Plural Benzene Rings Bonded Directly To Each Other Patents (Class 568/642)
-
Publication number: 20120193577Abstract: The invention provides a liquid crystal compound having a high stability to heat, light or the like, a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, a large elastic constant K33, a large negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds. The invention provides a liquid crystal composition having characteristics similar to these of the compound. The invention provides a liquid crystal display device having a short response time, low electric power consumption, a low driving voltage, a large contrast and a wide temperature range in which the device can be used. The compound is a 2,3-difluorobenzene derivative (1) having a combination of a cyclohexane ring, a cyclohexene ring or a benzene ring phenyl and a butene bonding group. The liquid crystal composition includes this compound, and the liquid crystal display device contains this composition.Type: ApplicationFiled: January 27, 2012Publication date: August 2, 2012Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventor: Masahide KOBAYASHI
-
Publication number: 20120168677Abstract: A liquid crystal compound represented by formula (1-1). For example, R1 and R2 are independently hydrogen, alkyl having 1 to 10 carbons, alkenyl having 2 to 10 carbons, alkoxy having 1 to 9 carbons, alkoxyalkyl having 2 to 9 carbons or alkenyloxy having 2 to 9 carbons; the ring A1 is trans-1,4-cyclohexylene, 1,4-cyclohexenylene, 1,3-dioxane-2,5-diyl, pyrimidine-2,5-diyl or pyridine-2,5-diyl; L1 and L2 are independently hydrogen or fluorine, and at least one of them is fluorine; and Z1, Z2 and Z3 are independently a single bond, —(CH2)2—, —CH?CH—, —C?C—, —CH2O—, —OCH2—, —COO— or —OCO—.Type: ApplicationFiled: September 2, 2010Publication date: July 5, 2012Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: Masahide Kobayashi, Junichi Yamashita
-
Publication number: 20120165574Abstract: The disclosure provides a catalyst carrier, including a nano carbon material; and a polymer grafted on the nano carbon material, wherein the polymer has a repetitive unit comprising a phosphorous atom. The disclosure further provides a catalyst deposited on the catalyst carrier of the disclosure. The catalyst of the disclosure has high reactivity, and is easy to be recovered in C—C coupling reactions such as a Suzuki-Miyaura coupling reaction.Type: ApplicationFiled: December 27, 2010Publication date: June 28, 2012Inventors: Mao-Lin HSUEH, Cheng-Wei YEH, Kuo-Chen SHIH, Hsiao-Chun YEH, Yi-Zhen CHEN
-
Publication number: 20120164355Abstract: A liquid crystal compound of Formula (1) is provided. In Formula (1), R is hydrogen, linear or branching C1-15 alkyl, linear or branching C1-15 alkyl (wherein any one of —CH2— is replaced by —O—, —S—, —CO—, —CO—O—, or —O—CO—), linear or branching C2-15 alkenyl, or linear or branching C2-15 alkenyl (wherein any one of —CH2— is replaced by —O—, —S—, —CO—, —CO—O—, or —O—CO—), A and B are, independently, cyclohexane, cyclohexane (wherein any one of —CH2— is replaced by —O— or —NH—), benzene, or benzene (wherein any one of —CH2? is replaced by —N?), X is a single bond, —CO—O—, —O—CO—, —CH2O—, —OCH2—, —CH2CH2—, —C?C—, —C?C—, —CF2O—, or —OCF2—, Q is oxygen or CH2, Y is CF3, CF2H, or CFH2, L1, L2, and L3 are, independently, hydrogen or fluorine, and m is 0, 1, or 2.Type: ApplicationFiled: June 10, 2011Publication date: June 28, 2012Inventors: Pei-Chen Huang, Kuo-Chang Wang, Kuo-Liang Yeh, An-Cheng Chen, Kung-Lung Cheng, Shyue-Ming Jang
-
Patent number: 8187494Abstract: The invention provides a liquid crystal compound having stability to heat, light and so forth, a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, and a suitable elastic constant K33, and further having a suitable and negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds, and a liquid crystal composition having stability to heat, light and so forth, a low viscosity, a large optical anisotropy, a suitable and negative dielectric anisotropy, and a suitable elastic constant K33, a low threshold voltage, a high maximum temperature (phase-transition temperature on a nematic phase-isotropic phase) of a nematic phase, and a low minimum temperature of the nematic phase. The liquid crystal compound which has a specific structure having fluorine at a lateral position and also having phenylene in which hydrogen on the benzene ring is replaced by fluorine, and a liquid crystal composition containing the compound are prepared.Type: GrantFiled: August 26, 2008Date of Patent: May 29, 2012Assignees: JNC Corporation, Chisso Petrochemical CorporationInventors: Masahide Kobayashi, Teru Shimada
