High Complexation Ability of Thiacalixarene with Transition Metal Ions. the Effects of Replacing Methylene Bridges of Tetra(p-t-butyl)calix[4]arenetetrol by Epithio Groups

Nobuhiko Iki, Naoya Morohashi, Fumitaka Narumi, Sotaro Miyano

研究成果: Article査読

164 被引用数 (Scopus)

抄録

The ability of tetra(p-t-butyl)tetrathiacalix[4]arenetetrol (TCA, H4L), a cyclic tetramer of p-(t-butyl)phenol bridged with four epithio groups, to bind metal ions was investigated via a solvent extraction study. Although tetra(p-t-butyl)calix[4]arenetetrol (CA) has very poor affinity for transition metal ions (M2+), TCA is an excellent extradant of these metal ions. The chemical formulae of the extracted TCA metal complexes were found by slope analysis to be neutral 1:1 complexes [MH2L]. The origin of the high affinity of TCA for transition metal ions is discussed, in which it is suggested that ligation of the epithio group is important as evidenced by an NMR study of the [ZnH2L] complex.

本文言語English
ページ(範囲)1597-1603
ページ数7
ジャーナルBulletin of the Chemical Society of Japan
71
7
DOI
出版ステータスPublished - 1998 7

ASJC Scopus subject areas

  • Chemistry(all)

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