Optically active compounds, and a liquid-crystalline phase
    41.
    发明授权
    Optically active compounds, and a liquid-crystalline phase 失效
    光学活性化合物和液晶相

    公开(公告)号:US5393459A

    公开(公告)日:1995-02-28

    申请号:US956938

    申请日:1992-10-05

    摘要: The invention relates to optically active compounds of the formula I ##STR1## in which R is an alkyl or alkenyl radical having up to 15 carbon atoms which is unsubstituted, monosubstituted by --CN or at least monosubstituted by fluorine or chlorine, it also being possible for a CH.sub.2 group in these radicals to be replaced by --O--, --CO--, --O--CO--, --CO--O-- or --O--CO--O--,A.sup.1 and A.sup.2 are each, independently of one another, a 1,4-phenylene radical, pyridine-2,5-diyl radical, pyrimidine-2,5-diyl radical, pyrazine-2,5-diyl radical, pyridazine-3,6-diyl radical, 1,3,4-thiadiazole-2,5-diyl radical, 1,2,4-thiadiazole-3,5-diyl radical or trans-1,4-cyclohexylene radical, each of which is unsubstituted or substituted by one or two fluorine atoms, and in which, in addition, one or two non-adjacent CH.sub.2 groups may be replaced by --O-- and/or --S--, and/or a CH group,Z.sup.1, Z.sup.2 and Z.sup.3 are each, independently of one another, --CO--O--, --O--CO--, --CH.sub.2 O--, --OCH.sub.2 --, --CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, --C.tbd.C-- or a single bond,Q.sup.1 is --CH.sub.2 CH.sub.2 --, --CH.sub.2 CH.sub.2 CH.sub.2 --, --OCH.sub.2 --, --CH.sub.2 OCH.sub.2 --, --OCH.sub.2 CH.sub.2 --, --O--CO-- or --CO--OCH.sub.2 --,Q.sup.2 is --O--, --O--CO--, --(CH.sub.2).sub.3 --)-- or a single bond,m is 0, 1, 2 or 3,n is 0 or 1, ando is 1 to 9, and the use thereof as components of liquid-crystalline phases.

    摘要翻译: 本发明涉及式I的旋光活性化合物,其中R是具有至多15个碳原子的烷基或烯基,其未被取代,被-CN单取代或至少被氟或氯单取代,也可能是 对于这些基团中的CH 2基团被-O-,-CO-,-O-CO-,-CO-O-或-O-CO-O-,A1和A2各自彼此独立地取代, 吡啶-2,5-二基,嘧啶-2,5-二基,吡嗪-2,5-二基,哒嗪-3,6-二基,1,3,4-三基, 噻二唑-2,5-二基,1,2,4-噻二唑-3,5-二基或反-1,4-亚环己基,其各自为未取代的或被一个或两个氟原子取代,其中 另外,一个或两个不相邻的CH 2基团可以被-O-和/或-S-代替,和/或CH基,Z 1,Z 2和Z 3彼此独立地是-CO-O - , - O - CO - , - CH 2 O - , - OCH 2 - , - CH 2 CH 2 - , - CH = CH - , - C 3BOND C-或单键,Q 1是-CH 2 CH 2 - CH 2 CH 2 CH 2 - , - OCH 2 - , - CH 2 OCH 2 - , - OCH 2 CH 2 - , - O-CO-或-CO-OCH 2 - ,Q 2是-O - , - O - CO - , - (CH 2)3 - ) - 键,m为0,1,2或3,n为0或1,o为1至9,并且其用作液晶相的组分。

    Nitrogen-containing hetercyclic compounds
    42.
    发明授权
    Nitrogen-containing hetercyclic compounds 失效
    含氮杂环化合物

    公开(公告)号:US4882082A

    公开(公告)日:1989-11-21

    申请号:US172424

    申请日:1988-03-23

    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 0 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,is a 1,4-cyclohexylene group, it also being possible for one or two non-adjacent CH.sub.2 groups to be replaced by 0 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 0 atoms, 1,3-dithiane-2,5-diyl group or a 1,4-bic)cloy2,2,2)-octylene group andis 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 R1-A1-Z1-A2 [Z2-A3] n-R2的氮杂环化合物,其中R1和R2各自独立地为具有1-15个C原子的烷基,也可能 一个或两个不相邻的CH2基团被0个原子和/或-CO-基团和/或-O-CO-基团和/或-CO-O-基团取代,基团R1和R2之一是 H,F,Cl,Br或CN也是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0个原子,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-,-OCH2 - , - 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,也可以 一个或两个不相邻的CH2基团被0个原子替代,1,3-二噻烷-2,5-二基或1,4-bic)二(2,2,2) - 亚辛基,为0或1, w 条件是(a)A2和A3中的至少一个是嘧啶-2,5-二基,(b)如果A2是嘧啶-2,则基团Z1和Z2中的至少一个不是单键 ,5-二基和R 2是烷基或CN,(c)如果A3是嘧啶-2,5-二基,且A1是1,4-亚环己基,则Z1不是-CO-O-,(d)如果A1不是0,则n不为0 是1,4-亚环己基,Z 1是-CH 2 CH 2 - ,(e)如果R 2是CN,则Z 1不是-CH 2 CH 2 - ,(f)如果A 1是1,则Z 1是-CH 2 CH 2 - , - OCH 2 - 或-CH 2 O- ,4-亚环己基和-A2- [Z2-A3] n - ,其酸加成盐可用作液晶相的成分。

    Smectic liquid crystal phases
    44.
    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。