Photochemical Rearrangement of 2-Nitrophenyl Phenyl Sulfoxide to 2-Nitrosophenyl Phenyl Sulfone

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概要

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• Irradiation of 2-nitrophenyl phenyl sulfoxide (I) gave 2-nitrosophenyl phenyl sulfone (II) as the sole product. The rearrangement was not affected by a quencher, but took a different course in the presence of a sensitizer or a halogen-containing solvent. When I with an electron-donating substituent at a 4′-position or electron-withdrawing one at a 4-position was irradiated, the corresponding II was obtained in a lower yield. 2-Nitrophenyl phenyl sulfide was photochemically stable. From the results, it is proposed that in the excited singlet state of I the oxyanion of a nitro group attacks the positive sulfur atom, and oxygen transfer takes place.

• 公益社団法人 日本化学会の論文

著者

• Tanikaga Rikuhei

  Department of Chemistry, Faculty of Science, Kyoto University

関連論文

• Photochemical Rearrangement of 2-Nitrophenyl Phenyl Sulfoxide to 2-Nitrosophenyl Phenyl Sulfone

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