Smectic liquid crystal phases
    21.
    发明授权
    Smectic liquid crystal phases 失效
    近晶液相

    公开(公告)号:US5279762A

    公开(公告)日:1994-01-18

    申请号:US746371

    申请日:1991-08-16

    摘要: Compounds of the formula IR.sup.1 --A.sup.1 --A.sup.2 --R.sup.2 IwhereinR.sup.1 and R.sup.2 are each alkyl with 1-15 C atoms, and wherein one or two non-adjacent CH.sub.2 groups can also be replaced by --O--, --S--, --CO--, --O--CO--, --CO--O--, --CO--S--, --S--CO--, --CHHalogen--, --CHCN-- and/or --CH.dbd.CH--,A.sup.1 is 1,4-phenylene, trans-1,4-cyclohexylene or a single bond andA.sup.2 is ##STR1## in which Z is --O--CO--, --CO--O--, --S--CO--, --CO--S--, CH.sub.2 O--, --OCH.sub.2 -- or --CH.sub.2 CH.sub.2 --, with the proviso that, if A.sup.1 is a single bond, A.sup.2 is ##STR2## are suitable as components of chirally tilted smectic liquid crystal phases.

    摘要翻译: 式ⅠR1-A1-A2-R2Ⅰ化合物,其中R1和R2各自为具有1-15个C原子的烷基,其中一个或两个不相邻的CH2基团也可被-O - , - S-, -CO-,-O-CO-,-CO-O-,-CO-S-,-S-CO-,-CHHalogen-,-CHCN-和/或-CH = CH-, (*化学结构*)(*化学结构*)(*化学结构*)(*化学结构*)(*化学结构*)(*化学结构*)(*化学结构*) *)(*化学结构*)(*化学结构*)其中Z为-O-CO-,-CO-O-,-S-CO-,-CO-S-,CH2O-,-OCH2-或 - (*化学结构*)(*化学结构*)(*化学结构*)(*化学结构*)(*化学结构*)(*化学结构*)(*化学结构*) 结构*)适合作为手性倾斜近晶相晶体的组成部分。

    Pyrimidines
    22.
    发明授权
    Pyrimidines 失效
    嘧啶类

    公开(公告)号:US5124068A

    公开(公告)日:1992-06-23

    申请号:US559761

    申请日:1990-07-30

    摘要: Pyrimidines of the formula I ##STR1## in which R is an alkyl group of 1-15 C atoms in which in addition one or two nonadjacent CH.sub.2 groups can be replaced by --O--, --CO--, --O--CO--, --CO--O--, --CHY-- and/or --CH.dbd.CH--, or is H, F, Cl or CN,X is --O--CH.sub.2 --R.sup.1, --S--R.sup.2, --NCS or --COO--A--R.sup.3,Y is halogen, CN or OH,R.sup.1 is an alkyl group of 1-15 C atoms, in which one or more nonadjacent CH.sub.2 groups are replaced by --O--, --CO--, --O--CO--, --CHY-- and/or by --CH.dbd.CH--,R.sup.2 is an alkyl group of 1-15 C atoms, in which in addition one or two nonadjacent CH.sub.2 groups can be replaced by --O--, --CO--, --O--CO--, --CO--O--, --CHY-- and/or --CH.dbd.CH--,A is a trans-1,4-cyclohexylene groups which is unsubstituted or monosubstituted or disubstituted by F and/or Cl atoms and/or CH.sub.3 groups and/or CN groups, or is a single bond, andR.sup.3 is an alkyl group of 1-15 C atoms, in which in addition one or two nonadjacent and, if A is a single bond, nonterminal CH.sub.2 groups can be replaced by O atoms and/or --CH.dbd.CH-- groups,with the proviso that R is an alkyl group having 1-15 C atoms, in which in addition one or two nonadjacent CH.sub.2 groups can be replaced by --O--, --O--CO--, --CO--O-- and/or --CH.dbd.CH--, if X is --S--R.sup.2, can be used as components of liquid-crystalline phases.

    Pyrimidines
    23.
    发明授权
    Pyrimidines 失效
    嘧啶类

    公开(公告)号:US5043093A

    公开(公告)日:1991-08-27

    申请号:US918949

    申请日:1986-09-12

    摘要: Pyrimidines of the formula I ##STR1## in which R is an alkyl gorup of 1-15 C atoms in which in addition one or two nonadjacent Ch.sub.2 groups can be replaced by --0--, --CO--, --O--CO--, --CO--O--, --CHY-- and/or --CH.dbd.CH--, or is H, F, Cl or CN,X is --O--CH.sub.2 --R.sup.1, --S--R.sup.2, --NCS or --COO--A--R.sup.3,Y is halogen, CN or OH,R.sup.1 is an alkyl group of 1-15 C atoms, in which one or more nonadjacent CH.sub.2 groups are replaced by --O--, --CO--, --0--CO--, --CO--O--, --CHY-- and/or by --CH.dbd.CH--,R.sup.2 is an alkyl group of 1-15 C atoms, in which in addition one or two nonadjacent CH.sub.2 groups can be replaced by --O--, --CO--, --O--CO--, --CO--O--, --CHY-- and/or --CH.dbd.CH--,A is a trans-1,4-cyclohexylene group which is unsubstituted or monosubstituted or disubstituted by F and/or Cl atoms and/or CH.sub.3 groups and/or CN groups, or is a single bond, andR.sup.3 is an alkyl group of 1-15 C atoms, in which in addition ne or two nonadjacent and, if A is a single bond, nonterminal CH.sub.2 groups can be replaced by O atoms and/or --CH.dbd.CH-- groups,with the proviso that R is an alkyl group having 1-15 C atoms, in which in addition one or two nonadjacent CH.sub.2 groups can be replaced by --O--, --O--CO--, --CO--O-- and/or --CH.dbd.CH--, if X is --S--R.sup.2, can be used as components of liquid-crystalline phases.

    摘要翻译: PCT No.PCT / EP85 / 00732 Sec。 371日期:1986年9月12日 102(e)日期1986年9月12日PCT 1985年12月20日PCT PCT。 出版物WO86 / 04060 PCT 日期:1986年7月17日。式I的吡啶并且其中R是1-15个C原子的烷基,其中一个或两个不相邻的Ch2基团可以被-O - , - CO + 13,-O-CO-,-CO-O-,-CHY-和/或-CH = CH-,或是H,F,Cl或CN,X是-O-CH2-R1,-S-R2, -NCS或-COO-A-R 3,Y是卤素,CN或OH,R 1是1-15个C原子的烷基,其中一个或多个不相邻的CH 2基团被-O - , - CO-, - 0-CO-,-CO-O-,-CHY-和/或由-CH = CH-,R2是1-15个C原子的烷基,其中另外一个或两个不相邻的CH2基团可被 -O-,-CO-,-O-CO-,-CO-O-,-CHY-和/或-CH = CH-,A是反式-1,4-亚环己基,其是未取代的或单取代的或二取代的 通过F和/或Cl原子和/或CH 3基团和/或CN基团,或是单键,并且R 3是1-15个C原子的烷基,其中另外ne或两个不相邻,如果A是 单键,非终端CH2基团可以被O原子和/或-CH = CH-基团取代, 其中R是具有1-15个C原子的烷基,其中另外一个或两个不相邻的CH 2基团可被-O - , - CO-,-CO-O-和/或-CH = CH - 如果X是-S-R2,可以用作液晶相的组分。

    Bicyclooctane derivatives
    29.
    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。