Nitrogen-containing heterocyclic compounds
    24.
    发明授权
    Nitrogen-containing heterocyclic compounds 失效
    含氮杂环化合物

    公开(公告)号:US4752414A

    公开(公告)日:1988-06-21

    申请号:US884349

    申请日:1986-07-11

    摘要: Nitrogen-containing heterocyclic compounds of the formula IR.sup.1 --A.sup.1 --Z.sup.1 --A.sup.2 --[Z.sup.2 --A.sup.3 ].sub.n --R.sup.2whereinR.sup.1 and R.sup.2 in each case independently of one another are an alkyl group with 1-15 C atoms, it also being possible for one or two non-adjacent CH.sub.2 groups to be replaced by O atoms and/or --CO-- groups and/or --O--CO-- groups and/or --CO--O-- groups, and one of the radicals R.sup.1 and R.sup.2 is also H, F, Cl, Br or CN,A.sup.1 is a 1,4-cyclohexylene group, it also being possible for one or two non-adjacent CH.sub.2 groups to be replaced by O atoms, a 1,4-bicyclo-(2,2,2)-octylene group or a 1,3-dithiane-2,5-diyl group,Z.sup.1 and Z.sup.2 in each case independently of one another are --CO--O--, --O--CO--, --CH.sub.2 CH.sub.2 --, --OCH.sub.2 --, --CH.sub.2 O-- or a single bond,A.sup.2 and A.sup.3 in each case independently of one another are a 1,4-phenylene group, pyrimidine-2,5-diyl group, 1,4-cyclohexylene group, it also being possible for one or two non-adjacent CH.sub.2 groups to be replaced by O atoms, 1,3-dithiane-2,5-diyl group or a 1,4-bicyclo(2,2,2)-octylene group andn is 0 or 1,with the provisos that(a) at least one of the groups A.sup.2 and A.sup.3 is a pyrimidine-2,5-diyl group,(b) at least one of the groups Z.sup.1 and Z.sup.2 is not a single bond if A.sup.2 is pyrimidine-2,5-diyl and R.sup.2 is alkyl or CN,(c) Z.sup.1 is not --CO--O-- if A.sup.3 is pyrimidine-2,5-diyl and A.sup.1 is 1,4-cyclohexylene,(d) n is not 0 if A.sup.1 is 1,4-cyclohexylene and Z.sup.1 is --CH.sub.2 CH.sub.2 --, and(e) Z.sup.1 is not --CH.sub.2 CH.sub.2 -- if R.sup.2 is CN, and(f) Z.sup.1 is --CH.sub.2 CH.sub.2 --, --OCH.sub.2 -- or --CH.sub.2 O--, if A.sup.1 is 1,4-cyclohexylene and --A.sup.2 --[Z.sup.2 --A.sup.3 ].sub.n -- is ##STR1## and acid addition salts thereof, can be used as components of liquid crystal phases.

    摘要翻译: 式Ⅰ的含氮杂环化合物R1-A1-Z1-A2- [Z2-A3] n-R2其中R1和R2各自独立地为具有1-15个C原子的烷基,它也是 一个或两个不相邻的CH2基团可以被O原子和/或-CO-基团和/或-O-CO-基团和/或-CO-O-基团取代,并且基团R1和R2之一 也是H,F,Cl,Br或CN,A1是1,4-亚环己基,也可以将一个或两个不相邻的CH 2基团替换为O原子,1,4-二环 - ( 2,2,2) - 亚辛基或1,3-二噻烷-2,5-二基,Z1和Z2各自独立地为-CO-O-,-O-CO-,-CH2CH2- ,-OCH 2 - , - CH 2 O-或单键,A2和A3各自独立地为1,4-亚苯基,嘧啶-2,5-二基,1,4-亚环己基, 一个或两个不相邻的CH 2基团被O原子替代,1,3-二噻烷-2,5-二基或1,4-二环(2,2,2) - 亚辛基是可能的,n是 0 或1,条件是(a)基团A2和A3中的至少一个是嘧啶-2,5-二基,(b)如果A 2是,则Z1和Z 2中的至少一个不是单键 嘧啶-2,5-二基和R2是烷基或CN,(c)如果A3是嘧啶-2,5-二基,并且A1是1,4-亚环己基,则Z1不是-CO-O-,(d)n不是 如果A 1为1,4-亚环己基且Z 1为-CH 2 CH 2,则为0,(e)如果R 2为CN,则(Z1)不为-CH2CH2-,(f)Z1为-CH2CH2-,-OCH2-或-CH2O- A1是1,4-亚环己基,-A2- [Z2-A3] n-是它们的酸加成盐,可以用作液晶相的成分。

    Nitrogen-containing heterocyclic compounds
    25.
    发明授权
    Nitrogen-containing heterocyclic compounds 失效
    含氮杂环化合物

