Nitrogen heterocycles and liquid crystalline mixtures containing them
    1.
    发明授权
    Nitrogen heterocycles and liquid crystalline mixtures containing them 失效
    含氮杂环和含有它们的液晶混合物

    公开(公告)号:US5326497A

    公开(公告)日:1994-07-05

    申请号:US955633

    申请日:1992-10-02

    CPC分类号: C09K19/3469 C09K19/3444

    摘要: Compounds of the general formula ##STR1## wherein R.sup.1 is C.sub.5-12 -alkyl or C.sub.5-12 -alkenyl;R.sup.2 is C.sub.1-9 -alkyl or C.sub.2-9 -alkenyl; provided that at least one of groups R.sup.1 and R.sup.2 is alkenyl;X is a CH group or nitrogen;n is either 0 or 1;q is a whole number between 2 to 6 inclusive;r is either 0 or 1 provided that the sum of q and r at least 3,s is either 0 or 1; andp is either 1 or 2, provided that n is zero when p is 2;mixtures which contain these compounds as well as the use of these compounds for electro-optical purposes.

    摘要翻译: 其中R 1为C 5-12烷基或C 5-12链烯基的通式为其的化合物 R2是C1-9 - 烷基或C2-9 - 烯基; 基团R1和R2中的至少一个是烯基; X是CH基或氮; n为0或1; q是2到6之间的整数; r为0或1,条件是q和r之和至少为3,s为0或1; 并且p为1或2,条件是当p为2时n为零; 含有这些化合物的混合物以及这些化合物用于电光目的。

    Liquid crystalline esters
    2.
    发明授权
    Liquid crystalline esters 失效
    液晶酯

    公开(公告)号:US5082589A

    公开(公告)日:1992-01-21

    申请号:US485710

    申请日:1990-02-27

    IPC分类号: C07C69/773 C09K19/30

    CPC分类号: C07C255/00 C09K19/3068

    摘要: Compounds of the formula ##STR1## wherein m represents is the number of 0 to 1; A is a single convalent bond, --CH.sub.2 --CH.sub.2 --, --OCH.sub.2 --, --COO-- or --OOC--; rings B, C and D are 1,4-phenylene optionally substituted with cyano, halogen or lower alkyl; Y.sup.1 and Y.sup.2 are hydrogen or one of them also is cyano; and R.sup.1 and R.sup.2 each represents C.sub.1 -C.sub.18 -alkyl or C.sub.2 -C.sub.18 alkenyl, either of which is optionally halogen-substituted, in which one CH.sub.2 group or two non-adjacent CH.sub.2 groups is/are optionally replaced by oxygen: with the provisos that at least one of R.sup.1 and R.sup.2 has a chiral carbon atom or R.sup.1 is straight-chain C.sub.4-18 -alkoxy and R.sup.2 is straight C.sub.3-18 -alkyl or a C--C double bond or both when A is --COO-- and at least one of R.sup.1 and R.sup.2 has a C--C double bond when A is a single covalent bond, their preparation, liquid crystalline mixtures containing these compounds and their use for electro-optical purposes are described.

    摘要翻译: 式(Ⅰ)化合物其中m表示0至1的数; A是单个共价键,-CH 2 -CH 2 - , - OCH 2 - , - COO-或-OOC-; 环B,C和D是任选被氰基,卤素或低级烷基取代的1,4-亚苯基; Y1和Y2是氢或其中之一也是氰基; 并且R 1和R 2各自表示任选被卤素取代的C 1 -C 18 - 烷基或C 2 -C 18烯基,其中一个CH 2基团或两个不相邻的CH 2基团任选被氧取代:条件是 R 1和R 2中的至少一个具有手性碳原子,或者R 1是直链C 4-18 - 烷氧基,并且R 2是直链C 3-8 - 烷基或CC双键,或者当A是-COO-时, 当A是单一共价键时,R1和R2具有CC双键,其制备,含有这些化合物的液晶混合物及其用于电光目的的用途。

    Liquid crystalline esters
    3.
    发明授权
    Liquid crystalline esters 失效
    液晶酯

