申请人:Shin-Etsu Chemical Co., Ltd.
公开号:US05595686A1
公开(公告)日:1997-01-21
A silacyclohexane compound of the following formula (I) ##STR1## wherein R represents an organic residue; at least one of ##STR2## represents a substituted or unsubstituted trans-1-sila-1,4-cyclohexylene group or trans-4-sila-1,4-cyclohexylene group and the other represents a trans-1,4-cyclohexylene group, L.sub.1 and L.sub.2 independently represent H, F, Cl or CH.sub.3 ; X represents an organic residue or CN, F, Cl; and m and n are, respectively, 0 or 1 provided that m+n=1. Silacyclohexane compounds are useful in liquid crystal compositions and also in liquid crystal devices.
以下是化学式为(I)的硅杂环己烷化合物:
其中,R代表有机残基;至少一个##STR2##表示取代或未取代的trans-1-硅-1,4-环己基基团或trans-4-硅-1,4-环己基基团,另一个表示trans-1,4-环己基,L1和L2独立地表示H,F,Cl或CH3;X表示有机残基或CN,F,Cl;m和n分别为0或1,前提是m+n=1。硅杂环己烷化合物可用于液晶组合物以及液晶装置中。