Oxovanadium-catalyzed oxidative polymerization of diphenyl disulfides with oxygen

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

Research output: Contribution to journalArticle

59 Citations (Scopus)

Abstract

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 insolubility of poly(p-phenylene sulfide) under these experimental conditions.

Original languageEnglish
Pages (from-to)3432-3437
Number of pages6
JournalMacromolecules
Volume26
Issue number13
Publication statusPublished - 1993 Jan 1

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Sulfides
Polymerization
Oxygen
Electrons
Molecular oxygen
Disulfides
Catalysis
Solubility
Molecular weight
Oxidation
Catalysts
diphenyl disulfide

ASJC Scopus subject areas

  • Materials Chemistry

Cite this

Oxovanadium-catalyzed oxidative polymerization of diphenyl disulfides with oxygen. / Yamamoto, Kimihisa; Tsuchida, Eishun; Nishide, Hiroyuki; Jikei, Mitsutoshi; Oyaizu, Kenichi.

In: Macromolecules, Vol. 26, No. 13, 01.01.1993, p. 3432-3437.

Research output: Contribution to journalArticle

Yamamoto, Kimihisa ; Tsuchida, Eishun ; Nishide, Hiroyuki ; Jikei, Mitsutoshi ; Oyaizu, Kenichi. / Oxovanadium-catalyzed oxidative polymerization of diphenyl disulfides with oxygen. In: Macromolecules. 1993 ; Vol. 26, No. 13. pp. 3432-3437.
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