New axane and oppositane sesquiterpenes from Teclea nobilis.

Department of Pharmacognosy, College of Pharmacy, P.O. Box 2457, King Saud University, Riyadh 11451, Saudi Arabia.
Journal of Natural Products (Impact Factor: 3.8). 10/2002; 65(9):1374-6.
Source: PubMed


Two new isomeric axane and oppositane sesquiterpene derivatives, named teclenone A (1) and teclenone B (2), were isolated from the aerial parts of Teclea nobilis. Their structures have been established on the basis of (1)H and (13)C NMR spectral data, notably 2D NMR (1)H-(1)H COSY, (1)H-(13)C HMQC, (1)H-(13)C HMBC, and (1)H-(1)H NOESY experiments. This appears to be the first report of the rare axane and oppositane sesquiterpenes from the plant family Rutaceae.

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