Synthesis of new main-chain-type organoboron quinolate polymer linked on quinolate ligand

被引：36

作者：

Nagata, Yuuya ^{[1
]}

Otaka, Hirounichi ^{[1
]}

Chujo, Yoshiki ^{[1
]}

机构：

[1] Kyoto Univ, Grad Sch Engn, Dept Polymer Chem, Nishikyo Ku, Kyoto 6158510, Japan

来源：

MACROMOLECULES | 2008年 / 41卷 / 03期

关键词：

D O I：

10.1021/ma702346j

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A main-chain-type organoboron quinolate polymer was prepared by means of polymer reaction between the precursor polymer and triphenylborane. The precursor polymer was synthesized by the Sonogashira-Hagihara coupling reaction between diyne monomer and tert-butoxycarbonyl- (Boc-) protected dibromoquinolinol monomer. The polymer reactions we carried out were successfully achieved and the structures of the obtained polymers were confirmed by IR, H-1 NMR, and elemental analyses. The precursor polymers showed blue or green emissions. In contrast, the organoboron quinolate polymer exhibited dramatically red-shifted orange photoluminescence. The quantum yield of the organoboron quinolate polymer was not significantly high. However, the molar extinction coefficient of the polymer at the excitation wavelength was remarkably improved by incorporation of the quinolate structure into the conjugated polymer main-chain. It was suggested that the conjugated main-chain behaved as a light harvesting antenna for organoboron quinolate units.

引用

页码：737 / 740

页数：4

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