-
Publication number: 20120115714Abstract: The present invention provides the catalyst precursor that has excellent safety and stability, has high stable activity retention rate, can be recycled, increases yield resulted from a reaction, and is easily processed into various forms. The catalyst precursor comprises a structure in which the entire structure is composed of gold or a gold-based alloy and the surface of the structure is modified with elemental sulfur, or at least the surface of the structure is composed of gold or a gold-based alloy and the surface of the structure is modified with elemental sulfur, and a catalytic metal compound supported on the structure, wherein the catalyst precursor has peaks derived from the catalytic metal compound and also sulfur as analyzed by photoelectron spectroscopy, and wherein the peak derived from sulfur is of the sulfur 1s orbital observed within a range of 2470 eV±2 eV in terms of the peak top position.Type: ApplicationFiled: July 16, 2010Publication date: May 10, 2012Applicant: FURUYA METAL CO., LTD.Inventors: Mitsuhiro Arisawa, Satoshi Shuto, Naoyuki Hoshiya
-
Publication number: 20120099039Abstract: A liquid crystal compound having a large refractive index anisotropy, a large dielectric anisotropy, and a low melting point, and a liquid crystal medium having a liquid crystal phase over a wide temperature range, a large refractive index anisotropy, a large dielectric anisotropy, and having an optically isotropic liquid crystal phase, are provided. The present invention is a liquid crystal compound having a chlorobenzene ring, and a liquid crystal medium characterized by containing the liquid crystal compound and a chiral reagent, and exhibiting an optically isotropic liquid crystal phase.Type: ApplicationFiled: May 7, 2010Publication date: April 26, 2012Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: Yasuhiro Haseba, Takafumi Kuninobu
-
Publication number: 20120088936Abstract: In Suzuki Cross-Couplings, a palladium-containing perovskite-type composite oxide represented by the following general formula (1) is used as a catalyst for synthesis reaction: Ln2MyCu1-x-yPdxO4±???(1) wherein Ln represents elements composed of at least one essential element selected from La, Pr, Nd, Sm, Eu, and Gd and at least one optional element selected from Y, Ce, Yb, Ca, Sr, and Ba; M represents at least one element selected from Cr, Mn, Fe, Co, Ni, and Al; x, indicating an atomic proportion, is 0.001?x?0.4; y, indicating an atomic proportion, is 0?y?0.5; and ? indicates an oxygen excess amount or an oxygen deficiency amount.Type: ApplicationFiled: June 24, 2010Publication date: April 12, 2012Applicants: DAIHATSU MOTOR CO., LTD., HOKKO CHEMICAL INDUSTRY CO., LTD.Inventors: Kimiyoshi Kaneko, Hirohisa Tanaka
-
Publication number: 20120029194Abstract: The invention provides a liquid crystal compound having general physical properties necessary for the compound, namely stability to heat, light and so forth, a wide temperature range of a liquid crystal phase, a high clearing point, a good compatibility with other compounds, a large optical anisotropy and a large dielectric anisotropy; a compound represented by formula (1): wherein, for example, R1 is alkyl having 1 to 20 carbons; ring A1 and ring A4 each are 1,4-cyclohexylene, 1,4-phenylene, or 1,4-phenylene in which arbitrary hydrogen is replaced by halogen; Z1 and Z4 each are a single bond; L1, L2, L3 and L4 each are hydrogen or fluorine; and X1 is fluorine, chlorine, —CF3 or —OCF3.Type: ApplicationFiled: March 15, 2010Publication date: February 2, 2012Applicants: CHISSO PETROCHEMICAL CORPORATION, JNC CORPORATIONInventor: Hiroyuki Tanaka
-
