J
Jean Duplex Wansi
Researcher at University of Douala
Publications - 84
Citations - 864
Jean Duplex Wansi is an academic researcher from University of Douala. The author has contributed to research in topics: Chemistry & Medicine. The author has an hindex of 14, co-authored 67 publications receiving 645 citations. Previous affiliations of Jean Duplex Wansi include Bielefeld University & Liverpool John Moores University.
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Journal ArticleDOI
α-Glucosidase inhibitory pentacyclic triterpenes from the stem bark of Fagara tessmannii (Rutaceae)
Luc Meva'a Mbaze,Herve M. P. Poumale,Herve M. P. Poumale,Jean Duplex Wansi,Jean Alexandre Lado,Shamsun Nahar Khan,Muhammad Choudhary Iqbal,Bonaventure T. Ngadjui,Hartmut Laatsch +8 more
TL;DR: In addition to fatty acids, a mixture of sterols, lupeol, arctigenin methylether, sesamin, vanillic acid, 2,6-dimethoxy-1,4-benzoquinone, betulinic acid and two pentacyclic triterpene acetates were isolated from Fagara tessmannii Engl.
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α-Glucosidase inhibitory constituents from stem bark of Terminalia superba (Combretaceae)
Jean Duplex Wansi,Marie-Christine Lallemand,David Daco Chiozem,Flavien A. A. Toze,Luc Meva'a Mbaze,Shamsun Naharkhan,Muhammad Choudhary Iqbal,François Tillequin,Jean Wandji,Zacharias Tanee Fomum +9 more
TL;DR: The CH(2)Cl(2)/CH(3)OH (1/1) extract of the dried stem bark of Terminalia superba afforded two compounds, (7S,8R, 7'R,8'S)-4'-hydroxy-4-methoxy-7,7'-epoxylignan and meso-(rel 7S, 8R,7'R-8' S)-4,4'-dimethoxy
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Alpha-glucosidase inhibitory and antioxidant acridone alkaloids from the stem bark of Oriciopsis glaberrima ENGL. (Rutaceae).
Jean Duplex Wansi,Jean Wandji,Luc Mbaze Meva’a,Alain François Kamdem Waffo,Rose Ranjit,Shamsun Nahar Khan,Azaz Asma,Choudhary Muhammad Iqbal,Marie-Christine Lallemand,François Tillequin,Zacharias Fomum Tanee +10 more
TL;DR: The CH2Cl2/MeOH extract of the stem bark of Oriciopsis glaberrima ENGL. afforded four new acridone alkaloids namely oriciacridone C, D, E and F along with six known compounds: atalaphyllidine, oleanolic acid, butulinic acid, beta-sitosterol, stigmasterol, glucoside of stig masterol and one synthetically known acridones: 1,3,5-trihydroxy-4-prenylacridone as mentioned in this paper
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Antimicrobial Furoquinoline Alkaloids from Vepris lecomteana (Pierre) Cheek & T. Heller (Rutaceae).
Ariane Dolly Kenmogne Kouam,Achille Nouga Bissoue,Alain Tadjong Tcho,Emmanuel Ngeufa Happi,Alain François Kamdem Waffo,Norbert Sewald,Jean Duplex Wansi +6 more
TL;DR: Three new prenylated furoquinoline alkaloids named lecomtequinoline A, B, and C are isolated by bioassay-guided fractionation of the methanolic extracts of leaves and stem of Vepris lecomeana, suggesting synergistic effect.
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Antiplasmodial activities of furoquinoline alkaloids from Teclea afzelii.
Jean Duplex Wansi,Hidayat Hussain,Alain Tadjong Tcho,Simeon F. Kouam,Sabine Specht,Salem Ramadan Sarite,Achim Hoerauf,Karsten Krohn +7 more
TL;DR: The antimalarial activity of compounds 1–4 against Plasmodium falciparum in vitro shows partial suppression of parasitic growth.