Isolation and structure determination of triterpenes from Iris tectorum

Two triterpenes iritectol A ( 1) and iritectol B ( 2), together with known compounds, have been isolated from rhizomes of Iris tectorum Maxim. Four iridal-type triterpenoids, two of which were new compounds, have been isolated from rhizomes of Iris tectorum Maxim. Their structures were determined by...

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Bibliographic Details
Published in:Phytochemistry (Oxford) 2007-05, Vol.68 (9), p.1242-1247
Main Authors: Fang, Rui, Houghton, Peter J., Luo, Chong, Hylands, Peter J.
Format: Article
Language:English
Subjects:
Biological and medical sciences
Chemical constitution
chemical structure
Fundamental and applied biological sciences. Psychology
Iridaceae
Iris (Iridaceae)
Iris Plant - chemistry
Iris tectorum
iritectol
medicinal plants
Molecular Structure
Oriental traditional medicine
Plant physiology and development
Rhizome
spectral analysis
stereochemistry
Traditional Chinese Medicine
Triterpene
Triterpenes - chemistry
Triterpenes - isolation & purification
triterpenoids
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Summary:Two triterpenes iritectol A ( 1) and iritectol B ( 2), together with known compounds, have been isolated from rhizomes of Iris tectorum Maxim. Four iridal-type triterpenoids, two of which were new compounds, have been isolated from rhizomes of Iris tectorum Maxim. Their structures were determined by 1D and 2D NMR spectroscopy and ESI-MS spectrometry. The compounds were identified as the iritectols A and B, and the known iridobelamal A and isoiridogermanal. The presence of epoxide and tetrahydrofuran functions are not common in previously isolated iridal-type triterpenoids.
ISSN:0031-9422
1873-3700
DOI:10.1016/j.phytochem.2007.02.018