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公开(公告)号:US5230827A
公开(公告)日:1993-07-27
申请号:US359673
申请日:1989-05-12
IPC分类号: C07C67/08 , C07C69/76 , C07C69/773 , C07C69/92 , C09K19/20 , C09K19/30 , C09K19/34 , C09K19/46
CPC分类号: C09K19/2021 , C09K19/2007 , C09K19/3068 , C09K19/3444 , C09K19/3458
摘要: Derivatives of 2,3-Difluorobenzoic acid compounds of the formula I ##STR1## in which R.sup.1 and R.sup.2, independently of one another, are each an alkyl group having 1 to 15 C atoms, in which, in addition, one or two non-adjacent CH.sub.2 groups may be replaced by --O--, --CO--, --CH.dbd.CH-- and/or --C.tbd.C--, andA.sup.1 and A.sup.2, independently of one another, are each 1,4-phenylene which is unsubstituted or substituted by one or two fluorine atoms, and in which, in addition, one or two CH groups may be replaced by N, or are trans1,4-cyclohexylene, or one of the two A.sup.1 and A.sup.2 groups is alternatively a single bond,are suitable as components of liquid-crystalline phases.
摘要翻译: PCT No.PCT / EP89 / 00183 Sec。 371日期1989年5月12日 102(e)日期1989年5月12日PCT提交1989年2月27日PCT公布。 WO89 / 08688 PCT公开 日期:1989年9月21日。式I的2,3-二氟苯甲酸衍生物,其中R 1和R 2彼此独立地为具有1至15个C原子的烷基, 此外,一个或两个不相邻的CH 2基团可以被-O - , - CO - , - CH = CH-和/或-C3B)C-代替,并且A 1和A 2彼此独立地为1 未被取代或被一个或两个氟原子取代的4-亚苯基,其中另外一个或两个CH基团可以被N取代,或者是反式1,4-亚环己基,或两个A1和A2之一 组可选地是单键,适合作为液晶相的组分。
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公开(公告)号:US5211878A
公开(公告)日:1993-05-18
申请号:US700955
申请日:1991-05-14
IPC分类号: C07C255/50 , C07C255/54 , C09K19/12 , C09K19/30
CPC分类号: C09K19/3001 , C07C255/50 , C07C255/54 , C09K19/12 , C07C2101/14
摘要: Derivatives of 2,3-difluorobenzonitrile of the formula I ##STR1## are useful components of liquid crystalline phases.
摘要翻译: 式I的2,3-二氟苄腈的衍生物是液晶相的有用组分。
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公开(公告)号:US5198149A
公开(公告)日:1993-03-30
申请号:US362469
申请日:1989-05-15
申请人: Volker Reiffenrath , Joachim Krause , Andreas Wachtler , Thomas Geelhaar , David Coates , Ian Sage , Simon Greenfield
发明人: Volker Reiffenrath , Joachim Krause , Andreas Wachtler , Thomas Geelhaar , David Coates , Ian Sage , Simon Greenfield
CPC分类号: C09K19/126 , C09K19/12 , C09K19/46
摘要: Chiral, tilted, smectic liquid-crystal phases containing at least two liquid-crystal components and at least one chiral doping agent, at least one liquid-crystal component being a compound having the structural unit 2,3-difluoro-1,4-phenylene, are distinguished by a very low viscosity and advantageous switching times.
