abstract |
The present invention relates to bistolanes of the formula I. wherein one or more of L 1 to L 3 is an R x , wherein R x is a cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl, and the other parameters are as defined in claim 1. The invention also includes liquid crystalline media containing the title compounds, components containing these media for high frequency engineering, particularly phase shifters and microwave array antennas. |