A dimeric iridoid from loasa acerifolia

Reinvestigation of leaf material from Loasa acerifolia Dombey led to the isolation of secoxyloganin and an additional novel dimeric iridoid glucoside named asaolaside. The latter consists of a secoxyloganin moiety esterified to the 7-hydroxy group of sylvestroside IV. The structure of asaolaside was...

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Bibliographic Details
Published in:Phytochemistry (Oxford) 1998-11, Vol.49 (6), p.1705-1707
Main Authors: Müller, Andreas A, Kufer, Johanna K, Dietl, Karin G, Weigend, Maximilian
Format: Article
Language:English
Subjects:
acerifolioside
asaolaside
Biological and medical sciences
chemical constituents of plants
Chemical constitution
chemical structure
Fundamental and applied biological sciences. Psychology
glucosides
iridoid glucosides
iridoids
leaves
Loasa acerifolia
Loasaceae
loganic acid
loganin
nuclear magnetic resonance spectroscopy
Plant physiology and development
secoiridoid glucosides
secoxyloganin
spectral analysis
tricoloroside methyl ester
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Summary:Reinvestigation of leaf material from Loasa acerifolia Dombey led to the isolation of secoxyloganin and an additional novel dimeric iridoid glucoside named asaolaside. The latter consists of a secoxyloganin moiety esterified to the 7-hydroxy group of sylvestroside IV. The structure of asaolaside was established by 1D and 2D NMR ( 1H 1H COSY, HMQC, HMBC) and FABMS experiments.
ISSN:0031-9422
1873-3700
DOI:10.1016/S0031-9422(98)00194-0