The floral odour of Peltandra virginica contains novel trimethyl-2,5-dioxabicyclo[3.2.1]nonanes
1992
Patt, J.M. | Hartman, T.G. | Creekmore, R.W. | Elliott, J.J. | Schal, C. | Lech, J. | Rosen, R.T.
The qualitative and quantitative composition of the floral odour of Peltandra virginica was determined by trapping odour components from freshly cut inflorescences on Tenax and Carbotrap adsorbents using a purge and trap apparatus. Analysis showed that a single novel compound, 1,3,6-trimethyl-2,5-dioxabicyclo[3.2.1.]nonane, comprised nearly 70% of the odour. Four isomers of this compound were found in much smaller amounts (1.0-7.6%) while an analogue with mr 142 comprised 13% of the odour. Small amounts (ca 0.3-2.5%) of two isomers of methylundecene and three isomers of dimethyldodecenone were also detected. This is the first case of trimethyldioxabicyclo[3.2.1]nonanes reported in floral odours.
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