Synthesis of Glutamic Acid-based Dendritic Helical Poly(phenylacetylene)s

被引：0
|
作者：
Yanming Hu
Ruiyuan Liu
Fumio Sanda
Toshio Masuda
机构：
[1] Graduate School of Engineering,Department of Polymer Chemistry
[2] Kyoto University,undefined
来源：
Polymer Journal | 2008年 / 40卷
关键词：
Dendritic Polymer; Glutamic Acid; Helical Polyacetylene;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
L-Glutamic acid-based novel dendritic phenylacetylene derivatives 1 and 2 were synthesized and polymerized with a rhodium catalyst to afford the corresponding polymers [poly(1) and poly(2)] with high molecular weights in 83–95% yields. Poly(1) formed a helical structure with predominantly one-handed screw sense in DMF, CHCl3, and MeOH, and poly(2) did in DMF. The helical conformation of poly(1) and poly(2) could be tuned by temperature. Poly(1) underwent solvent-driven helix-helix transition in CHCl3/DMF.
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页码：143 / 147
页数：4
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