Prenylated indole alkaloids from the stem bark of Hexalobus monopetalus

Prenylated indole alkaloids from the stem bark of Hexalobus monopetalus

Seven new prenylated indole alkaloids (1-7) together with two known compounds (8-9) were isolated from the stem bark of Hexalobus monopetalus. Their structures were established on the basis of comprehensive spectroscopic analysis, including HR-MS, 1D and 2D NMR and by comparison of their spectral da...

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Veröffentlicht in:Phytochemistry letters 2016-06, Vol.16, p.108-114
Hauptverfasser: Mireku, Evelyn Afua, Mensah, Merlin L.K., Mensah, Abraham Yeboah
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Mensah, Abraham Yeboah
description Seven new prenylated indole alkaloids (1-7) together with two known compounds (8-9) were isolated from the stem bark of Hexalobus monopetalus. Their structures were established on the basis of comprehensive spectroscopic analysis, including HR-MS, 1D and 2D NMR and by comparison of their spectral data with those reported in literature. The new compounds were tested for antimicrobial activity against selected pathogenic bacteria and fungi but showed no activity. The marked presence of prenylated indole alkaloids in Hexalobus and closely related genera makes them useful chemotaxonomic markers.
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title Prenylated indole alkaloids from the stem bark of Hexalobus monopetalus
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