p-Nitrophenyl Triazenyl Purine : First Adenine-based Colorimetric Anion Sensor

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6-[(2<I>E</I>)-3-(4-Nitrophenyl)triaz-2-en-1-yl]-9<I>H</I>-purine (<I>p</I>-nitrophenyl triazenyl purine, PNTP) has been synthesized and evaluated for sensing the anions PF<SUB>6</SUB><SUP>−</SUP>, HSO<SUB>4</SUB><SUP>−</SUP>, ClO<SUB>4</SUB><SUP>−</SUP>, and BF<SUB>4</SUB><SUP>−</SUP> as their tetrabutylammonium salts in DMSO. This is the first example of any adenine-based anion sensor. The addition of 2 equivalents of PF<SUB>6</SUB><SUP>−</SUP>, HSO<SUB>4</SUB><SUP>−</SUP>, ClO<SUB>4</SUB><SUP>−</SUP>, and BF<SUB>4</SUB><SUP>−</SUP> to the 2×10<SUP>−5</SUP> mol dm<SUP>−3</SUP> DMSO solution of PNTP at room temperature produced visible color changes and perturbation of UV–vis spectral pattern of PNTP in terms of absorbance at 398 and 575 nm in reciprocal patterns. The sensing ability of PNTP was found to be best for PF<SUB>6</SUB><SUP>−</SUP> among all the chosen anions.

収録刊行物

  • Chemistry letters  

    Chemistry letters 37(2), 186-187, 2008-02-05 

    The Chemical Society of Japan

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各種コード

  • NII論文ID(NAID)
    10021077588
  • NII書誌ID(NCID)
    AA00603318
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    03667022
  • データ提供元
    CJP書誌  J-STAGE 
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