abstract |
1,3,5-Trifluoronaphthalene derivative of the formula (I): R ?1(-A1-M1)¿a(-A2-M2)b-B(-M3-A3)c(-M4-A4)d-R2, in which B is (1) and R?1(-A1-M1)¿a(-A2-M2) and (-M?3-A3)(-M4-A4)R2¿ mean mesogene radicals, are suited as components of liquid crystal in particular ferro-electric mixtures. |