Anodic oxidation of diphenyl disulfides for preparation of oligo(p-phenylene sulfide)s in acidic media

Kimihisa Yamamoto*, Hiroyuki Nishide, Hiroyuki Nishide, Shu Yoshida, Y. S. Park

*この研究の対応する著者

研究成果: Article査読

19 被引用数 (Scopus)

抄録

Diphenyl disulfides yield oligo(p-phenylene sulfides) by an anodic oxidation in dichloromethane solution in the presence of protonic acids as trifluoroacetic acid. The acid suppresses the nucleophilic reaction of the cationic active species and the electro-oligomerization of diphenyl disulfide proceeds through an electrophilic reaction of a cation formed anodic oxidation. The oxidation of diphenyl disulfide proceeds through a one-electron transfer and via phenylbis(phenylthio) sulfonium cation as an active species in this oligomerization, which was confirmed electrochemically. Upon adding benzoquinones and cerium acetylacetonate to the mixture, the oligomerization proceeds efficiently to give a high yield of the oligomer and can be carried out at a lower applied potential (1.7 to 0.8 V vs. Ag/AgCl).

本文言語English
ページ(範囲)2401-2406
ページ数6
ジャーナルJournal of the Electrochemical Society
139
9
出版ステータスPublished - 1992 9

ASJC Scopus subject areas

  • 電気化学
  • 表面、皮膜および薄膜
  • 表面および界面

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