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    • 91. 发明授权
    • Fluoro-substituted phenyl-cyclohexylacetylenes
    • 氟取代的苯基 - 环己基乙炔
    • US5399292A
    • 1995-03-21
    • US236868
    • 1994-05-02
    • Richard BucheckerMartin Schadt
    • Richard BucheckerMartin Schadt
    • C07C25/18C07C25/24C07C43/192C07C43/225C07C43/285C07C43/29C07C255/46C07C255/50C07C255/54C07D213/26C07D213/30C07D213/57C07D239/26C07D319/06C09K19/18C09K19/30C09K19/34C09K19/42G02F1/13C07C25/13C07C43/02C07D239/02
    • C07D239/26C07C25/18C07C25/24C07C255/46C07C255/50C07C43/192C07D213/26C07D319/06C09K19/3059C09K19/3402C09K19/3444C09K19/3461C09K19/42C07C2101/14C09K2019/3422
    • Fluoro-substituted phenyl-cyclohexylacetylenes have the formula: ##STR1## wherein R signifies alkyl, alkoxy, alkenyl or alkenyloxy with 1 or, respectively, 2 to 12 carbon atoms in which one CH.sub.2 group can be replaced by oxygen and/or one or more hydrogen atoms can be replaced by fluorine atoms, with the proviso that two oxygen atoms are not directly adjacent;A.sup.1 represents 1,4-phenylene, pyridine-2,5-diyl, pyrimidine-2,5-diyl, trans-1,4-cyclohexylene or trans-1,3-dioxane-2,5-diyl;A.sup.2 signifies trans-1,4-cyclohexylene or 1,4-phenylene which is optionally substituted with fluorine;Z.sup.1 signifies a single covalent bond, --CH.sub.2 CH.sub.2 --, --OCH.sub.2 --, --CH.sub.2 O--, --(CH.sub.2).sub.4 --, --O(CH.sub.2).sub.3 --, --(CH.sub.2).sub.3 O-- or, when ring A.sup.1 represents a saturated ring, also the trans form of --CH.dbd.CH(CH.sub.2).sub.2 -- or --CH.dbd.CHCH.sub.2 O--;Z.sup.2 signifies a single covalent bond, --CH.sub.2 --CH.sub.2 --, --OCH.sub.2 --, --CH.sub.2 O--, --(CH.sub.2).sub.4 --, --O(CH.sub.2).sub.3 --, --(CH.sub.2).sub.3 O-- or the trans form of --CH.dbd.CH(CH.sub.2).sub.2 -- or --CH.dbd.CHCH.sub.2 O--;n signifies 0 or 1;m signifies 0 or 1, with the proviso that n+m is
    • 氟取代的苯基 - 环己基乙炔具有下式:其中R表示具有1个或分别具有2至12个碳原子的烷基,烷氧基,烯基或烯氧基,其中一个CH 2基团可被氧和/或一个或多个 更多的氢原子可被氟原子取代,条件是两个氧原子不直接相邻; A1代表1,4-亚苯基,吡啶-2,5-二基,嘧啶-2,5-二基,反-1,4-亚环己基或反式-1,3-二恶烷-2,5-二基; A2表示任选被氟取代的反式-1,4-亚环己基或1,4-亚苯基; Z1表示单个共价键,-CH 2 CH 2 - , - OCH 2 - , - CH 2 O - , - (CH 2)4 - , - O(CH 2)3 - , - (CH 2)3 O- - 或者当环A1表示饱和环时, 也可以是-CH = CH(CH 2)2 - 或-CH = CHCH 2 O-的反式; Z 2表示单个共价键,-CH 2 -CH 2 - , - OCH 2 - , - CH 2 O-, - (CH 2)4 - , - O(CH 2)3 - , - (CH 2) CH(CH 2)2 - 或-CH = CHCH 2 O-; n表示0或1; m表示0或1,条件是n + m <1; 并且X表示氰基,-CF 3,-OCF 3,-OCHF 2,-CH = CF 2,-CH = CHCl,烷基,烯基,烷氧基,烯氧基或具有1或2至6个碳原子的烷氧基烷基或反式-1, 4-亚环己基也是-CH = CHF或-CH = CHCl或1,4-亚苯基也是氟或氯。
    • 93. 发明授权
    • Trans-dihalogenostilbene compounds and liquid crystal electro-optical
devices using them
    • 反式二卤代茋化合物和使用它们的液晶电光装置
    • US5380461A
    • 1995-01-10
    • US767803
    • 1991-09-30
    • Kikumasa SatoSeiichi InoueJun IshiharaKatsutoshi Machida
    • Kikumasa SatoSeiichi InoueJun IshiharaKatsutoshi Machida
    • C07C17/26C07C22/04C07C22/08C07C25/24C07C43/174C07C43/192C07C43/225C07C43/247C07C69/017C07C255/50C07C255/54C09K19/16C09K19/30C09K19/34C09K19/06C09K19/12
    • C07C17/263C07C22/04C07C22/08C07C25/24C07C255/50C07C255/54C07C43/174C07C43/1747C07C43/192C07C43/225C07C43/247C07C69/017C09K19/16C09K19/3048C09K19/3469C07C2101/14C09K2019/0444C09K2019/0459
    • A trans-dihalogenostilbene compound of the formula: ##STR1## wherein each of A.sup.1 to A.sup.4, which are independent from one another, is a trans-1,4-cyclohexylene group or a 1,4-phenylene group, which is unsubstituted or substituted by one or more halogen atoms, methyl groups or nitrile groups and in which one or more CH groups may be substituted by nitrogen atoms, and one or more CH.sub.2 groups may be substituted by oxygen atoms or sulfur atoms; each of B.sup.1 and B.sup.2, which are independent from each other, is a 1,4-phenylene group, which is unsubstituted or substituted by one or more halogen atoms, methyl groups or nitrile groups and in which one or more CH groups may be substituted by nitrogen atoms; each of Y.sup.1 to Y.sup.4, which are independent from one another, is --COO--, --O--, --OCO--, --CH.sub.2 CH.sub.2 --, --CH.sub.2 --, --CH.dbd.CH--, --OCH.sub.2 --, --CH.sub.2 O--, --CH.dbd.N--, --NO.dbd.N--, --N.dbd.ON--, --C.tbd.C--, --N.dbd.N-- or a single bond; each of X.sup. 1 and X.sup.2, which are independent from each other, is a fluorine atom, a chlorine atom, a bromine atom or a trifluoromethyl group; each of m, n, p and q is 0 or 1; and each of R.sup.1 and R.sup.2, which are independent from each other, is a C.sub.1 -C.sub.10 alkyl group, a halogen atom, a nitrile group or an isothiacyanate group, provided that in the case of the alkyl group, an oxygen atom may be interposed in a carbon-carbon bond of the group or in a carbon-carbon bond between this group and the adjacent ring, and in a case where R.sup.1 or R.sup.2 is the alkyl group, some of hydrogen atoms in the group may be substituted by fluorine atoms.
