摘要:
Stable semiquinoid structures, 4-aroyl(arylsulfonyl)oximino-2,6-dimethyl-5,6-dichloro-2-cyclohexen-1-ones, do not react with dialkyl phosphites, alcohols, tosylhydrazine, p-toluidine, and hydrazoic acid. In reactions with arylsulfinic acids occurs a nucleophilic substitution of chlorine at the sp(3)-hybridized C-5 carbon in the minor Z-isomer yielding 4-aroyl(arylsulfonyl)oximino-5-arylsulfonyl-2,6-dimethyl-6-chloro-2-cyclohexen-1-ones.