| abstract |
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. <CHEM> 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 2-10 when X is -CH2-CH3, and C* represents an asymmetric carbon atom. |