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| Number | Title | Issue Date |
| 7524992 | Carbon-carbon bond creation method comprising the coupling of a transferable group and an acceptor group The invention relates to a carbon-carbon bond creation method comprising the coupling of a transferable group and an acceptor group. The inventive method comprises the following steps: a) activation of a siliceous compound bearing a transferable group by an activati... | 04/28/2009 |
| 7291367 | Liquid-crystalline compounds The invention relates to liquid-crystalline compounds of the formula (I) in which R1, R2, A1, A2, A3, A4, Z1, Z2, Z3, a, b and c have the meanings indicated in Claim | 11/06/2007 |
| 7238832 | Production method of a coupling compound There is provided a method for producing a coupling compound of formula (1): (Y—)(n−1)R1—R2—(R1)(n′−1) (1) wherein R1, R2 n and n′ are as defined belo... | 07/03/2007 |
| 7220783 | Para-terphenyl compounds The present invention provides a selective suppressor of the IgE production comprising a compound which suppresses the IgE production in a process from a differentiation of a mature B cell into an antibody-producing cell to the production of an antibody and which do... | 05/22/2007 |
| 7126031 | Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom New ligands and compositions with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/... | 10/24/2006 |
| 7101915 | P-terphenyl compounds The present invention provides a selective suppressor of the IgE production comprising a compound which suppresses the IgE production in a process from a differentiation of a mature B cell into an antibody-producing cell to the production of an antibody and which do... | 09/05/2006 |
| 7091292 | Bridged bi-aromatic catalysts, complexes, and methods of using the same Ligands, compositions, metal-ligand complexes and arrays with substituted bridged bis-biaromatic ligands, and methods of making and using the same, are disclosed that are useful in the catalysis of transformations such as the polymerization of monomers into polymers... | 08/15/2006 |
| 7074836 | Para-terphenyl compounds The present invention provides a selective suppressor of the IgE production comprising a compound which suppresses the IgE production in a process from a differentiation of a mature B cell into an antibody-producing cell to the production of an antibody and which do... | 07/11/2006 |
| 7041856 | Coupling catalyst and process using the same There are disclosed a process for producing a coupling compound of formula (1): (Y—)(n−1)R1—R2—(R1)(n′−1), (1) wherein R1 and R2 | 05/09/2006 |
| 6864397 | Difluoromethyl ether derivative and process for producing the same The present invention provides a process for producing a difluoromethyl ether derivative simple and efficient process for producing the difluoromethyl ether derivative represented by Formula (1d′) or a difluoromethyl ether derivative represented by Formula (1c′)... | 03/08/2005 |
| 6841502 | Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom New ligands and compositions with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/... | 01/11/2005 |
| 6784322 | Oligomeric and polymeric OLED materials produced via arylation of quinones OLED materials are provided that have the general formula: R1—(Ari)n—R2 wherein the subscript n is an integer of from 5 to 15; the superscript i is an integer of from 1 to n and denotes ... | 08/31/2004 |
| 6762330 | Catalysis using phosphine oxide and sulfoxide compounds Phosphine oxide and sulfoxide compounds were used with transition metals, preferably palladium and nickel, to produce biaryls, arylthiols, arylphosphine oxides and arylamines via cross-coupling reactions with aryl halides and arylboronic acids, aryl Grignard reagent... | 07/13/2004 |
| 6605747 | Difluoromethyl ether derivative and process for producing the same The present invention provides a difluoromethyl ether derivative which shows various suitable physical properties as a liquid crystal compound, a liquid crystal composition comprising the compound and a liquid crystal display element containing the compos... | 08/12/2003 |
| 6586599 | Catalyzed coupling reactions of aryl halides with silanes A process for conducting coupling reactions of aryl halides with unsaturated silanes is described. The processes use N-heterocyclic carbenes as ancillary ligands in these coupling reactions. A coupling of an aryl halide with an unsaturated silane can be c... | 07/01/2003 |
| 6583307 | Convenient 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 |
| 6444858 | Method of reducing flock during alkoxylation The present invention provides a method for alkoxylating organic compounds comprising contacting an organic compound adapted to be alkoxylated with an alkylene oxide in a reaction vessel under conditions effective to alkoxylate the organic compound. The a... | 09/03/2002 |
| 6417357 | Coupling reactions with palladium catalysts This invention relates to a novel, inventive process for the preparation of biphenyls or aromatic olefins by coupling reactions of the Suzuki coupling and Heck coupling type, using allylpalladium catalysts of the μ-halo(triisopropylphosphine)(η3 | 07/09/2002 |
| 6291722 | Catalysis using phosphine oxide compounds Phosphine oxide compounds were used with transition metals, preferably palladium and nickel, to produce biaryls and arylamines via cross-coupling reactions with aryl halides and arylboronic acids, aryl Grignard reagents or amines.... | 09/18/2001 |
| 6278028 | Liquid crystal compounds, mixtures and devices An electroclinic device having two spaced cell walls each bearing electrode structures and treated on at least one facing surface with an alignment layer, a layer of a smectic liquid crystal material enclosed between the cell walls, where the liquid cryst... | 08/21/2001 |
| 6218564 | Process for the preparation of substituted aromatic compounds A process for the preparation of a substituted aromatic compound in which a chloroaromatic compound and an alkyl-, alkenyl- or aryl-boronic acid ester or anhydride are coupled in the presence of palladium and a lipophilic aliphatic phosphine comprising at... | 04/17/2001 |
