H. Sakurai, M. Shiotani, Takahisa Ichikawa
Mar 1, 1999
Citations
0
Influential Citations
3
Citations
Journal
Radiation Physics and Chemistry
Abstract
Abstract An EPR study was carried out for 1,2-dimethylcyclohexane (1,2-DMCH) irradiated by ionizing radiation at 77 K in the presence of SF 6 and cyclopropane ( c C 3 H 6 ). In addition to the 1,2-dimethylcyclohexyl radical, the 1,2-dimethylcyclohexene cation radical was observed which was formed by a selective hydrogen detachment at the C1 and C2 positions of 1,2-dimethylcyclohexane cation radical (1,2-DMCH + ) in the 1,2-DMCH matrix. The reaction shows a cis - trans stereo-selectivity and proceeded only for the cis -isomer. Furthermore, the 1,2-DMCH + generated in the halocarbon matrix was found to be converted into the 1,2-DMCHe + by photo-illumination at λ ≧350 nm.