CARBOXYLIC ACID ESTER COMPOUNDS, AND THEIR RELATED MATTERS AND METHOD OF PRODUCING THE SAME

摘要

This invention relates to carboxylic acid ester compounds or liquid crystal compounds represented by the following formula ¢A!, liquid crystal compositions and liquid crystal elements using these compounds, the method of producing said liquid crystal elements, and other uses. <IMG> ,,, ¢A! wherein R represents one radical selected from the group consisting of an alkyl group having 6-18 carbon atoms, an alkoxy group having 6-18 carbon atoms, and a halogenated alkyl group having 6-18 carbon atoms, X represents -CF3 or -CH2-CH3, m is an integral number of 1-10 when X is -CF3, and an integral number of 2when X is -CH2-CH3, and C* represents an asymmetric carbon atom.