Triterpenoids and steroids from Excoecaria agallocha / 中国中药杂志
China Journal of Chinese Materia Medica
; (24): 405-408, 2008.
Article
in Zh
| WPRIM
| ID: wpr-324272
Responsible library:
WPRO
ABSTRACT
<p><b>OBJECTIVE</b>To study the chemical constituents of Excoecaria agallocha L.</p><p><b>METHOD</b>The constituents were isolated and purified by repeated column chromatography and their structures were elucidated by spectroscopic analysis.</p><p><b>RESULT</b>Six triterpenoids including taraxerone (1), beta-amyrin acetate (2), 3beta-[(2E,4E)-6-oxo-decadienoyloxy]-olean-12-ene (3), taraxerol (4), acetylaleuritolic acid (5), and cycloart-22-ene-3beta, 25-diol (6), and three steroids including beta-sitostenone (7), (24R)-24-ethylcholesta-4,22-dien-3-one (8), and beta-sitosterol (9) were isolated and identified from the stems and twigs of the mangrove plant E. agallocha.</p><p><b>CONCLUSION</b>Compounds 5-8 were isolated from E. agallocha for the first time.</p>
Full text:
1
Index:
WPRIM
Main subject:
Oleanolic Acid
/
Sitosterols
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Steroids
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Triterpenes
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Magnetic Resonance Spectroscopy
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Chemistry
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Euphorbiaceae
Language:
Zh
Journal:
China Journal of Chinese Materia Medica
Year:
2008
Type:
Article