Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Kenneth Oben Eyong"'
Autor:
Mariam Aseng Conde, Divine Mbom Yufanyi, Kenneth Oben Eyong, Rajamony Jagan, Amah Colette Benedicta Yuoh, Moise O. Agwara
Publikováno v:
International Journal of Inorganic Chemistry. 2015:1-8
A novel one-dimensional coordination polymer bis(2-aminopyridine)-μ-bis(dicyanamido) cobaltate(II) has been synthesized and characterized by elemental analyses and infrared and ultraviolet visible spectroscopies and the structure has been determined
Publikováno v:
Medicinal Chemistry Research. 24:965-969
Through bioassay-guided fractionation, 13 compounds (1–13) were isolated from the CH2Cl2/MeOH (1:1) extracts of the root bark of Newbouldialeavis and characterized mainly by NMR and X-ray spectroscopy. Among these, nine quinone derivatives (1–7,
Autor:
A. E. Nkengfack, Victor Kuete, Jacqueline Chevalier, Jean Gustave Tangmouo, Gabriel N. Folefoc, Kenneth Oben Eyong, Sandrine Alibert-Franco, Bathelemy Ngameni, Justin Komguem, Jean Robert Nguemeving, Jean-Michel Bolla, Ghislain W. Fotso, Bonaventure T. Ngadjui, B. M. W. Ouahouo, Jean-Marie Pagès
Publikováno v:
International Journal of Antimicrobial Agents
International Journal of Antimicrobial Agents, Elsevier, 2011, 37 (2), pp.156. ⟨10.1016/j.ijantimicag.2010.10.020⟩
International Journal of Antimicrobial Agents, Elsevier, 2011, 37 (2), pp.156. ⟨10.1016/j.ijantimicag.2010.10.020⟩
International audience; The present study assessed the antimicrobial activities of various natural products belonging to the terpenoids, alkaloids and phenolics against a collection of Gram-negative multidrug-resistant (MDR) bacteria. The results dem
Autor:
Véronique Penlap Beng, Salem Ramadan Sarite, Victor Kuete, Hidayat Hussain, Augustin Ephram Nkengfack, Achim Hoerauf, Kenneth Oben Eyong, Michael Saeftel, Karsten Krohn, Gabriel N. Folefoc
Publikováno v:
Phytochemistry. 67:605-609
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 newbouldiaquinone A ( 1 ) together with 14 known comp
Autor:
Ghansenyuy, Salome, Kenneth Oben, Eyong, Yemback, Pierre, de Paul Nzuwah, Nziko Vincent, Shaiq, Ali Muhammad, Gabriel Ngosong., Folefoc, Samantha, Davis, Jenna, Tobin, Parker, Haleigh, Joseph, Taube
Publikováno v:
The Natural Products Journal; 2024, Vol. 14 Issue: 4
Autor:
Kenneth Oben Eyong, Gabriel N. Folefoc, Victor Kuete, Pierre Tane, Benjamin Krusche, Thomas Efferth, Hippolyte K. Wabo, Benjamin Wiench, Michel T. Feussi
Publikováno v:
PLoS ONE, Vol 6, Iss 8, p e21762 (2011)
PLoS ONE
PLoS ONE
BACKGROUND: Natural products are well recognized as sources of drugs in several human ailments. In the present work, we carried out a preliminary screening of six natural compounds, xanthone V(1) (1); 2-acetylfuro-1,4-naphthoquinone (2); physcion (3)
Autor:
Sundarababu Baskaran, Ephriam A. Nkengfack, Gabriel N. Folefoc, Victor Kuete, Ponminor Senthil Kumar, Kenneth Oben Eyong
Publikováno v:
ChemInform. 40
Ozonolysis of lapachol (1), resulting in an unusual formation of a potent antitumor agent 2-acetylfuranonaphthoquinone (3) along with the expected aldehyde 6, is described. The reaction of lapachol (1) with CAN in dry acetonitrile leading to biologic
Autor:
Victor Kuete, Kenneth Oben Eyong, Ponminor Senthil Kumar, Gabriel N. Folefoc, Sundarababu Baskaran, Ephriam A. Nkengfack
Publikováno v:
IndraStra Global.
Ozonolysis of lapachol (1), resulting in an unusual formation of a potent antitumor agent 2-acetylfuranonaphthoquinone (3) along with the expected aldehyde 6, is described. The reaction of lapachol (1) with CAN in dry acetonitrile leading to biologic
Autor:
Hidayat Hussain, Qunxiu Hu, Kenneth Oben Eyong, A. E. Nkengfack, Gabriel N. Folefoc, Karsten Krohn, Barbara Schulz
Publikováno v:
ChemInform. 36
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 (3), canthic acid, oleanolic acid, 2-methyl-9,10-an