A novel group of allenic hydrocarbons from five Australian (Melolonthine) beetlesElectronic supplementary information (ESI) available: analytical data for 4, 5, 6 and 9, and proposed McLafferty rearrangements for 4. See http://www.rsc.org/suppdata/cc/b1/b101801i/
Abstract
Allenic hydrocarbons, previously unknown as a molecular class from insects, are represented by CH3(CH2)n-CH• CH-(CH2)7CH3 (n = 11–15, 17, 19) in several Australian melolonthine scarab beetles and with demonstrated (R)-chirality when n = 11 and 13.