申请人:Chisso Corporation
公开号:US04963288A1
公开(公告)日:1990-10-16
New fluoroalkoxydiphenyl pyrimidines which are organic compounds having optically active groups, liquid crystal compositions containing the said compounds and electro-optic elements using the said compositions are provided. The compounds have the following general formula: ##STR1## wherein R.sup.1 is an alkyl or alkoxy group having 1-20 carbon atoms, a halogen atom or a cyano group, R.sup.2 is a straight-chain or branched chain alkyl group having 1-15 carbon atoms, --A-- is a group of ##STR2## X and Y independently indicate a hydrogen atom, a halogen atom or a cyano group, and * indicates that its carbon atom is an asymmetric carbon atom.
提供了一种具有光学活性基团的有机化合物——新的氟烷氧基二苯基嘧啶,以及包含该化合物的液晶组合物和使用该组合物的电光元件。该化合物具有以下通式:##STR1## 其中,R.sup.1是具有1-20个碳原子的烷基或烷氧基、卤素原子或氰基,R.sup.2是具有1-15个碳原子的直链或支链烷基,--A--是##STR2## X和Y分别表示氢原子、卤素原子或氰基,*表示其碳原子为不对称碳原子。