α-Pyrones and a 2(5H)-furanone from Hyptis pectinata

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 2003 English Publisher:Elsevier BVJournal:Phytochemistry, volume 64, pages 1,303-1,307 (issn: 0031-9422,

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Authors: Dionne M, Boalino; Joseph D, Connolly; Stewart, McLean; William F, Reynolds; Winston F, Tinto;

doi: 10.1016/j.phytochem.2003.08.017

pmid: 14599529

α-Pyrones and a 2(5H)-furanone from Hyptis pectinata

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Abstract

Three pyrones and a 2(5H)-furanone, designated pectinolides D-G, have been isolated from the dichloromethane extract of Hyptis pectinata. The metabolites were characterized on the basis of 1D and 2D NMR spectroscopic techniques. The pyrones were identified as 6S-[3S,6S-(diacetoxy)-5R-hydroxy-1Z-heptenyl]-5S-hydroxy-5,6-dihydro-2H-pyran-2-one (1)- pectinolide D, 6S-[3S,5R,6S-(triacetoxy)-1Z-heptenyl]-5S-acetoxy-5,6-dihydro-2H-pyran-2-one (2)- pectinolide E and 6S-[3S,5R,6S-(triacetoxy)-1Z-heptenyl]-5S-acetoxy-4R-methoxy-3,4,5,6-tetrahydro-4H pyran-2-one (3)- pectinolide F. The furanone was identified as [2'Z,5(1')Z] 5-(4'S,6'R,7'S-triacetoxy-2-octenylidene)-2(5H)-furanone (4)-pectinolide G.

Related Organizations

University of Toronto
Canada
University of the West Indies System
Jamaica
University of Glasgow
United Kingdom
University of the West Indies
Barbados

Keywords

Molecular Structure, Pyrones, Hyptis, Stereoisomerism, Plant Components, Aerial, Furans, Nuclear Magnetic Resonance, Biomolecular

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