| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid crystalline compound having a large positive value of dielectric anisotropy and small viscosity.SOLUTION: A compound is represented by formula (1). [In the formula (1), Ris 1-20C alkyl or the like; ring Ais 1,4-cyclohexylene or the like; ring Ais 1,4-phenylene, 2-fluoro-1,4-phenylene, 2,6-difluoro-1,4-phenylene or the like; ring Ais 1,4-cyclohexylene, 1,4-phenylene, 2-fluoro-1,4-phenylene, 2,6-difluoro-1,4-phenylene or the like; and Xis halogen, 1-10C alkyl or the like; and in the alkyl, at least one of hydrogen may be replaced with halogen or the like]. |
