Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Denis Kehdinga Sema"'
Autor:
Gaëlle Talle Juidzou, Elodie Gisèle Mouafo Anoumedem, Denis Kehdinga Sema, Virginie Flaure Tsague Tankeu, Peron Bosco Leutcha, Larissa Yetendje Chimi, Jean Paul Dzoyem, Simeon Kouam Fogue, Norbert Sewald, M. Iqbal Choudhary, Alain Meli Lannang
Publikováno v:
Journal of Chemistry, Vol 2023 (2023)
A new unsaturated aliphatic anhydride derivative (Z)-(12Z)-heptadec-12-enoic-2′-hydroxypropanoic anhydride (1) and ten known compounds, three flavonoids (2–4), two terphenyllins (5-6), four triterpenoids (7-8, 10-11), and one n-fatty acid (9), we
Externí odkaz:
https://doaj.org/article/189f636668544ba4952d88abc02d760d
Autor:
Bosco Peron Leutcha, Jean Paul Dzoyem, Jean-Bosco Jouda, Denis Kehdinga Sema, Virginie Flaure Tsague Tankeu, Gabin Thierry Mbahbou Bitchagno, Billy Toussie Tchegnitegni, Flaure Rosette Ehawa Essoung, Bruno Ndjakou Lenta, Siméon Fogue Kouam, Florence Delie, Alain Meli Lannang, Norbert Sewald
Publikováno v:
Molecules, Vol 27, Iss 15, p 4823 (2022)
Twenty-two compounds were isolated from the fruit of Albizia lebbeck including one unprecedented, rare amino acid-derived zwitterionic and one new flavone derivative. The isolation was performed on repeated column chromatography over silica gel and t
Externí odkaz:
https://doaj.org/article/fe2e92e6d8c8421ba5104ace20697d26
Autor:
Sewald, Bosco Peron Leutcha, Jean Paul Dzoyem, Jean-Bosco Jouda, Denis Kehdinga Sema, Virginie Flaure Tsague Tankeu, Gabin Thierry Mbahbou Bitchagno, Billy Toussie Tchegnitegni, Flaure Rosette Ehawa Essoung, Bruno Ndjakou Lenta, Siméon Fogue Kouam, Florence Delie, Alain Meli Lannang, Norbert
Publikováno v:
Molecules; Volume 27; Issue 15; Pages: 4823
Twenty-two compounds were isolated from the fruit of Albizia lebbeck including one unprecedented, rare amino acid-derived zwitterionic and one new flavone derivative. The isolation was performed on repeated column chromatography over silica gel and t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::c9f84a0b60bf0a6f53b3d7435328ab8a
Autor:
Hycienth Fung Tegha, Jean Paul Dzoyem, Jean-Bosco Jouda, Eric Allémann, Bosco Peron Leutcha, Alain Meli Lannang, Norbert Sewald, Florence Delie, Denis Kehdinga Sema, Yoshihito Shiono
From the crude extract of the plant-associated fungus Xylaria sp. collected in Cameroon, a new 2 H-chromene derivative, hexacycloxylariolone (1), and a new polyalcohol, xylatriol (2), were isolated, in addition to 3 known compounds, 2,3-furandiol (3)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb8a0e4fc433ff00f97d83ab5ee206a5
https://pub.uni-bielefeld.de/record/2951307
https://pub.uni-bielefeld.de/record/2951307
Autor:
Bosco Peron, Leutcha, Denis Kehdinga, Sema, Jean Paul, Dzoyem, Godfred Aponglen, Ayimele, Kennedy D, Nyongbela, Florence, Delie, Éric, Alléman, Norbert, Sewald, Alain, Meli Lannang
Publikováno v:
Natural product research. 35(22)
One new tirucallan derivative, leutcharic acid (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::5f12a3df74978f3e970a4d8c8052f46e
https://pubmed.ncbi.nlm.nih.gov/32011174
https://pubmed.ncbi.nlm.nih.gov/32011174
Autor:
Jean Paul Dzoyem, Denis Kehdinga Sema, Éric Alléman, Bosco Peron Leutcha, Godfred A. Ayimele, Kennedy D. Nyongbela, Norbert Sewald, Florence Delie, Alain Meli Lannang
Publikováno v:
Natural Product Research (2020) pp. 1-6
One new tirucallan derivative, leutcharic acid (1) was isolated from Stereospermum acuminatissimum stem bark together with the known compounds 3-oxo-22-hydroxyhopane (2), 3,4-secotirucalla-4(28),7,24-trien-3,21-dioic acid (3), 3-oxotirucalla-7,24-die
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a037dec687cf336c7be450ebc0dbb95b
Autor:
Benoît Loura, Virginie Flaure Tsague Tankeu, Patrick Akono Ntonga, Denis Kehdinga Sema, Simplice J. N. Tatsimo, Jean Duplex Wansi, Alain Meli Lannang, Norbert Sewald, Jean-Bosco Jouda, Simeon Kouam Fogue, Yoshihito Shiono
Publikováno v:
Natural Product Communications. 15:1934578X2097762
One new polyketide derivative, heptacyclosordarianone (1), together with 2 known compounds, heptacyclosordariolone (2) and sordariol (3), were isolated from an extract of Sordaria sp. AM-71, an endophytic fungus inhabiting Garcinia polyantha. The str
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49a9d464a80e0ab69305ba1adc600035
https://doi.org/10.1177/1934578x20977622
https://doi.org/10.1177/1934578x20977622
Autor:
Denis Kehdinga Sema, Yoshihito Shiono, Norbert Sewald, Simplice J. N. Tatsimo, Jean Duplex Wansi, Hycienth Fung Tegha, V F Tsague Tankeu, Alain Meli Lannang
One new depsidone, polyanthadepsidone A (1), together with four known compounds were isolated from the dichloromethane extract of the leaves of Garcinia polyantha. The structures of all compounds were determined by comprehensive analyses of their 1D
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b604a4cac0ddf10c150f3abf6192c010
https://pub.uni-bielefeld.de/record/2919089
https://pub.uni-bielefeld.de/record/2919089
Autor:
M. Iqbal Choudhary, Jean Duplex Wansi, Urooj Iqbal, Denis Kehdinga Sema, Mujeeb-Ur-Rehman, Norbert Sewald, Simplice J. N. Tatsimo, Sammer Yousuf, Alain Meli Lannang, Denis Zoufou
Two new (1-2) and eight known (3-10) secondary metabolites were isolated from the rhizomes of Kniphofia reflexa Hutchinson ex Codd. Among them, an indane derivative kniphofiarindane (1), and naphthalene derivative kniphofiarexine (2), were identified
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04b5163b1c4e8f7432dc27b092e850f2
https://doi.org/10.1016/j.phytol.2018.05.025
https://doi.org/10.1016/j.phytol.2018.05.025