Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Alain Tadjong, Tcho"'
Autor:
Willifred Dongmo Tekapi Tsopgni, Flaure Rosette Ehawa Essoung, Phalonne Makam Kuetche, Anatole Guy Blaise Azebaze, Mbah James Ajeck, Alain Lannang Meli, Norbert Sewald, Jean Duplex Wansi, Alain Francois Kamdem Waffo, Alain Tadjong Tcho
Publikováno v:
Natural Product Research. :1-11
The chemical investigation of the methanolic root extract of Flacourtia vogelii led to the isolation of a new arylbenzoate derivative, vogelinal (1), together with thirteen known compounds (2–14). The structures of the isolates were elucidated by e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5bfad5233ee7aec687546c78fc4ade1
https://doi.org/10.1080/14786419.2023.2177287
https://doi.org/10.1080/14786419.2023.2177287
Autor:
Lidwine Ngah, Willifred Dongmo Tékapi Tsopgni, Judith Caroline Ngo Nyobe, Alain Tadjong Tcho, Moses K. Langat, Jean Claude Ndom, Eduard Mas-Claret, Nicholas John Sadgrove, Alain François Kamdem Waffo, Methee Phumthum
Publikováno v:
Antibiotics, Vol 11, Iss 1, p 121 (2022)
A chemical investigation of the leaves of Tabernaemontana inconspicua Stapf. led to the isolation of a new phenylpropanol derivative, namely irisdichototin G (1), together with nine known compounds, including one polyol derivative, dambonitol (2); th
Externí odkaz:
https://doaj.org/article/1433b3cf54074e03b6a0ff6eb200102e
Autor:
Alain Tadjong Tcho, Samira A. Mohamed, Silvère Augustin Ngouela, Ahmed Hassanali, Bruno Ndjakou Lenta, Russell J. Cox, Sumesh C. Chhabra, Etienne Tsamo, Flaure Rosette Ehawa Essoung, Brice M. Mba’ning
Publikováno v:
Natural Product Research. 35:5681-5691
Methanolic extracts of liana of Caesalpinia welwitschiana and leaves of C. bonduc were found to possess moderate antifeedant and ovicidal activities against Tuta absoluta. Bioassay-guided isolation of constituents from the most active fraction of C.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37638e9b7ff44353c760317a640b7f76
https://doi.org/10.1080/14786419.2020.1825424
https://doi.org/10.1080/14786419.2020.1825424
Autor:
Lidwine, Ngah, Willifred Dongmo Tékapi, Tsopgni, Judith Caroline Ngo, Nyobe, Alain Tadjong, Tcho, Moses K, Langat, Jean Claude, Ndom, Eduard, Mas-Claret, Nicholas John, Sadgrove, Alain François Kamdem, Waffo, Methee, Phumthum
Publikováno v:
Antibiotics
A chemical investigation of the leaves of Tabernaemontana inconspicua Stapf. led to the isolation of a new phenylpropanol derivative, namely irisdichototin G (1), together with nine known compounds, including one polyol derivative, dambonitol (2); th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::f13eec7ee8147489bc45c533757ebbb8
https://pubmed.ncbi.nlm.nih.gov/35052998
https://pubmed.ncbi.nlm.nih.gov/35052998
Autor:
Ariane Dolly Kenmogne Kouam, Achille Nouga Bissoue, Alain Tadjong Tcho, Emmanuel Ngeufa Happi, Alain François Kamdem Waffo, Norbert Sewald, Jean Duplex Wansi
Publikováno v:
Molecules, Vol 23, Iss 1, p 13 (2017)
Three new prenylated furoquinoline alkaloids named lecomtequinoline A (1), B (2), and C (3), together with the known compounds anhydroevoxine (4), evoxine (5), dictamnine (6), N-methylflindersine (7), evoxanthine (8), hesperidin, lupeol, β-sitostero
Externí odkaz:
https://doaj.org/article/795bbcd93da449d1af9ab624690cead6
Publikováno v:
Phytochemistry. 200:113242
The triterpenes represent one of the most reported subclasses of specialized metabolites from the plant kingdom. They play a key role in the protection of plants and their metabolism in addition to displaying a high structural diversity and large sca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::75d6b26fd4c9ca79186830b5bf2bda71
https://doi.org/10.1016/j.phytochem.2022.113242
https://doi.org/10.1016/j.phytochem.2022.113242
Autor:
Flaure Rosette Ehawa, Essoung, Brice Mitterant, Mba'ning, Alain Tadjong, Tcho, Sumesh Chander, Chhabra, Samira Abuelgasim, Mohamed, Bruno Ndjakou, Lenta, Silvere Augustin, Ngouela, Etienne, Tsamo, Ahmed, Hassanali, Russell John, Cox
Publikováno v:
Natural product research. 35(24)
Methanolic extracts of liana of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::6c73fd638bbb649b92a2d7c9bae20518
https://pubmed.ncbi.nlm.nih.gov/32985266
https://pubmed.ncbi.nlm.nih.gov/32985266
Autor:
Jean Duplex Wansi, Jean Claude Ndom, Chimène Victoire Tchamadeu Keugwa, Alain François Kamdem Waffo, Jules Lobe Songue, Alain Tadjong Tcho
Publikováno v:
Phytochemistry Letters. 27:15-19
Three new 30-norfriedelane triterpenoids named, 3β,21β-dihydroxy-27-oxo-30-nor-(D:A)-friedo-olean-20(29)-en-27,19α-lactone (welwitschiilactone A) (1), 21β-hydroxy-3,27-dioxo-30-nor-(D:A)-friedo-olean-20(29)-en-27,19α-lactone (welwitschiilactone
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51331f21be7dbdcca5c40a5cfc3da9e0
https://doi.org/10.1016/j.phytol.2018.06.011
https://doi.org/10.1016/j.phytol.2018.06.011
Autor:
Satyajit D. Sarker, Flavien A. A. Toze, Alain Tadjong Tcho, Jean Duplex Wansi, Lutfun Nahar, Claire Martin
Publikováno v:
Phytochemistry Letters. 17:293-298
Two new alkaloids, poggeicridone (1) and 2-methoxy-7,8- dehydroruteacarpine (6), together with nine known compounds, were isolated from the dichloromethane (DCM) extract of the bark of Zanthoxylum poggei (Engl.) P. G. Waterman. The structures of all
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d20abea78ea7b9020151538e61d4650
https://doi.org/10.1016/j.phytol.2016.08.010
https://doi.org/10.1016/j.phytol.2016.08.010
Autor:
Hans-Georg Stammler, Jean Duplex Wansi, Jovita Chi Sirri, Jean Wandji, Norbert Sewald, Emmanuel Ngeufa Happi, Beate Neumann, Alain Tadjong Tcho
Publikováno v:
Phytochemistry Letters. 5:423-426
Two new tirucallane triterpenoids, 21-methoxy-21,23-epoxy-tirucalla-7,24-dien-3 alpha-ol (1) and 21-methoxy-21,23-epoxy-tirucalla-7,24-diene-1 alpha,3 alpha-diol (2), together with thirteen known compounds were isolated from the CH2Cl2 extract of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a74f64155716b2b12dbaa51882f1d0b4
https://doi.org/10.1016/j.phytol.2012.03.014
https://doi.org/10.1016/j.phytol.2012.03.014