Patent number: 8101095Abstract: The racemic and chiral compounds expressed by common formula 1 and formula 2: wherein the lateral substituents X1, X2, X3, X4, X5, X6, X7 and X8 in the benzene rings represent independently hydrogen and fluorine atoms, bridge group Z represent independently the single bond or COO, CH2CH2, CH2O and OCH2 group, substituent Y represents CH3, or CH2F, CHF2, CF3, C2H5 group, symbols n, m, r and t are independently integers of 1 to 8; symbols p and s signify independently number of 0 to 1 and its orthoconic antiferroelectric long helical pitch mixtures prepared by the methods 1) to the racemic components selected from compounds 1 are added chiral components selected from the compound of formula 1 and/or chiral components selected from the compounds of formula 2 and/or another optically active compounds with high helical twisting power, 2) to chiral compound 1 which helical pitches increases with the temperature increase is added chiral compound 1 which helical pitch decreases with temperature increase.Type: GrantFiled: April 13, 2010Date of Patent: January 24, 2012Assignee: Wojskowa Akademia Techniczna IM. Jaroslawa DabrowskiegoInventors: Roman Slawomir Dabrowski, Krzysztof Ludwik Czuprynski, Przemyslaw Kula, Magdalena Zurowska, Wojciech Rejmer, Wiktor Piecek, Zbigniew Raszewski
-
Publication number: 20110315925Abstract: The invention provides a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced between at least two of the characteristics. The liquid crystal composition has a nematic phase, and includes a specific optically active compound as a first component and may optionally include a specific compound having a high maximum temperature or a small viscosity as a second component, and a specific compound having a large positive dielectric anisotropy as a third component, and the liquid crystal display device contains this composition.Type: ApplicationFiled: March 2, 2010Publication date: December 29, 2011Applicants: CHISSO PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: Takashi Hiraoka, Masayuki Saito, Kouki Sago
-
Publication number: 20110253935Abstract: The present invention relates to liquid-crystalline compounds having two fluorinated biphenyl units, a terminal trifluoromethyl or trifluoromethoxy group and a —CF2O— bridge between the two fluorinated biphenyl units. The invention also relates to liquid-crystalline media prepared therewith and to liquid-crystal display devices (LC displays) containing these media.Type: ApplicationFiled: April 14, 2011Publication date: October 20, 2011Applicant: MERCK PATENT GESELLSCHAFT MIT BESCRANKTER HAFTUNGInventors: Axel JANSEN, Helmut Haensel, Malgorzata Rillich
-
Publication number: 20110233463Abstract: Chiral liquid crystal compounds of the general formula (1): in which at least one of R1 and R2 is a chiral substituent, K may be a single bond or the same as K1-5 and K1-5 denote a six-membered ring system which rings may be at least partially unsaturated, wherein the number of atoms in these rings or ring systems between the two atoms forming a part of the link to the next ring, or to one of the substituents R1 and R2, does not differ by more than one if counted in the clockwise, and in the counter-clockwise sense, starting from the same atom in each case, X1-20 denote alkyl, or alkoxy, or fluorinated alkyl, or fluorinated alkoxy groups, or atom H, or halogen atoms, mixtures comprising such chiral liquid crystal compounds, and liquid crystal displays comprising such mixtures as active ingredientsType: ApplicationFiled: September 17, 2008Publication date: September 29, 2011Inventors: Wolfgang Haase, Artsiom Lapanik
-
Publication number: 20110233466Abstract: The present invention relates to liquid-crystalline compounds having at least three fluorine-substituted benzene rings, a terminal trifluoromethyl group and at least one —CF2O— bridge. The invention also relates to liquid-crystalline media prepared therewith and to liquid-crystal display devices (LC displays) containing these media.Type: ApplicationFiled: March 22, 2011Publication date: September 29, 2011Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Axel JANSEN, Helmut Haensel, Philipp Krattiger, Andreas Taugerbeck, Malgorzata Rillich
-
Publication number: 20110130564Abstract: Intermediates and synthetic processes for the preparation of substituted phenylalanine-based compounds (e.g.Type: ApplicationFiled: February 10, 2011Publication date: June 2, 2011
-
Patent number: 7951432Abstract: A liquid crystal compound represented by formula (1), a liquid crystal composition comprising the compound, and a liquid crystal display device comprising the composition: For example, R1 is alkyl having 1 to 20; ring A1, ring A2, ring A3, ring A4, ring A5, and ring A6 are 1,4-cyclohexylene or 1,4-phenylene; Z1, Z2, Z3, Z4, Z5, and Z6 is a single bond; X1 is hydrogen or halogen; l, m, n, o, p, and q are 0 or 1, and l+m+n+o+p+q is 3.Type: GrantFiled: June 4, 2009Date of Patent: May 31, 2011Assignees: Chisso Corporation, Chisso Petrochemical CorporationInventor: Hiroyuki Tanaka
