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(L)乳酸手性衍生物的含氟二苯乙炔液晶的合成

Jian-xin WANG,Min ZHAO,Jian-xun WEN

Chinese Journal of Liquid Crystals and Displays（2014）

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Abstract
合成了化合物1-[(1-乙基羰基)乙基]-4-[4(2,3,5,6-四氟4烷氧基苯基)乙炔基]苯基对苯二甲酸酯(n=5,6,7,8).用热台偏光显微镜及差示量热分析法研究该化合物的液晶性,讨论了氟取代基及桥键对液晶性的影响.所有化合物皆显示互变的胆甾相,黏度低双折射较高,化学稳定,可以用于反射型液晶显示器及自适应光学系统.目的物的最后合成采用Sonogashira父叉偶合法.
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Key words
fluorinated liquid crystals,tolane,cholesteric,birefrigence
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