Synthesis of Non-Kekule Type π-Conjugated Polymers and Co-operative Multiple-Spin Alignment

非凯库勒型π共轭聚合物的合成及协同多自旋排列

基本信息

  • 批准号:
    09305060
  • 负责人:
  • 金额:
    $ 20.29万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
  • 财政年份:
    1997
  • 资助国家:
    日本
  • 起止时间:
    1997 至 1999
  • 项目状态:
    已结题

项目摘要

Objectives of this research are the synthesis of π-conjugated polymers bearing pendant radical groups on every monomer unit, which are substituted on the polymer backbone to satisfy a π-conjugated but non-Kelule structure, and the study on strong and through-bond ferromagnetic exchange interaction between and alignment of the multiple spins of the pendant radicals.(1) Bromostyrene dirivatives were polycondensated with a Pd-phosphine catalyst to yield π-conjugated star-shaped or hyperbranched poly (4-phenoxyl-1, 2-phenylenevinylene) s. SQUID and pulsed ESR measurements revealed the spin-alignment, e. g., with S = 10/2.(2) Linear, acyclic, and cyclic poly (phenoxy-phenyleneethynylene) s were synthesized by the polycondensation of the iodostyrene derivatives with a Pd/Cu catalyst. The cyclic and conjugated one was an effective spin pathway.(3) Diphenylaminium cation radical was introduced as a spin source to poly (4-substituted 1, 2-phenylenevinylene) to realize both a sufficient ferromagnetic interaction and chemical stability even at room temperature. Stability of the multiplet ground state was significantly large to first give a highspin and durable organic polymer.
本研究的目的是合成每个单体单元上都有悬垂自由基基团的π共轭聚合物,并将其取代在聚合物主链上以满足π共轭但非kelule结构,并研究悬垂自由基的多个自旋之间的强铁磁交换、相互作用和排列。(1)溴苯乙烯衍生物在pd -膦催化剂下缩聚得到π共轭星形或超支化聚(4-苯氧基- 1,2 -苯乙烯)s。SQUID和脉冲ESR测量显示自旋取向为s = 10/2。(2)在Pd/Cu催化剂的催化下,通过缩聚反应合成了线性、无环和环状聚苯氧基苯乙烯。环状共轭自旋途径是一种有效的自旋途径。(3)将二苯胺阳离子自由基作为自旋源引入聚(4-取代1,2 -苯基乙烯)中,使其在室温下具有足够的铁磁相互作用和化学稳定性。多重基态的稳定性显著提高,首次获得了高自旋和耐用的有机聚合物。

项目成果

期刊论文数量(42)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
H.Nishide, M.Takahashi et al.: "High-Spin Oxyphenylbenzo-Annelated Dehydro[12]annulene"Chem. Lett.. 1999. 161-162 (1999)
H.Nishide、M.Takahashi 等人:“高自旋氧苯基苯并稠合的脱氢[12]轮烯”Chem。
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T. Michinobu, M. Takahashi, E. Tsuchida and H. Nishide: "Robust Triplet Molecule : Cationic Diradical of 3, 4'-Bis (diphenylamino) stilbene"Chem. Mater.. 11. 1969-1971 (1999)
T. Michinobu、M. Takahashi、E. Tsuchida 和 H. Nishide:“稳健的三重态分子:3, 4-双(二苯氨基)芪的阳离子双自由基”Chem。
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M.Takahashi, H.Nishide et al.: "Nonlinear Optical Property of Poly(phenylenevinylene) Bearing π-Conjugated Radicals"Mol. Cryst.Liq. Cryst.. 334. 31-39 (1999)
M.Takahashi、H.Nishide 等:“带有 π-共轭自由基的聚(亚苯基亚乙烯基) 的非线性光学性质”Cryst.Liq. 334. 31-39 (1999)
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    0
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H. Nishide, M. Miyasaka and E. Tsuchida: "Average Octet Radical Polymer : A Stable Polyphenoxyl with Star-Shaped π-Conjugated"Angew. Chem. Int. Ed.. 37. 2400-2402 (1998)
H. Nishide、M. Miyasaka 和 E. Tsuchida:“平均八位基自由基聚合物:具有星形 π 共轭的稳定聚苯氧基”Angew Int. Ed. 37. 2400-2402 (1998)
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    0
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H. Nishide, M. Miyasaka and E. Tsuchida: "High-Spin Polyphenoxyls Attached to Star-Shaped Poly (phenylenevinylene) s"J. Org. Chem.. 63. 7399-7407 (1998)
H. Nishide、M. Miyasaka 和 E. Tsuchida:“连接到星形聚(亚苯基亚乙烯基)的高自旋聚苯氧基”J。
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NISHIDE Hiroyuki其他文献

