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Abstract
A new acetylenic ketone isolated from the bark of Litsea rotundifolia var. oblongifolia has been characterized as 13-tetradecyn-2-one on the basis of detailed spectroscopic analysis and comparison with related model compounds. Four known related lipids have also been isolated from this plant.
Acknowledgements
This work was financially supported by grant 30125044 from the National Natural Science Foundation for Outstanding Youth and National 863 project (2001AA620403). This work was also partly funded by the “Foundation for Oversea Returned Scholars” provided by the Chinese Academy of Sciences, Ministry of Personnel, and Ministry of Education. The authors are grateful to Professor F.-W. Xin, South China Institute of Botany, Chinese Academy of Sciences for identification of the plant material. The NMR and mass spectra were obtained from the “SIMM-NMR, MS Services”. The staff of both services are gratefully acknowledged.