Silacyclohexane compound, a method of preparing it and a liquid crystal
composition containing it
    32.
    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 carbaldehyde compounds and processes for preparing
silacyclohexane-based liquid crystal compounds from the carbaldehyde
compound
    35.
    发明授权
    Silacyclohexane carbaldehyde compounds and processes for preparing silacyclohexane-based liquid crystal compounds from the carbaldehyde compound 失效
    硅环己烷甲醛化合物和由甲醛化合物制备硅环己烷基液晶化合物的方法

    公开(公告)号:US5527490A

    公开(公告)日:1996-06-18

    申请号:US434814

    申请日:1995-05-04

    摘要: A silacyclohexane carbaldehyde compound of the following formula (I) ##STR1## wherein Ar represents a phenyl group or a tolyl group, and R represents a phenyl group, a tolyl group, a linear alkyl group, a mono or difluoroalkyl group, a branched alkyl group, an alkoxyalkyl group or an alkenyl group. Processes for preparing a silacyclohexane-based liquid crystal compound of the following formula (II) or (III) from the silacyclohexane carbaldehyde are also described ##STR2## wherein X represents CN, F, Cl, CF.sub.3, CClF.sub.2, CHClF, OCF.sub.3, OCClF.sub.2, OCHF.sub.2, OCHClF, (O).sub.m CT=CX.sub.1 X.sub.2, O(CH.sub.2).sub.r (CF.sub.2).sub.s X.sub.3, R or OR wherein m is a value of 0 or 1, T and X.sub.1 independently represent H, F or Cl, X.sub.2 represents F or Cl, r and s are, respectively, a value of 0, 1 or 2 provided that r+s=2, 3 or 4, X.sub.3 represents H, F or Cl, and R has the same meaning as defined before, Y and Z independently represent a halogen or a methyl group, i and j are independently a value of 0, 1 or 2.

    摘要翻译: 下式(I)的硅环己烷甲醛化合物其中Ar表示苯基或甲苯基,R表示苯基,甲苯基,直链烷基,单或二氟烷基, 支链烷基,烷氧基烷基或烯基。 还描述了从硅环己烷甲醛制备下式(II)或(III)的硅杂环己烷系液晶化合物的方法,其中X表示CN,F,Cl, CF 3,CClF 2,CHClF,OCF 3,OCClF 2,OCHF 2,OCHClF,(O)mCT = CX1X2,O(CH2)r(CF2)sX3,R或OR,其中m为0或1,T和X1独立地表示H ,F或Cl,X2表示F或Cl,r和s分别为0,1或2的值,条件是r + s = 2,3或4,X3表示H,F或Cl,并且R具有 与前述相同,Y和Z独立地表示卤素或甲基,i和j独立地为0,1或2的值。

    Cyclohexane carbaldehyde compounds and processes for preparing
silacyclohexane-based liquid crystal compounds from the carbaldehyde
    36.
    发明授权
    Cyclohexane carbaldehyde compounds and processes for preparing silacyclohexane-based liquid crystal compounds from the carbaldehyde 失效
    环己烷甲醛化合物和从甲醛制备硅环己烷基液晶化合物的方法

    公开(公告)号:US5519156A

    公开(公告)日:1996-05-21

    申请号:US501524

    申请日:1995-07-12

    IPC分类号: C07F7/08 C09K19/40 C07F7/18

    摘要: A cyclohexane carbaldehyde compound of the following formula (I) ##STR1## wherein Ar represents a phenyl group or a tolyl group, and R represents a phenyl group, a tolyl group, a linear alkyl group, a mono or difiuoroalkyl group, a branched alkyl group or an alkoxyalkyl group. Processes for preparing a silacyclohexane-based liquid crystal compound of the following formula (II) or (III) from the cyclohexane carbaldehyde are also described ##STR2## wherein R represents a phenyl group, a tolyl group, a linear alkyl group, a mono or difiuoroalkyl group, a branched alkyl group or an alkoxyalkyl group, X represents R or OR, in which R has the same meaning as defined above, CN, F, C1, Br, CF.sub.3, OCF.sub.3, OCHFCL, OCF.sub.2 Cl, CF.sub.2 Cl, (O).sub.m CY.sub.1 =CX.sub.1 X.sub.2, O(CH.sub.2).sub.r (CF.sub.2).sub.s X.sub.3, wherein m is a value of 0 or 1, Y.sub.1 and X.sub.1 independently represent H, F or Cl, X.sub.2 represents F or Cl, r and s are, respectively, a value of 0, 1 or 2 provided that r+s=2, 3 or 4, and X.sub.3 represents H, F or Cl, Y represents a halogen or a methyl group, Z represents a halogen or CH.sub.3, i is a value of 0, 1 or 2, and j is a value of 0, 1 or 2.

    摘要翻译: 下式(I)的环己烷甲醛化合物其中Ar表示苯基或甲苯基,R表示苯基,甲苯基,直链烷基,单或二氟烷基, 支链烷基或烷氧基烷基。 还描述了从环己烷甲醛制备下式(II)或(III)的硅环己烷基液晶化合物的方法,其中苯基,甲苯基,直链烷基,单或二氟烷基,支链 烷基或烷氧基烷基,X表示R或OR,其中R的定义同上,CN,F,C1,Br,CF3,OCF3,OCHFCL,OCF2Cl,CF2Cl,(O)mCY1 = CX1X2,O (CH 2)r(CF 2)s X 3,其中m为0或1,Y1和X1独立地表示H,F或Cl,X2表示F或Cl,r和s分别为0,1或 2,条件是r + s = 2,3或4,X3表示H,F或Cl,Y表示卤素或甲基,Z表示卤素或CH3,i表示0,1或2, j是0,1或2的值。

    Process for preparing silacyclohexane compounds
    40.
    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。