The present invention relates to bistolans of the formula I
where one or more of the radicals L
1
to L
3
denote an R
x
, where R
x
denotes cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl, and the other parameters are as defined in Claim
1
. The invention also encompasses liquid-crystalline media which comprise the title compounds, to components for high-frequency technology which comprise these media, in particular phase shifters and microwave array antennae.
本发明涉及式I的双
环丙烷,其中一个或多个基团L1到L3表示Rx,其中Rx表示环丙基、
环丁基、环戊基或环己基,其他参数如权利要求书中所定义。本发明还涵盖包含所述化合物的液晶介质,包含这些介质的高频技术组件,特别是相移器和微波阵列天线。