申请人:Merck Patent Gesellschaft
公开号:US06534135B1
公开(公告)日:2003-03-18
The invention relates to a process of preparing a discotic liquid crystalline compound by intramolecular oxidative cyclisation of a diaryl compound in an organic solvent in the presence of a strong acid, characterized in that an oxidative agent comprising a chrom(VI)oxide derivative is used, to discotic liquid crystalline compounds obtainable from said process, to liquid crystalline media, (co)polymers or polymer networks with columnar phases comprising said discotic liquid crystalline compounds, and to the use of said discotic liquid crystalline compounds, liquid crystalline media or liquid crystalline (co)polymers with columnar phases for liquid crystal displays, optical elements like polarizers, compensators or colour filters, chemical sensors, charge transport materials, optical storage media, nonlinear optics, decorative pigments, adhesive or synthetic resins with anisotropic mechanical properties.
该发明涉及一种通过在有机溶剂中在强酸存在下对二芳基化合物进行分子内氧化环化制备片状液晶化合物的方法,其特征在于使用包含铬(VI)氧化物衍生物的氧化剂,以获得从该方法中可获得的片状液晶化合物、液晶介质、(共)聚合物或具有包含所述片状液晶化合物的柱状相的聚合物网络,以及使用所述片状液晶化合物、液晶介质或具有柱状相的液晶(共)聚合物用于液晶显示器、偏振器、补偿器或彩色滤光片、化学传感器、电荷传输材料、光学存储介质、非线性光学、装饰性颜料、具有各向异性机械性能的粘合剂或合成树脂。