摘要翻译: PCT No.PCT / EP89 / 00177 Sec。 371日期:1989年5月15日 102(e)日期1989年5月15日PCT提交1989年2月27日PCT公布。 出版物WO89 / 08690 日期:1989年9月21日。包含至少两种液晶组分和至少一种手性掺杂剂的手性倾斜的近晶相液晶相,至少一种液晶组分是具有结构单元2,3- 通过非常低的粘度和有利的开关时间来区分二氟-1,4-亚苯基。
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公开(公告)号:US5209866A
公开(公告)日:1993-05-11
申请号:US363904
申请日:1989-05-15
IPC分类号: G02F1/13 , C07D213/30 , C07D213/65 , C07D239/26 , C07D239/34 , C07D241/12 , C07D285/12 , C09K19/34
CPC分类号: C07D213/30 , C07D213/65 , C07D239/26 , C07D239/34 , C07D285/12 , C09K19/3444 , C09K19/3458 , C09K19/3497
摘要: Heterocyclic 1,2-difluorobenzene derivatives of the formula I ##STR1## in which R.sup.1 and R.sup.2, in each case independently of one another, are an alkyl groups (sic) having 1-15 C atoms in which, in addition, one or more CH.sub.2 groups may be replaced by a divalent radical selected from the group comprising --O--, --S--, --CO--, --O--CO--, --CO--O--, --CH.dbd.CH-- and --C.tbd.C--, where two heteroatoms are not linked directly to one another,A.sup.1 and A.sup.2, in each case independently of one another, are a 1,4-phenylene group which is unsubstituted or monosubstituted or polysubstituted by fluorine, and in which, in addition, one or two CH groups may be replaced by N, or are a 1,3,4-thiadiazole-2,5-diyl group or a trans-1,4-cyclohexylene group,m and n are each 0 or 2,o is 0 or 1, andp is 0, 1 or 2,where (o+p) is 1, 2 or 3 and, in the case where p=2, the A.sup.2 groups and n may be identical or different with the proviso that at least one of the groups A.sup.1 and A.sup.2 is a 1,3,4-thiadiazole-2,5-diyl group or an unsubstituted or substituted 1,4-phenylene group in which one or two CH groups have been replaced by N,are suitable as components of liquid-crystalline phases.
摘要翻译: 其中R 1和R 2各自独立地为具有1-15个C原子的烷基(sic),其中另外还有一个或多个 CH2基团可以被选自-O - , - S - , - CO-,-O-CO-,-CO-O-,-CH = CH-和-CB 3 -C 其中两个杂原子彼此不直接连接,A1和A2在每种情况下彼此独立地是未被取代的或被氟单取代或多取代的1,4-亚苯基,并且其中,另外还有一个或 两个CH基团可以被N取代,或者是1,3,4-噻二唑-2,5-二基或反-1,4-亚环己基,m和n各自为0或2,o为0或 1,p为0,1或2,其中(o + p)为1,2或3,并且在p = 2的情况下,A2基团和n可以相同或不同,条件是至少一个 基团A1和A2是1,3,4-噻二唑-2,5-二基或未取代的或 其中一个或两个CH基团被N取代的取代的1,4-亚苯基适合作为液晶相的组分。
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公开(公告)号:US4897216A
公开(公告)日:1990-01-30
申请号:US321046
申请日:1989-03-09
CPC分类号: C09K19/2007 , C09K19/3068
摘要: 2,3-Difluorophenol derivatives of the formula ##STR1## wherein R.sup.1 and R.sup.2, in each case independently of one another, are an alkyl group having 1 to 15 C atoms in which, in addition, one or two nonadjacent CH.sub.2 groups may be replaced by --O--, --CO--, --CH.dbd.CH-- and/or --C.tbd.C--;A is 1,4-phenylene which is unsubstituted or substituted by one or two fluorines, or is trans-1,4-cyclohexylene or a single bond; andL.sup.1 and L.sup.2, in each case independently of one another, are H or F,are suitable as components of liquid-crystalline media.
