Fluorinated azoles, and their use in liquid-crystalline mixtures
    4.
    发明授权
    Fluorinated azoles, and their use in liquid-crystalline mixtures 失效
    氟化唑类及其在液晶混合物中的应用

    公开(公告)号:US06231786B1

    公开(公告)日:2001-05-15

    申请号:US09484680

    申请日:2000-01-18

    IPC分类号: C09K1934

    摘要: In the fluorinated azoles of the formula (I) R1(—A1)a—T—(A2—)b(M—A3—)cR2   (I) the symbols and indices have -the following meanings: T is undirected and is 4-fluorothiazole-2,5-diyl, 5-fluorothiazole-2,4-diyl, 4-fluorooxazole-2,5-diyl, 5-fluorooxazole-2,4-diyl or 4-fluoroisoxazole-2,5-diyl; R1 and R2 are identical or different and are hydrogen or a straight-chain or branched C1-20-alkyl or C2-20-alkenyl radical (with or without asymmetrical carbon atoms); A1, A2 and A3 are identical or different and are, for example, phenylene-1,4-diyl or cyclohexane-1,4-diyl; M is undirected and is —OC(═O)—, —OCH2—, —CH2CH2—, —OC(═O)CH2CH2—, —OCH2CH2CH2—, —C≡C—, —CH2CH2CH2CH2— or a single bond; a, b and c, independently of one another, are 0 or 1, with the proviso that the sum a+b+c is 1 or 2.

    摘要翻译: 在式(I)的氟化唑中,符号和指标具有以下含义:T是无定向的,4-氟噻唑-2,5-二基,5-氟噻唑-2,4-二基,4-氟恶唑-2, 5-二氟基-5-氟恶唑-2,4-二基或4-氟异恶唑-2,5-二基; R 1和R 2相同或不同,为氢或直链或支链C 1-20 - 烷基或C 2-20 - 烯基(具有或不具有不对称碳原子); A1,A2和A3相同或不同,为例如亚苯基-1,4-二基或环己烷-1,4-二基; M为无取代基且为-OC( = O) - , - OCH 2 - , - CH 2 CH 2 - , - OC(= O)CH 2 CH 2 - , - OCH 2 CH 2 CH 2 - , - C≡C-, - CH 2 CH 2 CH 2 CH 2 - 或单键; a,b和c彼此独立地 ,为0或1,条件是a + b + c之和为1或2。

    Difluorophenyl pyrimidyl pyridine derivatives and the use thereof in
liquid crystal mixtures
    5.
    发明授权
    Difluorophenyl pyrimidyl pyridine derivatives and the use thereof in liquid crystal mixtures 失效
    二氟苯基嘧啶基吡啶衍生物及其在液晶混合物中的应用

    公开(公告)号:US6022492A

    公开(公告)日:2000-02-08

    申请号:US91404

    申请日:1999-01-14

    摘要: Difluorophenylpyrimidylpyridine derivatives of the formula (I) ##STR1## wherein X is N and Y is CH or X is CH and Y is N;R.sup.1 and R.sup.2 are identical or different and area) an unbranched or branched alkyl chain having 1 to 20 carbon atoms, whereaa) one or more non-adjacent and non-terminal CH.sub.2 groups may be replaced by --O--, --CO--O--, --O--CO--, --O--CO--O-- or --Si(CH.sub.3).sub.2 --, and/orab) one or more H atoms may be replaced by F, and/orac) the terminal CH.sub.3 group may be replaced by one of the following chiral groups (optically active or racemic): ##STR2## R.sup.3, R.sup.4 and R.sup.5 are identical or different and are hydrogen or a straight-chain or branched alkyl radical having 1-16 carbon atoms (with or without an asymmetrical carbon atom), where, in addition, one or more non-adjacent non-terminal CH.sub.2 groups may be replaced by --O--, and/or where one or more H atoms of the alkyl radical may be substituted by --F; R.sup.4 and R.sup.5 may alternatively together be --(CH.sub.2).sub.4 -- or --(CH.sub.2).sub.5 -- if they are bonded to a dioxolane system,are suitable as components, in particular, of ferroelectric liquid-crystal mixtures.

    摘要翻译: PCT No.PCT / EP96 / 05774 Sec。 371日期1999年1月14日第 102(e)日期1999年1月14日PCT 1996年12月20日PCT公布。 第WO97 / 24351号公报 日期:1997年7月10日,式(I)的二氟苯基嘧啶基吡啶衍生物,其中X为N,Y为CH或X为CH,Y为N; R1和R2相同或不同,并且a)具有1至20个碳原子的无支链或支链烷基链,其中aa)一个或多个非相邻和非末端的CH 2基团可以被-O - , - CO- O-,-O-CO-,-O-CO-O-或-Si(CH 3)2 - 和/或ab)一个或多个H原子可以被F替代,和/或ac) 可以被以下手性基团(光学活性或外消旋)之一代替:R3,R4和R5相同或不同,是氢或具有1-16个碳原子的直链或支链烷基(具有或不具有不对称的 碳原子),此外,一个或多个非相邻的非末端CH 2基团可被-O-取代,和/或烷基的一个或多个H原子可被-F取代; R4和R5可以一起为 - (CH 2)4 - 或 - (CH 2)5 - 如果它们与二氧杂环戊烷体系结合,则适合作为组分,特别是铁电液晶混合物。

