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A series of new ferroelectric liquid crystals characterized by the presence of a thioester core and an alkoxycarbonyl tail derived from a chiral 2-alkanol has been prepared and evaluated. The synthesis of these materials is straightforward and employs p-mercaptobenzoic acid as a critical intermediate. Some of the new liquid crystals are remarkable due to their large polarizations and rapid electro-optic switching near room temperature in the SSFLC configuration.
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Twieg et al. (1991) studied this question.
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