Abstract

Abstract Four members of (S)-(+)-Methyl-2-butyl-[4′-(4-n-alkoxybenzoyloxy)benzilidene]-4-aminobenzoate (Series I) and four members of (S)-(+)-Methyl-2-butyl-[4′-(4-n-alkoxycinnamoyloxy)benzilidene]-4-aminobenzoate (Series II) were synthesized. Both series show cholesteric, smectic A and smectic C* phases. The phase transition behavior is described and measurements of the optical tilt angle and helix pitch in the smectic C* phase are presented.

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