Optically active aromatic compounds, preparation process thereof, and liquid crystal compositions and elements
申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:EP0434297A2
公开(公告)日:1991-06-26
Disclosed in the present invention are the optically active aromatic compounds having a trifluoromethyl group useful as a component of ferroelectric liquid crystal compositions, a process for preparing the above compounds, liquid crystal compositions having the above compounds as an active ingredient, and liquid crystal elements using the above compositions. The optically active aromatic compounds of the present invention represented by the formula:
have the very excellent properties as a liquid crystal material and are useful for the preparation of liquid crystal compositions and the liquid crystal elements using such compositions.
Optically active aromatic compounds, preparation process thereof, and
申请人:Sumitomo Chemical Company, Limited
公开号:US05238598A1
公开(公告)日:1993-08-24
Disclosed in the present invention are the optically active aromatic compounds having a trifluoromethyl group useful as a component of ferroelectric liquid crystal compositions, a process for preparing the above compounds, liquid crystal compositions having the above compounds as an active ingredient, and liquid crystal elements using the above compositions. The optically active aromatic compounds of the Present invention represented by the formula: ##STR1## have the very excellent properties as a liquid crystal material and are useful for the preparation of liquid crystal compositions and the liquid crystal elements using such compositions.