申请人:Canon Kabushiki Kaisha
公开号:US05595685A1
公开(公告)日:1997-01-21
A mesomorphic compound represented by: ##STR1## where R.sub.1 and R.sub.2 are alkyl; X.sub.1 and X.sub.3 are a single bond, ##STR2## X.sub.2 is a single bond, ##STR3## A.sub.1, A.sub.2 and A.sub.3 are a single bond, aryl, heteroaryl, pyrimidyl or cyclohexyl, X.sub.4a, X.sub.5a, X.sub.4b, X.sub.5b, X.sub.4c and X.sub.5c are H, F, Cl, Br, --CH.sub.3, --CN or --CF.sub.3 ; and n is 0 or 1.
一种介向化合物,表示为:## STR1 ##其中R1和R2是烷基;X1和X3是单键,## STR2 ## X2是单键,## STR3 ## A1,A2和A3是单键,芳基,杂环芳基,嘧啶基或环己基,X4a,X5a,X4b,X5b,X4c和X5c是H,F,Cl,Br,-CH3,-CN或-CF3;n为0或1。