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Molecular Crystals and Liquid Crystals, Vol.515, 3-15, 2009
Preparation of Furan-Based Monomers and Asymmetric Electrochemical Polymerization in Cholesteric Liquid Crystals: Optical Activity and Selective Reflection
1,4-Di(2-furyl)-2,5-substituted phenylenes were synthesized by a Stille cross-coupling reaction. Subsequently, these monomers were electrochemically polymerized in a cholesteric liquid crystal (CLC) electrolyte solution. The polymers thus prepared showed circular dichroism, birefringence, and a fingerprint texture similar to that of the CLC electrolyte. Furthermore, one of the polymers displayed selective reflection under illumination by a white light emitting diode.