Synthesis of optically active green fluorescent π-conjugated fluorenepolymers having chiral Schiff bases in the side chain

Synthesis of optically active green fluorescent π-conjugated fluorenepolymers having chiral Schiff bases in the side chain
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侧链具有手性席夫碱的光学活性绿色荧光π共轭芴聚合物的合成

DOI:
10.1039/b9py00268e
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发表时间:
2010
期刊:
影响因子:
4.6
通讯作者:
S. Kawauchi
S. Kawauchi
中科院分区:
化学2区
文献类型:
--
作者:
K. Asai;G. Konishi;Kentaro Sumi;S. Kawauchi

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描述了使用 1-苯乙胺作为手性助剂合成光学活性聚(芴-替代手性亚氨基芴)。通过钯催化的 Suzuki-Miyaura 偶联聚合反应合成了 9,9'-二辛基芴-2,7-双(三亚甲基硼酸酯)与手性席夫碱单体(亚氨基改性芴),合成了光学活性聚芴。所得聚合物表现出强烈的绿光发射和高量子效率。对光学活性聚合物的圆二色性数据的分析表明,聚合物在溶液中表现出各种高度有序的规则结构。
The synthesis of optically active poly(fluorene-alt-chiral iminofluorene)s using 1-phenylethylamine as a chiral auxiliary is described. Optically active polyfluorenes were synthesized by the palladium-catalyzed Suzuki–Miyaura coupling polymerization of 9,9′-dioctylfluorene-2,7-bis(trimethyleneborate) with a chiral Schiff base monomer (imino group modified-fluorene). The obtained polymers showed intense green emission with high quantum efficiency. Analysis of the circular dichroism data of the optically active polymers indicates that the polymers exhibit various highly-ordered regular structures in solution.
DOI: 10.1021/ja0478882
发表时间: 2004-10
影响因子: 15
作者:
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通讯作者: Hiroki Sugiura;Yasuko Nigorikawa;Yuto Saiki;Keiichi Nakamura;M. Yamaguchi
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DOI: --
发表时间: 2008
期刊: J. Phys. Chem. B 112
影响因子: --
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DOI: 10.1021/ja039371g
发表时间: 2004-02-25
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