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US5665271A Silacyclohexane compounds, preparation thereof, liquid crystal compositions comprising the same, and liquid crystal devices comprising the compositions 失效
硅环己烷化合物，其制备方法，含有它们的液晶组合物和包含该组合物的液晶装置

Silacyclohexane compounds, preparation thereof, liquid crystal compositions comprising the same, and liquid crystal devices comprising the compositions
摘要：
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.
摘要（中）：

描述下式（I）或（II）的硅环己烷化合物及其中间体化合物描述：其中R是有机残基，其中一个表示反式-1-硅烷-1,4-二醇， 具有H，F，Cl或CH 3的取代基的亚环己基或反式-4-硅烷-1,4-亚环己基，另一个表示反式-1,4-亚环己基或反式-1-硅烷基， 1,4-亚环己基或反式-4-硅烷-1,4-亚环己基，n为0或1，L 1表示H或F，L 2表示H，F或Cl，Z表示CN，F， Cl或有机残基，以及包含化合物的液晶组合物和包含该组合物的液晶装置也描述了（I）和（II）。

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