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Class 570/127 - Benzene ring containing


Subclass of Class 570 - Organic compounds -- part of the class 532-570 series
Definition: Compound which contains at least one benzene ring.
No. of patents: 238
Last issue date: 05/10/2011


1            
NumberTitleIssue Date
7939697Fluorinating agent and method for producing fluorine-containing compound using the same
A method for producing a fluorine-containing organic compound represented by the formula (7): R—Fm  (7) wherein R represents a substituted or unsubstituted saturated hydrocarbon group, or a substituted or unsubstitu...
05/10/2011
7612243Cyclopenta[b]naphthalene derivatives
The present invention relates to cyclopenta[b]naphthalene derivatives to the use thereof in liquid-crystalline or mesogenic media, to liquid-crystalline or mesogenic media comprising at least one of these cyclopenta[b]naphthalene derivatives, and to electro-optical ...
11/03/2009
7385067Process for the preparation of compounds having a CFO bridge
The invention relates to a process for the preparation of compounds containing at least one —CF2—O— bridge in the molecule, in which a) an acid is added onto at least one ketene dithioketal, b) the...
06/10/2008
7335803Methods and compositions for modulating alpha adrenergic receptor activity
Methods and compositions for the treatment of pain and intraocular pressure. Particularly disclosed are new compositions for the treatment of chronic pain, glaucoma and methods for their use. ...
02/26/2008
7318950Chiral compounds II
The invention relates to chiral compounds of formula (I) R1—X1-(A1-Z1)m-G-(Z2-A2)n-X2—R2, wherein R1, R2, X1, X2
01/15/2008
7291474Hydrolytic substrates for an analyte-dependent enzyme activation system
Disclosed are compounds of the general formulas: wherein Y is a moiety capable of being cleaved by a hydrolytic enzyme; L is a detectable label; X is a linking group; Z is a halogen; and R is hydrogen, an alkyl, ...
11/06/2007
7270856Cyclobutane derivatives
The invention relates to novel cyclobutane derivatives of the formula (I), in which R1, R2, A, Z, m, n and o have the meaning indicated in claim 1, to the use thereof as components of liquid-crystalline media, and to liquid-crystal and e...
09/18/2007
72682483-Cyano-2,4,5-trifluorobenoxyl fluoride and intermediate products for the production thereof
The present invention relates to 3-cyano-2,4,5-trifluorobenzoyl fluoride and to intermediates for its preparation and to the process for the preparation of 3-cyano-2,4,5-trifluoro-benzoyl fluoride, which starts from 5-fluoro-1,3-xylene (VIII); which is bichlorinated...
09/11/2007
7265082Azeotrope-like compositions of 1,1,1,3,3-pentachloropropane and carbon tetrachloride
The invention relates to azeotropic and azeotrope-like mixtures of 1,1,1,3,3-pentachloropropane (HCC-240fa) and carbon tetrachloride and a process for separating the azeotrope-like mixtures. The compositions of the invention are useful as an intermediate in the prod...
09/04/2007
7220784Substituted stilbenes and their reactions
The present invention relates to stilbene and quinone compounds related to combretastatin A-4 and their use as anticancer compounds and prodrugs. The compounds include those with an alkyl group on the double bond of cis or trans-stilbenes, compounds with one or more...
05/22/2007
7182885Fluorinated indenes and 1,7-dihydroindacenes of negative dielectric anisotropy
Fluorinated indenes and 1,7-dihydroindacenes of the general formulae (I) and (II) of negative dielectric anisotropy (Δε
02/27/2007
7135210Liquid crystal compounds
The invention relates to liquid crystal compounds of formula (I), where X1, X2, X3, Z1, Z2, L1, L2, L3, L4, L5, L6, L7, L8,...
11/14/2006
7125589Liquid crystal compound having hydrogen as a terminal group, composition comprising the compound, and liquid crystal display element comprising the composition
A compound represented by the following formula (1), a composition comprising the composition and an element comprising the composition: Ra is alkyl having 1 to 15 carbons and so forth; A1, A2
10/24/2006
7122228Compound having negative Δε
The invention relates to indanes having negative Δε of the formula Ia or Ib in which R, A, Z, X, Y, V, W, n and m are as defined in claim 1. The compounds are particularly suitable for producing VA-TFT ...
