申请人:Shin-Etsu Chemical Co., Ltd.
公开号:US05665271A1
公开(公告)日:1997-09-09
Silacyclohexane compounds of the following formula (I) or (II) along with intermediate compounds therefor are described ##STR1## wherein R is an organic residue, one of ##STR2## represents a trans-1-sila-1,4-cyclohexylene group or trans-4-sila-1,4-cyclohexylene group having a substituent of H, F, Cl or CH.sub.3, and the other represents a trans-1,4-cyclohexylene group, or such a trans-1-sila-1,4-cyclohexylene group or trans-4-sila-1,4-cyclohexylene group as defined above, n is 0 or 1, L.sub.1 represents H or F, L.sub.2 represents H, F or Cl, and Z represents CN, F, Cl or an organic residue, and ##STR3## The processes for preparing the compounds (I) and (II) are also described along with liquid crystal compositions comprising the compounds and the liquid crystal devices comprising the compositions.
以下是化学方程式的中文翻译:
描述了具有以下化学式(I)或(II)的硅环己烷化合物以及其中间体化合物##STR1##其中R是有机残基,##STR2##中的一个代表具有H、F、Cl或CH.sub.3取代基的反式-1-硅-1,4-环己烯基或反式-4-硅-1,4-环己烯基,另一个代表反式-1,4-环己烯基,或者如上定义的反式-1-硅-1,4-环己烯基或反式-4-硅-1,4-环己烯基,n为0或1,L.sub.1代表H或F,L.sub.2代表H、F或Cl,Z代表CN、F、Cl或有机残基,以及##STR3##还描述了制备化合物(I)和(II)的过程,以及包括这些化合物的液晶组合物和包括这些组合物的液晶器件。