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公开(公告)号:US4678283A
公开(公告)日:1987-07-07
申请号:US647210
申请日:1984-09-04
IPC分类号: C09K19/58 , B44F1/12 , C07F7/18 , C09K19/40 , C09K19/56 , G02F1/13 , G02F1/1337 , C07F7/04 , C09K19/54
CPC分类号: C09K19/56 , C07F7/1896 , C09K19/408 , G02F1/133719 , Y10T428/1014 , Y10T428/31612
摘要: Trialkanoyloxysilanes of the formula IR.sup.1 --A.sup.1 --A.sup.2 --O--C.sub.n H.sub.2n --Si(OOCR.sup.2) 3 Iwherein R.sup.1 is H or an alkyl group of 1-10 c atoms, wherein one or two non-adjacent CH.sub.2 groups may also be replaced by oxygen atoms, or is F, Cl, Br or CN, R.sup.2 is an alkyl group of 1-5 atoms, A.sup.1 and A.sup.2 are each 1,4-phenylene or 1,4-cyclohexylene groups and n is 2, 3, 4, 5 or 6, can be used for generating a homeotropic orientation of liquid-crystalline phases on surfaces.
摘要翻译: 式I R1-A1-A2-O-CnH2n-Si(OOCR2)3I的三烷醇酰氧基硅烷,其中R1是H或1-10c原子的烷基,其中一个或两个不相邻的CH 2基团也可以被 或者是F,Cl,Br或CN,R2是1-5个原子的烷基,A1和A2分别是1,4-亚苯基或1,4-亚环己基,n是2,3,4, 5或6,可用于在表面上产生液晶相的垂直取向。
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公开(公告)号:US4986931A
公开(公告)日:1991-01-22
申请号:US53908
申请日:1987-05-26
申请人: Rudolf Eidenschink , Gunther Haas , Ludwig Pohl , Michael Romer , Bernhard Scheuble , Georg Weber
发明人: Rudolf Eidenschink , Gunther Haas , Ludwig Pohl , Michael Romer , Bernhard Scheuble , Georg Weber
IPC分类号: C07C1/22 , C07C1/32 , C07C5/03 , C07C13/28 , C07C17/08 , C07C17/18 , C07C23/18 , C07C43/184 , C07C43/205 , C07C43/21 , C07C43/225 , C07C45/44 , C07C47/453 , C07D211/14 , C07D239/26 , C07D317/14 , C07D339/08 , C09K19/30 , C09K19/32 , C09K19/34
CPC分类号: C07D239/26 , C07C43/184 , C07C43/205 , C07C43/21 , C07C43/225 , C07C45/44 , C07C47/453 , C07D211/14 , C07D317/14 , C07D339/08 , C09K19/3001 , C09K19/3098 , C09K19/321 , C09K19/322 , C09K19/3402 , C09K19/3441 , C09K19/3469 , C09K19/3483 , C09K19/3491 , C07C2101/14 , C09K2019/325 , C09K2019/326 , C09K2019/3422
摘要: Cyclohexane derivatives of formula IR.sup.1 --(A.sup.1).sub.m --Z.sup.1 --A--Z.sup.2 --(A.sup.2).sub.n --R.sup.2 (I)wherein R.sup.1 and R.sup.2 are each H, an alkyl group which has 1-10 C atoms and in which one or two CH.sub.2 groups can also be replaced by 0 atoms, F, Cl, Br, CN or --O--COR, A.sup.1 and A.sup.2 are each 1,4-phenylene, 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl, piperidine-1,4-diyl, 1,4-bicyclo(2,2,2)-octylene or pyrimidine-2,5-diyl groups which are unsubstituted or substituted by 1-4 F atoms, A is a 1,4-cyclohexylene group which is substituted in the 1-position and/or 4-position by alkyl, alkoxy, fluorinated alkyl or fluorinated alkoxy, each of which has 1-5 C atoms, F, Cl, Br and/or CN and which can also carry 1 or 2 further F, Cl or Br atoms and/or CN groups, Z.sup.1 and Z.sup.2 are each --CO--O--, --O--CO--, --CH.sub.2 CH.sub.2 --, --OCH.sub.2 --, --CH.sub.2 O-- or a single bond, R is an alkyl group which has 1-5 C atoms, m is 1 or 2 and n is 0 or 1, it being possible, where m=2, for the two groups A.sup.1 to be identical or different from one another; and the acid addition salts of those compounds which are basic, are suitable for use as components of liquid-crystal dielectrics.
