Absolute configuration of α-pyrones from Cryptocarya latifolia and Syncolostemon densiflorus

The stereochemical structures of two α-pyrones previously isolated from Cryptocarya latifolia have been shown to be 6 R-[2 R,4 S,6 S-(triacetoxy)-heptyl]-5,6-dihydro-2 H-pyran-2-one and 6 R-[2 S,4 S-(diacetoxy)-pentyl]-5,6-dihydro-2 H-pyran-2-one. Syndenolide from Syncolostemon densiflorus is 6 R-[5...

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Bibliographic Details
Published in:Phytochemistry (Oxford) 1997-03, Vol.44 (5), p.935-938
Main Authors: Collett, Lynne A., Davies-Coleman, Michael T., Rivett, Douglas E.A., Drewes, Siegfried E., Horn, Marion M.
Format: Article
Language:English
Subjects:
Biological and medical sciences
Chemical constitution
Fundamental and applied biological sciences. Psychology
Plant physiology and development
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Summary:The stereochemical structures of two α-pyrones previously isolated from Cryptocarya latifolia have been shown to be 6 R-[2 R,4 S,6 S-(triacetoxy)-heptyl]-5,6-dihydro-2 H-pyran-2-one and 6 R-[2 S,4 S-(diacetoxy)-pentyl]-5,6-dihydro-2 H-pyran-2-one. Syndenolide from Syncolostemon densiflorus is 6 R-[5 S-(acetoxy)-1 R,2 R,3 S-(trihydroxy)-heptyl]-5,6-dihydro-2 H-pyran-2-one.
ISSN:0031-9422
1873-3700
DOI:10.1016/S0031-9422(96)00643-7