-
Publication number: 20110090450Abstract: The invention provides a liquid crystal compound which has stability to heat, light and so forth, a nematic phase in a wide temperature range, a small viscosity, a large optical anisotropy, and a suitable elastic constant K33, and further has a suitable and negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds. Moreover, the invention provides a liquid crystal composition comprising this liquid crystal compound and a liquid crystal display device containing this liquid crystal composition. A liquid crystal compound represented by formula (a): for example, R1 and R2 are alkyl having 1 to 10 carbons, alkenyl having 2 to 10 carbons or alkoxy having 1 to 9 carbons; ring A1 and ring A2 are 1,4-phenylene or trans-1,4-cyclohexylene; L1 and L2 are hydrogen or fluorine, and at least one of L1 and L2 is fluorine; and Z1 and Z2 are a single bond, —(CH2)2—, —CH?CH—, —CH2O— or —OCH2—.Type: ApplicationFiled: June 2, 2009Publication date: April 21, 2011Inventor: Masahide Kobayashi
-
Publication number: 20110046380Abstract: A method for producing an unsaturated organic compound represented by the formula (3): (Y1)m-1—R1—R2—(Y2)n-1??(3) wherein Y1 represents R2 or X1, and Y2 represents R1 or B(X2)2, which comprises reacting a compound represented by the formula (1): R1(X1)m??(1) wherein R1 represents an aromatic group or the like, X1 represents a leaving group and m represents 1 or 2, with a compound represented by the formula (2): R2{B(X2)2}n??(2) wherein R2 represents an aromatic group or the like, X2 represents a hydroxyl group or the like, and n represents 1 or 2, in the presence of (a) a nickel compound selected from a nickel carboxylate, nickel nitrate and a nickel halide, (b) a phosphine compound such as 1,4-bis(dicyclohexylphosphino) butane, (c) an amine selected from a primary amine and a diamine such as N,N,N?,N?-tetramethyl-1,2-ethanediamine, and (d) an inorganic base.Type: ApplicationFiled: April 28, 2009Publication date: February 24, 2011Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Taku Asaumi, Takashi Kamikawa
-
Publication number: 20110034738Abstract: In a process for the preparation of ring compounds via a combinatorial synthesis, the reaction procedure is based on a Suzuki coupling, subsequent halo-demetallation and finally a further Suzuki coupling. The Suzuki couplings are each carried out with a boronic acid or a boronic acid ester. The reaction procedure uses provides novel ring compounds and uses novel synthesis units used for this purpose. The novel ring compounds are suitable for use as constituents in liquid-crystalline mixtures.Type: ApplicationFiled: October 19, 2010Publication date: February 10, 2011Inventors: Detlef PAULUTH, Peer Kirsch, Peter Baeuerle, Oliver Deeg
-
Publication number: 20100328600Abstract: The invention provides a liquid crystal compound having stability to heat, light and so forth, a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, a suitable elastic constant K33, a suitable and negative dielectric anisotropy, and an excellent compatibility with other liquid crystal compounds. The invention provides a liquid crystal composition containing the compound described above and having stability to heat, light and so forth, a small viscosity, a suitable optical anisotropy, a suitable and negative dielectric anisotropy, a suitable elastic constant K33, a low threshold voltage, a high maximum temperature of a nematic phase, and a low minimum temperature of the nematic phase. The invention also provides a liquid crystal display device having a short response time, a small power consumption, a low driving voltage, and a large contrast, and containing the composition described above which can be used in a large temperature range.Type: ApplicationFiled: September 1, 2008Publication date: December 30, 2010Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATIONInventors: Teru Shimada, Masahide Kobayashi
-
