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dc.contributor.authorNgadjui, B.
dc.contributor.authorWatchueng, J.
dc.contributor.authorKeumedjio, F.
dc.contributor.authorNgameni, B.
dc.contributor.authorSimo, I.
dc.contributor.authorAbegaz, B.
dc.date.accessioned2008-10-27T10:14:12Z
dc.date.available2008-10-27T10:14:12Z
dc.date.issued2004
dc.identifier.citationNgadjui, B.T. et al (2004) Prenylated chalcones, flavone and other constituents of the twigs of Dorstenia angusticornis and Dorstenia barteri var. subtriangularis, Phytochemistry, 65 (4), pp. 427-432en
dc.identifier.issn0031-9422
dc.identifier.urihttp://hdl.handle.net/10311/253
dc.description.abstractThe twigs of Dorstenia angusticornis and Dorstenia barteri var. subtriangularis yielded 16 compounds. Two novel diprenylated chalcones: 3,50-di-(2-hydroxy-3-methylbut-3-enyl)-4,20,40-trihydroxychalcone, 3, 4-(2,2-dimethylpyrano)-30-(2-hydroxy-3-methylbut- 3-enyl)-20,40-dihydroxychalcone and the known stipulin were isolated from both species. 3-(2-Hydroxy-3-methylbut-3-enyl)- 50-(3,3-dimethylallyl)-4,20,40-trihydroxychalcone and the known compounds: 4-hydroxylonchocarpin, kanzonol B, bartericins A, B, C and 30-(2-hydroxy -3-methylbut-3-enyl)-4,20,40-trihydroxychalcone were isolated from D. barteri while the known compounds: gancaonin Q, paratocarpins C, F, and lupeol were obtained from Dorstenia angusticornis. b-Sitosterol and its b-D-glucopyranoside were isolated from both species. Structures of these secondary metabolites were established using spectroscopic analysis, especially, NMR spectra in conjunction with 2D experiments, COSY, HMQC and HMBC.en
dc.language.isoenen
dc.publisherElsevier Ltd. www.elsevier.com/locate/phytochemen
dc.subjectBartericins A-Den
dc.subjectDorstenia angusticornisen
dc.subjectDorstenia barteri var. subtriangularisen
dc.subjectMoraceaeen
dc.subjectTwigsen
dc.subjectIsolationen
dc.subjectPrenylated chalconesen
dc.subjectAngusticorninsen
dc.titlePrenylated chalcones, flavone and other constituents of the twigs of Dorstenia angusticornis and Dorstenia barteri var. subtriangularisen
dc.typeArticleen


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