摘要翻译: 其中R 1和R 2在每种情况下彼此独立地是具有1至15个C原子的烷基,其中另外还可以被一个或两个不相邻的CH 2基团所取代的2,3-二氟苯酚衍生物 由-O - , - CO - , - CH = CH-和/或-C A是未取代的或被一个或两个氟取代的1,4-亚苯基,或是反式-1,4-亚环己基或单键; 并且L1和L2在每种情况下彼此独立地是H或F,适合作为液晶介质的组分。
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公开(公告)号:US06710198B2
公开(公告)日:2004-03-23
申请号:US09924591
申请日:2001-08-09
IPC分类号: C07C30300
CPC分类号: C07F9/5072 , C07C309/65 , C07F9/5068
摘要: Described are bis(perfluoro-n-alkane-sulfonate) compounds, methods for preparing these compounds and use of these compounds, for example as starting materials for the synthesis of chiral and phosphine ligands for transition metal catalysts.
摘要翻译: 描述了双(全氟正烷烃磺酸盐)化合物,制备这些化合物的方法和这些化合物的用途,例如作为用于合成过渡金属催化剂的手性和膦配体的起始原料。
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公开(公告)号:US6146720A
公开(公告)日:2000-11-14
申请号:US412566
申请日:1999-10-05
申请人: Axel Pausch , Eike Poetsch , Kazuaki Tarumi , Anja Huth , Andreas Wachtler , Andreas Beyer , Brigitte Schuler , Volker Reiffenrath , Matthias Bremer , Michael Kompter
发明人: Axel Pausch , Eike Poetsch , Kazuaki Tarumi , Anja Huth , Andreas Wachtler , Andreas Beyer , Brigitte Schuler , Volker Reiffenrath , Matthias Bremer , Michael Kompter
CPC分类号: C09K19/0403 , C09K19/3001 , C09K19/42 , C09K19/46 , C09K2019/0407 , C09K2019/0414 , Y10T428/10
摘要: The invention relates to an electro-optical liquid-crystal display having a realignment layer for realigning the liquid crystals whose field has a significant component parallel to the liquid-crystal layer and which contains a liquid-crystalline medium of positive dielectric anisotropy, where the medium comprises at least one mesogenic compound containing a 3,4,5-trifluorophenyl group and/or comprises at least one mesogenic compound [lacuna] a structural unit of the formula 2 ##STR1## in which A is O or CH,Z is --COO-- or a single bondL.sup.1 is F or, if A is O, is alternatively H, andL.sup.2 is H or F.
摘要翻译: 本发明涉及一种电光液晶显示器,其具有重新排列液晶的重新对准层,该液晶具有平行于液晶层的显着分量,并且含有正介电各向异性的液晶介质,其中介质 包含至少一种含有3,4,5-三氟苯基的介晶化合物和/或包含至少一种介晶化合物[lacuna]式2的结构单元,其中A为O或CH,Z为-COO-或 单键L1为F,或者如果A为O,则为H,L2为H或F.
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公开(公告)号:US5993691A
公开(公告)日:1999-11-30
申请号:US875745
申请日:1997-08-04
申请人: Axel Pausch , Eike Poetsch , Kazuaki Tarumi , Anja Huth , Andreas Wachtler , Andreas Beyer , Brigitte Schuler , Volker Reiffenrath , Matthias Bremer , Michael Kompter
发明人: Axel Pausch , Eike Poetsch , Kazuaki Tarumi , Anja Huth , Andreas Wachtler , Andreas Beyer , Brigitte Schuler , Volker Reiffenrath , Matthias Bremer , Michael Kompter
IPC分类号: G02F1/13 , C09K19/04 , C09K19/30 , C09K19/34 , C09K19/42 , C09K19/46 , C09K19/12 , C09K19/20 , G02F1/1337
CPC分类号: C09K19/3001 , C09K19/0403 , C09K19/42 , C09K19/46 , C09K2019/0407 , C09K2019/0414
摘要: The invention relates to an electro-optical liquid-crystal display having a realignment layer for realigning the liquid crystals whose field has a significant component parallel to the liquid-crystal layer and which contains a liquid-crystalline medium of positive dielectric anisotropy, where the medium comprises at least one mesogenic compound containing a 3,4,5-trifluorophenyl group and/or comprises at least one mesogenic compound [lacuna] a structural unit of the formula 2 ##STR1## in which A is O or CH,z is --COO-- or a single bondL.sup.1 is F or, if A is O, is alternatively H, andL.sup.2 is H or F.
