The reaction of benzonitrile oxides with S,S-dimethyl-N-(2,4,6-trihalophenyl)sulfimides. The formation of benzoxazole derivatives.
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概要
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The reactions of nitrile oxides with <I>S</I>,<I>S</I>-dimethyl-<I>N</I>-(2,4,6-trihalophenyl)sulfimides gave unusual products, which structure was determined to be 2-aryl-4,6-dihalobenzoxazoles from their elementary analyses and spectral data. While the reactions with <I>S</I>,<I>S</I>-dimethyl-<I>N</I>-(2-bromophenyl)- or <I>S</I>,<I>S</I>-dimethyl-<I>N</I>-(2,4-dibromophenyl)sulfimide gave 1,2,4-benzoxadiazine derivatives. A plausible reaction mechanism for the unusual formation of benzoxazoles was proposed.
- 公益社団法人 日本化学会の論文
著者
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Shiraishi Shinsaku
Institute Of Industrial Science The University Of Tokyo
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Shigemoto Tadashi
Institute of Industrial Science, The University of Tokyo
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Hayakawa Tohru
Institute of Industrial Science, The University of Tokyo
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