Patent number: 7851032Abstract: A liquid crystal composition is provided that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or is properly balanced regarding at least two characteristics. An AM device is provided that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition contains a specific compound having especially negatively large dielectric anisotropy as the first component, a specific bicyclic compound having a small viscosity as the second component, a specific compound having a high maximum temperature as the third component, a specific compound having a negatively large dielectric anisotropy, a low minimum temperature as the fourth component.Type: GrantFiled: May 7, 2009Date of Patent: December 14, 2010Assignees: Chisso Corporation, Chisso Petrochemical CorporationInventors: Masayuki Saito, Teru Shimada
-
Publication number: 20100309402Abstract: The invention provides a liquid crystal compound having stability to heat, light and so forth, a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, and a suitable elastic constant K33, and further having a suitable and negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds, and a liquid crystal composition having stability to heat, light and so forth, a low viscosity, a large optical anisotropy, a suitable and negative dielectric anisotropy, and a suitable elastic constant K33, a low threshold voltage, a high maximum temperature (phase-transition temperature on a nematic phase-isotropic phase) of a nematic phase, and a low minimum temperature of the nematic phase. The liquid crystal compound which has a specific structure having fluorine at a lateral position and also having phenylene in which hydrogen on the benzene ring is replaced by fluorine, and a liquid crystal composition containing the compound are prepared.Type: ApplicationFiled: August 26, 2008Publication date: December 9, 2010Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATIONInventors: Masahide Kobayashi, Teru Shimada
-
Publication number: 20100296029Abstract: A liquid crystal compound and a liquid crystal medium are described. The liquid crystal compound is stable to heat and light and has a large dielectric anisotropy and a large optical anisotropy. The liquid crystal medium has a wide temperature range of liquid crystal phase, a large optical anisotropy and a large dielectric anisotropy, and exhibits an optically isotropic liquid crystal phase. The liquid crystal compound has 4 or 5 benzene rings, one of which is a chlorofluorobenzene ring. The liquid crystal medium is characterized in containing the liquid crystal compound and a chiral dopant and exhibiting an optically isotropic liquid crystal phase.Type: ApplicationFiled: May 18, 2010Publication date: November 25, 2010Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATIONInventor: Haseba Yasuhiro
-
Publication number: 20100272925Abstract: Disclosed are liquid-crystal (LC) media for use in LC displays of the PS (polymer stabilised) or PSA (polymer sustained alignment) type which contain a liquid-crystal (LC) mixture that contains one or more compounds of formula IType: ApplicationFiled: April 23, 2010Publication date: October 28, 2010Applicant: MERCK PATENT GESELLSCHAFTInventors: Achim Goetz, Melanie Klasen-Memmer, Stephan Derow, Sabine Schoen, Peter Best
-
Publication number: 20100258765Abstract: The racemic and chiral compounds expressed by common formula 1 and formula 2: wherein the lateral substituents X1, X2, X3, X4, X5, X6, X7 and X8 in the benzene rings represent independently hydrogen and fluorine atoms, bridge group Z represent independently the single bond or COO, CH2CH2, CH2O and OCH2 group, substituent Y represents CH3, or CH2F, CHF2, CF3, C2H5 group, symbols n, m, r and t are independently integers of 1 to 8; symbols p and s signify independently number of 0 to 1 and its orthoconic antiferroelectric long helical pitch mixtures prepared by the methods 1) to the racemic components selected from compounds 1 are added chiral components selected from the compound of formula 1 and/or chiral components selected from the compounds of formula 2 and/or another optically active compounds with high helical twisting power, 2) to chiral compound 1 which helical pitches increases with the temperature increase is added chiral compound 1 which helical pitch decreases with temperature increase.Type: ApplicationFiled: April 13, 2010Publication date: October 14, 2010Applicant: WOJSKOWA AkADEMIA TECHNICZNA im. JAROSLAWA DABROWSKIEGOInventors: ROMAN SLAWOMIR DABROWSKI, Krzysztof Ludwik Czuprynski, Przemyslaw Kula, Magdalena Zurowska, Wojciech Rejmer, Wiktor Piecek, Zbigniew Raszewski
-