    • 下式的反式二卤代茋化合物:其中彼此独立的A1至A4各自为反式-1,4-亚环己基或1,4-亚苯基,其为 未被取代或被一个或多个卤素原子,甲基或腈基取代,并且其中一个或多个CH基团可以被氮原子取代,并且一个或多个CH 2基团可以被氧原子或硫原子取代; 彼此独立的B1和B2中的每一个是1,4-亚苯基,其未被取代或被一个或多个卤素原子,甲基或腈基取代,并且其中一个或多个CH基团可被取代 通过氮原子; 每个Y 1至Y 4彼此独立地为-COO - , - O - , - OCO - , - CH 2 CH 2 - , - CH 2 - , - CH = CH - , - OCH 2 - , - CH 2 O- = N - , - N = N - , - N = ON-, - C 3BOND C - , - N = N-或单键; X 1和X 2各自独立地为氟原子,氯原子,溴原子或三氟甲基; m,n,p和q各自为0或1; 并且R 1和R 2各自独立地为C1-C10烷基,卤素原子,腈基或异硫氰酸酯基,条件是在烷基的情况下,可以插入氧原子 在该基团的碳 - 碳键或该基团和相邻的环之间的碳 - 碳键中,并且在R 1或R 2为烷基的情况下,该基团中的一些氢原子可被氟原子取代 。
    • 95. 发明授权
    • Tetrasubstituted methanes having liquid-crystalline properties
    • 具有液晶性质的四取代甲烷
    • US5326495A
    • 1994-07-05
    • US934539
    • 1992-10-08
    • Rudolf Eidenschink
    • Rudolf Eidenschink
    • C07C69/612C07C69/616C07C69/753C07C69/76C07C69/773C07C69/92C07C255/54C07D239/26C09K19/12C09K19/30C09K19/34C09K19/52
    • C07D239/26C07C69/616C07C69/753C07C69/76C07C69/92C09K19/12C09K19/3003C09K19/3068C09K19/3458
    • Novel tetrasubstituted methane derivatives of the general formula C[--Sp--M--R].sub.4 in which the radicals --Sp--M--R are the same or different, in which Sp is a spacer group selected from an alkylene or alkenylene radical which is unsubstituted or monosubstituted by halogen, --CN or --CF.sub.3 or one or two non-adjacent CH.sub.2 groups may be replaced by --O--, --CO--, --COO--, --OOC--, --CONH-- or --OCOO--, or is a single bond; R is selected from hydrogen, halogen, --CN, --CF.sub.3, --OCF.sub.3, --NO.sub.2, --N(CH.sub.3).sub.2, an alkyl or alkenyl radical which is unsubstituted or monosubstituted or polysubstituted by --CN, --NH.sub.2, --CF.sub.3 or halogen and in which one or more non-adjacent CH.sub.2 groups may be replaced by the radicals --O--, --CO--, --OOC--, --COO-- or OCOO--; and M is a mesogenic group. Due to their liquid crystal properties, the novel compounds are eminently suitable for use in liquid crystalline media.
    • PCT No.PCT / EP91 / 00681 Sec。 371日期:1992年10月8日 102(e)日期1992年10月8日PCT 1991年4月10日PCT PCT。 公开号WO91 / 16295 1991年10月31日。通式C [-Sp-MR] 4的新型四取代甲烷衍生物,其中基团-Sp-MR相同或不同,其中Sp是选自亚烷基或亚烯基的间隔基 被卤素,-CN或-CF 3或一个或两个不相邻的CH 2基团未取代或单取代的基团可以被-O - , - CO - , - COO - , - OOC-,-CONH-或-OCOO- ,或是单一债券; R选自氢,卤素,-CN,-CF 3,-OCF 3,-NO 2,-N(CH 3)2,未被取代或被-CN,-NH 2,-CF 3或卤素单取代或多取代的烷基或烯基 并且其中一个或多个不相邻的CH 2基团可以被基团-O - , - CO - , - OOC-,-COO-或OCOO - 取代; M是介晶组。 由于它们的液晶性质,新型化合物特别适用于液晶介质。