Selective Production of cis - and trans -Verbenol from (-)- and (+)-α-Pinene by a Bark Beetle
- 16 January 1976
- journal article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 191 (4223) , 199-201
- https://doi.org/10.1126/science.1246609
Abstract
A unique biological system whereby optical isomers are selectively transformed to geometrical isomers is demonstrated in Ips paraconfusus. Exposure of adult male and female beetles to vapor of (-)-α-pinene resulted in the production of (+)- cis -verbenol, a pheromone of this species, whereas (+)-α-pinene was oxidized to (+)- trans -verbenol. It appears, therefore, that the ability of a bark beetle to produce its aggregation pheromone can be governed by the chirality of a precursor in the host tree.Keywords
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