WO2004050796A1 - Cyclobutanderivate - Google Patents
Cyclobutanderivate Download PDFInfo
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- WO2004050796A1 WO2004050796A1 PCT/EP2003/012511 EP0312511W WO2004050796A1 WO 2004050796 A1 WO2004050796 A1 WO 2004050796A1 EP 0312511 W EP0312511 W EP 0312511W WO 2004050796 A1 WO2004050796 A1 WO 2004050796A1
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- 0 ***C1CCC(**)CC1 Chemical compound ***C1CCC(**)CC1 0.000 description 7
- KAHZFCWHUOVCPU-UHFFFAOYSA-N CC(CC1)CCC1C1COC(c(cc2F)cc(F)c2F)OC1 Chemical compound CC(CC1)CCC1C1COC(c(cc2F)cc(F)c2F)OC1 KAHZFCWHUOVCPU-UHFFFAOYSA-N 0.000 description 1
- FRQNZNGKCJBXED-UHFFFAOYSA-N Fc(cc(C1CCCCC1)cc1)c1-c(cc1F)cc(F)c1F Chemical compound Fc(cc(C1CCCCC1)cc1)c1-c(cc1F)cc(F)c1F FRQNZNGKCJBXED-UHFFFAOYSA-N 0.000 description 1
- QAMXCXIEVIFVLP-UHFFFAOYSA-N NC(C=C(C=C1N)O)C1=N Chemical compound NC(C=C(C=C1N)O)C1=N QAMXCXIEVIFVLP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
- C09K19/3402—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having oxygen as hetero atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/18—Ethers having an ether-oxygen atom bound to a carbon atom of a ring other than a six-membered aromatic ring
- C07C43/192—Ethers having an ether-oxygen atom bound to a carbon atom of a ring other than a six-membered aromatic ring containing halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/20—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
- C07C43/225—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring containing halogen
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/32—Non-steroidal liquid crystal compounds containing condensed ring systems, i.e. fused, bridged or spiro ring systems
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/32—Non-steroidal liquid crystal compounds containing condensed ring systems, i.e. fused, bridged or spiro ring systems
- C09K2019/327—Non-steroidal liquid crystal compounds containing condensed ring systems, i.e. fused, bridged or spiro ring systems containing a spiro ring system
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
- C09K19/3402—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having oxygen as hetero atom
- C09K2019/3422—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having oxygen as hetero atom the heterocyclic ring being a six-membered ring
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
Definitions
- the present invention relates to cyclobutane derivatives which contain both a CF 2 O bridge as part of their mesogenic backbone and a butane-1,4-diyl group as part of a spiroalkane unit, their use as component (s) in liquid-crystalline media and liquid-crystal and electro-optical display elements which contain these liquid-crystalline media according to the invention.
- cyclobutane derivatives according to the invention can be used as components of liquid-crystalline media, in particular for displays based on the principle of the twisted cell, the guest-host effect, the effect of the deformation of aligned phases DAP or ECB (Electrically controlled birefringence), the IPS effect ( In plane switching) or the effect of dynamic scattering.
- the invention was therefore based on the object of finding new stable liquid-crystalline or mesogenic compounds which are suitable as components of liquid-crystalline media, in particular for TN, STN, IPS and TFT displays.
- Another object of the present invention was to provide liquid crystalline compounds, which have a low rotational viscosity, in liquid crystal mixtures to improve the
- the cyclobutane derivatives according to the invention are particularly liquid crystalline components Media are suitable. With their help, stable, liquid-crystalline media, particularly suitable for TFT or STN displays, can be obtained.
- the physical properties of the cyclobutane derivatives according to the invention can be varied within a wide range by suitable selection of the ring members and / or the terminal substituents. For example, it is possible to obtain cyclobutane derivatives according to the invention with very small values of the optical anisotropy or with low positive to strongly positive values of the dielectric anisotropy.
- cyclobutane derivatives according to the invention are distinguished by high clearing points combined with an unexpectedly low rotational viscosity.
- Liquid crystalline Liquid crystalline. Media with very small values of optical anisotropy are particularly important for reflective and transflective applications, i.e. applications in which the respective LCD experiences no or only supportive backlighting.
- cyclobutane derivatives according to the invention broadly broadens the range of liquid-crystalline substances which are suitable for the production of liquid-crystalline mixtures from various application-technical points of view.
