Synthesis of aromatic poly(ether ketone)s bearing optically active macrocycles through Suzuki coupling polymerization

被引：43

作者：

Maeyama, Katsuya ^{[1
]}

Yamashita, Kenji ^{[2
]}

Saito, Hiromu ^{[2
]}

Aikawa, Shunichi ^{[3
]}

Yoshida, Yasuhiko ^{[3
]}

机构：

[1] Yamagata Univ, Grad Sch Sci & Engn, Dept Polymer Sci & Engn, Yonezawa, Yamagata 9928510, Japan

[2] Tokyo Univ Agr & Technol, Grad Sch Technol, Dept Organ & Polymer Mat Chem, Koganei, Tokyo, Japan

[3] Toyo Univ, Bionano Elect Res Ctr, Kawagoe, Saitama, Japan

来源：

POLYMER JOURNAL | 2012年 / 44卷 / 04期

关键词：

aromatic poly(ether ketone)s; excellent solubility; macrocycles; Suzuki coupling polymerization; thermal stability; POLYKETONES;

D O I：

10.1038/pj.2011.134

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Palladium (Pd)-catalyzed Suzuki coupling polymerization of macrocycle-bearing monomers, obtained through two-step nucleophilic aromatic substitution reactions with three types of diboric acid pinacol esters, produced aromatic poly(ether ketone)s that have optically active macrocycles composed of two 2,2'-dioxy-1,1'-binaphthyl-6,6'-diyl units and two aromatic ether ketone linkers. The macrocycle-bearing aromatic poly(ether ketone) s have excellent thermal and optical properties, that is, high glass-transition temperatures (T-g: 220-257 degrees C) and large molar rotations ([Phi](D)(25): +1906-1976 deg). In addition, polyketones have excellent solubility in typical solvents such as CHCl3 and N,N-dimethylformamide (DMF). Polymer Journal (2012) 44, 315-320; doi:10.1038/pj.2011.134; published online 11 January 2012

引用

页码：315 / 320

页数：6

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