- 专利标题： Lactic acid derivative, liquid crystal composition containing same and liquid crystal device
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申请号： US776963申请日： 1985-09-17
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公开(公告)号： US4775223A公开(公告)日： 1988-10-04
- 发明人: Kazuo Yoshinaga , Kazuharu Katagiri
- 申请人： Kazuo Yoshinaga , Kazuharu Katagiri
- 申请人地址： JPX Tokyo
- 专利权人： Canon Kabushiki Kaisha
- 当前专利权人： Canon Kabushiki Kaisha
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX59-195770 19840920; JPX59-233269 19841107; JPX60-133527 19850619; JPX60-133528 19850619; JPX60-134835 19850620; JPX60-134836 19850620
- 主分类号： C07C43/13
- IPC分类号： C07C43/13 ; C07C59/125 ; C07C59/64 ; C07C291/08 ; C07D239/26 ; C09K19/12 ; C09K19/20 ; C09K19/24 ; C09K19/26 ; C09K19/34 ; G02F1/13 ; C09K19/22 ; C09K19/52
摘要：
An optically active lactic acid derivative represented by the following formula (I): ##STR1## wherein R is a saturated or unsaturated hydrocarbon group of a linear, branched or cyclic structure having 4 to 20 carbon atoms; Ra is --CO--Rb or --CH.sub.2 --Rc wherein Rb is a releasable chemically active group, and Rc is a releasable chemically active group; and C with * represents an asymmetric carbon atom.
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