共 32 条
Synthesis of Fully Soluble Azomethine-Bridged Ladder-Type Poly(p-phenylenes) by Bischler-Napieralski Reaction
被引:33
作者:

Chen, Yulan
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机构:
Beijing Normal Univ, Coll Chem, Inst Polymer Chem & Phys, Beijing 100875, Peoples R China Beijing Normal Univ, Coll Chem, Inst Polymer Chem & Phys, Beijing 100875, Peoples R China

Huang, Weiguo
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机构:
Beijing Normal Univ, Coll Chem, Inst Polymer Chem & Phys, Beijing 100875, Peoples R China Beijing Normal Univ, Coll Chem, Inst Polymer Chem & Phys, Beijing 100875, Peoples R China

Li, Chihong
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机构:
Beijing Normal Univ, Coll Chem, Inst Polymer Chem & Phys, Beijing 100875, Peoples R China Beijing Normal Univ, Coll Chem, Inst Polymer Chem & Phys, Beijing 100875, Peoples R China

Bo, Zhishan
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机构:
Beijing Normal Univ, Coll Chem, Inst Polymer Chem & Phys, Beijing 100875, Peoples R China Beijing Normal Univ, Coll Chem, Inst Polymer Chem & Phys, Beijing 100875, Peoples R China
机构:
[1] Beijing Normal Univ, Coll Chem, Inst Polymer Chem & Phys, Beijing 100875, Peoples R China
关键词:
LIGHT-EMITTING POLYMERS;
CONJUGATED POLYMERS;
FACILE SYNTHESIS;
PI-CONJUGATION;
DERIVATIVES;
MOBILITY;
SILICON;
D O I:
10.1021/ma1021117
中图分类号:
O63 [高分子化学(高聚物)];
学科分类号:
070305 ;
080501 ;
081704 ;
摘要:
The synthesis of fully soluble azomethine-bridged ladder-type poly(p-phenylenes) by Bischler-Napieralski reaction was investigated. 60 wt % NaH (0.96 g, 24 mmol) and 1-bromododecane (3.26 g, 13.1 mmol) were added into the solution of 2,7-dibromo-9H-carbazole, (3.27 g, 10.1 mmol), in DMF (40 mL). The mixture was stirred overnight at room temperature. The mixture was poured into water (200 mL), then the aqueous layer was extracted with diethyl ether, and the combined organic layers were dried over Na2SO4 and evaporated to dryness. The newly developed synthetic method allows the preparation of ladder polymers with good structural perfection. The synthesized ladder polymers were of high molecular weight and highly soluble in common organic solvents. The photophysical properties indicated that the phenanthridine-containing ladder-type polymers are effective pH sensor materials.
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收藏
页码:10216 / 10220
页数:5
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共 32 条
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