| 摘要 |
<p>The invention concerns 5-oxy-2-phenylpyridines of formula (I), in which m and n are, independently of each other, a number from 1 to 18, Q1 is -O-, trans-1,4-cyclohexylene, 1,4-phenylene or a single bond and Q2 is -CO-, α, β, or a single bond, subject to the condition that, when Q1 = Q2 = a single bond, m + n » 11 and, when Q2 = CO, the C¿n?H2n+1 group is a straight chain, as well as ferroelectric liquid-crystal materials containing these compounds.</p> |