    公开(公告)号:US4830470A

    公开(公告)日:1989-05-16

    申请号:US52659

    申请日:1987-05-20

    CPC分类号: C07C255/00 C09K19/3068

    摘要: Compounds of the formula ##STR1## wherein m represents is the number 0 or 1; A is a single covalent bond, --CH.sub.2 --CH.sub.2 --, --OCH.sub.2 --, --COO-- or --OOC--; rings B, C and D are 1,4-phenylene optionally substituted with cyano, halogen or lower alkyl; Y.sup.1 and Y.sup.2 are hydrogen or one of them also is cyano; and R.sup.1 and R.sup.2 each represents C.sub.1 -C.sub.18 -alkyl or C.sub.2 -C.sub.18 alkenyl, either of which is optionally halogen-substituted, in which one CH.sub.2 group or two non-adjacent CH.sub.2 groups is/are optionally replaced by oxygen; with the provisos that at least one of R.sup.1 and R.sup.2 has a chiral carbon atom or a C--C double bond or both when A is --COO-- and at least one of R.sup.1 and R.sup.2 has a C--C double bond when A is a single covalent bond, their preparation, liquid crystalline mixtures containing these compounds and their use for electro-optical purposes are described.

    摘要翻译: 式(Ⅰ)化合物其中m代表0或1; A是单个共价键,-CH 2 -CH 2 - , - OCH 2 - , - COO-或-OOC-; 环B,C和D是任选被氰基,卤素或低级烷基取代的1,4-亚苯基; Y1和Y2是氢或其中之一也是氰基; 并且R 1和R 2各自表示任选被卤素取代的C 1 -C 18 - 烷基或C 2 -C 18烯基,其中一个CH 2基团或两个不相邻的CH 2基团任选被氧代替; 条件是当A是-COO-时,R 1和R 2中的至少一个具有手性碳原子或CC双键,当A是单个共价键时,R 1和R 2中的至少一个具有CC双键, 描述了它们的制备方法,含有这些化合物的液晶混合物及其用于电光学目的的用途。

    Ferroelectric liquid crystal mixtures and compounds as well as
electro-optical devices employing same
    4.
    发明授权
    Ferroelectric liquid crystal mixtures and compounds as well as electro-optical devices employing same 失效
    电化学液晶混合物和化合物作为使用其的电光设备

    公开(公告)号:US5100577A

    公开(公告)日:1992-03-31

    申请号:US464610

    申请日:1990-01-11

    摘要: A ferroelectric liquid crystalline mixture containing at least one optically active compound of the general formula ##STR1## wherein X.sup.1 denotes a single covalent bond, --COO--, --OOC--, --CH.sub.2 CH.sub.2 --, --OCH.sub.2 -- or --CH.sub.2 O--; one of rings A.sup.1, A.sup.2 and A.sup.3 represents trans-m-dioxan-2,5-diyl and the other two of rings A.sup.1, A.sup.2 and A.sup.3 each independently represent unsubstituted 1,4-phenylene or 1,4-phenylene substituted with cyano, halogen or lower alkyl; R.sup.1 and R.sup.2 each independently signify an optionally halogen-substituted alkyl group with up to 18 carbon atoms in which optionally 1 CH.sub.2 group or 2 non-adjacent CH.sub.2 groups is/are replaced by --O--, --CO--, --COO-- and/or --OOC--,as well as novel compounds falling under formula I and ferroelectric electrode-optical indicating devices including same.

    摘要翻译: 含有至少一种通式为I的光学活性化合物的铁电液晶混合物,其中X1表示单个共价键,-COO-,-OOC - , - CH 2 CH 2 - , - OCH 2 - 或-CH 2 O-; 环A 1,A 2和A 3中的一个表示反式间二恶烷-2,5-二基,环A1,A2和A3中的另外两个各自独立地表示被氰基取代的未取代的1,4-亚苯基或1,4-亚苯基, 卤素或低级烷基; R1和R2各自独立地表示具有至多18个碳原子的任选卤素取代的烷基,其中任选地1个CH 2基团或2个不相邻的CH 2基团被-O-,-CO-,-COO-和/ 或-OOC-,以及下式I的新型化合物和包括其的铁电电极 - 光学指示装置。

    Liquid crystal compounds and indicating device employing same
    5.
    发明授权
    Liquid crystal compounds and indicating device employing same 失效
    液晶化合物和使用其的指示装置

