Silacyclohexane compound, a method of preparing it and a liquid crystal
composition containing it
    22.
    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。

    Silacyclohexane compound, a method of preparing it and a liquid crystal
composition containing it
    23.
    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:US5498737A

    公开(公告)日:1996-03-12

    申请号:US377961

    申请日:1995-01-25

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

    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.

    摘要翻译: 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.

    Silacyclohexane compound, a method of preparing it and a liquid crystal
composition containing it
    26.
    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
    29.
    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。

    Process for preparing silacyclohexane compounds
    30.
    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:US5523439A

    公开(公告)日:1996-06-04

    申请号:US511816

    申请日:1995-08-07

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

    CPC分类号: C09K19/406 C07F7/0896

    摘要: Processes for selectively preparing silacyclohexane compounds of a trans form from diarylsilacyclohexane compounds of the general formula ##STR1## wherein Ar and Ar' independently represent a phenyl group or a tolyl group, and Q represents a group of the type indicated below ##STR2## The diarylsilacyclohexanes are converted to dihalosilacyclohexanes and then to hydrohalosilacyclohexanes directly or via dialkoxylation and/or reduction step. The hydrohalosilacyclohexane are finally reacted with organometallic compounds having a group, Q', of the type indicated below ##STR3## to obtain silacyclohexane compounds of the general formula ##STR4## wherein Q' and Q have, respectively, the groups indicated hereinabove.

    摘要翻译: 从通式“IMAGE”的二芳基硅烷环己烷化合物选择性地制备反式的硅环己烷化合物的方法,其中Ar和Ar'独立地表示苯基或甲苯基,Q表示下述的基团。 二甲基环己烷转化为二卤代环己烷,然后直接转化为氢卤代环己烷,或通过二烷氧基化和/或还原步骤。 最后使氢卤代二环己烷与具有下文所示类型Q'的有机金属化合物反应,得到通式“IMAGE”的硅环己烷化合物,其中Q'和Q分别具有上述基团。