Zobrazeno 1 - 10
of 206
pro vyhledávání: '"Berhanu M Abegaz"'
Publikováno v:
ARKIVOC, Vol 2007, Iss 9, Pp 1-5 (2006)
Externí odkaz:
https://doaj.org/article/88002c62f4734749a13ad0b2c60f7eae
Autor:
Viktor V. Zhdankin
Publikováno v:
ARKIVOC, Vol 2007, Iss 9, Pp 1-5 (2006)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc82ea729446088575ee4d07546e2985
https://doi.org/10.3998/ark.5550190.0008.901
https://doi.org/10.3998/ark.5550190.0008.901
Autor:
Bathélémy Ngameni, Ramesh Patnam, Pascal Sonna, Bonaventure T. Ngadjui, René Roy, Berhanu M. Abegaz
Publikováno v:
ARKIVOC, Vol 2008, Iss 6, Pp 152-159 (2008)
Externí odkaz:
https://doaj.org/article/029bd1e506e8493385a043e1e971ac07
Publikováno v:
Bulletin of the Chemical Society of Ethiopia, Vol 21, Iss 2, Pp 189-204 (2007)
The electrochemical behaviour of Geshoidin was investigated at a glassy carbon electrode in mixtures of citric acid and di-sodium hydrogen orthophosphate aqueous buffer system over a wide pH range (pH 2-11) using cyclic voltammetry. Chemically irreve
Externí odkaz:
https://doaj.org/article/d24c43042bf54f1da1207874edc794c7
Autor:
Bonaventure T. Ngadjui, Herve M.P. Poumale, Alphonsine N. Guedem, Merhatibeb Bezabih, Berhanu M. Abegaz
Publikováno v:
Bulletin of the Chemical Society of Ethiopia, Vol 21, Iss 1, Pp 89-94 (2007)
Two novel diterpenoids, thecacorins A (1) and B (2), were isolated from Thecacoris batesii and their structures were established as ent-3β,20-epoxy-16-kaurene-3αα,12β-diol and ent-15-beyerene-2β,3β-diol, respectively, on the basis of extensive
Externí odkaz:
https://doaj.org/article/87d071277a324028a31d8762d85acd5e
Autor:
Ian Tietjen, Fidele Ntie-Kang, Philip Mwimanzi, Pascal Amoa Onguéné, Margaret A Scull, Thomas Oyebode Idowu, Abiodun Oguntuga Ogundaini, Luc Mbaze Meva'a, Berhanu M Abegaz, Charles M Rice, Kerstin Andrae-Marobela, Mark A Brockman, Zabrina L Brumme, David Fedida
Publikováno v:
PLoS ONE, Vol 10, Iss 4, p e0121099 (2015)
The continued burden of HIV in resource-limited regions such as parts of sub-Saharan Africa, combined with adverse effects and potential risks of resistance to existing antiretroviral therapies, emphasize the need to identify new HIV inhibitors. Here
Externí odkaz:
https://doaj.org/article/b91ee5438af0424b8ce2e79377ca7d95
Autor:
Dieudonne Ngamga, Emmanuel Yankep, Pierre Tane, Merhatibeb Bezabih, Bonaventure T. Ngadjui, Z. Tanee Fomum, Berhanu M. Abegaz
Publikováno v:
Bulletin of the Chemical Society of Ethiopia, Vol 19, Iss 1, Pp 75-80 (2005)
Two new prenylated isoflavonoids, namely 7-methoxyebenosin and griffonianone E along with the known calopogonium isoflavone B and 7,2'-dimethoxy-4',5'-methylenedioxy isoflavone were isolated from the seeds of Millettia griffoniana. Their structures w
Externí odkaz:
https://doaj.org/article/2f7f5121ca8a412d8026980b7e7af729
Publikováno v:
Bulletin of the Chemical Society of Ethiopia, Vol 16, Iss 2, Pp 157-163 (2002)
Investigation of the aerial parts of Dorstenia ciliata yielded two new prenylated flavones named ciliatins A and B and characterized as 6,7-(2’’-isopropenyldihydrofurano)-5,4’-dihydroxyflavone and 6,5-(2,2-dimethyldihydropyrano)-7,4’-dihydrox
Externí odkaz:
https://doaj.org/article/8f88d16ea3ab4341acdae41d3d3037d6
Autor:
Fidele Ntie-Kang, Pascal Amoa Onguéné, Ghislain W Fotso, Kerstin Andrae-Marobela, Merhatibeb Bezabih, Jean Claude Ndom, Bonaventure T Ngadjui, Abiodun O Ogundaini, Berhanu M Abegaz, Luc Mbaze Meva'a
Publikováno v:
PLoS ONE, Vol 9, Iss 3, p e90655 (2014)
BACKGROUND: Natural products play a key role in drug discovery programs, both serving as drugs and as templates for the synthesis of drugs, even though the quantities and availabilities of samples for screening are often limitted. EXPERIMENTAL APPROA
Externí odkaz:
https://doaj.org/article/344722ca87b044abb1c15e003ba5155b
Publikováno v:
Bulletin of the Chemical Society of Ethiopia, Vol 14, Iss 2, Pp 155-159 (2000)
The seeds of Canarium schweinfurthii yielded a new phenylpropanoid, schweinfurthinol, characterized as 1-(4-hydroxyphenyl)-2,3-dihydroxypropan-1-one. p-hydroxy-benzaldehyde, p-hydroxybenzoic acid, 3-(4-hydroxyphenyl)-prop-2-enal (p-hydroxycinnam- ald
Externí odkaz:
https://doaj.org/article/41d389f3c70843e98774b916b8340078