Oxidation of 3-methylindole catalyzed by cobalt(II)phthalocyanines covalently bound to polyorganosiloxane

Nobukatsu Nemoto, Makoto Asano, Tetsuya Asakura, Isami Hongo, Yukihiko Ueno, Koji Ikeda, Nobuo Takamiya*

*この研究の対応する著者

研究成果: Article査読

5 被引用数 (Scopus)

抄録

Two kinds of cobalt(II)phthalocyanines covalently bound to polyorganosiloxane (POS) were prepared to be applied as catalysts for the oxidation of 3-methylindole in organic solvents. The catalytic activity of the POS whose carboxyl residues were methyl-esterified was high compared with that of the POS which has carboxyl residues. The former polymeric atalyst exhibited higher catalytic activity than monomolecular phthalocyanine, indicating an appearance of effects of polymer chains. The factors which influence the catalytic oxidation, e.g., polymer conformations, basicity of solvents, and equilibrium involving phthalocyanine monomer and the dimer, are discussed. It has become apparent that polymer conformation influences catalytic activity and that the catalytic activity of the POS, whose main chains are mobile, is high.

本文言語English
ページ(範囲)211-221
ページ数11
ジャーナルJournal of Inorganic and Organometallic Polymers
1
2
DOI
出版ステータスPublished - 1991 6 1

ASJC Scopus subject areas

  • ポリマーおよびプラスチック
  • 材料化学

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