Sex pheromone for the brownbanded cockroach is an unusual dialkyl-substituted alpha-pyrone.
- 1 November 1993
- journal article
- research article
- Published by Proceedings of the National Academy of Sciences in Proceedings of the National Academy of Sciences
- Vol. 90 (21) , 10202-10205
- https://doi.org/10.1073/pnas.90.21.10202
Abstract
Female brownbanded cockroaches, Supella longipalpa, emit a sex pheromone that attracts males from a distance. This pheromone was isolated and identified as 5-(2,4-dimethylheptanyl)-3-methyl-2H-pyran-2-one (which we refer to as supellapyrone), and its structure was confirmed by synthesis. A racemic blend of the synthetic compound elicited behavioral and electrophysiological responses comparable to the natural pheromone across a range of doses. This compound is not only a very different type of cockroach pheromone but also makes up an additional class of natural products namely, 3,5-dialkyl-substituted alpha-pyrones.Keywords
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