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Liquid Crystals Volume 32, 2005 - Issue 4
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Synthesis and mesomorphic properties of fluorinated phenyl 4‐[(4‐n‐alkoxy‐2,3‐difluorophenyl)ethynyl]benzoates

Lihua Yao Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Fenglin Road 354, Shanghai, 200032, PR China
,
Hengfeng Li Corresponding author Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Fenglin Road 354, Shanghai, 200032, PR China
&
Jianxun Wen Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Fenglin Road 354, Shanghai, 200032, PR China
Pages 527-531 | Received 20 Jun 2004, Accepted 29 Sep 2004, Published online: 07 Jul 2009
 
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Abstract

Three series of fluorinated phenyl 4‐[(4‐n‐alkoxy‐2,3‐difluorophenyl)ethynyl]benzoate liquid crystals have been synthesized. Their phase transition temperatures were measured by texture observation in a polarizing microscope and confirmed by DSC. Their mesomorphic properties and fluoro‐substituent effects were studied in detail.

Acknowledgements

The authors acknowledge gratefully the National Natural Science Foundation of China for financial support.

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