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DOI: 10.1055/s-2000-8591
Betulenols from Betula Species
Publication History
Publication Date:
31 December 2000 (online)
Abstract
The essential oils from buds of five Betula species growing in Turkey were investigated by GC-MS. A major component in the essential oils was shown to be 14-hydroxy-β-caryophyllene (6). The structure of β-betulenal (12) which was isolated from Betula essential oils was also confirmed by synthesis. Chemical reactions yielded 14-acetoxy-β-caryophyllene (15), 14-hydroxy-isocaryophyllene (10) and its acetate (14), giving evidence to the natural occurrence in Betula species of the formerly known α-betulenol acetate (3), β-betulenol (2) and β-betulenol acetate (4), respectively. Compounds 6, 9, 10, 12, and 15 were evaluated for antimicrobial activity.
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Prof. Dr. K. Hüsnü Can
Başer
Anadolu University Medicinal and Aromatic Plant and Drug Research Centre (TBAM)
26470-Eskişehir
Turkey
Email: khcbaser@anadolu.edu.tr
Phone: +90 222 335 01 27