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US4876027A Optically active composition, mesomorphic compound and liquid crystal device 失效
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Optically active composition, mesomorphic compound and liquid crystal
device
摘要:
4-Alkoxybenzenethiol, bis-(4-alkoxyphenyl)disulfide, and mesomorphic compound deviced therefrom represented by the formula: ##STR1## wherein R.sub.1 is an alkyl or alkoxy group having 1-18 carbon atoms, R* is an alkyl group having 4-12 carbon atoms including an asymmetric carbon atom, 1=1 or 2, and m=0 or 1.
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