Imidazolyl-Tailed Tetrakis(pivalamidophenyl)porphyrinatocobalt (II) : An Efficient Oxygen Adsorbent Molecule

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Abstract

A <i>meso</i>-tetrakis(<i>α</i>,<i>α</i>,<i>α</i>,<i>α</i>-<i>o</i>-pivalamidophenyl)porphyrinatocobalt(II) derivative bearing covalently-bound imidazole (Scheme 1, CoPim) was synthesized. Oxygen-binding to CoPim was rapid and reversible. The CoPim in the solid state chemically adsorbed oxygen (20 ml O<sub>2</sub>/g CoPim), which was ca. 40-times greater than the physical adsorption amount. The oxygen-binding lifetime of CoPim was longer than that for the corresponding porphyrinatocobalt(II) with an externally added imidazole. The efficiency of CoPim as an oxygen carrier was demonstrated by oxygen-enrichment from air using a pressure-swing adsorption experiment.

Journal

  • Bulletin of the Chemical Society of Japan

    Bulletin of the Chemical Society of Japan 70(9), 2317-2321, 1997-09-15

    The Chemical Society of Japan

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Codes

  • NII Article ID (NAID)
    10008923626
  • NII NACSIS-CAT ID (NCID)
    AA00580132
  • Text Lang
    ENG
  • Article Type
    ART
  • ISSN
    00092673
  • NDL Article ID
    4307596
  • NDL Source Classification
    ZP1(科学技術--化学・化学工業)
  • NDL Call No.
    Z53-B35
  • Data Source
    CJP  NDL  J-STAGE 
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