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Now showing items 11-18 of 18
Neo-clerodane diterpenes from Dodonaea angustifolia
(University of Nairobi, 2010)
Phytochemical investigation of the leaf surface exudate of Dodonaea angustifolia L.f. yielded two new neo-clerodane diterpenes, neo-clerodan-3,13-dien-16,15:18,19-diolide (mkapwanin) and 15-methoxy-neo-clerodan-3,13-dien ...
Pterocarpans and isoflavones from the root bark of millettia micans and of millettia dura
(University of Nairobi, 2016)
From the CH2Cl2/CH3OH (1:1) extract of the root bark of Millettia micans, a new pterocarpan,
(6aR,11aR)-7,8,9-trimethoxy-3-hydroxypterocarpan (1), named micanspterocarpan, was isolated. Similar
investigation of the ...
Antiplasmodial prenylated flavanonols from tephrosia subtriflora
(2017)
The CH2Cl2/MeOH (1:1) extract of the aerial parts of Tephrosia subtriflora afforded a new flavanonol, named subtriflavanonol (1), along with the known flavanone spinoflavanone B, and the known flavanonols MS-II (2) and ...
Cytotoxic benzylbenzofuran derivatives from Dorstenia kameruniana
(University of Nairobi, 2018)
Chromatographic separation of the extract of the roots of Dorstenia kameruniana (family Moraceae) led to the isolation of three new benzylbenzofuran derivatives, 2-(p-hydroxybenzyl)benzofuran-6-ol (1), 2-(p-hydroxybenzyl ...
Cytotoxic flavonoids from two Lonchocarpus species.
(University of Nairobi, 2018)
A new isoflavone, 4'-prenyloxyvigvexin A (1) and a new pterocarpan, (6aR,11aR)-3,8-dimethoxybitucarpin B (2) were isolated from the leaves of Lonchocarpus bussei and the stem bark of Lonchocarpus eriocalyx, respectively. ...
Three chalconoids and a pterocarpene from the roots of tephrosia aequilata.
(University of Nairobi, 2017)
In our search for new antiplasmodial agents, the CH₂Cl₂/CH₃OH (1:1) extract of the roots of Tephrosia aequilata was investigated, and observed to cause 100% mortality of the chloroquine-sensitive (3D7) strain of Plasmodium ...
Isoflavones and rotenoids from the leaves of millettia oblata ssp. Teitensis.
(University of Nairobi, 2017)
A new isoflavone, 8-prenylmilldrone (1), and four new rotenoids, oblarotenoids A-D (2-5), along with nine known compounds (6-14), were isolated from the CH2Cl2/CH3OH (1:1) extract of the leaves of Millettia oblata ssp. ...
Cytotoxic and antioxidant flemingins g-p from the leaves of flemingia grahamiana
(University of Nairobi, 2014)
The known flemingins A-C (1-3) and nine new chalcones, named flemingins G-O (4-12), along with deoxyhomoflemingin (13) and emodin (14) were isolated from a leaf extract of Flemingia grahamiana. The isolated chalcones were ...