Publication number: 20100256923Abstract: One embodiment includes a material exhibiting an optical response signature for neutrons that is different than an optical response signature for gamma rays, said material exhibiting performance comparable to or superior to stilbene in terms of distinguishing neutrons from gamma rays, wherein the material is not stilbene. Another embodiment includes a substantially pure crystal exhibiting an optical response signature for neutrons that is different than an optical response signature for gamma rays, the substantially pure crystal comprising a material selected from a group consisting of: 1-1-4-4-tetraphenyl-1-3-butadiene; 2-fluorobiphenyl-4-carboxylic acid; 4-biphenylcarboxylic acid; 9-10-diphenylanthracene; 9-phenylanthracene; 1-3-5-triphenylbenzene; m-terphenyl; bis-MSB; p-terphenyl; diphenylacetylene; 2-5-diphenyoxazole; 4-benzylbiphenyl; biphenyl; 4-methoxybiphenyl; n-phenylanthranilic acid; and 1-4-diphenyl-1-3-butadiene.Type: ApplicationFiled: April 3, 2009Publication date: October 7, 2010Inventors: Stephen A. Payne, Wolfgang Stoeffl, Natalia P. Zaitseva, Nerine J. Cherepy, M. Leslie Carman
-
Patent number: 7790929Abstract: The invention relates to chiral phenols, preferably of formula (I), the different parameters having the meaning indicated in the description, liquid crystal media which contain said compounds as chiral doping agents and/or stabilizers, and the use thereof in electro-optical displays.Type: GrantFiled: September 18, 2003Date of Patent: September 7, 2010Assignee: Merck Patent GmbHInventors: Volker Reiffenrath, Michael Heckmeier
-
Patent number: 7767277Abstract: Disclosed are compounds of formula I processes for the preparation thereof, and liquid-crystalline media and electro-optical displays containing said compounds.Type: GrantFiled: September 12, 2007Date of Patent: August 3, 2010Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Lars Lietzau, Markus Czanta, Harald Hirschmann, Michael Wittek
-
Publication number: 20100184977Abstract: Organozinc compounds of the type R1—Ar1—ZnY (1) can be reacted with different functionalized aryl halides R2—Ar2—X (2) in the presence of catalytic amounts of Ni or Fe in a polar solvent or solvent mixture to form polyfunctional biaryles of the type R1—Ar1—Ar2—R2 (3). Organozinc compounds of the type (1) can be represented by the transmetallation reaction of functionalized aryl magnesium halides or lithium aryl compounds with e.g. ZnBr2.Type: ApplicationFiled: September 12, 2006Publication date: July 22, 2010Inventors: Paul knochel, Andrei Gavriushin, Christiane Charlotte Kofink, Georg Manolikakes
-
Publication number: 20100185019Abstract: A catalyst composition for a cross-coupling reaction comprising a nickel metal source, a fluorine source, and a nitrogen-containing heterocyclic compound having a specific structure, or a phosphine compound. Using this catalyst composition, a cross-coupled compound R5—R6 (wherein R5 and R6 are an aryl or heteroaryl group, or a linear, branched or cyclic alkyl group or a linear, branched or cyclic alkenyl group) is produced with a high selectivity by allowing an organometallic compound of the formula (2) R5-MY1 or the formula (3) R5-M-R5 (wherein R5 is the same as defined above, M is a Mg or Zn atom, and Y1 is a halogen atom) to react with a compound of the formula (4) R6—Y2 (wherein R6 is the same as defined above, and Y2 is a halogen atom, a methanesulfonate group, a toluenesulfonate group or a trifluoromethanesulfonate group).Type: ApplicationFiled: July 9, 2008Publication date: July 22, 2010Inventors: Masaharu Nakamura, Takuji Hatakeyama, Hisao Eguchi, Hirokazu Yano
-
Publication number: 20100152037Abstract: Novel brominated poly(2,6-diphenyl-1,4-phenylene oxide) compounds are synthesized and found to have improved carbon dioxide separation properties, including improved carbon dioxide permeability and improved carbon dioxide/nitrogen selectivity.Type: ApplicationFiled: May 11, 2007Publication date: June 17, 2010Inventors: Maciej Radosz, Youqing Shen
-
