Lactic acid derivative, liquid crystal composition containing same and
申请人:Canon Kabushiki Kaisha
公开号:US05167857A1
公开(公告)日:1992-12-01
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.