    公开(公告)号:US4713197A

    公开(公告)日:1987-12-15

    申请号:US692097

    申请日:1985-01-17

    摘要: Nitrogen-containing heterocyclic compounds of the formula IR.sup.I --(A--Z).sub.n --A--R.sup.2 Iwherein R.sup.1 and R.sup.2 in each case independently of one another are alkyl group with 1-15 C atoms, wherein one or two non-adjacent CH.sub.2 groups can also be replaced by 0 atoms and/or --CO-- group and/or --O--CO-- groups and/or --CO--O-- groups, and one of the radicals R.sup.1 and R.sup.2 can also be H, CN, F, Cl or Br, the groups A in each case independently of one another are a 1,4-phenylene group, wherein one or two CH groups can also be replaced by N atoms, a 1,4-cyclohexylene group, wherein one or two CH.sub.2 groups which are not adjacent can be replaced by 0 atoms, a 1,3-dithiane-2,5-diyl group, a 1,4-bicyclo(2,2,2)-octylene group, a decahydronapthalene-2,6-diyl group or a 1,2,3,4-tetrahydronaphthalene-2,6-diyl group, the group Z in each case independently of one another are --CO--O--, --O--CO--, --CH.sub.2 CH.sub.2 --, --OCH.sub.2 --, --CH.sub.2 O-- or a single bond and n is 3 or 4, with the proviso that (a) at least one of the groups A is a "1,4" phenylene group, wherein two CH groups are replaced by N atoms, and (b) at least one of the other groups A contains a cycloaliphatic radical and/or at least one group Z is not a single bond,can be used as components of liquid crystal phases.

    摘要翻译: 式I的氮杂环化合物R1-(AZ)nA-R2I其中R1和R2各自独立地是具有1-15个C原子的烷基,其中一个或两个不相邻的CH 2基团也可以 被0原子和/或-CO-基团和/或-O-CO-基团和/或-CO-O-基团取代,基团R 1和R 2之一也可以是H,CN,F,Cl或 Br中,基团A各自独立地为1,4-亚苯基,其中一个或两个CH基团也可以被N原子,1,4-亚环己基取代,其中一个或两个CH 2基团 不相邻的可被0个原子取代,1,3-二噻烷-2,5-二基,1,4-二环(2,2,2) - 辛炔基,十氢萘-2,6-二基 或1,2,3,4-四氢化萘-2,6-二基,基团Z各自独立地为-CO-O-,-O-CO-,-CH 2 CH 2 - , - OCH 2 - , - -CH 2 O-或单键,n为3或4,条件是(a)基团A中的至少一个为“1,4”亚苯基,wh erein两个CH基团被N原子取代,和(b)其它基团A中的至少一个包含脂环族基团和/或至少一个基团Z不是单键,可以用作液晶相的组分。

    Bicyclooctane derivatives
    26.
    发明授权
    Bicyclooctane derivatives 失效
    双环辛烷衍生物

    公开(公告)号:US4707295A

    公开(公告)日:1987-11-17

    申请号:US843407

    申请日:1986-03-24

    摘要: Bicyclooctane derivatives of the formula IR.sup.1 --A.sup.1 --A.sup.2 --R.sup.2 IwhereinR.sup.1 and R.sup.2 independently of one another are each an alkyl group which has 1-12 C atoms and in which it is also possible for one or two non-adjacent CH.sub.2 groups to be replaced by O atoms and/or CO groups and/or --O13 CO groups and/or --CO--O groups and/or --CH.dbd.CH-- groups, one of the radicals R.sup.1 and R.sup.2 being also --A.sup.3 --R.sup.3,A.sup.1 is a 1,4-cyclohexylene group which is unsubstituted or substituted in the 1-position and/or 2-position and/or 3-position and/or 4-position by alkyl which has in each case 1-5 C atoms and is unsubstituted or substituted or fluorinated, and in which it is also possible for one or two non-adjacent CH.sub.2 groups to be replaced by one or two different groupings from the group --O--, --CO--, --CH.dbd.CH--, --S--, --SO-- or --SO.sub.2 --, or is substituted by F, Cl, Br, CN and/or CHO,A.sup.2 is a 1,4-bicyclo[2.2.2] octylene group,--A.sup.3 --R.sup.3 is --Cy--R.sup.3, --Ph--R.sup.3, --Cy--Ph--R.sup.3 or --Ph--Cy--R.sup.3,Cy is 1,4-cyclohexylene or one of the other groups recited for A.sup.1,Ph is 1,4-phenylene which is unsubstituted or substituted by or one two F atoms and/or CH.sub.3 groups andR.sup.3 is an alkyl group which has 1-12 C atoms and in which it is also possible for one or two non-adjacent CH.sub.2 groups to be replaced by O atoms and/or CO groups and/or O--CO groups and/or --CO--O groups and/or --CH.dbd.CH-- groupsare suitable for use as components of liquid-crystal phases for field effect and/or bistability effect displys.

