申请人:Shin-Etsu Chemical Co., Ltd.
公开号:US05498737A1
公开(公告)日:1996-03-12
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.
以下是通用公式(1)表示的一种硅环己烷化合物:其中R表示具有1-10个碳原子的直链烷基,具有1-10个碳原子的单氟或双氟烷基,具有3-8个碳原子的支链烷基,具有2-7个碳原子的烷氧基烷基,或具有2-8个碳原子的烯基,且##STR2##中至少一个表示具有取代基H、F、Cl或CH.sub.3的硅在位置1或位置4的反式-1-硅-1,4-环己亚烷基或反式-4-硅-1,4-环己亚烷基,另一个是反式-1,4-环己亚烷基,X表示CN、F、F、Cl、CF.sub.3、OCF.sub.3、OCHF.sub.2、OCHFCl、CF.sub.2 Cl、OCF.sub.2 Cl、R或OR基团,Z.sub.1表示H、F或Cl,Z.sub.2表示H或F。