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Synthesis and mesomorphic properties of mesogens containing (4-polyfluoroalkoxy-2,3-5,6-tetrafluorophenyl)groups
其他题名含有(4-多氟烷氧基-2,3,5,6-四氟苯基)乙炔基基团液晶的合成及相变性质
Wang K(王侃); Chen BQ(陈宝铨); Yang YG(杨永刚); Li HF(李衡峰); Liu KG(刘克刚); Wen JX(闻建勋)
2001
发表期刊J. Fluor. Chem.
ISSN0022-1139
卷号110期号:1页码:37-42
摘要Due to the activation of fluorine atoms in aromatic rings by four other flurine atoms and a4-ethynyl bond, polyfluoroalkoxy chains can be introduced into aromatic rings by direct nucleophilic substitution reaction using potassium carbonate as base to prepare 4-polyfluoroalkyoxy-2,3,5,6-tetrafluorophenylacetylenes. Seven compounds containing (4-polyfluoroalkoxy-2,3-5,6-tetrafluorophenyl)ethynyl groups have been prepared by catalytic reaction using bis(triphenylphosphine)pallladium dichloride and copper(I) iodide as catalysts. Mesomorphic properties of target compounds were investigated by optical polarizing microscopy and differential scanning calorimetry (DSC).Mesophases were devalued by highly fluorinated alkoxy terminal chains compared with similar compounds whose terminal chains were not highly fluorinated.
学科领域氟化学
部门归属中国科学院上海有机化学研究所高分子材料研究室
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收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.sioc.ac.cn/handle/331003/21607
专题中科院有机氟化学重点实验室
通讯作者Wen JX(闻建勋)
推荐引用方式
GB/T 7714
Wang K,Chen BQ,Yang YG,et al. Synthesis and mesomorphic properties of mesogens containing (4-polyfluoroalkoxy-2,3-5,6-tetrafluorophenyl)groups[J]. J. Fluor. Chem.,2001,110(1):37-42.
APA 王侃,陈宝铨,杨永刚,李衡峰,刘克刚,&闻建勋.(2001).Synthesis and mesomorphic properties of mesogens containing (4-polyfluoroalkoxy-2,3-5,6-tetrafluorophenyl)groups.J. Fluor. Chem.,110(1),37-42.
MLA 王侃,et al."Synthesis and mesomorphic properties of mesogens containing (4-polyfluoroalkoxy-2,3-5,6-tetrafluorophenyl)groups".J. Fluor. Chem. 110.1(2001):37-42.
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