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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemistry
Diarylheptanoid glucosides from Pyrostria major and their antiprotozoal activities
European Journal of Organic Chemistry, No. 5, Year 2012
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Description
Eight new diarylheptanoid glucosides 1-8 have been isolated from the leaves of Pyrostria major (A. Rich & DC.) Cavaco [syn. Canthium major (A. Rich & DC.)] Cavaco. Their structures were determined by 1D and 2D NMR spectroscopic and HRMS analyses. The absolute configurations of the diarylheptanoids 1-4 were determined to be 3S and 5S by the application of the CD exciton chirality method to the corresponding 3,5-bis(p-bromobenzoyl) (1-3) and 3,5-bis(p-dimethylaminobenzoyl) (4) derivatives. Their antiparasitic activities against Plasmodium falciparum, Leishmania donovani (amastigote forms), and Trypanosoma brucei (trypomastigote bloodstream forms) as well as their cytotoxic activities against the HL-60, KB, and MRC5 cell lines of naturally occurring diarylheptanoid glucosides and their derivatives are reported. A story of serendipity: biologically inactive natural diarylheptanoid glucosides have been isolated from Pyrostria major. Their absolute configurations were determined to be 3S and 5S by the application of the CD exciton chirality method to the corresponding benzoyl derivatives. The study led to the discovery of new compounds possessing selective antiprotozoal activity. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Authors & Co-Authors
Beniddir, Mehdi A.
France, Gif-sur-yvette
Institut de Chimie Des Substances Naturelles
Gréllier, Philippe
France, Paris
Museum National D'histoire Naturelle
Rasoanaivo, Philippe
Madagascar, Antananarivo
Institut Malgache de Recherches Appliquees Antananarivo
Loiseau, Philippe Marie
France, Chatenay-malabry
Biomolécules : Conception, Isolement, Synthèse
Bories, Christian
France, Chatenay-malabry
Biomolécules : Conception, Isolement, Synthèse
Dumontet, Vincent
France, Gif-sur-yvette
Institut de Chimie Des Substances Naturelles
Guéritte, Françoise
France, Gif-sur-yvette
Institut de Chimie Des Substances Naturelles
Litaudon, Marc
France, Gif-sur-yvette
Institut de Chimie Des Substances Naturelles
Statistics
Citations: 17
Authors: 8
Affiliations: 4
Identifiers
Doi:
10.1002/ejoc.201101414
ISSN:
1434193X