- cyclobutane derivatives according to the invention have a wide range
- these compounds can serve as base materials from which liquid-crystalline media are composed for the most part;
- liquid-crystalline base materials from other classes of compounds can also be added to the cyclobutane derivatives according to the invention, for example in order to influence the dielectric and / or optical anisotropy of such a dielectric and / or to optimize its threshold voltage and / or its viscosity.
- cyclobutane derivatives according to the invention are colorless in the pure state and form liquid-crystalline mesophases in one for the electro-optical Application conveniently located temperature range. They are stable chemically, thermally and against light.
- the present invention thus relates to cyclobutane derivatives of the formula I.
- trans-1, 4-cyclohexylene in which one or more non-adjacent CH 2 groups can also be replaced by -O- and / or -S- and in which one or more H atoms can also be replaced by F,
- Z each independently, identically or differently -O-, -CH 2 O-, -OCH 2 -, -CO-O-, -O-CO-, -CF 2 O-, -OCF 2 -, -CF 2 CF 2 -,
- n independently of one another, identical or different 0, 1 or
- n 1 or 2
- Another object of the present invention is the use of compounds of formula I as component (s) in liquid-crystalline media.
- the present invention also relates to liquid-crystalline media having at least two liquid-crystalline components which contain at least one compound of the formula I.
- the present invention also relates to liquid-crystal display elements, in particular electro-optical display elements, which contain a liquid-crystalline medium according to the invention as a dielectric.
- Reflective and transflective liquid crystal display elements and other liquid crystal displays with a lower level are particularly preferred Birefringence ⁇ n, so-called "low ⁇ n mode displays", such as reflective and transflective TN displays.
- the meaning of the formula I includes all isotopes of the chemical elements bound in the compounds of the formula I.
- the compounds of the formula I are also suitable as chiral dopants and generally for achieving chiral mesophases.
- R 1 , R 2 , A, Z, m, n and o have the meaning given, unless expressly stated otherwise. If the radicals A and Z occur more than once, they can independently assume the same or different meanings.
- R 1 is H or a linear alkyl radical having 1 to 10 carbon atoms are preferred.
- R 2 H a linear alkoxy radical having 1 to 10 carbon atoms, -F, -Cl, -CF 3 , -OCF 3 , -OCHF 2 , -CN, -NCS or -SF 5 , particularly preferably -OC 2 H 5 , -F, -CF 3 , -OCF 3 or -CN.
- Preferred compounds of the formula I are compounds of the sub-formula la
- Cyc in the following means a 1,4-cyclohexylene radical, Che a 1,4-cyclohexenylene radical, Dio a 1,3-dioxane-2,5-diyl radical, Dit a 1,3-dithiane-2,5- diyl radical, Phe a 1,4-phenylene radical, Pyd a pyridine-2,5-diyl radical, Pyr a pyrimidine-2,5-diyl radical and Bco a bicyclo (2,2,2) octylene radical, Dec a decahydronaphthalene-2, 6-diyl radical, where Cyc and / or Phe can be unsubstituted or substituted one or more times by CH 3 , Cl, F or CN.
- A is preferably Phe, Cyc, Che, Pyd, Pyr or Dio, and particularly preferably Phe or Cyc.
- the cyclohexene-1,4-diyl group preferably has the following structures:
- Particularly preferred compounds of the formula Ia comprise the following formulas:
- Particularly preferred compounds of the formula Ib comprise the following formulas:
- R 1 , R 2 , A and Z have the meanings given above and L 1 , L 2 , L 3 , L 4 , L 5 and L 6 independently of one another, identically or differently, denote H or F.
- R 1 is H or a linear alkyl or alkoxy radical having 1 to 10 C atoms or alkenyl or alkenyloxy having 2 to 10 C atoms.
- R 2 is -F, -CF 3 , -OCF 3 , -CN, -NCS, -SF 5 or -OC 2 H 5 .
- R 2 is -F, -CF 3 , -OCF 3) -CN, -NCS, or -SF 5 , L 1 and L 2 independently of one another, identical or differently mean F or H and L 3 and L 4 mean H.
- Compounds of the formulas Ia to lap and Ibi to Ibp, in which R 2 is -F, -CF 3 , -OCF 3> -CN, -NCS, or -SF 5 , L 1 , L 2 , L 5 and L are particularly preferred 6 independently of one another, identical or different, denote F or H and L 3 and L 4 denote H.
- laj, Ibb and Ibj, Z preferably denotes -CH 2 CH 2 -, -CF 2 CF 2 -, -CF 2 O- or a single bond, particularly preferably a single bond.
