发明授权
US5679792A Derivatives of 3-cyclohexylpropionic acid, and the use thereof in
ferroelectric liquid-crystal mixtures
失效
3-环己基丙酸的衍生物及其在铁电液晶混合物中的应用
- 专利标题: Derivatives of 3-cyclohexylpropionic acid, and the use thereof in ferroelectric liquid-crystal mixtures
- 专利标题(中): 3-环己基丙酸的衍生物及其在铁电液晶混合物中的应用
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申请号: US457735申请日: 1995-06-01
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公开(公告)号: US5679792A公开(公告)日: 1997-10-21
- 发明人: Claus Escher , Gerhard Illian , Hubert Schlosser , Rainer Wingen
- 申请人: Claus Escher , Gerhard Illian , Hubert Schlosser , Rainer Wingen
- 申请人地址: DEX Frankfurt
- 专利权人: Hoechst Aktiengesellschaft
- 当前专利权人: Hoechst Aktiengesellschaft
- 当前专利权人地址: DEX Frankfurt
- 优先权: DEX4201598.7 19920122
- 主分类号: C07C69/608
- IPC分类号: C07C69/608 ; C07D239/26 ; C07D239/34 ; C07D285/12 ; C07D401/04 ; C07D405/12 ; C07F7/10 ; C09K19/30 ; C09K19/34 ; C09K19/40 ; G02F1/13 ; C07D213/89
摘要:
Compounds of formula I ##STR1## in which R.sup.1 and R.sup.2 are, for example, an alkyl chain, A is a mesogenic group, and M is a spacer group, are highly suitable as components of liquid-crystal mixtures.
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