10/17/2006
7102041Continuous process for preparing halogenated compounds
A process for preparing a haloalkane comprising: (a) contacting a haloalkane starting material with an alkene in the presence of an effective amount of a catalyst complex under conditions effective to facilitate an addition reaction and to form a product stream comp...
09/05/2006
7087272Fluorinated fluorene derivatives
The invention relates to fluorinated fluorene derivatives of negative DC anisotropy, of the formula I R1—(—A1—Z1—)k1—(—A2—Z2—)k2—W—(—Z3—A3
08/08/2006
7083832Partially fluorinated liquid crystal material
The invention provides LC compositions that exhibit V-shaped switching when aligned in an analog device configuration and exhibit bistability when aligned in a bookshelf-type device configuration. The invention more specifically provides LC compositions of formula 1...
08/01/2006
7081279Alkenyl compound having a negative Δε value, liquid crystal composition, and liquid crystal display device
Liquid crystalline compounds having a large negative Δε low viscosity, a large K33/K11 value, a small Δε/Δ⊥ and mutually excellent solubility even at low temperature, compositions containing at least one of the compounds and liquid cryst...
07/25/2006
7070838Liquid crystalline compound, liquid crystal composition and their polymers
The present invention provides a compound represented by formula (1) defined in the specification and a liquid crystal composition comprising the compound. The invention further provides a polymer obtained by polymerization of compound or composition above, and furt...
07/04/2006
7033652Liquid-crystalline medium
Liquid-crystalline media comprising at least one compound of the formula I in which X, L1, L2 and L3 are as defined herein, are useful for use in elect...
04/25/2006
7029730CFO-bridged, axially substituted cyclohexane derivatives
The invention relates to CF2O-bridged cyclohexane derivatives, in particular compounds of formula (I), R1-(-A1-Z1-)k1-Q-CF2O-A2-(-Z3-A3-)K3-R2, wherein Q represents group (a); W1, W2 represent —CH2— and/or —O— inde...
04/18/2006
7012165Oxidative fluorination of aromatic and chloroaromatic derivatives
The subject invention provides methods of fluorinating an aromatic or chloroaromatic compound comprising combining an aromatic compound, a chloroaromatic compound, a mixture of aromatic compounds, a mixture of chloroaromatic compounds, or a mixture of chloroaromatic...
03/14/2006
6992199Method for sulphonylating a hydroxylated organic compound
The invention concerns a method for sulphonylating a hydroxylated organic compound. The invention concerns in particular aliphatic hydroxylated compounds and more particularly those which comprise on their aliphatic chain, an electroattractive group. The method for ...
01/31/2006
6943257Process for preparation of aromatic halides from aromatic amines
The present invention provides a process for preparing an aromatic bromide or aromatic iodide from an aromatic amine derivative using nitrite anion and halodimethylsulfonium halide generated in situ from hydrobromic acid/DMSO or hydriodic acid/DMSO. The process for ...
09/13/2005
6916959Halogen-containing aromatic compound
The present invention relates to halogen-containing aromatic compounds and methods thereof. The present invention relates a halogen-containing aromatic acid dianhydride, halogen-containing aromatic tetranitrile compound, halogen-containing m-phenylenediamine compoun...
07/12/2005
6903230Process for producing a fluorine-containing compound
It is to provide a process for synthesizing an intended fluorine-containing compound having a geminal difluoro structure with a high yield, by subjecting a carbonyl compound which is readily available to a two-stage reaction. A compound (1) such as ethyl 4-ox...
06/07/2005
6890619Optical systems and refractive index-matching compositions
Optical systems such as, for example, optical switches, are disclosed comprising a solid component and a refractive index-matching liquid composition interfaced with the solid component. The liquid composition has a refractive-index that is substantially equal to th...