- R 1 and / or R 2 in the formulas above and below is an alkyl radical, this can be straight-chain or branched. It is particularly preferably straight-chain, has 2, 3, 4, 5, 6 or 7 carbon atoms and accordingly means ethyl, propyl, butyl, pentyl, hexyl or heptyl, furthermore methyl, octyl, nonyl, decyl, undecyl, dodecyl, tridecyl , Tetradecyl or pentadecyl.
- R 1 and / or R 2 is an alkyl radical in which a CH 2 group has been replaced by -O-, this can be straight-chain or branched. It is preferably straight-chain and has 1 to 10 carbon atoms.
- the first CH 2 group of this alkyl radical is particularly preferably replaced by -O-, so that the radical R 1 and / or R 2 is alkoxy and means in particular methoxy, ethoxy, propoxy, butoxy, pentyloxy, hexyloxy, heptyloxy, octyloxy or nonyloxy.
- Preferred alkenyl groups are C 2 -C 7 -1 E-alkenyl, C 4 -C 7 -3E-alkenyl,
- alkenyl groups are vinyl, 1 E-propenyl, 1 E-butenyl, 1 E-pentenyl, 1 E-hexenyl, 1 E-heptenyl, 3-butenyl,
- Groups with up to 5 carbon atoms are particularly preferred.
- R 1 and / or R 2 is an alkyl radical in which one CH 2 group has been replaced by -O- and one has been replaced by -CO-, these are preferably adjacent. Thus, they contain an acyloxy group -CO-O- or an oxycarbonyl group -O-CO-. These are particularly preferably straight-chain and have 2 to 6 carbon atoms.
- it particularly preferably means acryloyloxymethyl, 2-acryloyloxyethyl, 3-acryloyloxypropyl, 4-acryloyloxybutyl, 5-acryloyloxypentyl, 6-acryloyloxyhexyl, 7-acryloyloxyheptyl, 8-acryloyloxyoctyl, 9-acryloyloxynonyl, 10-acryloyloxy-methoxyl-methoxyl-oxyl-methoxy-oxy-oxyl-methoxy-oxy-oxyl-methoxy-oxy-oxyl-methoxy-oxyl-methoxy
- R 1 and / or R 2 is a monosubstituted by CN or CF 3 alkyl or alkenyl radical, this radical is preferably straight-chain and the substitution by CN or CF 3 in ⁇ -position.
- R 1 and / or R 2 is an alkyl radical which is at least monosubstituted by halogen, this radical is preferably straight-chain.
- Halogen is preferably F or Cl.
- halogen is preferably F.
- the resulting residues also include perfluorinated residues.
- the fluorine or chlorine substituent can be in any position, but preferably in the ⁇ position.
- Compounds of the formula I with branched wing groups R 1 and / or R 2 can occasionally be of importance because of their better solubility in the customary liquid-crystalline base materials, but in particular as chiral dopants if they are optically active. Smectic compounds of this type are suitable as components for ferroelectric
- Branched groups of this type usually contain no more than one chain branch.
- Formula I includes both the racemates of these compounds and the optical antipodes and mixtures thereof.
- the compounds of the formula I are prepared by methods known per se, as described in the literature (for example in the standard works such as Houben-Weyl, Methods of Organic Chemistry, Georg-Thieme-Verlag, Stuttgart) and under reaction conditions which are suitable for the implementations mentioned are known and suitable. Use can be made of variants which are known per se and are not mentioned here in detail.
- the starting materials are either known or can be prepared analogously to known compounds. If appropriate, the starting materials can also be formed in situ in such a way that they are not isolated from the reaction mixture, but instead are immediately converted further into the compounds of the formula I.
- the liquid-crystalline media according to the invention preferably contain 2 to 40, particularly preferably 4 to 30, components as further constituents. In particular, these media contain 7 to 25 components in addition to one or more compounds according to the invention.
- These further constituents are preferably selected from nematic or nematogenic (monotropic or isotropic) substances, in particular substances from the classes of azoxybenzenes, benzylidene anilines, biphenyls, terphenyls, phenyl- or cyclohexylbenzoates, cyclohexanecarboxylic acid-phenyl- or cyclohexyl esters, phenyl- or cyclohexyl esters cyclohexylbenzoic acid, phenyl or cyclohexyl esters of cyclohexylcyclohexanecarboxylic acid, cyclohexylphenyl of benzoic acid, of cycloo
- L and E which may be the same or different, each independently represent a bivalent
- One of the radicals L and E is preferably Cyc, Phe or Pyr.
- E is preferably Cyc, Phe or Phe-Cyc.