摘要翻译: 式I的环己烷衍生物R1-(A1)m-Z1-A-Z2-(A2)n-R2(I)其中R1和R2各自为H,具有1-10个C原子的烷基,其中一个或 两个CH2基团也可以被0个原子取代,F,Cl,Br,CN或-O-COR,A1和A2分别是1,4-亚苯基,1,4-亚环己基,1,3-二恶烷-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,其未被取代或被1-4个F原子取代,A为1 在1-位和/或4-位被烷基,烷氧基,氟化烷基或氟化烷氧基取代的4-亚环己基,每一个具有1-5个C原子,F,Cl,Br和/或CN和 其还可以携带1或2个F,Cl或Br原子和/或CN基团,Z 1和Z 2各自为-CO-O-,-O-CO-,-CH 2 CH 2 - , - OCH 2 - , - CH 2 O-或 单键,R为具有1-5个C原子的烷基,m为1或2,n为0或1,m = 2时,两组A1可以相同或不同 ; 和碱性的那些化合物的酸加成盐,适合用作液晶电介质的组分。
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公开(公告)号:US4985583A
公开(公告)日:1991-01-15
申请号:US35548
申请日:1987-04-07
申请人: Rudolf Eidenschink , Joachim Krause , Andreas Wachtler , Reinhard Hittich , Bernhard Scheuble , Georg Weber , Hans-Adolf Kurmeier
发明人: Rudolf Eidenschink , Joachim Krause , Andreas Wachtler , Reinhard Hittich , Bernhard Scheuble , Georg Weber , Hans-Adolf Kurmeier
IPC分类号: C07C1/22 , C07C1/32 , C07C5/03 , C07C13/28 , C07C17/08 , C07C17/18 , C07C23/18 , C07C43/184 , C07C43/205 , C07C43/21 , C07C43/225 , C07C45/44 , C07C47/453 , C07D211/14 , C07D239/26 , C07D317/14 , C07D339/08 , C09K19/30 , C09K19/32 , C09K19/34
CPC分类号: C07D239/26 , C07C43/184 , C07C43/205 , C07C43/21 , C07C43/225 , C07C45/44 , C07C47/453 , C07D211/14 , C07D317/14 , C07D339/08 , C09K19/3001 , C09K19/3098 , C09K19/321 , C09K19/322 , C09K19/3402 , C09K19/3441 , C09K19/3469 , C09K19/3483 , C09K19/3491 , C07C2101/14 , C09K2019/325 , C09K2019/326 , C09K2019/3422
摘要: New cyclohexane derivatives of the formula IR.sup.1 --A.sup.1 --Z.sup.1 --A.sup.2 --R.sup.2 IwhereinR.sup.1 and R.sup.2 are each H, an unsubstituted or substituted 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 at least one grouping from the group comprising --O--, --CO--, --O--CO--, --CO--O--, --C.tbd.C--, --CH.dbd.CH--, --S--, --SO-- and --SO.sub.2 --, F, Cl, Br, CN or R.sup.3 --(A.sup.3).sub.p --Z.sup.2 --,A.sup.1 is --A--, --A.sup.4 --Z.sup.3 --A-- or --A--Z.sup.3 --A.sup.4 --,A is a 1,4-cyclohexylene group which is substituted in the 1- and/or 4-position by unsubstituted or substituted alkyl or fluorinated alkyl with in each case 1-5 C atoms, it also being possible for one or two non-adjacent CH.sub.2 groups to be replaced by one grouping from the group comprising --O--, --CO--, --O--CO--, --CO--O--, --C.tbd.C--, --CH.dbd.CH--, --S--, --SO-- and --SO.sub.2 --, or by F, Cl, Br, CN and/or --CHO, and which can carry 1 or 2 further substituents,A.sup.2, A.sup.3 and A.sup.4 in each case denote 1,4-phenylene which is unsubstituted or substituted by one or two F and/or Cl atoms and/or CH.sub.3 groups and/or CN groups, it also being possible for one or two CH groups to be replaced by N atoms, 1,4-cyclohexylene, it also being possible for one or two non-adjacent CH.sub.2 groups to be replaced by O atoms, 1,4-cyclo-1-enyl, 1,3-dithiane-2,5-diyl, piperidine-1,4-diyl, 1,4-bicyclo(2,2,2)-octylene, unsubstituted or CN-substituted decahydronaphthalene-2,6-diyl or 1,2,3,4-tetrahydronaphthalene-2,6-diyl or --A--,Z.sup.1, Z.sup.2 and Z.sup.3 each are --CO--O--, --O--CO--, --OCH.sub.2 --, --CH.sub.2 O--, --CH.sub.2 CH.sub.2 --, substituted ethylene or a single bond,R.sup.3 is H, an unsubstituted or substituted 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 a grouping from the group comprising --O--, --CO--, --O--CO--, --CO--O--, --C.tbd.C--, --CH.dbd.CH--, --S--, --SO-- and --SO.sub.2 --, F, Cl, Br or CN andp is 1 or 2,and, if p=2, the groups A.sup.3 can be identical or different, and the acid addition salts of the basic compounds of this type, are suitable for use as components of liquid crystal dielectrics.