    公开(公告)号:US5013476A

    公开(公告)日:1991-05-07

    申请号:US121712

    申请日:1987-11-17

    摘要: A ferroelectric liquid crystal mixture containing at least one compound of the formula ##STR1## wherein n stands for the number 0 or 1; X.sup.1 represents a single covalent bond, --COO-- or --OOC-- and X.sup.2 represents a single covalent bond, --COO--, --OOC--, --CH.sub.2 CH.sub.2 --, --OCH.sub.2 -- or --CH.sub.2 O--; rings A.sup.1, A.sup.2 and A.sup.3 each independently signify 1,4-phenylene optionally substituted with cyano, halogen or lower alkyl or pyrimidin-2,5-diyl, pyrazin-2,5-diyl, when n is 1, trans-1,4-cyclohexylene or trans-m-dioxan-2,5-diyl; with the proviso that one of the rings present stands for pyrimidin-2,5-diyl or pyrazin-2,5-diyl when a further ring signifies trans-1,4-cyclohexylene or when n stands for the number 0 and X.sup.1 stands for a single covalent bond; and R.sup.1 signifies an optionally halogen-substituted alkenyl group with up to 18 carbon atoms in which optionally 1 or 2 non-adjacent CH.sub.2 groups are replaced by --O-- and/or a C.dbd.C double bond; with the proviso that R.sup.1 is different from 3,7-dimethyl-6-octenyloxy; R.sup.2 signifies an optionally halogen-substituted alkyl group with up to 18 carbon atoms in which optionally 1 or 2 non-adjacent CH.sub.2 groups are replaced by --O-- and/or a C.dbd.C double bond; with the proviso that residues R.sup.1 and/or R.sup.2 attached to an aromatic ring have at least 2 chain atoms between the aromatic ring and a C.dbd.C double bond present;as well as novel compounds falling under formula I and novel ferroelectric liquid crystal devices employing the compounds according to the invention.

    摘要翻译: 含有至少一种下式化合物的铁电液晶混合物,其中n代表数字0或1; X1表示单个共价键,-COO-或-OOC-,X2表示单个共价键,-COO - , - OOC - , - CH 2 CH 2 - , - OCH 2 - 或-CH 2 O-。 环A1,A2和A3各自独立地表示任选被氰基,卤素或低级烷基或嘧啶-2,5-二基,吡嗪-2,5-二基取代的1,4-亚苯基,当n为1时,反式-1,4 环己基或反式间二恶烷-2,5-二基; 条件是存在的一个环表示嘧啶-2,5-二基或吡嗪-2,5-二基,当另一个环表示反式-1,4-亚环己基或当n表示0时,X 1表示 单一共价键; 并且R 1表示任选具有至多18个碳原子的卤素取代的烯基,其中任选地1或2个不相邻的CH 2基团被-O-和/或C = C双键替代; 条件是R1不同于3,7-二甲基-6-辛烯氧基; R2表示任选具有至多18个碳原子的卤素取代的烷基,其中任选地1或2个不相邻的CH 2基团被-O-和/或C = C双键替代; 条件是连接到芳族环上的残基R1和/或R2在芳族环和存在的C = C双键之间具有至少2个链原子; 以及下式I中的新化合物和使用本发明化合物的新型铁电液晶装置。

    Pyridine liquid crystalline compounds
    7.
    发明授权
    Pyridine liquid crystalline compounds 失效
    吡啶液晶化合物

