Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Gervais M. Happi"'
Autor:
Bel Youssouf G. Mountessou, Alexis Sylvain W. Mbobda, Hans-Georg Stammler, Eric O. Akintemi, Maraf B. Mbah, Gervais M. Happi, Simeon F. Kouam, Bruno N. Lenta, Norbert Sewald, Thishana Singh, Ibrahim N. Mbouombouo
Publikováno v:
Journal of Molecular Structure. 1282:135185
Costunolide, a naturally occurring sesquiterpene lactone, was investigated experimentally and theoret-ically to determine the structural, electronic, spectroscopic, and chemical reactivity properties. As de-duced from a single crystal X-ray diffracti
Autor:
Jean Claude Tchouankeu, Alexis Sylvain W. Mbobda, Muhammad Ali, Alain Wembe Ngouonpe, Ostend K. Tatuedom, Marius Mbiantcha, Simeon F. Kouam, Gervais M. Happi, Mehreen Lateef
Publikováno v:
Biochemical Systematics and Ecology. 83:22-25
The phytochemical investigation of the ethyl acetate soluble fraction of Duguetia staudtii stem bark led to the isolation of eight compounds consisting into a new bisnorlignan named pachypolignan (1), a known bisnorlignan (2), four flavonoids (3–6)
Autor:
Guy Paulin M, Kemayou, Gervais M, Happi, Yvan Anderson T, Ngandjui, Jean Claude, Tchouankeu, Norbert, Sewald, Muhammad S, Ali, Simeon F, Kouam
Publikováno v:
Natural product research. 35(21)
Senegalin (
Publikováno v:
Journal of Pharmacy and Pharmacology. 70:1431-1460
Objectives For centuries, the genus Entandrophragma (Meliaceae), endemic to Africa, has been used in traditional medicine for the treatment of several illnesses. This review deals with large range of phytochemicals from the genus Entandrophragma and
Autor:
Sebastian Zühlke, Céline Nguefeu Nkenfou, Ferdinand Mouafo Talontsi, Frida Longo, Gervais M. Happi, Michael Spiteller, Clovis Douanla-Meli, Simeon F. Kouam
Publikováno v:
Zeitschrift für Naturforschung B. 70:625-630
A new dimeric naphtho-γ-pyrone, 2-hydroxydihydronigerone (1), along with five compounds, nigerone (2), pyrophen (3), kojic acid (4), 4-(hydroxymethyl)-5-hydroxy-2H-pyran-2-one (5), and p-hydroxyphenylacetic acid (6), was isolated from an endophytic
Autor:
Sebastian Zühlke, Michael Spiteller, Ferdinand Mouafo Talontsi, Marc Lamshöft, Gervais M. Happi, Simeon F. Kouam
Publikováno v:
Fitoterapia. 102:35-40
Two new tirucallane-type triterpenoids were isolated from the bark of Entandrophragma congoënse (Meliaceae) along with five known compounds gladoral A, bipendensin, 4-hydroxymethyl-3,5-dimethyldihydrofuran-2(3H)-one, scopoletin and 5,7-dimethoxy-6-h
Autor:
Clovis Douanla-Meli, Simeon F. Kouam, Ferdinand Mouafo Talontsi, Sebastian Zuehlke, Gervais M. Happi, Céline Nguefeu Nkenfou, Frida Longo, Michael Spiteller
Publikováno v:
ChemInform. 47
Autor:
Sebastian Zühlke, Gervais M. Happi, Ferdinand Mouafo Talontsi, Jonathan O. Bauer, Marc Lamshöft, Carsten Strohmann, Simeon F. Kouam, Michael Spiteller
Publikováno v:
Journal of natural products. 78(4)
Eight new triterpenoids, prototiamins A-G (1-6, 9) and seco-tiaminic acid A (10), were isolated along with four known compounds from the bark of Entandrophragma congoense. Their structures were elucidated by means of HRMS and different NMR techniques