Abstract 4-Alkylbiphenyl-4′-carboxylic and trans-4(4-alkylphenyl)cyclohexanecarboxylic acids have been synthesized. Their p-cyanophenyl esters formed only nematic mesophase in a wide temperature range, and p-hexyloxyphenyl esters-both smectic and nematic mesophases. The replacement of the benzene ring in carboxylic part of molecule by the 1,4-disubstituted transcyclohexane ring leads to decrease of nematic thermal stability and all dielectric constants.

Phenyl 4-Alkylbiphenyl-4′-carboxylic and trans-4(4-alkylphenyl)cyclohexanecarboxylic acids show nematic mesophase formation and decreased dielectric constants when replacing the benzene ring

Paper

Mesomorphism and Dielectric Properties of Phenyl 4 -Alkylbiphenyl-4′ -Carboxylates and Phenyl 4 (4-Alkylphenyl) cyclohexanecarboxylates

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