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Journal Article

Spirocyclopropane-type sesquiterpene hydrocarbons from Schinus terebinthifolius Raddi

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Citation

Richter, R., von Reuß, S. H., & König, W. A. (2010). Spirocyclopropane-type sesquiterpene hydrocarbons from Schinus terebinthifolius Raddi. Phytochemistry, 71(11-12), 1371-1374. doi:10.1016/j.phytochem.2010.05.003.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-C372-1
Abstract
The essential oil of Schinus terebinthifolius fruits was reinvestigated using GC and GC-MS techniques. Apart from several known compounds three sesquiterpene hydrocarbons with a carbon skeleton exhibiting the rare spiro(cyclopropane) moiety could be isolated by a combination of column chromatography and GLC. Structure assignments were carried out by NMR spectroscopy. These natural products are 9-spiro(cyclopropa)-4,4,8-trimethyl-2-methylenbicyclo[4.3.0]non-1(6)-ene (terepanene), 9-spiro(cyclopropa)-2,4,4,8-tetramethylbicyclo[4.3.0]nona-1,5-diene (teredenene), and (6R*,8R*)-9-spiro(cyclopropa)-2,4,4,8-tetramethylbicyclo[4.3.0]non-1-ene (terebinthene). (C) 2010 Elsevier Ltd. All rights reserved.