- the media according to the invention preferably contain one or more components selected from the compounds of the formulas 1, 2, 3, 4 and 5, in which L and E are selected from the group Cyc, Phe and Pyr and at the same time one or more components selected from the Compounds of the formulas 1, 2, 3, 4 and 5, wherein one of the radicals L and E is selected from the group Cyc, Phe and Pyr and the other radical is selected from the group
- R 'and / or R each independently represent alkyl, alkenyl, alkoxy, alkoxyalkyl, alkenyloxy or alkanoyloxy with up to 8 carbon atoms, -F, -Cl, -CN, -NCS, - (O), CH 3 .
- Group B In another smaller subgroup called Group B.
- R "has this meaning are given the sub-formulas 1 b , 2b, 3b, 4b and 5b are particularly preferred those compounds of the sub-formulas 1b, 2b, 3b, 4b and 5b in which R "has the meaning -F, -Cl, -NCS, -CF 3 , -OCHF 2 or -OCF 3 has.
- R ' has the meaning given for the compounds of sub-formulas 1a to 5a and is preferably alkyl, alkenyl, alkoxy or alkoxyalkyl.
- R "means -CN In a further smaller subgroup of the compounds of the formulas 1, 2, 3, 4 and 5, R "means -CN.
- This subgroup is referred to below as group C and the compounds of this subgroup are correspondingly represented by subformulas 1c, 2c, 3c, 4c and 5c
- R ' has the meaning given for the compounds of sub-formulas 1a to 5a and is preferably alkyl, alkoxy or alkenyl.
- the media according to the invention preferably contain one or more compounds which are selected from groups A, B and / or C.
- the mass fractions of the compounds from these groups in the media according to the invention are preferably: Group A: 0 to 90%, preferably 20 to 90%, particularly preferably 30 to 90%;
- Group B 0 to 80%, preferably 10 to 80%, particularly preferably 10 to 65%;
- Group C 0 to 80%, preferably 5 to 80%, particularly preferably 5 to 50%;
- the sum of the mass fractions of the compounds from groups A, B and / or C contained in the respective media according to the invention is preferably 5 to 90% and particularly preferably 10 to 90%.
- the media according to the invention preferably contain 1 to 40%, particularly preferably 5 to 30% of the compounds of the formula I according to the invention. Also preferred are media containing more than 40%, particularly preferably 45 to 90% of the compounds of the formula I according to the invention.
- the media contain preferably three, four or five compounds according to the invention.
- the liquid crystal mixtures according to the invention are produced in a manner which is conventional per se.
- the desired amount of the components used in a smaller amount is dissolved in the components which make up the main constituent, preferably in an increased amount
- Premixes e.g. B. Homolog mixtures or using so-called “multi-bottle” systems.
- the dielectrics can also contain further additives known to the person skilled in the art and described in the literature. For example, 0 to 15%, preferably 0 to 10%, pleochroic dyes and / or chiral dopants are added. The individual added compounds are used in concentrations of 0.01 to 6%, preferably 0.1 to 3%. However, the concentration data for the other constituents of the liquid-crystal mixtures, ie the liquid-crystalline or mesogenic compounds, are given without taking into account the concentration of these additives.
- FC n H 2n + ⁇ CN HF nN.FF C n H 2n + ⁇ CN FF nF C n H 2n + ⁇ FHH nOF OC n H 2n + 1 FHH nF.FC n H 2n + ⁇ FHF nmF C n H 2n + ⁇ C m H 2m + ⁇ HF nCF 3 C n H 2n + ⁇ CF 3 HH nOCF 3 C n H 2n + ⁇ OCF 3 HH n-Vm C n H 2n + ⁇ -CH CH-C, mH 2m + ⁇ HH Preferred mixture components can be found in Tables A and B.
- Table C lists possible dopants which are preferably added to the mixtures according to the invention.
- ⁇ n and ⁇ values of the compounds according to the invention were obtained by extrapolation from liquid-crystalline mixtures which consisted of 10% of the respective compound of the invention and 90% of the commercially available liquid crystal ZLI 4792 (Merck, Darmstadt).
- Custom work-up means: water is optionally added, extracted with methylene chloride, diethyl ether or toluene, separated, the organic phase is dried, evaporated and the product is purified by distillation under reduced pressure or crystallization and / or chromatography.
