Silacyclohexane compound, a process for producing the same, and a liquid
crystal composition comprising the same
    1.
    发明授权
    Silacyclohexane compound, a process for producing the same, and a liquid crystal composition comprising the same 失效
    硅环己烷化合物,其制造方法以及含有它们的液晶组合物

    公开(公告)号:US5725797A

    公开(公告)日:1998-03-10

    申请号:US742626

    申请日:1996-10-31

    摘要: For the purpose of improving the characteristics of a liquid crystal substance, there is provided a silacyclohexane compound represented by the general formula (I): ##STR1## wherein R represents a specific straight-chain alkyl group, mono or difluoro alkyl group, branched-chain alkyl group, alkoxyalkyl group, and alkenyl group; at least one of rings A and B represent a trans-1-sila-1,4-cyclohexylene group or a trans-4-sila-1,4-cyclohexylene group both having a substituent group H, F, Cl, CH.sub.3 or Ar (Ar stands for a phenyl or tolyl group) on silicon at the 1 or 4 position, and the other group, if any, represents a trans-1,4-cyclohexylene group or ##STR2## Z represents CN, F, Cl, CF.sub.3, CClF.sub.2, CHClF, OCF.sub.3, OCClF.sub.2, OCHF.sub.2, OCHClF, R, or OR; L.sub.1 represents H, F or Cl; L.sub.2 and L.sub.3 stand independently for H or F; i represents an integer of 0 to 2; m is 1 or 2; n is 0 or 1; and if m is 2, the two rings may be the same or different.

    摘要翻译: 为了改善液晶物质的特性,提供了由通式(I)表示的硅环己烷化合物:其中R表示特定的直链烷基,单或二氟烷基 ,支链烷基,烷氧基烷基和烯基; 环A和B中的至少一个表示具有取代基H,F,Cl,CH 3或Ar的反式-1-硅烷-1,4-亚环己基或反式-4-硅烷-1,4-亚环己基 (Ar表示苯基或甲苯基),另一组(如果有的话)表示反式-1,4-亚环己基或Z表示CN,F,Cl,CF 3 ,CClF 2,CHClF,OCF 3,OCClF 2,OCHF 2,OCHClF,R或OR; L 1表示H,F或Cl; L2和L3独立地用于H或F; i表示0〜2的整数, m为1或2; n为0或1; 如果m为2,则两个环可以相同或不同。

    Silacyclohexane compound, a method of preparing it and a liquid crystal
composition containing it
    6.
    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:US5679746A

    公开(公告)日:1997-10-21

    申请号:US576619

    申请日:1995-12-21

    摘要: A silacyclohexane compound represented by the following general formula (I): ##STR1## wherein R denotes a mono- or di-fluoroalkyl group with 1-10 carbons: ##STR2## denotes a trans-1-silacyclohexylene or a trans-4-silacyclohexylene group whose silicon at position 1 or position 4 has a substitutional group of H, F, Cl or CH.sub.3 ; X denotes a CN, F, Cl, CF.sub.3, CF.sub.2 Cl, CHFCl, OCF.sub.3, OCHF.sub.2, OCF.sub.2 Cl, OCHFCl, (O).sub.3 CY.sub.1 .dbd.CX.sub.1 X.sub.2 (X.sub.1 and Y.sub.1 denote H, F or Cl, and X.sub.2 denotes F or Cl) (O).sub.3 C.sub.p H.sub.q F.sub.r (p denotes 2, 3 or 4, and q and r are integers which satisfy the equation q+r=2p+1, and s denotes 0 or 1), the aforementioned R, or an alkyl or alkoxy group with 1-5 carbons; Y denotes H or F; and Z denotes H or F; and process of manufacturing same.

    摘要翻译: 由以下通式(I)表示的硅环己烷化合物:其中R表示具有1-10个碳的单 - 或二 - 氟烷基:表示反式-1-硅杂环己烯或反式-4-硅杂环己烯 其位置1或位置4的硅具有H,F,Cl或CH 3的取代基; X表示CN,F,Cl,CF 3,CF 2 Cl,CHFCl,OCF 3,OCHF 2,OCF 2 Cl,OCHFCl,(O)3CY 1 = CX 1 X 2(X 1和Y 1表示H,F或Cl,X2表示F或Cl)(O) 3CpHqFr(p表示2,3或4,q和r是满足方程式q + r = 2p + 1,s表示0或1的整数),上述R 1或具有1-5个碳原子的烷基或烷氧基 碳; Y表示H或F; Z表示H或F; 和制造过程相同。

