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发明授权
US5498737A Silacyclohexane compound, a method of preparing it and a liquid crystal composition containing it 失效
硅环己烷化合物，其制备方法和含有它的液晶组合物

Silacyclohexane compound, a method of preparing it and a liquid crystal composition containing it
摘要：
A silacyclohexane compound represented by the following general formula (1): ##STR1## wherein R denotes a linear-chain alkyl group with a carbon number of 1-10, a mono- or di-fluoroalkyl group with a carbon number of 1-10, a branched-chain alkyl group with a carbon number of 3-8, an alkoxyalkyl group with a carbon number of 2-7, or an alkenyl group with a carbon number of 2-8, and at least one of ##STR2## denotes a trans-1-sila-1,4-cyclohexylene or a trans-4-sila-1,4-cyclohexylene group whose silicon at position 1 or position 4 has a substitutional group(s) of H, F, Cl or CH.sub.3 and the other is a trans-1,4-cyclohexylene group, X denotes a CN, F, F, Cl, CF.sub.3, OCF.sub.3, OCHF.sub.2, OCHFCl, CF.sub.2 Cl, OCF.sub.2 Cl, R or OR group, Z.sub.1 denotes H, F or Cl, and Z.sub.2 denotes H or F.
摘要（中）：

由以下通式（1）表示的硅环己烷化合物：其中R表示碳原子数为1〜10的直链烷基，碳数为1的单或二氟烷基 1-10，碳数为3-8的支链烷基，碳数为2-7的烷氧基烷基或碳数为2-8的烯基，以及至少一个 “IMAGE”和“IMAGE”表示反式-1-硅烷-1,4-亚环己基或反式-4-硅烷-1,4-亚环己基，其位置1或位置4的硅的取代基为H ，F，Cl或CH 3，另一个是反式-1,4-亚环己基，X表示CN，F，F，Cl，CF 3，OCF 3，OCHF 2，OCHFCl，CF 2 Cl，OCF 2 Cl，R或OR基， H，F或Cl，Z2表示H或F.

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