| abstract |
The present invention provides a material realizing high Δn, and also provides a liquid crystal composition comprising the compound as a constituent member, a liquid crystal display element using the liquid crystal composition, and a cholesteric liquid crystal display element. SOLUTION: General formula (1) An acetylene compound having an azobenzene moiety and a tetrahydronaphthalene structure, a liquid crystal composition containing the compound, a liquid crystal display device using the liquid crystal composition, a method for producing the compound represented by the general formula (1), and a method for use in the method General formula (4) A compound represented by [Selection figure] None |