Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Silvere Ngouela"'
Autor:
Silvere Ngouela, Guy Feuya, Jean C. Tchouankeu, Gaston Achoundong, Raymond B.T. Zambou, Etienne Tsamo, Joseph D. Connolly
Publikováno v:
Bulletin of the Chemical Society of Ethiopia, Vol 18, Iss 2, Pp 221-224 (2004)
A new lignan, meiocarpin, and the known compounds, sitosterol and polycarpol, have been isolated from the stem bark of Meiocarpidium lepidotum, Annonaceae. The structure of the new compound was elucidated on the basis of its spectroscopic data.
Externí odkaz:
https://doaj.org/article/737594c860354f60b40d81b2fbe2db37
Publikováno v:
Bulletin of the Chemical Society of Ethiopia, Vol 18, Iss 2, Pp 175-180 (2004)
A new prenylated pyranoxanthone, symphonin (1), 2-(3,3-dimethylallyl)-1,5- dihydroxy-6,7-dimethoxy-2”,2”-dimethylpyrano (5”,6”:3,4) xanthone, the known compounds guttiferone A, oleanolic acid and sitosterol were isolated from the methanol ext
Externí odkaz:
https://doaj.org/article/e6ef12b658a64590ae1f28363bec976b
Akademický článek
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Autor:
Romeo Desire T. Nago, James D. Simo Mpetga, Jean‐De‐Dieu Tamokou, Serge A. Tanemossu Fobofou, Gabin T. Mbahbou Bitchagno, Ludger A. Wessjohann, Mathieu Tene, Augustin Silvere Ngouela
Publikováno v:
Chemistrybiodiversity.
Purification through repeated column chromatography over silica gel and Sephadex LH-20 of the ethanol extract of the stems of Cissus aralioides (Baker) Planch. resulted in the isolation of a new ceramide, aralioidamide A (1), along with five known co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::119f549a6f15404a7cd556541b9e3298
https://pubmed.ncbi.nlm.nih.gov/36480444
https://pubmed.ncbi.nlm.nih.gov/36480444
Autor:
Augustin Silvere Ngouela, Pierre Tane, Till Opatz, Elise Vanessa N Temgoua, Blanche Laure Ndontsa, Gabin Thierry M. Bitchagno, Roukayatou Mbouangouere, Rolande Tsafack Nguemo, Roland T. Tchuenguem, James D. Simo Mpetga
Publikováno v:
Natural Product Research. 36:515-522
A new ceramide is being reported herein together with six known compounds from the methanol extract of the leaves of Lannea schimperi (Hochst. ex A.Rich.) Engl. The metabolites were obtained through repeated open column chromatography and were charac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f7a156c389d5c4e75c7f4476a19f1b0
https://doi.org/10.1080/14786419.2020.1789632
https://doi.org/10.1080/14786419.2020.1789632
Autor:
Gabin Thierry M, Bitchagno, Jean Garba, Koffi, Ingrid Konga, Simo, Donald Ulrich K, Kagho, Augustin Silvere, Ngouela, Bruno Ndjakou, Lenta, Norbert, Sewald
Publikováno v:
Molecules
A total of nine sesquiterpenoid lactones together with phenolic compounds and other terpenes were identified from the crude methanol extract of Elephantopus mollis Kunth. Compounds were isolated using different chromatographic techniques and their st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::1ef059013211297d81c5a63b8d3c01f3
https://pubmed.ncbi.nlm.nih.gov/34443397
https://pubmed.ncbi.nlm.nih.gov/34443397
Autor:
Rolande Tsafack, Nguemo, Roukayatou, Mbouangouere, Gabin Thierry M, Bitchagno, Roland, Tchuenguem, Elise Vanessa N, Temgoua, Blanche Laure, Ndontsa, James Simo, Mpetga, Till, Opatz, Augustin Silvere, Ngouela, Pierre, Tane
Publikováno v:
Natural product research. 36(2)
A new ceramide is being reported herein together with six known compounds from the methanol extract of the leaves of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::2803bf3453c75d1dba43737def892a9b
https://pubmed.ncbi.nlm.nih.gov/32627596
https://pubmed.ncbi.nlm.nih.gov/32627596
Publikováno v:
Lead Molecules from Natural Products; 2006, p273-298, 26p, 35 Diagrams, 3 Charts
Autor:
Diderot, Noungoue Tchamo, Silvere, Ngouela, Yashin, Amsha, Zareen, Seema, Fabien, Zelefack, Etienne, Tsamo, Choudhary, M. Iqbal
Publikováno v:
Bioscience, Biotechnology & Biochemistry; Sep2005, Vol. 69 Issue 9, p1763-1766, 4p, 1 Chart, 1 Graph
Gossweilone: A new podocarpane derivative from the stem bark of Drypetes gossweileri (Euphorbiaceae)
Publikováno v:
Bulletin of the Chemical Society of Ethiopia, Vol 17, Iss 2, Pp 181-184 (2003)
A new podocarpane diterpenoid, named gossweilone (1), has been isolated from the stem bark of Drypetes gossweileri, along with two known friedelane triterpenoids. The structure of the new compound was elucidated using spectroscopic methods.
Externí odkaz:
https://doaj.org/article/c5a47ad294c94195b3d920e2d897f757