- Reagents and reaction conditions a) trichloroacetyl chloride, Zn, ether; b) Zn, HOAc; c) (Ph 3 P) CH + Br " , KOtBu, THF; 2-trimethylsilyl-1,3-dithiane, nBuLi, THF, -78 ° C - RT; e) 1. 3,4,5-trifluorophenol, Et 3 N, CH 2 CI 2l -78 ° C; 2nd Et 3 N-3HF, DBH, 78 ° C ⁇ RT. 1st stage 2- (6- ⁇ 4-n-propylcyclohexyl ⁇ spiro [3.3] hept-2-ylidene) [1, 3] dithian 6
- the mixture is left to stir at room temperature overnight, hydrolyzed with saturated sodium bicarbonate solution and extracted with dichloromethane. The combined organic phases are washed with water and dried over sodium sulfate. The solvent is removed in vacuo and the crude product is recrystallized from n-heptane.
- the dithioacetal 6 is obtained as a colorless leaflet.
- Precursors receive the following compounds according to the invention:
- Example 505 Analogously to Example 505, the following compounds according to the invention are obtained using the corresponding precursors: Examples 506-630
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003288021A AU2003288021A1 (en) | 2002-12-02 | 2003-11-05 | Cyclobutane derivatives |
EP03779874A EP1567613B1 (de) | 2002-12-02 | 2003-11-05 | Cyclobutanderivate |
US10/537,026 US7270856B2 (en) | 2002-12-02 | 2003-11-05 | Cyclobutane derivatives |
DE50306771T DE50306771D1 (de) | 2002-12-02 | 2003-11-05 | Cyclobutanderivate |
JP2004556121A JP2006508154A (ja) | 2002-12-02 | 2003-11-05 | シクロブタン誘導体 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10256172 | 2002-12-02 | ||
DE10256172.9 | 2002-12-02 |
Publications (1)
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WO2004050796A1 true WO2004050796A1 (de) | 2004-06-17 |
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ID=32318890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2003/012511 WO2004050796A1 (de) | 2002-12-02 | 2003-11-05 | Cyclobutanderivate |
Country Status (10)
Country | Link |
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US (1) | US7270856B2 (de) |
EP (1) | EP1567613B1 (de) |
JP (1) | JP2006508154A (de) |
KR (1) | KR20050088092A (de) |
CN (1) | CN100400485C (de) |
AT (1) | ATE356182T1 (de) |
AU (1) | AU2003288021A1 (de) |
DE (2) | DE50306771D1 (de) |
TW (1) | TW200418778A (de) |
WO (1) | WO2004050796A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007033732A1 (de) * | 2005-09-19 | 2007-03-29 | Merck Patent Gmbh | Cyclobutan- und spiro[3.3]heptanverbindungen |
WO2007045382A1 (de) * | 2005-10-19 | 2007-04-26 | Merck Patent Gmbh | Spiro [3.3] heptyl-dioxanderivate und ihre verwendung in flüssigkristallinen medien |
EP1842894A2 (de) | 2006-04-07 | 2007-10-10 | Merck Patent GmbH | Flüssigkristallines Medium und Flüssigkristallanzeige |
US7482044B2 (en) | 2006-04-07 | 2009-01-27 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Liquid crystalline medium and liquid crystal display |
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CN103254906B (zh) * | 2013-05-10 | 2015-07-01 | 石家庄诚志永华显示材料有限公司 | 一种含有二氟甲氧基醚类化合物的液晶组合物 |
CN103275735B (zh) * | 2013-05-13 | 2015-04-08 | 石家庄诚志永华显示材料有限公司 | 一种介电正性液晶组合物 |
CN103242855B (zh) * | 2013-05-15 | 2015-06-17 | 石家庄诚志永华显示材料有限公司 | 含有环丁基及二氟亚甲氧基的液晶化合物 |
CN103305229B (zh) * | 2013-06-06 | 2015-09-02 | 石家庄诚志永华显示材料有限公司 | 一种环丁苯二氟甲氧类快速响应液晶组合物 |
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CN103305231B (zh) * | 2013-06-13 | 2015-04-08 | 石家庄诚志永华显示材料有限公司 | 一种含有二氟甲氧桥类极性单体化合物的液晶组合物 |
CN103664539B (zh) * | 2013-11-28 | 2016-03-16 | 石家庄诚志永华显示材料有限公司 | 螺[3,5]壬烷衍生物及其制备方法与应用 |
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JP4964377B2 (ja) | 2000-12-23 | 2012-06-27 | メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツング | 液晶化合物 |
