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Molecular Crystals and Liquid Crystals Volume 549, 2011 - Issue 1: Proceedings of the 5th Italian-Japanese Workshop on Liquid Crystals 2010 (JILC2010) and the 9th Italian National Meeting on Liquid Crystals (SILC2010)
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Original Articles

Synthesis and Physical Properties of Ferrocene Derivatives (XXV) Liquid Crystallinity of 1,3-Disubstituted Ferrocene Derivatives

Naotake Nakamura Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, 1-1-1, Nojihigashi, Kusatsu, Shiga 525-8577, Japan
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Shinya Kagawa Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, 1-1-1, Nojihigashi, Kusatsu, Shiga 525-8577, Japan
Pages 150-159 | Published online: 07 Oct 2011
 
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Abstract

Liquid crystallinity of 1,3-disubstituted ferrocene derivatives was studied by DSC and polarizing microscope. The name of the derivatives is 1,3-bis[ω-[4-(4-methoxyphenoxycarbonyl)phenoxy]alkyloxycarbonyl]ferrocene. Nine members from n = 2 to 10 were synthesized (n is carbon number of alkyl chain in the sample). All samples except n = 2 and 4 exhibited monotropic nematic liquid crystalline phase. In addition, smectic X (not yet completely identified) was also observed in n = 8 and 10. Liquid crystalline phase transition phenomena were discussed from a viewpoint of molecular shape.

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