NISHIDE Hiroyuki的其他文献

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{{ truncateString('NISHIDE Hiroyuki', 18)}}的其他基金

Charge/ Hydrogen -Transport and -Storage through the Exchanging Reactions in Redox Polymers
通过氧化还原聚合物中的交换反应进行电荷/氢的传输和存储
  • 批准号:
    18H03921
  • 财政年份:
    2018
  • 资助金额:
    $ 20.29万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
In-situ Formation of Radical/p-Conjugated Polymer Blends for Rapid Charge-Storage
原位形成自由基/p-共轭聚合物共混物以实现快速电荷存储
  • 批准号:
    25620179
  • 财政年份:
    2013
  • 资助金额:
    $ 20.29万
  • 项目类别:
    Grant-in-Aid for Challenging Exploratory Research
Development of Organic Memory Devices Using Radical Polymers
使用自由基聚合物开发有机存储器件
  • 批准号:
    21655043
  • 财政年份:
    2009
  • 资助金额:
    $ 20.29万
  • 项目类别:
    Grant-in-Aid for Challenging Exploratory Research
SOMO Design of Radical Polymers for Development of Fully Organic Rechargeable Batteries
用于开发全有机可充电电池的自由基聚合物的 SOMO 设计
  • 批准号:
    19105003
  • 财政年份:
    2007
  • 资助金额:
    $ 20.29万
  • 项目类别:
    Grant-in-Aid for Scientific Research (S)
Synthesis of New π-Conjugated Polymers and Their Spin-Correlated Function
新型π共轭聚合物的合成及其自旋相关函数
  • 批准号:
    17067017
  • 财政年份:
    2005
  • 资助金额:
    $ 20.29万
  • 项目类别:
    Grant-in-Aid for Scientific Research on Priority Areas
Hydrophobic Porphyrin Assemblies with Oxygen-Transporting Capability
具有输氧能力的疏水性卟啉组装体
  • 批准号:
    13031072
  • 财政年份:
    2001
  • 资助金额:
    $ 20.29万
  • 项目类别:
    Grant-in-Aid for Scientific Research on Priority Areas
Development of Multi-Spin Conjugated Polymers with Large Magnetic Moment as a New Magneto-Responsible Organic Material
开发具有大磁矩的多自旋共轭聚合物作为新型磁响应有机材料
  • 批准号:
    12555268
  • 财政年份:
    2000
  • 资助金额:
    $ 20.29万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
New preparation of Oxygen-Permselective Membranes and their Application for the Air Battery of Next Generation
选择性透氧膜的新制备及其在下一代空气电池中的应用
  • 批准号:
    05555243
  • 财政年份:
    1993
  • 资助金额:
    $ 20.29万
  • 项目类别:
    Grant-in-Aid for Developmental Scientific Research (B)
Dynamics and Interfacial Property of Polymers Super-saturated with Oxygen
氧过饱和聚合物的动力学和界面性质
  • 批准号:
    04453109
  • 财政年份:
    1992
  • 资助金额:
    $ 20.29万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)
Conjugated Polymers Carrying Stable Radicals and Their Spin Control
携带稳定自由基的共轭聚合物及其自旋控制
  • 批准号:
    02650670
  • 财政年份:
    1990
  • 资助金额:
    $ 20.29万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (C)

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