Zepernick and Timler (Rutaceae) led to the isolation and…”
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A New Sphingolipid and Furanocoumarins with Antimicrobial Activity from Ficus exasperata by Dongfack, Marlise Diane Jiofack, Lallemand, Marie-Christine, Kuete, Victor, Mbazoa, Céline Djama, Wansi, Jean-Duplex, Trinh-van-Dufat, Hanh, Michel, Sylvie, Wandji, Jean

“…From the methanol extract of the stem bark of Ficus exasperata, a new sphingolipid named Ficusamide,…”
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New Friedelane Triterpenoids with Antimicrobial Activity from the Stems of Drypetes paxii by Chiozem, David Dako, Trinh-Van-Dufat, Hanh, Wansi, Jean Duplex, Djama, Céline Mbazoa, Fannang, Véronique Simone, Seguin, Elisabeth, Tillequin, François, Wandji, Jean

“…Two new friedelane-type triterpenes named 12α-hydroxyfriedelane-3,15-dione and 3β-hydroxyfriedelan-25-al, together with six known compounds were isolated from…”
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Coumarinolignoid and Indole Alkaloids from the Roots of the Hybrid Plant Citrus × paradisi Macfad (Rutaceae) by Essombe Malolo, Fanny-Aimée, Kouam, Ariane Dolly Kenmogne, Nyobe, Judith Caroline Ngo, Ngah, Lidwine, Frese, Marcel, Ndom, Jean Claude, Langat, Moses K, Lenta, Bruno Ndjakou, Mulholland, Dulcie A, Sewald, Norbert, Wansi, Jean Duplex

“…A phytochemical investigation of the roots of Macfad. (Rutaceae) led to the isolation of two new compounds, namely 1-formyl-5-hydroxy- -methylindolin-1-ium ( )…”
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Oxidative burst inhibition, cytotoxicity and antibacterial acriquinoline alkaloids from Citrus reticulate (Blanco) by Fomani, Marie, Ngeufa Happi, Emmanuel, Nouga Bisoue, Achille, Ndom, Jean Claude, Kamdem Waffo, Alain François, Sewald, Norbert, Wansi, Jean Duplex

“…[Display omitted] Two novel acridone–quinoline alkaloids, acriquinoline A (1) and acriquinoline B (2), together with twenty-two known compounds were isolated…”
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Antimicrobial Activity of the Methanolic Extract and Compounds from the Stem Bark of Drypetes tessmanniana by Kuete, Victor, Dongfack, Marlise D. J., Mbaveng, Armelle T., Lallemand, Marie-Christine, Van-Dufat, Hanh T., Wansi, Jean-Duplex, Seguin, Elisabeth, Tillequin, François, Wandji, Jean

“…Objective： To evaluate the antimicrobial activity of the methanol extract from the stem bark of Drypetes tessmanniana, fractions （DTB1-5） as well as compounds…”
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Antimicrobial Furoquinoline Alkaloids from Vepris lecomteana (Pierre) Cheek & T. Heller (Rutaceae) by Kouam, Ariane Dolly Kenmogne, Bissoue, Achille Nouga, Tcho, Alain Tadjong, Happi, Emmanuel Ngeufa, Waffo, Alain François Kamdem, Sewald, Norbert, Wansi, Jean Duplex

“…Three new prenylated furoquinoline alkaloids named lecomtequinoline A ( ), B ( ), and C ( ), together with the known compounds anhydroevoxine ( ), evoxine ( ),…”
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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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Chemical Constituents from Uapaca guineensis (Phyllanthaceae), and the Computational Validation of Their Antileishmanial and Anti-inflammatory Potencies by Mouthé Happi, Gervais, Towa Yimtchui, Mireille, Ahmed, Sikiru Akinyeye, Salau, Shina, Dzouemo, Liliane Clotilde, Sikam, Klev Gaïtan, Wansi, Jean Duplex

“…From the chemical investigations of the root bark of Uapaca guineensis, nine distinct compounds (1–9) have been isolated and characterized as lupeol, betulin,…”
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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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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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Yeast-Mediated Xanthone Synthesis through Oxidative Intramolecular Cyclization by Fromentin, Yann, Grellier, Philippe, Wansi, Jean Duplex, Lallemand, Marie-Christine, Buisson, Didier

