Nitrogen-containing hetercyclic compounds
    4.
    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。

    Liquid-crystalline dielectrics
    5.
    发明授权
    Liquid-crystalline dielectrics 失效
    液晶电介质

    公开(公告)号:US4755323A

    公开(公告)日:1988-07-05

    申请号:US839293

    申请日:1986-03-13

    摘要: New 1,4-dioxanes of the formula I ##STR1## wherein R.sup.1 and R.sup.2 each signify and alkyl group with 1 - 10 C-atoms, wherein one or two CH.sub.2 groups can also be replaced by O-atoms, F, Cl, Br or CN,R.sup.2 also H,A.sup.1 and A.sup.2 each signify 1,4-phenylene, 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl, 1,4-dioxane-2,5-diyl, peperidine-1,4-diyl, 1,4-bicyclo(2,2,2)-octylene or pyrimidine-2,5-diyl groups, unsubstituted or substituted by 1 - 4 F-atoms,Z.sup.1 and Z.sup.2 each signify --CO--O--, --O--CO--, CH.sub.2 CH.sub.2 --, OCH.sub.2 -- --CH.sub.2 O-- or a single bond,m and n each signify 0, 1, 2 or 3,(m+n), however, are at least 1 and at most 3,whereby for m=2 or 3, the groups A.sup.1 and for n=2 or 3 the groups A.sup.2 can each be the same or different from one another,as well as the acid-addition salts of the basic ones of these compounds,are suitable for use as components of liquid-crystalline dielectrics.

    摘要翻译: 其中R 1和R 2各自表示的具有1-10个C原子的烷基,其中一个或两个CH 2基团也可被O原子,F,Cl, Br或CN,R2还有H,A1和A2各自表示1,4-亚苯基,1,4-亚环己基,1,3-二恶烷-2,5-二基,1,4-二恶烷-2,5-二基,哌啶 -1,4-二基,1,4-二环(2,2,2) - 亚辛基或嘧啶-2,5-二基,未取代或被1-4个F原子取代,Z1和Z2各自表示-CO- O-,-O-CO-,CH 2 CH 2 - ,OCH 2 -CH 2 O-或单键,m和n各自表示0,1,2或3,(m + n),然而,至少为1以上 3,其中对于m = 2或3,基团A1和n = 2或3,基团A2可以彼此相同或不同,以及这些化合物中的碱性基团的酸加成盐, 适用于液晶电介质的组分。

    Electrooptical display element
    9.
    发明授权
    Electrooptical display element 失效
    电光显示元件

    公开(公告)号:US5288427A

    公开(公告)日:1994-02-22

    申请号:US815832

    申请日:1991-12-24

    IPC分类号: C09K19/30 C09K19/34 C09K19/52

    摘要: Compounds of the formula IR.sup.1 --A.sup.1 --Z.sup.1 --A--O--R.sup.2in whichR.sup.1 and R.sup.2, independently of one another, are each alkyl having 1 to 9 C atoms, in which, in addition, one or two CH.sub.2 groups may be replaced by --O--, --CO--, --O--CO--, --CO--O-- and/or --CH.dbd.CH--, where two O atoms are not linked directly to one anther, or one of the two groups R.sup.1 and R.sup.2 is alternatively H,Z.sup.1 is --CH.sub.2 --O--, --OCH.sub.2 --, --CH.sub.2 CH.sub.2 -- or a single bond,A.sup.1 is trans-1,4-cyclohexylene in which, in addition one or two nonadjacent CH.sub.2 groups may be replaced by O and/or S, or 1,4-cyclohexenylene, andA is unsubstituted or fluorine-substituted 1,4-phenylene, can be used as components of liquid-crystalline dielectrics containing at least three liquid-crystalline compounds for shortening the switch-on time T.sub.on of electrooptical display elements based on a TN cell on switching the voltage from a first voltage below or approximately at the threshold voltage to a second voltage on the increase of the electrooptical characteristic line.

    摘要翻译: 其中R 1和R 2彼此独立地为具有1至9个C原子的烷基的式I R1-A1-Z1-AO-R2的化合物,其中另外一个或两个CH 2基团可以被 -O-,-CO-,-O-CO-,-CO-O-和/或-CH = CH-,其中两个O原子不直接连接到一个花药,或者两个基团R1和R2之一是 或者H,Z 1是-CH 2 -O - , - OCH 2 - , - CH 2 CH 2 - 或单键,A 1是反式-1,4-亚环己基,其中一个或两个不相邻的CH2基团可被O和/ 或S或1,4-亚环己烯基,A为未取代的或氟取代的1,4-亚苯基,可用作含有至少三种液晶化合物的液晶电介质的组分,以缩短接通时间Ton 基于TN单元的电光显示元件在电压特性线的增加时将电压从低于或接近阈值电压的第一电压切换到第二电压。