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2003
- 2003-11-05 AT AT03779874T patent/ATE356182T1/de not_active IP Right Cessation
- 2003-11-05 AU AU2003288021A patent/AU2003288021A1/en not_active Abandoned
- 2003-11-05 KR KR1020057009883A patent/KR20050088092A/ko not_active Application Discontinuation
- 2003-11-05 EP EP03779874A patent/EP1567613B1/de not_active Expired - Lifetime
- 2003-11-05 DE DE50306771T patent/DE50306771D1/de not_active Expired - Lifetime
- 2003-11-05 US US10/537,026 patent/US7270856B2/en not_active Expired - Fee Related
- 2003-11-05 WO PCT/EP2003/012511 patent/WO2004050796A1/de active IP Right Grant
- 2003-11-05 CN CNB2003801048188A patent/CN100400485C/zh not_active Expired - Fee Related
- 2003-11-05 JP JP2004556121A patent/JP2006508154A/ja active Pending
- 2003-11-21 DE DE10354550A patent/DE10354550A1/de not_active Withdrawn
- 2003-12-01 TW TW092133690A patent/TW200418778A/zh unknown
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US5445764A (en) * | 1992-11-21 | 1995-08-29 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Cyclobutane benzene derivatives |
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JPH1180049A (ja) * | 1997-09-01 | 1999-03-23 | Chisso Corp | 誘電率異方性値が負の液晶性化合物、この液晶性化合物を含有する液晶組成物、およびこの液晶組成物を用いた液晶表示素子 |
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US6146719A (en) * | 1998-09-29 | 2000-11-14 | Merck Patent Gesellschatf Mit Beschrankter Haftung | Liquid-crystalline compounds, and liquid-crystalline medium |
US20020030180A1 (en) * | 2000-05-08 | 2002-03-14 | Kazuaki Tarumi | Liquid-crystalline medium |
WO2002048073A1 (de) * | 2000-12-12 | 2002-06-20 | Merck Patent Gmbh | Verfahren zur herstellung von verbindungen mit einer cf2o-brücke |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007033732A1 (de) * | 2005-09-19 | 2007-03-29 | Merck Patent Gmbh | Cyclobutan- und spiro[3.3]heptanverbindungen |
JP2009508823A (ja) * | 2005-09-19 | 2009-03-05 | メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフトング | シクロブタンおよびスピロ[3.3]ヘプタン化合物類 |
US7744968B2 (en) | 2005-09-19 | 2010-06-29 | Merck Patent Gmbh | Cyclobutane and spiro[3.3]heptane compounds |
KR101359093B1 (ko) * | 2005-09-19 | 2014-02-05 | 메르크 파텐트 게엠베하 | 시클로부테인 및 스피로[3.3]헵테인 화합물 |
WO2007045382A1 (de) * | 2005-10-19 | 2007-04-26 | Merck Patent Gmbh | Spiro [3.3] heptyl-dioxanderivate und ihre verwendung in flüssigkristallinen medien |
JP2009515825A (ja) * | 2005-10-19 | 2009-04-16 | メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフトング | スピロ[3.3]ヘプチル−ジオキサン誘導体類および液晶媒体中におけるそれらの使用 |
US7691456B2 (en) | 2005-10-19 | 2010-04-06 | Merck Patent Gesellschaft | Spiro[3.3] heptyl-dioxan derivatives and their use in liquid crystal media |
EP1842894A2 (de) | 2006-04-07 | 2007-10-10 | Merck Patent GmbH | Flüssigkristallines Medium und Flüssigkristallanzeige |
EP1842894A3 (de) * | 2006-04-07 | 2008-07-30 | Merck Patent GmbH | Flüssigkristallines Medium und Flüssigkristallanzeige |
US7482044B2 (en) | 2006-04-07 | 2009-01-27 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Liquid crystalline medium and liquid crystal display |
Also Published As
Publication number | Publication date |
---|---|
ATE356182T1 (de) | 2007-03-15 |
TW200418778A (en) | 2004-10-01 |
JP2006508154A (ja) | 2006-03-09 |
DE50306771D1 (de) | 2007-04-19 |
AU2003288021A1 (en) | 2004-06-23 |
DE10354550A1 (de) | 2004-06-17 |
CN100400485C (zh) | 2008-07-09 |
CN1720314A (zh) | 2006-01-11 |
KR20050088092A (ko) | 2005-09-01 |
US7270856B2 (en) | 2007-09-18 |
EP1567613A1 (de) | 2005-08-31 |
EP1567613B1 (de) | 2007-03-07 |
US20060022168A1 (en) | 2006-02-02 |
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