“…Benzoylphloroglucinol derivatives are natural products showing diverse biological activities that could be modulated by structural modifications. For this…”
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New Triterpenoids from the Stem Barks of Drypetes tessmanniana by Dongfack, Marlise Diane Jiofack, Van-Dufat, Hanh Trinh, Lallemand, Marie-Christine, Wansi, Jean-Duplex, Seguin, Elisabeth, Tillequin, François, Wandji, Jean

“…The MeOH extract of the stem barks of Drypetes tessmanniana (Euphorbiaceae) afforded two new triterpene derivatives characterized as…”
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Specialized compounds of four Cameroonian spices: Isolation, characterization, and in silico evaluation as prospective SARS-CoV-2 inhibitors by Happi, Gervais Mouthé, Sikam, Klev Gaïtan, Ibrahim, Mahmoud A. A., Dzouemo, Liliane Clotilde, Kemayou, Guy-Paulin M., Keuteu, Praid Likane, Sidhom, Peter A., Sayed, Shaban R. M., Hegazy, Mohamed-Elamir F., Wansi, Jean Duplex

“…Since the emergency of coronavirus disease 2019, no specific drug has been developed within the fighting program against its spread. In Cameroon, it has been…”
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Afzeliixanthones A and B, Two New Prenylated Xanthones from Garcinia afzelii ENGL. (Guttiferae) by Waffo, Alain François Kamdem, Mulholland, Dulcie, Wansi, Jean Duplex, Mbaze, Luc Meva'a, Powo, Robert, Mpondo, Theophile Ngando, Fomum, Zacharias Tanee, König, Wilfried, Nkengfack, Augustin Ephrem

“…Two new prenylated xanthones, afzeliixanthones A (1) and B (2), together with three known xanthones (3—5) and two phytosterols, β-sitosterol and stigmasterol,…”
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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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Comparative metabolomic study between African and Amazonian Symphonia globulifera by tandem LC–HRMS by Cottet, Kévin, Kouloura, Eirini, Kritsanida, Marina, Wansi, Jean-Duplex, Odonne, Guillaume, Michel, Sylvie, Halabalaki, Maria, Lallemand, Marie-Christine

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Welwitschiilactone A, B and C, three new 30-norfriedelane triterpenes from the roots of Caloncoba welwitschii (Oliv.) Gilg (Achariaceae) by Keugwa, Chimène Victoire Tchamadeu, Songue, Jules Lobe, Tcho, Alain Tadjong, Waffo, Alain François Kamdem, Wansi, Jean Duplex, Ndom, Jean Claude

“…[Display omitted] •Caloncoba welwitschii, is widely used as traditional medicine in Central Africa.•Three new 30-norfriedelane triterpenoids were isolated from…”
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Bioactive Constituents of the Stem Bark of Beilschmiedia zenkeri by Lenta, Bruno Ndjakou, Tantangmo, Ferdinand, Devkota, Krishna Prasad, Wansi, Jean Duplex, Chouna, Jean Rodolphe, Soh, Rene Cosme Fongang, Neumann, Beate, Stammler, Hans-Georg, Tsamo, Etienne, Sewald, Norbert

“…Phytochemical investigation of the stem bark of Beilschmiedia zenkeri led to the isolation of four new methoxylated flavonoid derivatives,…”
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Beilschglabrines A and B: Two new bioactive phenanthrene alkaloids from the stem bark of Beilschmiedia glabra by Salleh, Wan Mohd Nuzul Hakimi Wan, Ahmad, Farediah, Khong, Heng Yen, Zulkifli, Razauden Mohamed, Chen, Jih-Jung, Nahar, Lutfun, Wansi, Jean Duplex, Sarker, Satyajit Dey

“…Two new phenanthrene alkaloids, beilschglabrines A (1) and B (2) were isolated from the stem bark of Beilschmiedia glabra, together with lupeol, taraxerol, and…”
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