    公开(公告)号:US4898455A

    公开(公告)日:1990-02-06

    申请号:US39143

    申请日:1987-04-16

    摘要: There is described compounds of the formula ##STR1## wherein X stands for CH and Y stands for N or X stands for N and Y stands for CH; A.sup.1 and A.sup.2 signify single covalent bonds or one of the groups A.sup.1 and A.sub.2 also signifies trans-1,4-cyclohexylene, cis-4-cyano-trans-1,4-cyclohexylene or 1,4-phenylene optionally substituted with halogen or methyl; ring B represents trans-1,4-cyclohexylene, 1,4-phenylene optionally substituted with halogen or methyl or, when A.sup.2 signifies a single covalent bond, also cis-4-cyano-trans-1,4-cyclohexylene; R.sup.1 denotes an optionally halogen-substituted alkyl or alkenyl group in which optionally one CH.sub.2 group or two non-adjacent CH.sub.2 groups is/are replaced by --O--, --COO-- and/or --OOC--; R.sup.2 signifies an optionally halogen-substituted alkyl or alkenyl group in which optionally one CH.sub.2 group or two non-adjacent CH.sub.2 groups is/are replaced by --O--, --COO-- and/or --OOC-- or R.sup.2 on a benzene ring also signifies --NCS, cyano or halogen; with the proviso that R.sup.1 denotes an optionally halogen-substituted alkenyl group in which optionally one CH.sub.2 group or two non-adjacent CH.sub.2 groups is/are replaced by --O--, --COO-- and/or --OOC-- when R.sup.2 signifies cyano or halogen; and with the proviso that R.sup.1 and/or R.sup.2 has a chiral carbon atom when R.sup.1 and R.sup.2 stand for optionally halogen-substituted alkyl groups in which optionally one CH.sub.2 group or two non-adjacent CH.sub.2 groups is/are replaced by --O--, --COO-- and/or --OOC--,as well as liquid crystalline mixtures and their use for electro-optical purposes.

    摘要翻译: 描述了式(Ⅰ)的化合物,其中X代表CH,Y代表N或X代表N,Y代表CH; A1和A2表示单个共价键,或者A1和A2之一也表示反式-1,4-亚环己基,顺式-4-氰基 - 反-1,4-亚环己基或任选被卤素或甲基取代的1,4-亚苯基 ; 环B表示反式-1,4-亚环己基,任选被卤素或甲基取代的1,4-亚苯基,或当A2表示单个共价键时,也表示顺式-4-氰基 - 反式-1,4-亚环己基; R1表示任选的卤素取代的烷基或烯基,其中任选一个CH 2基团或两个不相邻的CH 2基团被-O-,-COO-和/或-OOC-取代; R2表示任选的卤素取代的烷基或烯基,其中任选一个CH 2基团或两个不相邻的CH 2基团被-O-,-COO-和/或-OOC-或R2取代在苯环上也表示 -NCS,氰基或卤素; 条件是R 1表示任选的卤素取代的烯基,其中当R 2表示氰基或卤素时,任选地一个CH 2基团或两个不相邻的CH 2基团被-O-,-COO-和/或-OOC-取代 ; 并且条件是当R 1和R 2表示任选卤素取代的烷基时,R 1和/或R 2具有手性碳原子,其中任选地一个CH 2基团或两个不相邻的CH 2基团被-O-, - COO-和/或-OOC-,以及液晶混合物及其用于电光目的。

    Liquid crystalline mixtures having a chiral tilted smectic phase
    8.
    发明授权
    Liquid crystalline mixtures having a chiral tilted smectic phase 失效
    具有手性倾斜近晶相的液晶混合物

    公开(公告)号:US5356563A

    公开(公告)日:1994-10-18

    申请号:US74077

    申请日:1993-06-09

    摘要: Optically active compounds of the formula ##STR1## wherein m stands for the number 1 and R.sup.2 is an unsubstituted or halogen-substituted alkyl or alkenyl group in which optionally one methylene group is replaced by oxygen and/or optionally one methylene group is replaced by an ester group --COO-- or --OOC--; or m stands for the number 0 or 1 and R.sup.2 denotes a group of the formula ##STR2## R.sup.1 and R.sup.3 each independently represent an alkyl or alkenyl group in which optionally one methylene group is replaced by oxygen; Z.sup.1, Z.sup.2 and Z.sup.3 each independently are a single covalent bond, --CH.sub.2 O--, --OCH.sub.2 --, --CH.sub.2 CH.sub.2 --, --COO-- or --OOC--; n stands for the number 0 or 1; rings A.sup.1 and A.sup.2 each independently are unsubstituted or halogen, cyano and/or methyl-substituted 1,4-phenylene in which optionally 1 CH group or 2 CH groups is/are replaced by nitrogen; and C.sup.* denotes a chiral carbon atom; with the proviso that simultaneously R.sup.l does not are an alkyl group, m and n do not are the number 1, Z.sup.1 does not are the group --CH.sub.2 CH.sub.2 -- or --CH.sub.2 O-- and ring A.sup.1, Z.sup.2, ring A.sup.2 and R.sup.2 together do not are 4-(5-alkyl-2-pyrimidinyl)-phenyl, their preparation, liquid crystalline mixtures which contain these compounds and their use for electro-optical purposes.

