发明授权
- 专利标题: Optically active compound
- 专利标题(中): 光学活性化合物
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申请号: US223641申请日: 1988-07-25
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公开(公告)号: US4946989A公开(公告)日: 1990-08-07
- 发明人: Ichiro Kawamura , Yoshio Imai
- 申请人: Ichiro Kawamura , Yoshio Imai
- 申请人地址: JPX Tokyo
- 专利权人: Showa Shell Sekiyu Kabushiki Kaisha
- 当前专利权人: Showa Shell Sekiyu Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX62-185580 19870727
- 主分类号: C07C69/76
- IPC分类号: C07C69/76 ; C07C69/773 ; C09K19/20
摘要:
A compound of ##STR1## (wherein n is an integer from 2 to 15; R' is ##STR2## m is total number of carbon atoms in R' and is an integer from 5 to 12, and * mark shows asymmetric carbon atom) which is useful for an electric indicative element of liquid crystal is provided.
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