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公开(公告)号:US4882082A
公开(公告)日:1989-11-21
申请号:US172424
申请日:1988-03-23
申请人: Rudolf Eidenschink , Joachim Krause , Reinhard Hittich , Eike Poetsch , Bernhard Scheuble , Georg Weber , Ludwig Pohl
发明人: Rudolf Eidenschink , Joachim Krause , Reinhard Hittich , Eike Poetsch , Bernhard Scheuble , Georg Weber , Ludwig Pohl
IPC分类号: C07D239/26 , C07D239/28 , C07D239/30 , C07D239/34 , C07D239/54 , C09K19/34 , C09K19/46 , G02F1/13
CPC分类号: C07D239/26 , C07D239/34 , C09K19/3441
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。
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公开(公告)号:US4755323A
公开(公告)日:1988-07-05
申请号:US839293
申请日:1986-03-13
申请人: Rudolf Eidenschink , Georg Weber
发明人: Rudolf Eidenschink , Georg Weber
IPC分类号: C07D319/00 , C07D319/12 , C07D405/04 , C07D405/06 , C07D405/12 , C09K19/34 , C07D405/00 , C07D409/00 , C07D411/00 , G02F1/13
CPC分类号: C09K19/3402 , C07D319/12 , C09K2019/3422
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。
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公开(公告)号:US4702562A
公开(公告)日:1987-10-27
申请号:US692074
申请日:1985-01-17
CPC分类号: C09K19/42
摘要: Nematic liquid crystal phases containing at least one liquid-crystalline compound, which exhibits at least one discotic phase, are suitable for electro-optic display elements with high multiplexing rates.
摘要翻译: 含有至少一种具有至少一个盘状相的液晶化合物的向列液晶相适用于具有高复用率的电光显示元件。
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公开(公告)号:US4620938A
公开(公告)日:1986-11-04
申请号:US720246
申请日:1985-04-05
申请人: Michael Romer , Joachim Krause , Rudolf Eidenschink , Georg Weber
发明人: Michael Romer , Joachim Krause , Rudolf Eidenschink , Georg Weber
IPC分类号: C07C69/94 , C07C1/00 , C07C13/28 , C07C17/00 , C07C25/18 , C07C27/00 , C07C39/17 , C07C41/00 , C07C43/21 , C07C45/46 , C07C51/00 , C07C63/49 , C07C67/00 , C07C69/017 , C07C69/02 , C07C69/157 , C07C69/75 , C07C69/76 , C07C69/773 , C07C69/92 , C07C253/00 , C07C255/49 , C07C255/50 , C07C255/55 , C07C255/57 , C09K3/30 , C09K19/30 , C09K19/42 , G02F1/13 , C07C69/96 , C07C121/64 , C07C121/75 , C09K3/34
CPC分类号: C07C255/00 , C07C13/28 , C07C25/18 , C07C39/17 , C07C43/21 , C07C45/46 , C09K19/3003
摘要: New hydroterphenyls of formula IR.sup.1 --Cy--Cy--Ph--R.sup.2 Iwherein R.sup.1 is alkyl; R.sup.2 is H, F, Cl, Br, I, OH, CN, alkyl, --O-alkyl, --COOR.sup.3 or --O--CO--R.sup.3 ; R.sup.3 is H, alkyl, --Cy-alkyl, --Ph-alkyl, --Ph--O-alkyl, --Ph--CN or --Ph--F; Cy is 1,4-cyclohexylene; and Ph is 1,4-phenylene; can be used as dielectrics for electrooptical display elements.
