Citation: Kong Liang Xie, Yin He Su, Chun Xiang Zhang. Synthesis and optical activity of isosorbide chiral derivative containing fluorocarbon group as chiral dopant in liquid crystal materials[J]. Chinese Chemical Letters, ;2011, 22(12): 1447-1450. doi: 10.1016/j.cclet.2011.07.021 shu

Synthesis and optical activity of isosorbide chiral derivative containing fluorocarbon group as chiral dopant in liquid crystal materials

College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China

Received Date: 25 May 2011

Fund Project: The authors thank the financial support from the National Natural Science Foundation of China (No.20776030).

Novel isosorbide derivative containing perfluorocarbon group, bi (perfluorooctanesulfonyl)isosorbide ester as chiral dopant in liquid crystal, was synthesized. Chemical structure was characterized by elemental analysis, FT-IR, ¹H NMR and 19F NMR. The optical texture of the mixture was observed by polarized optical microscopy (POM). Novel chiral dopant containing perfluorocarbon group had excellent optical activity. Its specific rotation and molar rotation were noticeable higher than those of bi (4-chloromethylbenzenecarbonic)isosorbide ester. The fluorocarbon group improved the molar rotation of chiral compound and did not affect optical rotation direction. The texture of the mixture added isosorbide derivative with fluorocarbon group showed the oily streak texture.
- Optical properties,
- Surfaces,
- Texture,
- Liquid crystal,
- Fluorocarbon
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