[Chemical constituents in the stem of Premna crassa Hand. -Mazz].
In this paper four compounds isolated from the stem of Premna crassa are described. Their structures have been identified as friedelin, epifriedelanol, stearic acid and beta-sitosterol respectively by comparing their chemical and spectroscopic data with those of the authentic samples.
Wei
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Department of Pharmacy, Guangxi College of Traditional Chinese Medicine, Nanning.
Si
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Xu
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D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D009828:Oleanolic Acid / Q000031:analogs & derivatives / Q000302:isolation & purification; D012855:Sitosterols / Q000302:isolation & purification; D013229:Stearic Acids / Q000302:isolation & purification; D014315:Triterpenes / Q000302:isolation & purification; D000094042:Lupanes
D004365:Drugs, Chinese Herbal; D009828:Oleanolic Acid; D012855:Sitosterols; D013229:Stearic Acids; D014315:Triterpenes; C031183:stearic acid; C055670:friedelinol; C025473:gamma-sitosterol; C060796:friedelin; D000094042:Lupanes