    Silacyclohexane compounds, preparation thereof liquid crystal
compositions comprising the same, and liquid crystal devices comprising
the composition
    7.
    发明授权
    Silacyclohexane compounds, preparation thereof liquid crystal compositions comprising the same, and liquid crystal devices comprising the composition 失效
    硅环己烷化合物,其制备方法包括该组合物的液晶组合物和包含该组合物的液晶装置

    公开(公告)号:US5730901A

    公开(公告)日:1998-03-24

    申请号:US644775

    申请日:1996-05-10

    摘要: A silacyclohexane compound of the formulas (I) ##STR1## wherein R represents an organic residue, ##STR2## represents an unsubstituted or substituted silicon-containing cyclohexylene group or a 1,4-cyclohexylene group, ##STR3## represents an unsubstituted or substituted phenylene, an unsubstituted or substituted silicon-containing cyclohexylene group or trans-4-sila-1,4-cyclohexylene group, or a 1,4-cyclohexylene group provided that at least one of these residues represents a silicon-containing cyclohexylene group, m, n, i, k and l are, respectively, 0 or 1 provided that j+l=0 or 1 and m+k=1 or 2, L.sub.1 and L.sub.2, respectively, represent H or F, m and n are, respectively, 0 or 1, X.sub.1 and Y independently represent H, F or Cl, and X.sub.2 represents F or Cl. A liquid crystal composition comprising the silacyclohexane compound of the above formula is also described, along with a liquid crystal device comprising the composition.

    摘要翻译: 式(I)的硅环己烷化合物其中R表示有机残基,“IMAGE”表示未取代或取代的含硅亚环己基或1,4-亚环己基, 未取代或取代的含硅亚环己基或反式-4-硅烷-1,4-亚环己基或1,4-亚环己基,条件是这些残基中的至少一个表示含硅亚环己基,m n,i,k和l分别为0或1,只要j + 1 = 0或1,m + k = 1或2,则L1和L2分别表示H或F,m和n分别为 ,0或1,X1和Y独立地表示H,F或Cl,X2表示F或Cl。 还描述了包含上式的硅环己烷化合物的液晶组合物以及包含该组合物的液晶装置。

    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:US5868961A

    公开(公告)日:1999-02-09

    申请号:US514085

    申请日:1995-08-11

    CPC分类号: C09K19/42 C09K19/406

    摘要: A silacyclohexane compound represented by the following general formula (I). ##STR1## In this formula, R denotes a linear-chain alkyl group with 1-10 carbon atoms, a branched-chain alkyl group with 3-8 carbon atoms, a mono- or di-fluoroalkyl group with 1-10 carbon atoms, an alkoxyalkyl group with 2-7 carbon atoms, or an alkenyl group with 2-8 carbon atoms. ##STR2## is trans-1-silacyclohexylene or trans-4-silacyclohexylene group whose silicon at position 1 or position 4 has a substitutional group(s) of H, F, Cl or CH.sub.3. X denotes a R, OR, CN, F, Cl, CF.sub.3, CF.sub.2 Cl, CHFCl, OCF.sub.3, OCHF.sub.2, OCF.sub.2 Cl, OCHFCl, --(O).sub.m --CY.sub.1 .dbd.CX.sub.1 X.sub.2 (m denotes 0 or 1, Y.sub.1 and X.sub.1 respectively denote H, F or Cl, and X.sub.2 denotes F or Cl) or --O--C.sub.r F.sub.s H.sub.2r+1-s is (r denotes an integral of 2 to 4 and s denotes an integral of 1 to 7) group. Y denotes H or F. Z denotes H or F.

    摘要翻译: 由以下通式(I)表示的硅环己烷化合物。 (1)在该式中,R表示具有1-10个碳原子的直链烷基,具有3-8个碳原子的支链烷基,具有1-10个碳原子的单 - 或二 - 氟代烷基 碳原子,具有2-7个碳原子的烷氧基烷基或具有2-8个碳原子的链烯基。 其中1位或4位的硅具有H,F,Cl或CH 3的取代基的反式-1-硅杂环己烯或反式-4-硅环己基。 X表示R,OR,CN,F,Cl,CF 3,CF 2 Cl,CHFCl,OCF 3,OCHF 2,OCF 2 Cl,OCHFCl, - (O)m -CY1 = CX1X2(m表示0或1,Y1和X1分别表示H ,F或Cl,X2表示F或Cl)或-O-CrFsH2r + 1-s是(r表示2〜4的整数,s表示1〜7的整数)。 Y表示H或F.Z表示H或F.