abstract |
(57) [Summary] (Corrected) [PROBLEMS] To have no or only to a small extent the drawbacks of the prior art, and to provide the properties of liquid crystal mixtures, especially chiral smectic mixtures, such as dielectric anisotropy Provided is a liquid crystal compound having a beneficial effect on properties and / or melting points, and further having a beneficial effect on switching behavior. A fluorinated azole compound represented by the following formula (I). R 1 (-A 1 ) a -T- (A 2- ) b (M-A 3- ) c R 2 (I) wherein T is 4-fluorothiazole-2,5-diyl and the like, and the direction of these groups may be any; 1 and R 2 are hydrogen, linear or branched C 1-20 - alkyl group and the like, A 1, A 2 and A 3 Is phenylene-1,4-diyl, cyclohexane- M is -OC (= O)-, —OCH 2 — and the like, and the direction of these groups may be any; a, b, and c are 0 or 1, provided that the sum of a + b + c is 1 or 2. The following compounds are preferred. |