Modified Labdane Diterpenes from Amphiachyris amoena

Two new modified labdane diterpenes, amoenolide L [1] and amoenolide M [2] with a 3-(p-hydroxyphenyl)propionate ester unit, were isolated from the above-ground parts of Amphiachyris amoena. Their stereochemical structures were assigned by spectral methods including uv, ir, fabms, and one- and two-di...

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Bibliographic Details
Published in:Journal of natural products (Washington, D.C.) D.C.), 1995-02, Vol.58 (2), p.209-216
Main Authors: Pcolinski, Michael J, O'Mathúna, Dónal P, Doskotch, Raymond W
Format: Article
Language:English
Subjects:
Diterpenes - chemistry
Diterpenes - isolation & purification
Magnetic Resonance Spectroscopy
Naphthols - chemistry
Naphthols - isolation & purification
Plants, Medicinal - chemistry
Spectrometry, Mass, Fast Atom Bombardment
Spectrophotometry, Infrared
Spectrophotometry, Ultraviolet
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Summary:Two new modified labdane diterpenes, amoenolide L [1] and amoenolide M [2] with a 3-(p-hydroxyphenyl)propionate ester unit, were isolated from the above-ground parts of Amphiachyris amoena. Their stereochemical structures were assigned by spectral methods including uv, ir, fabms, and one- and two-dimensional high field 1H- and 13C-nmr. Properties of their acetate derivatives are also recorded.
ISSN:0163-3864
1520-6025
DOI:10.1021/np50116a008