The trail pheromone of Nasutitermes is shown to be the cembrene analogue 12-isopropyl-1,5,9-trimethylcyclo-tetradeca-1,5,9-triene (10) by degradation, by comparison of its perhydro-derivative with perhydrocembrene, and by isomerisation with sodium methylsulphinylmethanide followed by degradation. The configurations of the double bonds are at present unknown. A key aspect of the work is the use of a quantitative micro-ozonolysis procedure.
A. J. Birch, W. V. Brown, J. E. T. Corrie and B. P. Moore, J. Chem. Soc., Perkin Trans. 1, 1972, 2653 DOI: 10.1039/P19720002653
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