An Efficient Catalyst for Low Temperature Solid-phase Cyclization of Poly(<i>o</i>-hydroxyamide)

DOI PDF 被引用文献3件 参考文献17件
  • Toyokawa Fumihiro
    Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, Tokyo Institute of Technology
  • Fukukawa Ken-ichi
    Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, Tokyo Institute of Technology
  • Shibasaki Yuji
    Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, Tokyo Institute of Technology
  • Ueda Mitsuru
    Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, Tokyo Institute of Technology

書誌事項

タイトル別名
  • An Efficient Catalyst for Low Temperature Solid-phase Cyclization of Poly(o-hydroxyamide)

説明

An efficient acid catalyst for the low-temperature solid-phase cyclization of poly(o-hydroxyamide) (PHA) has been found. Thermal cyclization of PHA into poly(benzoxazole) (PBO) proceeded quantitatively at 250 °C in 10 min in the presence of 10 wt % of a photoacitve compound, (5-propylsulfonyloxyimino-5H-thiophen-2-ylidene)-2-(methylphenyl)-acetonitrile (PTMA).

収録刊行物

  • Chemistry Letters

    Chemistry Letters 33 (10), 1342-1343, 2004

    公益社団法人 日本化学会

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