Aryliminodimagnesium reagents. III. The deoxygenative condensation with nitroso- and nitroarenes: Electronic effect of substituents on product distribution.
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概要
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Aryliminodimagnesium reagents (ArN(MgBr)<SUB>2</SUB>) condense with nitrosoarenes and nitroarenes giving the corresponding azoarenes and azoxyarenes, respectively. Azoxyarenes were moderately deoxygenated by treatment with excessive amounts of the reagent giving the corresponding azoarenes. The reaction of nitroarenes with differently substituted reagents afforded unsymmetrically substituted azoxy- and azoarenes: Small amounts of symmetrically substituted azoarenes, which originated from the oxidative coupling of the reagent molecules, were also isolated. The distribution of the three types of condensation products are governed by the electronic effect of substituents of both the reagents and the substrates.
- 公益社団法人 日本化学会の論文
著者
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Takahashi Tomoko
Department Of Cancer Cytogenetics Division Of Molecular Biology Research Institute For Radiation Bio
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Okubo Masao
Department of Chemistry, Faculty of Science and Engineering, Saga University
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