发明授权
- 专利标题: Optically active-2,5-diphenylpyridine
- 专利标题(中): 光活性-2,5-二苯基吡啶
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申请号: US240584申请日: 1988-09-01
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公开(公告)号: US5047171A公开(公告)日: 1991-09-10
- 发明人: Kouji Ohno , Shinichi Saito , Hiromichi Inoue
- 申请人: Kouji Ohno , Shinichi Saito , Hiromichi Inoue
- 申请人地址: JPX Ohsaka
- 专利权人: Chisso Corporation
- 当前专利权人: Chisso Corporation
- 当前专利权人地址: JPX Ohsaka
- 优先权: JPX62-220824 19870903
- 主分类号: C07D213/24
- IPC分类号: C07D213/24 ; C07D213/26 ; C07D213/30 ; C07D213/57 ; C09K19/34 ; C09K19/42 ; C09K19/46 ; G02F1/137 ; G02F1/141
摘要:
A liquid crystal compound suitable as a material for ferroelectric liquid crystal display elements and a liquid crystal composition containing the same are provided, which liquid crystal compound is an optically active-2,5-diphenylpyridine expressed by the formula (I) ##STR1## wherein one of R.sup.1 and R.sup.2 is 1-20C alkenyl, alkynyl, alkoxy, alkenyloxy or alkynyloxy and the other is an optically active group; and X and Y each independently represent H, halogen or CN and at least one of X and Y is H.
公开/授权文献
- US6113335A Unloader 公开/授权日:2000-09-05
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