Novel polymerizations of germylenes and their reaction mechanisms

Shiro Kobayashi, Shin‐Ichiro ‐I Shoda, Satoru Iwata, Masafumi Hiraishi, Shaokui Cao

研究成果: Article査読

4 被引用数 (Scopus)

抄録

Novel copolymerizations for the synthesis of germanium‐containing polymers using a divalent germanium species, germylene, have been developed. The copolymerization involves a redox process between a germylene (Mred) and an oxidant monomer (Mox) such as p‐benzoquinones, cyclic α,β‐unsaturated ketones, and substituted acetylenes. A new germanium‐containing polymer having a germanium‐sulfur bond unit in the main chain has been synthesized by the oxidative addition of a poly(dithioalkylene) toward the germylene. A ligand exchange polymerization has been developed as a new polymerization reaction affording a polygermane. The reaction mechanism of the copolymerization between germylene and p‐benzoquinone derivatives has definitely been established as a biradical polymerization system involving a germyl radical and a semiquinone radical, providing the first clear‐cut evidence for a biradical mechanism in the polymerization chemistry.

本文言語English
ページ(範囲)91-100
ページ数10
ジャーナルMacromolecular Symposia
98
1
DOI
出版ステータスPublished - 1995 7

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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