dc.contributor.author | Yenesew, Abiy | |
dc.contributor.author | Midiwo, Jacob O | |
dc.contributor.author | Heydenreich, Matthias | |
dc.contributor.author | Peter, Martin G | |
dc.date.accessioned | 2013-06-17T14:50:15Z | |
dc.date.available | 2013-06-17T14:50:15Z | |
dc.date.issued | 1998-09-03 | |
dc.identifier.citation | Phytochemistry Volume 49, Issue 1, 3 September 1998, Pages 247–249 | en |
dc.identifier.uri | http://www.sciencedirect.com/science/article/pii/S0031942297008807 | |
dc.identifier.uri | http://erepository.uonbi.ac.ke:8080/xmlui/handle/123456789/35104 | |
dc.description.abstract | From the stem bark of Erythrina sacleuxii four new isoflavones were isolated and characterized as 5,7-dihydroxy-2′,4′,5′-trimethoxyisoflavone (trivial name, 7-demethylrobustigenin), 5,7-dihydroxy-4′-methoxy3′-(3-methylbut-2-enyl)isoflavone [3′-(3-methylbut-2-enyl)biochanin A], 5,7,3′-trihydroxy-4′-methoxy-5′-(3-methylbut-2-enyl)isoflavone [5′-(3-methylbut-2-enyl)pratensein] and 5,7,3′-trihydroxy-4′-methoxy-5′-formylisoflavone (5′-formylpratensein). The structures were determined on the basis of spectroscopic evidence. | en |
dc.language.iso | en | en |
dc.publisher | University of Nairobi | en |
dc.subject | Erythrina sacleuxii;Leguminosae;stem bark;isoflavones;7-demethylrobustigenin;3′-(3-methylbut-2-enyl)biochanin A;5′-(3-methylbut-2-enyl)pratensein;5′-formylpratensein | en |
dc.title | Four isoflavones from the stem bark of erythrina sacleuxii | en |
dc.type | Article | en |
local.publisher | Department of Chemistry, University of Nairobi | en |