Publication number: 20100087646Abstract: [Problem] To provide an organoboron compound-containing reagent for organic synthesis reactions which undergoes no trimerization with dehydration, does not necessitate activation with a base, and is stable and highly active. [Means for Solving Problems] The reagent for organic synthesis reactions contains an organic triol borate salt represented by any of the general formulae (I) to (III) and general formula (XVI): (wherein R1 represents alkyl, alkenyl, etc.; R2 represents optionally substituted alkyl, alkenyl, alkynyl, etc. or represents hydrogen; m+ represents an alkaline metal ion, phosphonium ion, or given ammonium ion; M2+ represents an alkaline earth metal; X represents halogen or alkoxide; Y represents an alkali metal ion, etc.; A represents optionally substituted methylene; and n represents an integer).Type: ApplicationFiled: January 28, 2008Publication date: April 8, 2010Applicant: WAKO PURE CHEMICAL INDUSTRIES, LTD.Inventors: Norio Miyaura, Yasunori Yamamoto
-
Publication number: 20100041881Abstract: An optically active quaternary ammonium salt compound represented by formula (1), wherein R1 represents a halogen, a C1-8 alkyl which is optionally substituted and which is linear, branched, or cyclic, a C2-8 alkenyl which is optionally substituted, a C2-8 alkynyl which is optionally substituted, a C6-14 aryl which is optionally substituted, a C3-8 heteroaryl which is optionally substituted, a C1-8 alkoxy which is optionally substituted and which is linear, branched, or cyclic, or a C7-16 aralkyl which is optionally substituted; R2 and R21 each independently represents hydrogen, halogen, nitro, a C1-8 alkyl which is optionally substituted and which is linear, branched, or cyclic, a C2-8 alkenyl which is optionally substituted, a C2-8 alkynyl which is optionally substituted, a C6-14 aryl which is optionally substituted, a C1-8 alkoxy which is optionally substituted and which is linear, branched, or cyclic, or a C7-16 aralkyl which is optionally substituted; one of combinations of R1 and R21, and R2 and RType: ApplicationFiled: March 3, 2006Publication date: February 18, 2010Applicant: NIPPON SODA CO., LTD.Inventors: Keiji Maruoka, Yasushi Kubota
-
Publication number: 20090326228Abstract: An ionic liquid is used as liquid matrix for organic synthesis in homogeneous phase on soluble support, the ionic liquid being presented in liquid or solid form at ambient temperature, of formula A1+X1?, A1+ representing a cation, functional or non-functional, or a mixture of cations in which either none of the cations is functional or at least one of the cations is functional, and X1? an anion, functional or non-functional, or a mixture of anions in which either none of the anions is functional or at least one of the anions is functional.Type: ApplicationFiled: May 8, 2009Publication date: December 31, 2009Inventors: Michel VAULTIER, Said GMOUH
-
Publication number: 20090302273Abstract: A liquid crystal compound represented by formula (1), a liquid crystal composition comprising the compound, and a liquid crystal display device comprising the composition: For example, R1 is alkyl having 1 to 20; ring A1, ring A2, ring A3, ring A4, ring A5, and ring A6 are 1,4-cyclohexylene or 1,4-phenylene; Z1, Z2, Z3, Z4, Z5, and Z6 is a single bond; X1 is hydrogen or halogen; l, m, n, o, p, and q are 0 or 1, and l+m+n+o+p+q is 3.Type: ApplicationFiled: June 4, 2009Publication date: December 10, 2009Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATIONInventor: HIROYUKI TANAKA
-
Publication number: 20090176889Abstract: Agents useful for the treatment of various metabolic disorders, such as insulin resistance syndrome, diabetes, polycystic ovary syndrome, hyperlipidemia, fatty liver disease, cachexia, obesity, atherosclerosis and arteriosclerosis are disclosed.Type: ApplicationFiled: February 9, 2007Publication date: July 9, 2009Applicant: WELLSTAT THERAPEUTICS CORPORATIONInventors: Shalini Sharma, Reid W. von Borstel
-
Publication number: 20090143609Abstract: To provide a liquid crystal composition having low viscosity in a wide temperature range and to provide a liquid crystal device excellent in response speed in the wide temperature range, a compound represented by the following general formula (1) or (2) is contained in the composition. In the general formulae (1) and (2), R1 and R2 are each independently selected from alkyl groups, alkoxy groups, F atom, Cl atom, OCF3, CF3, phenyl groups each having a substituent, and phenyl rings each connected with a bridging group and having a substituent.Type: ApplicationFiled: November 28, 2008Publication date: June 4, 2009Inventors: Kotaro Araya, Shintaro Takeda, Hiroyuki Kagawa
-