    Five membered-ring compounds and utilization thereof in liquid crystal mixtures
    9.
    发明授权
    Five membered-ring compounds and utilization thereof in liquid crystal mixtures 有权
    五元环化合物及其在液晶混合物中的应用

    公开(公告)号:US07052742B1

    公开(公告)日:2006-05-30

    申请号:US10070242

    申请日:2000-08-31

    摘要: Fluorinated five-membered ring compounds of the formula (I) R1—X—(A1—M1)a—(A2—M2)b—A3—Y—E   (I) where E is a radical T—Z—R2 containing a five-membered ring and, for example, T is undirected and is 4-fluorothiophene-2,5-diyl, 3-fluorothiophene-2,5-diyl, 3-fluorothiophene-2,4-diyl, 5-fluorothiophene-2,4-diyl, furan-2,5-diyl, furan-2,4-diyl, isoxazole-3,5-diyl, thiazole-2,5-diyl, thiazole-2,4-diyl, cyclopentane-1,3-diyl or cyclopentene-1,3-diyl, R1 and R2 are hydrogen, X is a single bond, —O—, OC(═O)—, —C(═O)O— or —OC(═O)O—, Y is —OC(═O)—, —OCH2—, —CH2CH2—, Z is a single bond or —O—, A1, A2, A3 are each, independently of one another, phenylene-1,4-diyl, M1, M2 are undirected and are each, independently of one another, —OC(═O)—, —OCH2—, —CH2CH2—, —OC(═O)CH2CH2—, —OCH2CH2CH2—, —C≡C—, —CH2CH2CH2CH2— or a single bond, a, b are each, independently of one another, 0 or 1, are used in FLC mixtures.

    摘要翻译: 式(I)的氟化五元环化合物<?in-line-formula description =“In-line Formulas”end =“lead”→> R 1 -X-(A SUP (1) (i)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中E是基团TZR 2 ,例如T是无取代的,是4-氟噻吩-2,5-二基,3-氟噻吩-2,5-二基,3-氟噻吩-2,4-二基, 二氟基,5-氟噻吩-2,4-二基,呋喃-2,5-二基,呋喃-2,4-二基,异恶唑-3,5-二基,噻唑-2,5-二基,噻唑-2,4-二基, 二烷基,环戊烷-1,3-二基或环戊烯-1,3-二基,R 1和R 2是氢,X是单键,-O-, OC(-O) - , - C(-O)O-或-OC(-O)O-,Y是-OC(-O) - , - OCH 2 - , - Z是单键或-O-,A 1,A 2,A 2, SUP> 3 <! - SIPO - >彼此独立地为亚苯基-1,4-二基,M 1,M 2, 无取代,各自独立地为-OC(-O) - , - OCH 2 - , - CH 2 CH 2 - ,-OC(-O)CH 2 CH 2 - , - CH 2 CH 2 CH 2 - 2 - , - C≡C - , - CH 2 CH 2 CH 2 CH 2 CH 2 - 或单键,a,b各自独立地为0或1,用于FLC混合物。

    Fluorinated heterocycles and their use in liquid-crystal mixtures

    公开(公告)号:US07026021B2

    公开(公告)日:2006-04-11

    申请号:US10903937

    申请日:2004-07-30

    摘要: Compounds of the general formula (I) where: R1, R2 are each independently a) H b) -M1-A1-R5 c) a straight-chain or branched alkyl radical having from 1 to 16 carbon atoms or a straight-chain or branched alkenyl radical having from 2 to 16 carbon atoms, where c1) one or more nonadjacent and nonterminal CH2 groups may be replaced by —O—, —C(═O)O—, —O—C(═O)—, —O—C(═O)—O—, —C(═O)— or —Si(CH3)2—, and/or c2) one CH2 group may be replaced by —C≡C—, cyclopropane-1,2-diyl, cyclobutane-1,3-diyl, cyclohexane-1,4-diyl or phenylene-1,4-diyl, and/or c3) one or more hydrogen atoms may be replaced by F and/or Cl, p, q are each independently 0 or 1 G1-G2 is —CH2CH—, —CH═C—, —CH2CH2CH— or —CH═CH—CH— M1 is —CO—O—, —O—CO—, —CH2—O—, —O—CH2—, —CF2—O—, —O—CF2—, —CH═CH—, —CF═CF—, —C≡C—, —CH2—CH2—CO—O—, —O—CO—CH2—CH2—, —CH2—CH2—, —CF2—CF2—, —(CH2)4—, —OC(═O)CF═CF— or a single bond, A1 is 1,4-phenylene where one or two hydrogen atoms may be replaced by F, Cl, CN and/or OCF3, or up to three hydrogen atoms may be replaced by fluorine, 1,4-cyclohexylene where one or two hydrogen atoms may be replaced by CH3 and/or F, 1-cyclohexene-1,4-diyl, where one hydrogen atom may be replaced by CH3 or F, or 1,3-dioxane-2,5-diyl, R5 has the same possible definitions as R1 and R2, with the exception of -M1-A1-R5 with the provisos that: a) at least one of p, q is 1, b) R1 and R2 must not at the same time be H. are used in liquid-crystal mixtures.