INTERMEDIACY OF CYCLOHEXADIENYL RADICALS WITH AN AROYLOXY GROUP ON THE METHYL-SUBSTITUTED IPSO CARBON ATOM IN PHOTOLYSES OF BIS(2-THIOPHENECARBONYL) AND DIBENZOYL PEROXIDES IN 1,3,5-TRIMETHYLBENZENE

Article abstract of DOI:10.1246/cl.1983.1315

Investigation of the products arising from photolyses of bis(2-thiophenecarbonyl) and dibenzoyl peroxides in 1,3,5-trimethylbenzene provided clear evidence for participation of cyclohexadienyl radicals with the aroyloxy group on the methyl-substituted ipso carbon atom in formation of 2,3',4,5',6-pentamethyldiphenylmethane through recombination with 3,5-dimethylphenylmethyl radicals.