Liquid Crystals · 2005 · 66 citations · 18 references
Materials ScienceEngineeringHeterocyclicOrganic AzidesChiral 1,4‐DisubstitutedOrganic ChemistryLiquid Crystalline CompoundsClick ChemistryChemistryHeterocycle ChemistryAsymmetric CatalysisSynthetic ChemistryEnantioselective Synthesis
1,3‐Dipolar cycloaddition of organic azides to triple bonds, or 'click chemistry' has been used in order to obtain chiral 1,4‐disubstituted [1,2,3]‐triazoles. Liquid crystalline compounds bearing such heterocycles were prepared and SmA and N* (cholesteric) phases identified. Contact experiments indicated a right‐handed helix (RH‐helix) for the cholesteric phase, and attempts to corroborate experimental and theoretical results are presented.
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