摘要翻译: PCT No.PCT / EP96 / 00239 Sec。 371日期:1997年8月4日 102(e)日期1997年8月4日PCT 1996年1月22日PCT公布。 WO96 / 23851 PCT出版物 日期:1996年8月8日本发明涉及一种电光液晶显示器,其具有用于重新排列具有与液晶层平行的显着分量的液晶的重新对准层,并且包含正电介质的液晶介质 各向异性,其中介质包含至少一种含有3,4,5-三氟苯基的介晶化合物和/或包含至少一种介晶化合物[lacuna]式2的结构单元,其中A是O或CH,z是 -COO-或单键L1为F,或者如果A为O,则为H,L2为H或F.
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59.
公开(公告)号:US5273680A
公开(公告)日:1993-12-28
申请号:US846750
申请日:1992-03-09
申请人: George W. Gray , Michael Hird , David Lacey , Kenneth J. Toyne , Volker Reiffenrath , Andreas Wachtler , Joachim Krause , Ulrich Finkenzeller , Thomas Geelhaar
发明人: George W. Gray , Michael Hird , David Lacey , Kenneth J. Toyne , Volker Reiffenrath , Andreas Wachtler , Joachim Krause , Ulrich Finkenzeller , Thomas Geelhaar
CPC分类号: C09K19/126 , C09K19/12 , C09K19/46 , C09K2019/123
摘要: This invention relates to fluorinated oligophenyls of formula (I), in which a is 0 or 1 and in which the terminal substituents R.sup.1, R.sup.2 and R.sup.3 are each independently an alkyl or alkenyl residue each with up to 15 C atoms, optionally substituted by CN or by at least one halogen atom, and wherein one or more non adjacent CH.sub.2 groups of these residues may be replaced by --O--, --S--, --CO--, --O--CO--, --CO--O--, --O--CO--O-- or --C.tbd.C--, one of the residues R.sup.1 and R.sup.2 may also denote a group of formula (II), any one of the following pairs of lateral substituents are both fluorine: (A, B), (C, D), (D, E), (C, E), (B, C), (D, J), (D, K), (A, C), (C, J), (C', D'), (D', E), (D', A), (C', E), (C', A), (D', J'), (D', K'), (C', J'), (B, G), (A, G), all of the other lateral substituents being hydrogen or fluorine, and to their use as components of liquid crystalline compositions.
摘要翻译: PCT No.PCT / EP88 / 00724 Sec。 371日期:1989年3月8日 102(e)日期1989年3月8日PCT提交1988年8月13日PCT公布。 出版物WO89 / 02425 本发明涉及式(I)的氟化低聚苯基,其中a是0或1,并且其中末端取代基R 1,R 2和R 3各自独立地为烷基或链烯基,每个具有至多15个 C原子,任选地被CN或至少一个卤素原子取代,并且其中这些残基的一个或多个非相邻的CH 2基团可以被-O - , - S - , - CO-,-O-CO-, - CO-O-,-O-CO-O-或-C 3BOND C-,残基R1和R2之一也可以表示式(II)的基团,以下对侧取代基中的任一个均为氟: (A,B),(C,D),(D,E),(C,E),(B,C),(D,J),(D,K),(A,C) ,(C',E),(C',A),(D',J'),(D',E) ',K'),(C',J'),(B,G),(A,G),所有其它横向取代基是氢或氟,并且作为液晶组合物的组分。
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公开(公告)号:US5204019A
公开(公告)日:1993-04-20
申请号:US362470
申请日:1989-05-15
申请人: Volker Reiffenrath , Joachim Krause , Andreas Wachtler , Georg Weber , Ulrich Finkenzeller , David Coates , Ian C. Sage , Simon Greenfield , George W. Gray , Michael Hird , David Lacey , Kenneth J. Toyne
