Silacyclohexane compound, a method of preparing it and a liquid crystal
composition containing it
    4.
    发明授权
    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

    公开(公告)号:US5582764A

    公开(公告)日:1996-12-10

    申请号:US395706

    申请日:1995-02-28

    摘要: A silacyclohexane compound represented by the following general formula (I). ##STR1## In this formula, R denotes a linear-chain alkyl group with a carbon number of 1-10, a fluoroalkyl group with a carbon number of 1-10 in which a fluorine atom(s) is substituted for one or two hydrogen atoms, an alkoxy group, 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. a and b denote 0 or 1 and (a+b)=0 or 1; For ##STR2## at least one of the two 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. X denotes H, CN, F, Cl, CF.sub.3, CF.sub.2 Cl, CHFCl, OCF.sub.3, OCF.sub.2 Cl, OCHFCl, OCHF.sub.2, R or OR. Y and Z denote F, Cl or CH.sub.3. i and j denotes 0, 1 or 2.

    摘要翻译: 由以下通式(I)表示的硅环己烷化合物。 (I)在该式中,R表示碳数为1-10的直链烷基,碳原子数为1-10的氟代烷基,其中氟原子取代一个 或两个氢原子,烷氧基,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。 a和b表示0或1,(a + b)= 0或1; 对于,两个中的至少一个表示反式-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的硅具有取代基( s)H,F,Cl或CH 3。 X表示H,CN,F,Cl,CF 3,CF 2 Cl,CHFCl,OCF 3,OCF 2 Cl,OCHFCl,OCHF 2,R或OR。 Y和Z表示F,Cl或CH3。 i和j表示0,1或2。

    Silacyclohexane compound, a method of preparaing it and a liquid crystal
composition containing it
    5.
    发明授权
    Silacyclohexane compound, a method of preparaing 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

    公开(公告)号:US5523440A

    公开(公告)日:1996-06-04

    申请号:US388307

    申请日:1995-02-14

    IPC分类号: C07F7/08 C07F7/12 C09K19/40

    摘要: There is provides a silacyclohexane compound and method of making same. The silacyclohexane compound has the following formula (1): ##STR1## wherein R denotes a linear-chain alkyl 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, a mono- or di-fluoroalkyl group with a carbon number of 1-10, or an alkenyl group with a carbon number of 2-8, and ##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, X denotes H, CN, F, Cl, CF.sub.3, OCF.sub.3, CF.sub.2 Cl, CHFCl, OCHF.sub.2, OCF.sub.2 Cl, OCHFCl, R or OR group, Z denotes F, and i denotes 0, 1 or 2.

    摘要翻译: 提供硅环己烷化合物及其制备方法。 硅环己烷化合物具有下式(1):其中R表示碳数为1-10的直链烷基,碳数为3-8的支链烷基, 碳数为2-7的烷氧基烷基,碳数为1-10的单 - 或二 - 氟代烷基或碳数为2-8的烯基,< IMAGE> 1-硅烷-1,4-亚环己基或其1位或4位的硅具有H,F,Cl或CH的取代基的反式-4-硅烷-1,4-亚环己基,X表示H ,CN,F,Cl,CF 3,OCF 3,CF 2 Cl,CHFCl,OCHF 2,OCF 2 Cl,OCHFCl,R或OR基,Z表示F,i表示0,1或2。

    Silacyclohexane compound, a method of preparing it and a liquid crystal
composition containing it
    8.
    发明授权
    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

    公开(公告)号:US5578244A

    公开(公告)日:1996-11-26

    申请号:US415858

    申请日:1995-04-03

    摘要: A silacyclohexane compound represented by the following general formula (I) ##STR1## wherein R denotes a linear-chain alkyl group with a carbon number of 1-10, a fluoroalkyl group with a carbon number of 1-10 in which a fluorine atom(s) is substituted for one or two hydrogen atoms, 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. ##STR2## denotes a trans-1-sila-1,4-cyclohexylene or 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. L.sub.1 and L.sub.2 independently denote H or F. L.sub.3 and L.sub.4 independently denote H, F or Cl. X denotes a H, CN, F, Cl, CF.sub.3, CF.sub.2 Cl, CHFCl, OCF.sub.3, OCF.sub.2 Cl, OCHFCl, OCHF.sub.2, or a linear-chain alkyl or alkoxy group with a carbon number of 1-10. i, j and k respectively denote 0 or 1, where (i+j+k) is 0 or 1. n denotes 0, 1 or 2.

    摘要翻译: 由以下通式(I)表示的硅环己烷化合物其中R表示碳数为1-10的直链烷基,碳数为1-10的氟代烷基,其中a 氟原子取代一个或两个氢原子,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。 表示1位或4位的硅具有H,F,Cl取代基的反式-1-硅烷-1,4-亚环己基或反式-4-硅烷-1,4-亚环己基 或CH3。 L1和L2独立地表示H或F.L3和L4独立地表示H,F或Cl。 X表示H,CN,F,Cl,CF 3,CF 2 Cl,CHFCl,OCF 3,OCF 2 Cl,OCHFCl,OCHF 2或碳数为1-10的直链烷基或烷氧基。 i,j和k分别表示0或1,其中(i + j + k)为0或1.n表示0,1或2。

    Process for preparing silacyclohexane compounds
    10.
    发明授权
    Process for preparing silacyclohexane compounds 失效
    硅环己烷化合物的制备方法

    公开(公告)号:US5560866A

    公开(公告)日:1996-10-01

    申请号:US491141

    申请日:1995-06-16

    CPC分类号: C09K19/406 C07F7/083

    摘要: A process for preparing a silacyclohexane compound of the general formula ##STR1## wherein R and Q are, respectively, defined substituents, which process comprising the steps of converting a compound of the following formula ##STR2## to a halosilacyclohexane of the following formula ##STR3## wherein X is a halogen, reacting the halosilacyclohexane with an alcohol to obtain an alkoxysilacyclohexane of the formula which is equilibrated in steric configuration, and ##STR4## reducing the equilibrated alkoxysilacyclohexane whereby a trans form silacyclohexane compound is predominantly produced.

    摘要翻译: 制备通式为“IMAGE”的硅环己烷化合物的方法,其中R和Q分别为限定的取代基,该方法包括以下步骤:将下式的化合物转化为下式的卤代环己烷:IMA IMA >其中X是卤素,使卤代二环己烷与醇反应,得到在空间结构中平衡的式的烷氧基硅烷环己烷,并且还原平衡的烷氧基硅烷环己烷,由此主要生产反式形式的硅环己烷化合物。