05/10/2005
6844032Liquid crystal compounds having bis(trifluoromethyl) phenyl rings, liquid crystal compositions and liquid crystal display devices
The compound (1) having 2,3-bis(trifluoromethyl)-1,4-phenylene is stable chemically and has excellent miscibility with other liquid crystal compounds, large and negative dielectric anisotropy and proper optical anisotropy. A liquid crystal composition comprising the...
01/18/2005
6838017Polar tolane liquid crystals
New tolane and bis-tolane compounds: in which X is F (fluoro), CN (cyano), OCF3 (trifluoromethoxy), or NCS (isothiocyanate) at least one of the pairs Y1 and Y
01/04/2005
6759101Liquid crystalline materials containing perfluoroalkyl and alkenyl tail groups
Compounds that are useful as components in liquid crystal compositions, particularly in ferroelectric liquid crystal compositions. Compounds of the invention are rod-like molecules with a mesogenic (generally linear) core to which an alkene tail and an alkyl or alko...
07/06/2004
6753046Liquid crystalline compound, medium and display
The invention relates to a liquid crystalline compound of the formula I wherein X1 and R1 are defined as in claim 1. The invention further relates to a liquid crystalline medium based on a mixture o...
06/22/2004
6733883Fluorinated dendrons and self-organizing ultrahigh density nanocylinder compositions
This invention relates to novel fluorinated dendrons and to a universal strategy for producing functional fluorinated dendrons programmed to self-assemble into supramolecular nanocylinder compositions containing p-stacks of high electron or hole mobility donors (D),...
05/11/2004
6706338Liquid-crystalline compounds
The invention relates to liquid-crystalline compounds of the formula I, and to liquid-crystalline media comprising at least one compound of the formula I and to electro-optical displays containing such a liquid-crystalli...
03/16/2004
6706934Method for producing 2,3,4,5-tetrachlorobenzotrifluoride
Disclosed herein is a method for producing 2,3,4,5-tetrachlorobenzotrifluoride comprising chlorinating 4-chlorobenzotrifluoride with elemental chlorine, in the presence of from 0.1 to 2% by weight of iron(III) chloride and 0.05 to 0.75% by weight of aluminum(III) ch...
03/16/2004
6670514Fluorinated polycycles and their use in liquid-crystal mixtures
Compounds of the formula (I) ##STR1## in which: R1 is H, F, CF3, OCF3, OCF2 H, OCFH2, an alkyl radical or an alkenyl radical; R2 is H, an alkyl radical or alkyloxy radical or an alkenyl ...
12/30/2003
6635318Tetracyclic and pentacyclic compounds, and their use in liquid-crystalline media
Disclosed is a tetracyclic compound of the formula I ##STR1## in which R1, R2 are each, independently of one another, an alkyl or alkenyl radical having up to 15 carbon atoms which is unsubstituted, monosubstituted by CN or CF
10/21/2003
6632949Halogenating agents
Disclosed are a fluorinating agent represented by the general formula (1): ##STR1## wherein R1 to R4 are a substituted or unsubstituted, saturated or unsaturated alkyl group or a substituted or unsubstituted aryl group, and can be th...
10/14/2003
6596349Terphenyl derivative, liquid crystal composition and liquid crystal display device
The present invention provides liquid crystalline compounds having a high voltage holding ratio and a low threshold voltage, little variation of these properties with temperature change, high Ɗn, and good compatibility with other liquid crystal materials...
07/22/2003
6590125Blue light-emitting polymer prepared using a fluorinated tetraphenyl monomer and an EL device manufactured using the polymer
A light-emitting polymer and its preparation method, the polymer being excellent in electron injection and transport ability as well as hole injection and transport ability in an EL device, the EL device manufactured from the polymer being also emittable ...
07/08/2003
6583307Convenient and efficient Suzuki-Miyaura cross-coupling catalyzed by a palladium/diazabutadiene system
A Pd(OAc)2 /diazabutadiene system has been developed for the catalytic cross-coupling of aryl halides with arylboronic acids. A combination of the diazabutadiene DAB-Cy (1, N,N'-Dicyclohexyl-1,4-dizabutadiene) and Pd(OAc)2 was found ...
06/24/2003
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