| 6124462 | Catalysis using phosphine oxide compounds Phosphine oxide compounds were used with transition metals, preferably palladium, to produce biaryls and arylamines via cross-coupling reactions with aryl halides and arylboronic acids or amines.... | 09/26/2000 |
| 6066766 | Process for the preparation of 4-chlorobiphenyls 4-Chlorobiphenyls are prepared by reacting a haloaromatic with an aryl Grignard compound, where halogen is chlorine, bromine or iodine, in the presence of a palladium catalyst of the formula (IV) ##STR1##... | 05/23/2000 |
| 5969147 | Substituted biphenyloxazolines New pesticidal substituted biphenyloxazolines of the formula (I) in which A, B, X, m and n have the meanings stated in the description, and new intermediates therefor.... | 10/19/1999 |
| 5827333 | Substituted biphenyl ethers and fuel compositions containing the same Substituted biphenyl polyalkyl ethers having the formula: ##STR1## wherein R1 is hydrogen or hydroxyl; R2 is hydroxyl, cyano, nitro, amino, aminomethyl, N-alkylamino or N-alkylaminomethyl wherein the alkyl group contains 1 to ab... | 10/27/1998 |
| 5723621 | Process for processing biaryl compound A novel process for producing a biaryl compound represented by formula (III), which is useful as a medicine, an agricultural chemical and an electrooptical liquid-crystal display material: Ar--Ar' (III) (where... | 03/03/1998 |
| 5686608 | Process for cross-coupling aromatic boron compounds with aromatic halogen compounds or perfluoroalkylsulfonates A process for preparing polycyclic aromatic compounds by cross-coupling aromatic boron compounds with aromatic halogen compounds or perfluoroalkylsulfonates in the presence of metallic palladium as catalyst comprises adding to the reaction a) at least one... | 11/11/1997 |
| 5679285 | Vinylene compounds and liquid-crystalline medium Vinylene compounds of the formula I ##STR1## in which R, A1, Z1, X, L1, L2 and m have the meaning given in claim 1 are suitable as components of liquid-crystalline media.... | 10/21/1997 |
| 5599952 | Methods of producing carboxylic acid ester derivatives and intermediates for use in the methods Methods of producing carboxylic acid ester derivatives of formulae (I) and (II), which are useful, for instance, as intermediates for producing an anti-hypercholesterolemic agent having an inhibitory effect on HMG-CoA Reductase: ##STR1## wherein... | 02/04/1997 |
| 5550236 | Process for cross-coupling aromatic boronic acids with aromatic halogen compounds or perfluoroalkylsulfonates A process for preparing polycyclic aromatic compounds by cross-coupling aromatic boronic acids with aromatic halogen compounds or perfluoroalkylsulfonates in the presence of metallic palladium, if desired applied to a support material, as catalyst, wherei... | 08/27/1996 |
| 5494605 | P-terphenyl derivatives and liquid crystalline compositions The p-terphenyl derivatives of the formula shown below are useful in preparing practical ferroelectric liquid crystalline compositions. The derivatives exhibit excellent chemical stability and display the chiral smectic C or smectic C phase over a wide te... | 02/27/1996 |
| 5399291 | Liquid crystal compounds having a fluoroether terminal portion Fluorine-containing, chiral and achiral liquid crystal compounds comprise (a) an aliphatic fluorocarbon terminal portion comprising a perfluorinated or partially-fluorinated alkylene group and a terminal hydrocarbon alkyl group, the groups optionally cont... | 03/21/1995 |
| 5397504 | Biphenyl compound A new biphenyl compound which is chemically stable and possesses practically excellent properties as a component for preparing ferroelectric smetic liquid crystalline compositions as well as a new liquid crystalline composition containing this compound.... | 03/14/1995 |
| 5382380 | P-terphenyl derivatives and liquid crystalline compositions New p-terphenyl derivatives useful as components for preparing practical ferroelectric liquid crystalline compositions and excellent in chemical stability, as well as liquid crystalline compositions containing at least one of the p-terphenyl derivatives.... | 01/17/1995 |
| 5366656 | Optically active alcohol and derivatives thereof, liquid crystal composition containing same and liquid crystal device Optically active compounds of general formulae ##STR1## wherein A is O or S, R1 is a hydrogen atom, an alkyl group having 1-22 carbon atoms, a hydroxy containing alkyl group, para-alkyl substituted phenyl, para-alkyl substituted biphenyl, ... | 11/22/1994 |
| 5328643 | Optically active compounds, liquid crystal composition containing said compounds, and liquid crystal optical modulator using said composition The invention relates to optically active compounds represented by the general formula I ##STR1## wherein R1, R2, R3, R4, Q1, Q2, Q3, and M are defined as in the specificati... | 07/12/1994 |
| 5312975 | Process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid A process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid comprising the reaction of an organometallic derivative with a suitable substituted benzene in the presence of a transition-metal based catalyst is described.... | 05/17/1994 |
| 5262082 | Ferroelectric liquid crystal compounds having perfluoroether terminal portions Fluorine-containing liquid crystal compounds are provided. The compounds comprise a fluorocarbon terminal portion having at least one catenary ether oxygen and a hydrocarbon terminal portion, the terminal portion being connected by a central core, the com... | 11/16/1993 |
| 5238603 | Optically active liquid crystalline compound and a composition containing same A liquid crystal compound having specific features suitable to use for a display mode utilizing ferroelectric liquid crystals, particularly a large spontaneous polarization value and a liquid crystal composition using the compound are provided, which comp... | 08/24/1993 |
| 5204018 | Liquid crystals Compounds of the formula ##STR1## wherein n stands for the number 0 or 1; R1 denotes a group R3 or R3 --A3 --Z2 -- and R2 denotes a group R4 or R4 --A4... | 04/20/1993 |