    摘要翻译: 式I的光学活性化合物其中m代表数字1,R2是未取代或卤素取代的烷基或烯基,其中任选一个亚甲基被氧代替,和/或任选地一个亚甲基被 酯基-COO-或-OOC-; 或m代表数字0或1,并且R 2表示式II的基团R 1和R 3各自独立地表示烷基或烯基,其中任选的一个亚甲基被氧代替; Z 1,Z 2和Z 3各自独立地是单个共价键,-CH 2 O - , - OCH 2 - , - CH 2 CH 2 - , - COO-或-OOC-; n代表数字0或1; 环A1和A2各自独立地为未取代的或卤素,氰基和/或甲基取代的1,4-亚苯基,其中任选的1CH基团或2CH基团被氮取代; C *表示手性碳原子; 条件是同时R1不是烷基,m和n不是数字1,Z1不是基团-CH 2 CH 2 - 或-CH 2 O-,环A1,Z2,环A2和R2不是 4-(5-烷基-2-嘧啶基) - 苯基,它们的制备方法,含有这些化合物的液晶混合物及其用于电光目的。

    Liquid crystalline mixtures having a chiral tilted smectic phase
    9.
    发明授权
    Liquid crystalline mixtures having a chiral tilted smectic phase 失效
    具有手性倾斜近晶相的液晶混合物

    公开(公告)号:US5244597A

    公开(公告)日:1993-09-14

    申请号:US898395

    申请日:1992-06-11

    摘要: Optically active compounds of the formula ##STR1## wherein m stands for the number 1 and R.sup.2 is an unsubstituted or halogen-substituted alkyl or alkenyl group in which optionally one methylene group is replaced by oxygen and/or optionally one methylene group is replaced by an ester group --COO-- or --OOC--; or m stands for the number 0 or 1 and R.sup.2 denotes a group of the formula ##STR2## R.sup.1 and R.sup.3 each independently represent an alkyl or alkenyl group in which optionally one methylene group is replaced by oxygen; Z.sup.1, Z.sup.2 and Z.sup.3 each independently are a single covalent bond, --CH.sub.2 O--, --OCH.sub.2 --, --CH.sub.2 CH.sub.2 --, --COO-- or --OOC--; n stands for the number 0 or 1; rings A.sup.1 an A.sup.2 each independently are unsubstituted or halogen, cyano and/or methyl-substituted 1,4-phenylene in which optionally 1 CH group or 2 CH groups is/are replaced by nitrogen; and C* denotes a chiral carbon atom; with the proviso that simultaneously R.sup.1 does not are an alkyl group, m and n do not are the number 1, Z.sup.1 does not are the group --CH.sub.2 CH.sub.2 -- or --CH.sub.2 O-- and ring A.sup.1, Z.sup.2, ring A.sup.2 and R.sup.2 together do not are 4-(5-alkyl-2-pyrimidinyl)-phenyl, their preparation, liquid crystalline mixtures which contain these compounds and their use for electro-optical purposes.

    摘要翻译: 式I的光学活性化合物其中m代表数字1,R2是未取代或卤素取代的烷基或烯基,其中任选一个亚甲基被氧代替,和/或任选地一个亚甲基被 酯基-COO-或-OOC-; 或m代表数字0或1,并且R 2表示式II的基团R 1和R 3各自独立地表示烷基或烯基,其中任选的一个亚甲基被氧代替; Z 1,Z 2和Z 3各自独立地是单个共价键,-CH 2 O - , - OCH 2 - , - CH 2 CH 2 - , - COO-或-OOC-; n代表数字0或1; 环A1和A2各自独立地为未取代的或卤素,氰基和/或甲基取代的1,4-亚苯基,其中任选的1个CH基团或2个CH基团被氮取代; C *表示手性碳原子; 条件是同时R1不是烷基,m和n不是数字1,Z1不是基团-CH 2 CH 2 - 或-CH 2 O-,环A1,Z2,环A2和R2不是 4-(5-烷基-2-嘧啶基) - 苯基,它们的制备方法,含有这些化合物的液晶混合物及其用于电光目的。