发明人: Volker Reiffenrath , Joachim Krause , Andreas Wachtler , Georg Weber , Ulrich Finkenzeller , David Coates , Ian C. Sage , Simon Greenfield , George W. Gray , Michael Hird , David Lacey , Kenneth J. Toyne
IPC分类号: G02F1/13 , C07C17/26 , C07C25/18 , C07C39/367 , C07C43/225 , C07C69/63 , C07C69/75 , C07C69/753 , C07C69/757 , C07C69/94 , C09K19/12 , C09K19/14 , C09K19/20 , C09K19/30 , C09K19/34 , C09K19/46 , C09K19/54
CPC分类号: C09K19/14 , C09K19/12 , C09K19/126 , C09K19/2007 , C09K19/2021 , C09K19/3001 , C09K19/3441
摘要: 4-Q.sup.1 -4'-Q.sup.2 -2,3-Difluorobiphenyls whereinQ.sup.1 and Q.sup.2 independently of one another are each R or R-A.sup.1 -A.sup.2 -Z in whichR (sic) alkyl having 1-15 C atoms or alkenyl having 3-15 C atoms each of which is unsubstituted or monosubstituted by cyano or at least monosubstituted by fluorine or chlorine, and in which in each case one or two non-adjacent CH.sub.2 groups can also be replaced by --O--, --CO--, --O--CO, --CO--O-- or --O--COO--, (sic) --COO--, --O--CO--, --CH.sub.2 O, --O--CH.sub.2 --, --CH.sub.2 CH.sub.2 -- or a single bond, andA.sup.1 and A.sup.2 independently of one another . . (sic) each 1,4-phenylene which is unsubstituted or substituted by one or two fluorine atoms, and in which one or two CH groups can also be replaced by N, or trans-1,4-cyclohexylene wherein one or two non-adjacent CH.sub.2 groups can also be replaced by --O--, and one of the two groups A.sup.1 and A.sup.2 can also be a single bond,subject to the proviso that Z is --CO--O, --O--CO--, --CH.sub.2 O--, --OCH.sub.2 -- or --CH.sub.2 CH.sub.2 --, if one of the groups Q.sup.1 or Q.sup.2 is alkyl or alkoxy and the other group Q.sup.1 or Q.sup.2 is R-A.sup.1 -A.sup.2 -Z wherein one of the two groups A.sup.1 and A.sup.2 is a single bond, are suitable for use as components of liquid-crystal media.
摘要翻译: PCT No.PCT / EP89 / 00180 Sec。 371日期:1989年5月15日 102(e)日期1989年5月15日PCT提交1989年2月27日PCT公布。 出版物WO89 / 08687 日本9月21日1989.4-Q1-4'-Q2-2,3-二氟联苯,其中Q1和Q2彼此独立地为R或R-A1-A2-Z,其中R(sic)烷基具有1-15个碳原子 具有3-15个碳原子的原子或烯基,其各自为未取代的或被氰基单取代或至少被氟或氯单取代,并且其中在每种情况下一个或两个不相邻的CH 2基团也可以被-O-, -CO - , - O-CO,-CO-O-或-O-COO-,(sic)-COO-,-O-CO-,-CH2O,-O-CH2-,-CH2CH2-或单键 ,A1和A2彼此独立。 。 (sic)未取代或被一个或两个氟原子取代的每个1,4-亚苯基,其中一个或两个CH基团也可以被N或反式-1,4-亚环己基代替,其中一个或两个非 - 相邻的CH2基团也可以被-O-取代,并且两个基团A1和A2之一也可以是单键,条件是Z是-CO-O,-O-CO-,-CH2O-, -OCH 2 - 或-CH 2 CH 2 - ,如果基团Q1或Q2中的一个为烷基或烷氧基,另一个基团Q1或Q2为两个基团A1和A2之一为单键的R-A1-A2-Z, 适合用作液晶介质的组分。
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