Oxovanadium-Catalyzed Oxidative Polymerization of Diphenyl Disulfides with Oxygen

Kimihisa Yamamoto, Eishun Tsuchida, Hiroyuki Nishide, Mitsutoshi Jikei, Kenichi Oyaizu

研究成果: Article

59 被引用数 (Scopus)

抄録

Oligo(p-phenylene sulfide) is synthesized through oxygen oxidative polymerization of diphenyl disulfide catalyzed by vanadyl acetylacetonate. The mechanistic studies reveal that two redox cycles [V(III)/V(IV) and V(IV)/V(V)] give rise to catalysis through a 2-electron transfer between diphenyl disulfide and molecular oxygen. The VO catalysts act as an excellent electron mediator to bridge a 1.0-V potential gap between the oxidation potential of disulfides and the reduction potential of oxygen. The VO-catalyzed oxygen oxidative polymerization provides pure oligo(p-phenylene sulfide)s containing an S-S bond. The polymeric product is of low molecular weight due to the insolubility of poly(p-phenylene sulfide) under these experimental conditions.

本文言語English
ページ(範囲)3432-3437
ページ数6
ジャーナルMacromolecules
26
13
DOI
出版ステータスPublished - 1993 1 1

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry

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