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Chiral smectic C phases exhibited by biphenyl resorcylate and vanillate derivatives

  • Jeon, Y.J.
  • Lee, J.C.
  • Shivkumar, B.
Publication Date
Jan 01, 1999
Raman Research Institute Digital Repository
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We report the synthesis and mesomorphic behaviour of alkoxybiphenyl resorcylate and vanillate derivatives with a chiral moiety obtained from chloro analogues of L-leucine, L-valine and L-isoleucine. The compounds have been characterized by NMR spectroscopy and the mesophases studied by DSC and optical microscopy. In the synthesized compounds, an enantiotropic chiral smectic C phase over a wide temperature range has been observed. Changes in the phase behaviour caused by structural variations in the core and the optically active alkyl chain are also discussed.

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