Liquid-Crystalline Dendrimers Designed by Click Chemistry

被引：16

作者：

Guerra, Sebastiano ^{[1
]}

Nguyen, Thi Le Anh ^{[1
]}

Furrer, Julien ^{[1
]}

Nierengarten, Jean-Francois ^{[2
,3
]}

Barbera, Joaquin ^{[4
]}

Deschenaux, Robert ^{[1
]}

机构：

[1] Univ Neuchatel, Inst Chim, Ave Bellevaux 51, CH-2000 Neuchatel, Switzerland

[2] Univ Strasbourg, LabChim Mat Mol, 25 Rue Becquerel, F-67087 Strasbourg 2, France

[3] Ecole Europeenne Chim Polymeres & Mat, CNRS, UMR 7509, 25 Rue Becquerel, F-67087 Strasbourg 2, France

[4] Univ Zaragoza, Fac Ciencias, Dept Quim Organ, Inst Ciencia Mat Aragon,CSIC, E-50009 Zaragoza, Spain

来源：

MACROMOLECULES | 2016年 / 49卷 / 09期

基金：

瑞士国家科学基金会;

关键词：

METAL-ORGANIC FRAMEWORK; SELF-ASSEMBLING DENDRONS; GOLD NANOPARTICLES; SUPRAMOLECULAR DENDRIMERS; TRIAZOLE DENDRIMERS; TERMINAL ALKYNES; BUILDING-BLOCKS; FULLERENE; CYCLOADDITION; POLYMERS;

D O I：

10.1021/acs.macromol.6b00432

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Liquid-crystalline dendrimers have been prepared from second-generation Percec-type poly(benzyl ether) dendrons or second-generation poly(aryl ester) dendrons carrying cyanobiphenyl mesogens. The Janus dendrimer, which combines the two types of dendromesogens, has also been synthesized. Those compounds have been prepared under copper-catalyzed azide-alkyne cycloaddition conditions. The mesomorphic properties have been studied by thermal analysis (POM, DSC) and small-angle X-ray scattering. Smectic A, nematic, and columnar phases have been observed depending on the dendritic building blocks. The click reaction has proven to be a powerful and elegant synthetic tool for the design of complex dendritic liquid-crystalline architectures.

引用

页码：3222 / 3231

页数：10

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