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    • 68. 发明授权
    • Fluorine-containing benzothiazoles, and their use in liquid-crystalline mixtures
    • 含氟苯并噻唑及其在液晶混合物中的应用
    • US06436489B1
    • 2002-08-20
    • US09532595
    • 2000-03-22
    • Rainer WingenAyako OgawaBarbara HornungWolfgang Schmidt
    • Rainer WingenAyako OgawaBarbara HornungWolfgang Schmidt
    • C09K1934
    • C07D277/66C09K19/3497Y10T428/10
    • Benzothiazoles of the formula (I) are used as components of liquid-crystal mixtures where the symbols and indices preferably have the following meanings: X1 and X2, independently of one another, are —CH—, —CF—, the —(R1)—C— group or the —(R1—A1—M1)C— group Y1 and Y2, independently of one another, are hydrogen or fluorine, but are not simultaneously fluorine with the provisos that: x1) X2 is the —(R1)C— group or the —(R1—A1—M1)C— group, and X1 is —CF—, Y1 is F and Y2 is H, or x2) X1 is the —(R1)C— group or the —(R1—A1—M1)C— group, and X2 is —CF—, Y2 is F and Y1 is H, or x3) X2 is the —(R1)C— group or the —(R1—A1—M1)C— group, and X1 is —CH—, Y1 is H and Y2 is F, or x4) X1 is the —(R1)C— group or the —(R1—A1—M1)C— group, and X2 is —CH—, Y2 is H and Y1 is F R1 and R2, independently of one another, are a straight-chain or branched alkyl radical (with or without asymmetrical carbon atoms) having 1 to 20 carbon atoms, where a) one non-terminal —CH2— group may be replaced by —O—, and/or b) one or more H atoms may be replaced by F, and/or A1 and A2, independently of one another, are phenylene-1,4-diyl, M1 is undirected and is —OC(═O)—, —OC(═O)O—, —OCH2—, —(CH2)n—, —OC(═O)CH2CH2—, —OCH2CH2CH2—, —C≡C— or a single bond n is from 1 to 6.
    • 式(I)的苯并噻唑用作液晶混合物的组分,其中符号和指数优选具有以下含义:X1和X2彼此独立地为-CH-,-CF-, - (R1) - C-基团或 - (R1-A1-M1)C-基团Y1和Y2彼此独立地是氢或氟,但不同时是氟,条件是:x1)X2是 - (R1)C-基团 或 - (R1-A1-M1)C-基,X1为-CF-,Y1为F,Y2为H或X2)X1为 - (R1)C-基或 - (R1-A1-M1 )C-基团,X 2为-CF-,Y 2为F,Y 1为H,或x 3)X 2为 - (R 1)C-基团或 - (R 1 -Al-M 1)C-基团, CH-,Y1为H,Y2为F,orx4)X1为 - (R1)C-基团或 - (R1-A1-M1)C-基团,X2为-CH-,Y2为H,Y1为 FR1和R2彼此独立地是具有1至20个碳原子的直链或支链烷基(具有或不具有不对称碳原子),其中a)一个非末端-CH 2 - 基团可以被-O- ,和/ orb)一个或多个H 原子可以被F取代,和/或A 1和A 2彼此独立地是亚苯基-1,4-二基,M1是无取代的,并且是-OC(= O) - , - OC(= O)O-, - OCH 2 - , - (CH 2)n - , - OC(= O)CH 2 CH 2 - , - OCH 2 CH 2 CH 2 - , - C = C-或单键n为1至6。
    • 70. 发明授权
    • 1-fluor-5,6,7,8-tetrahydroisoquinoline derivatives, and their use in
liquid-crystal line mixtures
    • 1-氟-5,6,7,8-四氢异喹啉衍生物及其在液晶线混合物中的应用
    • US5942618A
    • 1999-08-24
    • US952125
    • 1997-11-06
    • Javier ManeroRainer Wingen
    • Javier ManeroRainer Wingen
    • G02F1/13C07D217/22C07D401/04C09K19/34
    • C07D401/04C07D217/22C09K19/3444
    • 1-Fluoro-5,6,7,8-tetrahydroisoquinoline derivatives, and their use in liquid-crystalline mixtures1-Fluoro-5,6,7,8-tetrahydroisoquinoline derivatives of the formula (I)R.sup.1 ( --M.sup.1).sub.a (--A.sup.1 --M.sup.2).sub.b (--A.sup.2 --M.sup.3).sub.c --B(--M.sup.4 --A.sup.3).sub.d (--M.sup.5 --A.sup.4).sub.e (--M.sup.6 .sub.f --R.sup.2 (I)in which the symbols and indices have the following meanings:the group B is ##STR1## R.sup.1 and R.sup.2 are, for example, alkyl radicals having 1 to 20 carbon atoms;M.sup.1, M.sup.2, M.sup.3, M.sup.4, M.sup.5 and M.sup.6 are, for example, --O--, --CO--O--, --O--CO-- or a single bond;A.sup.1, A.sup.2, A.sup.3 and A.sup.4 are, for example, 1,4-phenylene, pyrimidine-2,5-diyl or trans-1,4-cyclohexylene, anda, b, c, d, e and f are zero or one, with the proviso that the sum of b, c, d and e is 0, 1 or 2.The compounds of the formula (I) are colorless in the pure state and generally form liquid-crystalline mesophases in a temperature range which is favorably located for electro-optical use. They are stable chemically, thermally and to light.
    • PCT No.PCT / EP96 / 01995 371日期:1997年11月6日 102(e)日期1997年11月6日PCT提交1996年5月10日PCT公布。 出版物WO96 / 35675 日期:1961年11月14日 - 氟-5,6,7,8-四氢异喹啉衍生物及其在液晶混合物中的用途式(I)的1-氟-5,6,7,8-四氢异喹啉衍生物R1( -M1)a(-A1-M2)b(-A2-M3)cB(-M4-A3)d(-M5-A4)e(-M6f-R2(I)其中符号和指数具有以下含义 基团B为R 1,R 2为例如具有1〜20个碳原子的烷基; M 1,M 2,M 3,M 4,M 5,M 6为例如-O - , - CO-O - , - O -CO-或单键; A1,A2,A3和A4是例如1,4-亚苯基,嘧啶-2,5-二基或反式-1,4-亚环己基,和a,b,c,d ,e和f为零或一个,条件是b,c,d和e的和为0,1或2.式(I)化合物在纯状态下为无色,通常形成液晶 中等相位在有利于电光学使用的温度范围内,它们化学稳定,耐热和耐光稳定。