Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Michel Feussi Tala"'
Publikováno v:
Natural Products and Bioprospecting, Vol 7, Iss 3, Pp 269-273 (2017)
Abstract In the 1H NMR-guided fractionation of extracts from the edible mushroom Lactarius deliciosus, two new azulene-type sesquiterpenoids, 7-isopropenyl-4-methyl-azulene-1-carboxylic acid (1) and 15-hydroxy-3,6-dihydrolactarazulene (2), together w
Externí odkaz:
https://doaj.org/article/fe7aca9313204e6ea90959feb29b2ab7
Publikováno v:
Journal of Analytical Methods in Chemistry, Vol 2018 (2018)
This study deals with the ecology, phytochemistry, and biological activity investigation of Euphorbia retusa, belonging to Euphorbiaceae family, obtained from Egypt. Ecologically, Euphorbia retusa secretes white sap inhibiting the growth of the other
Externí odkaz:
https://doaj.org/article/e8e660cbf0c3433c9eee40e3c582900d
Autor:
Michel Feussi Tala, Hartmut Laatsch, Xavier Siwe Noundou, Jean Emmanuel Mbosso Teinkela, Anatole Guy Blaise Azebaze, Juliette Catherine Vardamides, Ahri Bernie Djamen Mbeunkeu, Rui W. M. Krause
Publikováno v:
Phytochemistry Letters. 27:1-8
Phytochemical investigation of the methanol extracts of the twigs of Manniophyton fulvum has led to the isolation and characterization of three new pentacyclic triterpenoids, designated as 3α,28-dihydroxyfriedelan-1-one (1), manniotaraxerol A (3) an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd62e5cd9d0725fb5e86f317b1e5e0f4
https://doi.org/10.1016/j.phytol.2018.06.019
https://doi.org/10.1016/j.phytol.2018.06.019
Autor:
Jean de dieu Dongmo, Philippe Belle Ebanda Kedi, Juliette Catherine Vardamides, Anatole Guy Blaise Azebaze, Michel Feussi Tala, Carine Mvot Akak, Hartmut Laatsch
Publikováno v:
Zeitschrift für Naturforschung B. 73:539-543
Phytochemical investigation of the stem bark of Diospyros longiflora yielded longiflorol (1), a new bergenin α-d-apioside, together with bergenin (2) and five known compounds: lupeol (S1), betulin (S2), betulinic acid (S3), stigmasterol (S4) and sti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::212efc7c7e08779fcd41dcff35799a76
https://doi.org/10.1515/znb-2018-0019
https://doi.org/10.1515/znb-2018-0019
Autor:
Birger Dittrich, Aymeric Monteillier, Joséphine Ngo Mbing, Daniel Mombers, Michael Rütten, Joseph Thierry Ndongo, Hartmut Laatsch, Michel Feussi Tala, Dieudonné Emmanuel Pegnyemb, Muriel Cuendet
Publikováno v:
Journal of Natural Products, Vol. 81, No 5 (2018) pp. 1193-1202
Three new alkaloids, janetinine (1a), pleiokomenine A (2), and huncaniterine B (3a), and 13 known compounds, pleiomutinine (3b), huncaniterine A (3c), 1-carbomethoxy-β-carboline (4), evoxanthine (5), deformyltalbotine acid lactone (6), pleiocarpamin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::890eba81d5bfa0a6436e09d26d1186c6
https://doi.org/10.1021/acs.jnatprod.7b00958
https://doi.org/10.1021/acs.jnatprod.7b00958
Autor:
M.W.R. Ansary, T.K. Kowa, Tofazzal Islam, Michel Feussi Tala, Ferdinand Mouafo Talontsi, Pierre Tane
Publikováno v:
South African Journal of Botany. 115:1-4
Many secondary metabolites derived from Rumex extracts exhibited potent activities against a panel of phytopathogens including those of Phytophthora spp. Phytochemical investigation of Rumex abyssinicus has led to the isolation of nine compounds, inc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df7cb2885c84a5d9409a57db84b65fb2
https://doi.org/10.1016/j.sajb.2017.11.015
https://doi.org/10.1016/j.sajb.2017.11.015
Autor:
Hermann Marius Feumo Feusso, Hartmut Laatsch, Anatole Guy Blaise Azebaze, Juliette Catherine Vardamides, Carine Mvot Akak, Michel Feussi Tala
Publikováno v:
Biochemical Systematics and Ecology. 74:51-56
A new dimeric ent-kaurane diterpene, mannic acid (1), and 19 known compounds were isolated from the methanol extract of the stems, roots and leaves of Diospyros mannii Hiern (Ebenaceae). Their structures were established by NMR and MS data. This is t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d8c7313ad4af75d0f5f193fcf9f7315
https://doi.org/10.1016/j.bse.2017.09.001
https://doi.org/10.1016/j.bse.2017.09.001
Autor:
Hartmut Laatsch, Jean Duplex Wansi, Anatole Guy Blaise Azebaze, Alain Francois Kamdem Wafo, Charlie Kenmoe Djeukeu, Michel Feussi Tala, Carine Mvot Akak, Juliette Catherine Vardamides
Publikováno v:
Planta Medica International Open. 4:e104-e107
A new highly oxidized tetranortriterpenoid, named mayombensin (1), was isolated from the twigs of Guarea mayombensis together with five known compounds and, further, two ceramides, 3,4-dimethyl-secotirucalla-4(28),7,24-trien-3,21-dioic acid (3), the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::633fbbfa8dda84f35d590eac1eb67ceb
https://doi.org/10.1055/s-0043-120070
https://doi.org/10.1055/s-0043-120070
Publikováno v:
Natural Products and Bioprospecting
Natural Products and Bioprospecting, Vol 7, Iss 3, Pp 269-273 (2017)
Natural Products and Bioprospecting, Vol 7, Iss 3, Pp 269-273 (2017)
In the 1H NMR-guided fractionation of extracts from the edible mushroom Lactarius deliciosus, two new azulene-type sesquiterpenoids, 7-isopropenyl-4-methyl-azulene-1-carboxylic acid (1) and 15-hydroxy-3,6-dihydrolactarazulene (2), together with seven
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37aa53d442d9fd88297ac99cadc9cee1
https://doi.org/10.1007/s13659-017-0130-1
https://doi.org/10.1007/s13659-017-0130-1
Autor:
Hartmut Laatsch, Humaira Naureen, Michel Feussi Tala, Mohamed Shaaban, Anja Schüffler, Khaled A. Shaaban
Publikováno v:
Zeitschrift für Naturforschung B. 72:175-182
Three new bioactive metabolites, 1,6-dihydroxy- 2-methyl-heptan-4-one (1), 4-hydroxy-1-(2-methyl-oxiranyl)- pentan-2-one (2), and 2-(2-hydroxy-propyl)-4-methylfuran- 3-carboxylic acid amide (3) were isolated from the terrestrial Streptomyces sp. isol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f32b3baba26ef3998c546624cdb9324
https://doi.org/10.1515/znb-2016-0202
https://doi.org/10.1515/znb-2016-0202