Poly(p-ethynylphenyl)galvinoxyl. Formation of a new conjugated polyradical with an extraordinarily high spin concentration

Hiroyuki Nishide, Hiroyuki Nishide, Naoki Yoshioka, Takashi Kaneko, Eishun Tsuchida

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Abstract

This paper describes the synthesis of poly-[4-[(3,5-di-tert-butyl-4-hydroxyphenyl) (3,5-di-tert-butyl-4-oxocyclohexa-2,5-dien-1-yldene) methyl]phenylacetylene] (abbreviated as poly[(p-ethylphenyl)hydrogalvinoxyl]) (4) and also the formation of its polyradical macromolecule, 5, through chemical oxidation. 5 is one of the model polymers with an indirect magnetic interaction; the unpaired electron is mainly localized at the phenylgalvinoxyl side chain, whose spin density is distributed mainly over the galvinoxyl substituent, but also over the phenyl ring to some extent by a spin polarization mechanism.

Original languageEnglish
Pages (from-to)4487-4488
Number of pages2
JournalMacromolecules
Volume23
Issue number20
Publication statusPublished - 1990 Oct 1

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ASJC Scopus subject areas

  • Materials Chemistry

Cite this

Nishide, H., Nishide, H., Yoshioka, N., Kaneko, T., & Tsuchida, E. (1990). Poly(p-ethynylphenyl)galvinoxyl. Formation of a new conjugated polyradical with an extraordinarily high spin concentration. Macromolecules, 23(20), 4487-4488.