    Oxaxoline derivatives
    10.
    发明授权
    Oxaxoline derivatives 失效
    牛油衍生物

    公开(公告)号:US5360577A

    公开(公告)日:1994-11-01

    申请号:US946987

    申请日:1992-09-17

    摘要: Optically active compounds of the general formula ##STR1## wherein n stands for the number 0 or 1; R.sup.3 denotes a group R.sup.4 or a group of the general formula ##STR2## A.sup.1, A.sup.2 and A.sup.3 each independently represent 1,4-phenylene, which is unsubstituted or mono- or multiply-substituted with halogen, cyano and/or methyl and in which, where it is unsubstituted, 1 or 2 CH groups is/are optionally replaced by nitrogen, trans-1,4-cyclohexylene, trans-1,3-dioxane-2,5-diyl, bycyclo[2.2.2]octane-1,4-diyl, naphthalene-2,6-diyl, tetralin-2,6-diyl or trans-decalin-2,6-diyl; Z.sup.1 and Z.sup.4 each independently signify a single covalent bond or --CH.sub.2 CH.sub.2 --; Z.sup.2 and Z.sup.3 each independently denote a single covalent bond, --CH.sub.2 CH.sub.2 --, --COO--, --OOC--, --CH.sub.2 O--, --OCH.sub.2 --, --C.tbd.C--, --(CH.sub.2).sub.4 --, --(CH.sub.2).sub.3 O--, --O(CH.sub.2).sub.3 -- or the trans form of --CH.dbd.CH--CH.sub.2 CH.sub.2 --, --CH.sub.2 CH.sub.2 --CH.dbd.CH--, --CH.dbd.CH--CH.sub.2 O-- or --OCH.sub.2 --CH.dbd.CH--; R.sup.1 and R.sup.5 each independently signify alkyl with 1 to 12 carbon atoms, alkoxymethyl with 2 to 12 carbon atoms, p-alkoxyphenyl or p-alkoxybenzyl; R.sup.2 and R.sup.6 each independently signify hydrogen, alkyl with 1 to 12 carbon atoms or phenyl; R.sup.4 denotes hydrogen, halogen, cyano, trifluoromethyl, trifluoromethoxy or alkyl or alkenyl with 1 to 12 and, respectively, 2 to 12 carbon atoms, which are unsubstituted or mono- or multiply-substituted with halogen, cyano and/or methyl and in which one methylene group or two non-adjacent methylene groups can be replaced by --O--, --COO-- and/or --OOC--; and the oxazoline ring in formula I is present in optically active form, liquid crystalline mixtures which contain such dopants and their use for optical and electro-optical purposes.

    摘要翻译: 光学活性的通式为“IMAGE”I的化合物,其中n代表数字0或1; R3表示基团R4或通式II或III的基团,A1,A2和A3各自独立地表示1,4-亚苯基,其未被取代或被卤素,氰基和 /或甲基,其中未被取代的是1或2个CH基团任选地被氮,反式-1,4-亚环己基,反式-1,3-二恶烷-2,5-二基,被环[2.2 .2]辛烷-1,4-二基,萘-2,6-二基,四氢化萘-2,6-二基或反 - 十氢化萘-2,6-二基; Z 1和Z 4各自独立地表示单个共价键或-CH 2 CH 2 - ; Z 2和Z 3各自独立地表示单个共价键,-CH 2 CH 2 - , - COO - , - OOC-, - CH 2 O - , - OCH 2 - , - C 3 CF 3 - , - (CH 2)4 - , - (CH 2) ,-O(CH 2)3 - 或-CH = CH-CH 2 CH 2 - ,-CH 2 CH 2 -CH = CH-,-CH = CH-CH 2 O-或-OCH 2 -CH = CH-的反式; R1和R5各自独立地表示具有1至12个碳原子的烷基,具有2至12个碳原子的烷氧基甲基,对烷氧基苯基或对 - 烷氧基苄基; R2和R6各自独立地表示氢,具有1至12个碳原子的烷基或苯基; R 4表示氢,卤素,氰基,三氟甲基,三氟甲氧基或具有1至12个且分别具有2至12个碳原子的烷基或烯基,其未被取代或被卤素,氰基和/或甲基单取代或多取代,并且其中 一个亚甲基或两个不相邻的亚甲基可以被-O - , - O-和/或-OOC-取代; 并且式I中的恶唑啉环以光学活性形式存在,其含有这种掺杂剂的液晶混合物及其用于光学和电光学目的。