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6-Alkylsalicylic Acids and 6-Alkylresorcylic Acids from Ants in the Genus <Emphasis Type="Italic">Crematogaster</Emphasis> from Brunei |
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| Authors: | |
| Affiliation: | (1) Department of Chemistry, Virginia Military Institute, Lexington, Virginia 24450, USA;(2) Department of Chemistry, Universiti Brunei Darussalam, Tungku Link, BE 1410, Brunei, Darussalam;(3) Department of Biology, University of Utah, 257 South, 1400 East Salt Lake City, Utah 84112-0840, USA;(4) Entomology, Natural History Museum of Los Angeles County 900 Exposition Blvd., Los Angeles, 90007, USA |
| Abstract: | The defensive chemistry of two species of ants from Brunei in the genus Crematogaster (Physocrema group) has been investigated. Ants in this group release a white secretion from hypertrophied metapleural glands on their thorax when they are disturbed. Previously, one species in this group has been shown to produce alkylphenols and alkylresorcinols. In the present investigation, similar compounds along with salicylic acids and resorcylic acids that are anacardic acid and olivetolic acid homologs, respectively, are described from two species. The structures of these compounds were suggested by their spectroscopic data and confirmed by direct comparison with synthetic samples. Some of these compounds occur in lichens and have well documented physiological activities. |
| Keywords: | Crematogaster spp Hymenoptera Formicidae phenols resorcinols resorcylic acids salicylic acids chemotaxonomy metaplural glands |
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