We are grateful for financial support from the International Cooperative Biodiversity Groups(ICBG),a program of the Fogarty International Centre of the National Institutes of Health(NIH),USA through grant(no TW00327)a...We are grateful for financial support from the International Cooperative Biodiversity Groups(ICBG),a program of the Fogarty International Centre of the National Institutes of Health(NIH),USA through grant(no TW00327)awarded to Professor S.M.N.Efange and Medicines for Malaria Venture(MMV),Geneva,Switzerland.The US Fulbright Council for International Exchange of Scholars(CIES)is acknowledged for grant to Kennedy D.Nyongbela to carry-out research at the University of Minnesota.We wish to thank M.Campbell and A.Powell from the Centre for Drug Candidate Optimisation(CDCO),Monash University for the DMPK data.Fidele Ntie-Kang is currently a Georg Forster fellow of the Alexander von Humboldt Foundation,Germany.We are equally grateful to Schro¨dinger Inc.for the academic license to use the QikProp software.展开更多
A novel isoflavone–chromone flavonoid C–O–C dimmer,brevipedicelone D(1),along with one new C–O–C biflavonoid derivative,brevipedicelone E(2),were isolated from the ethyl acetate extract of the leaves of Garcinia ...A novel isoflavone–chromone flavonoid C–O–C dimmer,brevipedicelone D(1),along with one new C–O–C biflavonoid derivative,brevipedicelone E(2),were isolated from the ethyl acetate extract of the leaves of Garcinia brevipedicellata,a medicinal plant used in folk medicine in parts of Cameroon.Their structures were elucidated by extensive spectroscopic techniques,including 1D-and 2D-NMR,MS experiments,as well as comparing their spectral data with those of known analogues.Anti-onchocercal screening of 1 showed moderate inhibition of adult worm motility of Onchocerca ochengi by 60%at the highest concentration(20 μg/mL)and inhibited motility of both the juvenile worms of O.ochengi and Loa loa by 90%at this same concentration.展开更多
基金the International Cooperative Biodiversity Groups(ICBG),a program of the Fogarty International Centre of the National Institutes of Health(NIH),USA through grant(no TW00327)awarded to Professor S.M.N.Efange and Medicines for Malaria Venture(MMV)Geneva,Switzerland.The US Fulbright Council for International Exchange of Scholars(CIES)is acknowledged for grant to Kennedy D.Nyongbela to carry-out research at the University of Minnesota.
文摘We are grateful for financial support from the International Cooperative Biodiversity Groups(ICBG),a program of the Fogarty International Centre of the National Institutes of Health(NIH),USA through grant(no TW00327)awarded to Professor S.M.N.Efange and Medicines for Malaria Venture(MMV),Geneva,Switzerland.The US Fulbright Council for International Exchange of Scholars(CIES)is acknowledged for grant to Kennedy D.Nyongbela to carry-out research at the University of Minnesota.We wish to thank M.Campbell and A.Powell from the Centre for Drug Candidate Optimisation(CDCO),Monash University for the DMPK data.Fidele Ntie-Kang is currently a Georg Forster fellow of the Alexander von Humboldt Foundation,Germany.We are equally grateful to Schro¨dinger Inc.for the academic license to use the QikProp software.
基金Mirabel Akongwi gratefully acknowledges sup-port by the ministry of higher education of Cameroon(MINESUP)for financial support.
文摘A novel isoflavone–chromone flavonoid C–O–C dimmer,brevipedicelone D(1),along with one new C–O–C biflavonoid derivative,brevipedicelone E(2),were isolated from the ethyl acetate extract of the leaves of Garcinia brevipedicellata,a medicinal plant used in folk medicine in parts of Cameroon.Their structures were elucidated by extensive spectroscopic techniques,including 1D-and 2D-NMR,MS experiments,as well as comparing their spectral data with those of known analogues.Anti-onchocercal screening of 1 showed moderate inhibition of adult worm motility of Onchocerca ochengi by 60%at the highest concentration(20 μg/mL)and inhibited motility of both the juvenile worms of O.ochengi and Loa loa by 90%at this same concentration.
