Show simple item record Abegaz, B.M. Ngadjui, B.T. Dongo, E. Ngameni, B. Nindi, M.N. Bezabih, M. 2008-10-27T10:17:12Z 2008-10-27T10:17:12Z 2002
dc.identifier.citation Abegaz, B.M. et al (2002), Chalcones and other constituents of Dorstenia prorepens and Dorstenia zenkeri, Phytochemistry, vol. 59, pp. 877–883 en
dc.identifier.issn 0031-9422
dc.description.abstract The twigs of Dorstenia prorepens furnished the digeranylated chalcone, 5,30-(3,7-dimethyl-2,6-octadienyl)-3,4, 20,40-tetrahydroxychalcone while Dorstenia zenkeri yielded the 30,40-(3-hydroxy-2,2-dimethyldihydropyrano)-4,20-dihydroxychalcone and a bichalcone. 4-Hydroxylonchocarpin was found in both plants. D. prorepens also yielded the known compounds: psoralen, bergapten, b-sitosterol and its D-glucopyranosyl derivative. D. zenkeri yielded p-hydroxybenzaldehyde, dorsmanin A, 4,20,40-trihydroxychalcone and 4,20,40-trihydroxy-30-prenylchalcone. Structures of the new compounds were established by UV, IR, MS and 2-D NMR analysis. en
dc.language.iso en en
dc.publisher Elsevier Science Ltd. en
dc.subject Dorstenia prorepens en
dc.subject Dorstenia zenkeri en
dc.subject Moraceae en
dc.subject Twigs en
dc.subject Leaves en
dc.subject Isolation en
dc.subject Geranylated chalcone en
dc.subject Prorepensin en
dc.subject Bichalcone en
dc.subject Diels–Alder adduct en
dc.title Chalcones and other constituents of Dorstenia prorepens and Dorstenia zenkeri en
dc.type Article en

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