申请人:Showa Shell Sekiyu Kabushiki Kaisha
公开号:US05110496A1
公开(公告)日:1992-05-05
An optically active liquid crystal compound which is represented by the formula: ##STR1## wherein R.sub.1 and R.sub.2 each represents an alkyl or aralkyl group of 4-18 carbon atoms, R.sub.3 represents a haloalkyl group, X represents O, COO, OCO, CO or a single bond, Y represents COO, OCO, CH.sub.2 O or OCH.sub.2, Z represents COO or O, (A) represents a cyclic group shown by ##STR2## (B) represents a cyclic group shown by ##STR3## and l shows that the cyclic groups are substituted by at least one halogen atom.
一种光学活性的液晶化合物,其化学式表示为:##STR1## 其中R.sub.1和R.sub.2分别表示碳原子数为4-18的烷基或芳基烷基基团,R.sub.3表示卤代烷基基团,X表示O、COO、OCO、CO或单键,Y表示COO、OCO、CH.sub.2 O或OCH.sub.2,Z表示COO或O,(A)表示由##STR2##所示的环状基团,(B)表示由##STR3##所示的环状基团,l表示环状基团至少被一个卤原子取代。