Carboxylate compounds, liquid crystal compositions containing said compounds and liquid crystal element
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United States of America Patent
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Mar 15, 1994
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N/A
app pub date -
Sep 4, 1991
filing date -
Aug 18, 1989
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Abstract
In accordance with the present invention, there are provided carboxylate compounds and liquid compositions thereof represented by the following formula (A) ##STR1## wherein R.sup.1 represents one group selected from the group consisting of alkyl group having 6 to 18 carbon atoms, alkoxy group having 6 to 18 carbon atoms and halogenated alkyl group of 6 to 18 carbon atoms, C* represents an asymmetric carbon atom, and R.sup.2 represents a group represented by the following formula (A)--(CH.sub.2).sub.m --CH.sub.3 or (B)--(CH.sub.2).sub.n --COOR.sub.3 wherein m represents an integer of 2 to 6, n represents an integer of 0 to 5, and R.sup.3 represents alkyl group having 1 to 10 carbon atoms.
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