Nitrosation of 1,3-Diarylureas with Nitrosyl Chloride, Dinitrogen Trioxide and Dinitrogen Tetroxide in Dimethylformamide

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Nitrosation of 1,3-diarylureas (Ia-f) with nitrosyl chloride or dinitrogen trioxide in dimethylformamide gave 1,3-diaryl-1-nitrosoureas (IIa-f) in 59-96% yields, and nitrosation of 1,3-diarylureas (Ia, c-f) with dinitrogen tetroxide also gave 1,3-diaryl-1-nitrosoureas (IIa, c-f) in 75-91% yields. However, nitrosation of 1,3-bis (4-methoxyphenyl) urea (Ib) with dinitrogen tetroxide in dimethylformamide resulted in the formation of 1-(4-methoxy-2-nitrophenyl)-3-(4-methoxyphenyl) urea (III) in 60% yield, and nitrosation with a large excess of dinitrogen tetroxide gave 1,3-bis (4-methoxy-2-nitrophenyl) urea (IV) in 42% yield.

収録刊行物

  • Chemical & pharmaceutical bulletin   [巻号一覧]

    Chemical & pharmaceutical bulletin 31(1), 41-44, 1983-01-25  [この号の目次]

    公益社団法人日本薬学会

各種コード

  • NII論文ID(NAID)
    110003662661
  • NII書誌ID(NCID)
    AA00602100
  • 本文言語コード
    ENG
  • ISSN
    00092363
  • データ提供元
    NII-ELS 
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