W. E. Shelberg, J. F. Pestaner
Nov 23, 1963
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Journal
Nature
Abstract
Radiolysis yields were determined for 2,-dimethyloctane, 2,6- dimethyloctadiene-2,6, and squalene. In 2,6dimethyloctane hot hydrogen atoms abstract hydrogen on their first collision with a neighbor molecule to produce hydrogen gas. The latter diffuse, react competively with solvent and solute, and produce hydrogen gas by abstraction or self-combination. In some cases, an activated hydrogen molecule may detach a hydrogen molecule, leaving a biradical or olefin. Caged alkyl radicals from C- C bond scission recombine or disproportionate to a paraffin plus an olefin. Freely diffusing alkyl radicals combine to produce paraffins or disproportionate. Finally, it is postulated that molecules of 2,6-dimethyloctadiene-2,5 and squalene undergo C-H and C-C bond scission on radiolysis to produce hydrogen, methyl, and olefinic radicals.