    摘要翻译: 式I R1-A1-A2-R2 I的双环辛烷衍生物,其中R 1和R 2彼此独立地是具有1-12个C原子的烷基,并且其中一个或两个不相邻的CH 2基团也是可能的 被O原子和/或CO基团和/或-O13CO基团和/或-CO-O基团和/或-CH = CH-基团取代,基团R1和R2之一也是-A3-R3, A1是未取代的或在1位和/或2位和/或3位和/或4位上被烷基取代的1,4-亚环己基,其各自为1-5个C原子和 是未取代或取代或氟化的,并且其中一个或两个不相邻的CH 2基团也可以被-O - , - CO - , - CH = CH - , - S,-SO-或-SO 2 - ,或被F,Cl,Br,CN和/或CHO取代,A2是1,4-双环[2.2.2]亚辛基,-A3-R3是-Cy -R3,-Ph-R3,-Cy-Ph-R3或-Ph-Cy-R3,Cy为1,4-亚环己基或为A1所列举的其它基团之一, Ph是未被取代或被两个F原子和/或CH 3基团取代的1,4-亚苯基,R 3是具有1-12个C原子的烷基,并且其中也可以有一个或两个不相邻的 被O原子和/或CO基团和/或O-CO基团和/或-CO-O基团和/或-CH = CH-基团取代的CH 2基团适用于现场的液晶相的组分 效果和/或双稳性效应不好。

    Electrooptical liquid crystal system
    30.
    发明授权
    Electrooptical liquid crystal system 失效
    电光液晶系统

    公开(公告)号:US5958290A

    公开(公告)日:1999-09-28

    申请号:US392682

    申请日:1995-02-23

    摘要: The invention relates to an electrooptical liquid crystal systemwhich contains a dielectrically positive liquid crystal mixture and a further optically transparent medium between 2 electrodes which are optionally applied to substrate sheets,whose liquid crystal molecules in the switched-off state have an irregular orientation,in which one of the refractive indices of the liquid crystal mixture essentially agrees with the refractive index of the matrix n.sub.M and/or in which the quotient of the mass of the liquid crystal mixture and of the mass of the optically transparent medium is 1.5 or more and,which, independently of the polarization of the incident light, has a reduced transmission in one of the two switch states compared to the other state andwhose liquid crystal mixture contains one or more compounds of the formula I ##STR1## in which Q.sup.1 is ##STR2## are independently of one another trans-1,4-cyclohexylene, 1,4-phenylene, 2-fluoro-1,4-phenylene, 3-fluoro-1,4-phenylene and one of A.sup.1 and, if present, A.sup.2, is also pyridine-2,5-diyl, pyrimidine-2,5-diyl, 1,3-dioxane-2,5-diyl, tetrahydropyran-2,5-diyl or naphthalene-2,6-diyl,Z.sup.1 and Z.sup.2 are independently of one another a single bond, --CH.sub.2 CH.sub.2 --, --COO--, --OCO--, --C.tbd.C--, --CH.sub.2 O-- or any desired combinations of these bridge groups,Y and X are independently of one another H or F, and one of X and Y is also Cl,W is --CN, --Cl, --F, --CF.sub.3, --OCF.sub.3, --OCHF.sub.2, --NCS or R.sup.2R.sup.1 and R.sup.2 independently of one another are alkyl having 1-12 C atoms, in which one or 2 non-adjacent CH.sub.2 groups can also be replaced by --O-- or --HC.dbd.CH--, andm is 0, 1 or 2.

    摘要翻译: 本发明涉及一种电光学液晶体系,其包含介于两个电极之间的介电正极液晶混合物和另外的光学透明介质,所述两个电极任选地施加到基板上,所述基板在关闭状态下的液晶分子具有不规则取向, 液晶混合物的折射率之一基本上与基体nM的折射率一致,和/或其中液晶混合物的质量和光学透明介质的质量的商为1.5以上, ,其独立于入射光的偏振,与其他状态相比,在两种开关状态之一中具有降低的透射率,并且其液晶混合物含有一种或多种式I的化合物,其中Q1独立地为一个 另一个反式-1,4-亚环己基,1,4-亚苯基,2-氟-1,4-亚苯基,3-氟-1,4-亚苯基和A1中的一个,如果 t,A2也是吡啶-2,5-二基,嘧啶-2,5-二基,1,3-二恶烷-2,5-二基,四氢吡喃-2,5-二基或萘-2,6-二基, Z 1和Z 2彼此独立地是单键,-CH 2 CH 2 - , - COO - , - OCO-, - C 3BOND C - , - CH 2 O-或这些桥基的任何所需组合,Y和X彼此独立地 H或F,X和Y中的一个也是Cl,W是-CN,-Cl,-F,-CF 3,-OCF 3,-OCHF 2,-NCS或R 2,R 1和R 2彼此独立地是具有1- 12个C原子,其中一个或两个不相邻的CH2基团也可以被-O-或-HC = CH-取代,m是0,1或2。