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The Discovery of 2-Hydroxymethyl-3-(3-methylbutyl)-5-methylpyrazine: a Semiochemical in Orchid Pollination

Bohman, Bjorn; Jeffares, Lynne; Flematti, Gavin; Phillips, Ryan; Dixon, Kingsley; Peakall, Rodney; Barrow, Russell


Drakaea livida (Orchidaceae) is pollinated by sexual deception of the wasp Zaspilothynnus nigripes (Thynnidae). It is shown that the orchid emits the same compound, 2-hydroxymethyl-3-(3-methylbutyl)-5-methylpyrazine, that females emit when calling for mates. This novel pyrazine was isolated and identified by GC-EAD and GC-MS and confirmed by synthesis. This compound may represent the first known case of pyrazines as sex pheromones in Hymenoptera.

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Organic Letters
DOI: 10.1021/ol300864u


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