Zobrazeno 1 - 10
of 107
pro vyhledávání: '"Ephrem Nkengfack A"'
Autor:
Patrice Kenfack Tsobnang, Armelle Tsamo Tontsa, Pierre Mkounga, Augustin Ephrem Nkengfack, Ignas Tonlé Kenfack
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 74, Iss 8, Pp 1083-1086 (2018)
The title limonoid compound, C26H28O5·0.5H2O (TS3) [systematic name: (3aS,3bS,4aS,5aS,6S,7aR,8aR,8bS,11aR)-6-(furan-3-yl)-3a,5a,8b,11a-tetramethyl-3a,4a,5,5a,6,7,7a,8b,11,11a-decahydrooxireno[2′,3′:4b,5]oxireno[2′′,3′′:2′,3′]cyclopen
Externí odkaz:
https://doaj.org/article/505e29d9fc7e41f58404d54d4843f771
Autor:
Emmanuel Mfotie Njoya, Aristide Mfifen Munvera, Pierre Mkounga, Augustin Ephrem Nkengfack, Lyndy Joy McGaw
Publikováno v:
BMC Complementary and Alternative Medicine, Vol 17, Iss 1, Pp 1-9 (2017)
Abstract Background Free radicals have been implicated in the pathogenesis of diverse metabolic disorders including cancer. Therefore, fighting against free radicals has become an important strategy in the prevention or treatment of such diseases, in
Externí odkaz:
https://doaj.org/article/bc8841fa726742eab02d623d3c4d147e
Autor:
Eric Carly Nono Nono, Jean Paul Tsopmejio, Jean Momeni, Tsopjio Francine Nkouam, Jean Pierre Abdou, Mouhamat Iqbal Choudhary, Augustin Ephrem Nkengfack
Publikováno v:
Natural Product Research. :1-9
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30ce9bd3a29ba81db365e1447d6673b0
https://doi.org/10.1080/14786419.2022.2051706
https://doi.org/10.1080/14786419.2022.2051706
Autor:
Hermia Nalova Ikome, Alfred Ngenge Tamfu, Jean Pierre Abdou, Hugues Fouotsa, Pamela Kemda Nangmo, Fidèle Castro Weyepe Lah, Alembert Tiabou Tchinda, Ozgur Ceylan, Michel Frederich, Augustin Ephrem Nkengfack
Publikováno v:
Applied Biochemistry and Biotechnology.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f7eafd4d61c587821e0230503d7eb54
https://doi.org/10.1007/s12010-023-04380-6
https://doi.org/10.1007/s12010-023-04380-6
Autor:
Pierre Mkounga, Jean-François Gallard, Véronique Fontaine, Zhiyu Zhou, Karine Leblanc, Jérôme Vanheuverzwijn, Pierre Le Pogam, Somia Rharrabti, Augustin Ephrem Nkengfack, Mehdi A. Beniddir, Franck Meyer, Alain Meli Lannang, Erwan Poupon, Hugues Fouotsa
Publikováno v:
Organic & Biomolecular Chemistry
Organic & Biomolecular Chemistry, 2021, 20 (1), pp.98-105. ⟨10.1039/d1ob01791h⟩
Organic & Biomolecular Chemistry, 2021, 20 (1), pp.98-105. ⟨10.1039/d1ob01791h⟩
A new vobasine–tryptamine-based monoterpene indole alkaloid pseudodimer was isolated from the stem bark of Voacanga africana. As a minor constituent occurring in a thoroughly investigated plant, this molecule was targeted based on a molecular netwo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c645d32a33526c87ab72a8dd63f838f7
https://doi.org/10.1039/d1ob01791h
https://doi.org/10.1039/d1ob01791h
Autor:
Michel Arnaud Mbock, Raceline Gounoue Kamkumo, Rohit Shukla, William Feudjou Fouatio, Patrick Valère Tsouh Fokou, Florence Ngueguim Tsofack, Clarice Djouwoug Noussi, Rodrigue Fifen, Augustin Ephrem Nkengfack, Tiratha Raj Singh, Bruno Lenta Ndjakou, Norbert Sewald, Fabrice Fekam Boyom, Jean Justin Essia Ngang, Onana Boyomo, Theophile Dimo
ETHNOPHARMACOLOGICAL RELEVANCE: Detarium microcarpum is used to treat typhoid fever, a major public health problem, by indigenous population in Africa. Though its preventive activities have been documented, the curative effect is still to be confirme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cdafd57714b9e31c182ad8ef1ede0215
https://doi.org/10.1016/j.jep.2023.116209
https://doi.org/10.1016/j.jep.2023.116209
Autor:
Aristide Mfifen Munvera, Tamfu Alfred Ngenge, Blandine Marlyse Wache Ouahouo, Selcuk Kucukaydin, Jean Noel Nyemb, Marcelle Aude Fokam Mafo, Emar Carlain Djappa Tchapo, Pierre Mkounga, Augustin Ephrem Nkengfack
From Rinorea oblongifolia fruits, 3-Nor-4β-friedelan-24-ol (1) and 3-decyl-6,7,8-trimethoxy-2H,5H-furo[4,3,2-de]isochromene-2,5-dione (4), new derivatives alongside, 28-hydroxyfriedelan-3-one (2), friedelin (3), 3,3’,4,4’,5’-pentamethylcoruleo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::30d874343ccefc6de5e50f285dc96ed9
Autor:
Moses K. Langat, Pierre Mkounga, Alain François Kamdem Waffo, Armelle Tontsa Tsamo, Augustin Ephrem Nkengfack, Edwige P. Fodja Saah
Publikováno v:
Zeitschrift für Naturforschung B. 76:475-480
Chemical investigation of the roots of Trichilia welwitschii yielded a cycloartane type terpenoid 28,29-bis-norcycloart-24-en-3β,4α,6α-triol (1), isolated as pure compound for the first time, three coumarins and three sterols. New cycloartane deri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ca8bc5d9b4e3de911126f791aa558a4
https://doi.org/10.1515/znb-2021-0060
https://doi.org/10.1515/znb-2021-0060
Autor:
Wagner Vilegas, Lourdes Campaner dos Santos, Augustin Ephrem Nkengfack, Clenilson Martins Rodrigues, Viviane Candida da Silva, Viviane Raïssa Sipowo Tala
Publikováno v:
Molecules, Vol 18, Iss 3, Pp 2803-2820 (2013)
The present study investigates the chemical composition of the African plant Parkia biglobosa (Fabaceae) roots and barks by Liquid Chromatography - Electrospray Ionization and Direct Injection Tandem Mass Spectrometry analysis. Mass spectral data ind
Externí odkaz:
https://doaj.org/article/1191079ce9234897a832211fde730d5a
Autor:
G Edwards, Pierre Mkounga, Pamela Kemda Nangmo, Irene Chinda Kengne, Jean De Dieu Tamokou, Joseph Tsemeugne, Emmanuel Fondjo Sopbue, Augustin Ephrem Nkengfack
Publikováno v:
Heterocyclic Communications, Vol 27, Iss 1, Pp 79-89 (2021)
In this study, a series of azobenzothiazole dyes 4 were synthesized via diazotization of substituted benzothiazole derivatives followed by azo coupling with acetaminophen. The chemical structures of all synthesized compounds were confirmed using anal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::308f4d97949049b1e5f571048e46c489
https://doi.org/10.1515/hc-2020-0127
https://doi.org/10.1515/hc-2020-0127