Synthesis and Mesomorphic Properties of the Homologous Series of 4-Alkyl or Alkoxy-4′-Bromo or Cyanotolanes

NH Tinh, A Pourrere, C Destrade

Index: Tinh; Pourrere; Destrade Molecular crystals and liquid crystals, 1980 , vol. 62, # 1-2 p. 125 - 139

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Citation Number: 16

Abstract

Abstract A homologous series of 4-alkyl or alkoxy-4′-bromo or cyanotolanes in which the alkyl group is C4→ C10 and the alkoxy group is C1→ C12, has been prepared. Interphase transitions between solid, mesomorphic and isotropic phases were studied by hot stage microscopy and differential scanning calorimeter. The bromo compounds have a smectic polymorphism. Three pure products of cyano derivatives with the chains C9H19O, ...