摘要翻译: 式I的新的氢化苯基R1-Cy-Cy-Ph-R2I,其中R1是烷基; R2是H,F,Cl,Br,I,OH,CN,烷基,-O-烷基,-COOR3或-O-CO-R3; R3是H,烷基,-Cy-烷基,-h-烷基,-Ph-O-烷基,-Ph-CN或-Ph-F; Cy是1,4-亚环己基; Ph为1,4-亚苯基; 可用作电光显示元件的电介质。
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公开(公告)号:US4478740A
公开(公告)日:1984-10-23
申请号:US467990
申请日:1983-02-18
申请人: Rudolf Eidenschink , Jurgen Eichler , Georg Weber
发明人: Rudolf Eidenschink , Jurgen Eichler , Georg Weber
IPC分类号: C07C67/00 , C07C253/00 , C07C255/50 , C07C255/51 , C07C255/53 , C09K19/00 , C09K19/12 , C09K19/30 , C09K19/32 , C09K19/44 , C09K19/46 , G02F1/13 , C09K3/34 , C07C121/60
CPC分类号: C07C255/00 , C09K19/12 , C09K19/3003 , C09K19/321
摘要: New benzonitriles of formula I ##STR1## wherein R.sup.1 and R.sup.2 are each alkyl groups of 1-8 C atoms, and one of these radicals can also be alkoxy of 1-8 C atoms, and Q is one or two radicals selected from 1,4-phenylene, 1,4-cyclohexylene and/or 1,4-bicyclo[2.2.2] octylene, are very useful for preparing liquid crystallene dielectrics and electrooptical display elements based thereon.
摘要翻译: 式I的新的苯甲腈,其中R 1和R 2各自为1-8个C原子的烷基,这些基团之一也可以是1-8个C原子的烷氧基,Q是一个或两个选自1个 ,4-亚苯基,1,4-亚环己基和/或1,4-双环[2.2.2]亚辛基对于制备基于此的液晶显示元件和电光显示元件非常有用。
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公开(公告)号:US5288427A
公开(公告)日:1994-02-22
申请号:US815832
申请日:1991-12-24
CPC分类号: C09K19/3402 , C09K19/3001 , C09K19/3098 , C09K19/3491 , C09K2019/3422
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。
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公开(公告)号:US4600528A
公开(公告)日:1986-07-15
申请号:US616441
申请日:1984-06-01
申请人: Rudolf Eidenschink , Georg Weber
发明人: Rudolf Eidenschink , Georg Weber
IPC分类号: C07C35/36 , C07C43/23 , C07C47/347 , C07C49/417 , C07C49/447 , C07C49/513 , C07C49/637 , C07C49/747 , C07C59/62 , C07C59/64 , C07C61/13 , C07C67/00 , C07C253/00 , C07C255/45 , C07C255/47 , C07D295/02 , C07D295/033 , C07D295/096 , C07D319/06 , C09K19/00 , C09K19/32 , C09K19/34 , G02F1/13 , C07C121/00 , C07C121/46
CPC分类号: C09K19/322 , C07C255/00 , C07C35/36 , C07C43/23 , C07C47/347 , C07C49/417 , C07C49/447 , C07C49/513 , C07C49/637 , C07C49/747 , C07C59/62 , C07C59/64 , C07C61/13 , C07D295/033 , C07D295/096 , C07D319/06 , C09K2019/326
摘要: New decalin-carbonitriles of the formula I ##STR1## wherein R.sup.1 is an alkyl group with 1-10 C atoms, it being possible for up to two CH.sub.2 groups to be replaced by O atoms, Z is --CH.sub.2 CH.sub.2 --, --CO--O--, --O--CO--, --O--CH.sub.2 --, --CH.sub.2 O-- or a single bond, A is 1,4-phenylene, 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl, 1,4-bicyclo(2,2,2)octylene, pyrimidine-2,5-diyl or a single bond, and R.sup.2 is an alkyl group with 1 to 10 C atoms, it being possible for up to two CH.sub.2 groups to be replaced by O atoms, or is F, Cl, Br, CN, --O--COR.sup.3 or --COOR.sup.3, or, if at least one of the groups Z and A is not a single bond, can also be H and R.sup.3 is alkyl of 1 to 6 C atoms, and the acid addition salts of basic compounds of this type, are suitable for use as components of liquid crystal dielectrics.
摘要翻译: 式I的新的十氢化萘 - 碳原子,其中R 1是具有1-10个C原子的烷基,可能有两个CH 2基被O原子取代,Z是-CH 2 CH 2 - , - CO- O-,-O-CO-,-O-CH2-,-CH2O-或单键,A是1,4-亚苯基,1,4-亚环己基,1,3-二恶烷-2,5-二基,1 ,4-二环(2,2,2)辛烯,嘧啶-2,5-二基或单键,并且R 2是具有1至10个C原子的烷基,可以更换多达两个CH 2基团 或者是F,Cl,Br,CN,-O-COR 3或-COOR 3,或者如果基团Z和A中的至少一个不是单键,也可以是H,R 3是1的烷基 至6个C原子,并且这种碱性化合物的酸加成盐适合用作液晶电介质的组分。
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