3.アリールアルカン類の水素化分解

抄録

To study the reaction mechanism and to research preferable reaction condition, thermolysis and hydroconversion of aryalkanes as coal-related model compounds were carried out in the absence of catalyst and the presence of metallic iron (Fe) and pyrite (FeS_2). Thermolysis of diarylalkanes was proceeded by radical chain reaction, and was retarded by addition of hydrogen-donor solvents and was slightly accelerated in the presence of hydrogen molecule. Fe catalyst accelerated the hydrogenation of aromatic-ring, and pyrite (FeS_2) promoted the methylene linkage C-C bond cleavage of diarylalkanes. The cleavage related the hydrogen-accepting ability, the C-C bond dissociation eneregy and the resonace energy of species after the C-C bond scission.