BENZO[F]CHROME ANY PYRANO[3,2-F]CHROME DERIVATIVES FOR USE IN LIQUID CRYSTAL MEDIA
    99.
    发明申请
    BENZO[F]CHROME ANY PYRANO[3,2-F]CHROME DERIVATIVES FOR USE IN LIQUID CRYSTAL MEDIA 有权
    BENZO [F]任何吡啶衍生物[3,2-F]用于液晶介质中的色素衍生物

    公开(公告)号:US20110043746A1

    公开(公告)日:2011-02-24

    申请号:US12744804

    申请日:2008-11-03

    IPC分类号: C07D311/92 C07D493/04

    摘要: The present invention relates to benzo[f]chromene and pyrano[3,2-f]-chromene derivatives of the formula I in which L1, L2, R1, R2, A1, A2, Z1, Z2, m and n are as defined in claim 1, to the preparation thereof, to the use thereof as components in liquid-crystalline media, and to electro-optical display elements which contain the liquid-crystalline media according to the invention.

    摘要翻译: 本发明涉及其中L1,L2,R1,R2,A1,A2,Z1,Z2,m和n如上定义的式I的苯并[f]色烯和吡喃并[3,2-f] - 色烯衍生物 在权利要求1中,其制备方法,作为液晶介质中的组分的用途以及含有根据本发明的液晶介质的电光显示元件。