Journal
JOURNAL OF CHEMICAL RESEARCH
Volume -, Issue 2, Pages 114-117Publisher
SCIENCE REVIEWS 2000 LTD
DOI: 10.3184/030823410X12658949561706
Keywords
Celastrus monospermus; new friedelane triterpene; 3-oxo-11 beta-hydroxyfriedelane; 2D NMR
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Funding
- Bureau of Science and Technology of Zhongshan Municipality, Guangdong, P. R. China [2007J006]
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A new friedelane type triterpene, 3-oxo-11 beta-hydroxyfriedelane, named as monospermol, was isolated from the roots of Celastrus monospermus Roxb.(Celastraceae) along with seven known compounds friedelin, 3,12-dioxofriedelane, 3-oxo-28-hydroxyfriedelane, 3-oxo-12 alpha-hydroxyfriedelane, beta-sitosterol, pristimerin and celastrol. Structural formula and the stereochemistry of the new friedelane type triterpene 1 were established through (1)H NMR and (13)C NMR spectral data including 2D experiments (HMBC, HSQC, (1)H-(1)H COSY and NOESY) and high resolution mass spectrometry.
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