Patent number: 7527916Abstract: A composition that is photopolymerizable upon absorption of light in the wavelength range from 300 to 450 nm, the composition comprising a binder, a polymerizable compound, a sensitizer and a photoinitiator, characterized in that the sensitizer is an optical brightening agent having a solubility in methyl ethyl ketone of at least 15 g/kg measured at 20° C., allows to produce printing plates without pinhole defects, even if the printing plate precursor is stored before exposure and processing.Type: GrantFiled: September 1, 2004Date of Patent: May 5, 2009Assignee: Agfa Graphics, N.V.Inventors: Paul Callant, Marc Van Damme
-
Patent number: 7524992Abstract: 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 activation agent; b) addition of an acceptor group-bearing derivative; and, simultaneously or in any consecutive order, c) addition of a palladacycle-type compound acting as a catalyst of the coupling reaction between the transferable group and the acceptor group with the creation of the carbon-carbon bond.Type: GrantFiled: August 24, 2004Date of Patent: April 28, 2009Assignee: Rhodia ChimieInventor: Johann Vastra
-
Publication number: 20090103041Abstract: A compound represented by the following general formula (I). (In the formula, R1 is hydrogen or C1-8 alkyl; ring A is 1,4-phenylene, 1,4-trans-cyclohexylene, or 2,6-naphthylene; Z1 and Z2 each are —COO—, —OCO—, —CH2O—, —OCH2—, —CH2CH2—, —CH|CH—, —C?C—, or a single bond; m is 1 or 2; n is 0 or 1; X1 and X2 each are C1-3 alkyl or alkoxy or hydrogen, provided that when one of X1 and X2 is hydrogen, the other must not be hydrogen; Y1 and Y2 each are hydrogen, fluorine, or chlorine; Q is C1-8 saturated or unsaturated alkyl in which all or part of the hydrogen atoms are replaced by a halogen atom; and L is oxygen atom or a single bond.Type: ApplicationFiled: March 14, 2006Publication date: April 23, 2009Applicant: ADEKA CORPORATIONInventors: Masatomi Irisawa, Tomohisa Miura, Hirokatsu Shinano
-
Publication number: 20090023943Abstract: To improve a catalytic activity of a composite oxide, to carry out a reaction in a high yield, and to provide a synthesis reaction catalyst having excellent handling properties and a method of a synthesizing a compound using the same, a synthesis reaction catalyst containing a palladium-containing perovskite-type composite oxide having a specific surface area of 0.5 to 9.5 m2/g is used in Suzuki Cross-Couplings given by the following general scheme (14).Type: ApplicationFiled: March 16, 2006Publication date: January 22, 2009Applicant: DAIHATSU MOTOR CO., LTDInventors: Hirohisa Tanaka, Kimiyoshi Kaneko
-
Publication number: 20080319235Abstract: In a process for the preparation of ring compounds via a combinatorial synthesis, the reaction procedure is based on a Suzuki coupling, subsequent halo-demetallation and finally a further Suzuki coupling. The Suzuki couplings are each carried out with a boronic acid or a boronic acid ester. The reaction procedure uses provides novel ring compounds and uses novel synthesis units used for this purpose. The novel ring compounds are suitable for use as constituents in liquid-crystalline mixtures.Type: ApplicationFiled: August 8, 2008Publication date: December 25, 2008Inventors: Detlef PAULUTH, Peer Kirsch, Peter Baeuerle, Oliver Deeg
-
Publication number: 20080277623Abstract: The invention relates to liquid-crystalline compounds of the formula I and to a liquid-crystalline medium based on a mixture of polar compounds, characterised in that it comprises one or more compounds of the formula I in which R1, X, L1, L2 and L3 have the meanings indicated in Claim 1.Type: ApplicationFiled: June 8, 2005Publication date: November 13, 2008Inventors: Atsutaka Manabe, Elvira Montenegro, Detlef Pauluth
-
Publication number: 20080132716Abstract: Disclosed are compounds of formula I processes for the preparation thereof, and liquid-crystalline media and electro-optical displays containing said compounds.Type: ApplicationFiled: September 12, 2007Publication date: June 5, 2008Inventors: Lars Lietzau, Markus Czanta, Harald Hirschmann, Michael Wittek
-
Patent number: 7220783Abstract: 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 does not suppress or weakly suppresses the production of IgG, IgM and/or IgA which are produced at the same time, a compound of the formula (I): wherein R1–R13 are hydrogen, halogen, lower alkyl, lower alkoxy or the like, X is —O—, —CH2—, —NR14— or —S(O)p- and Y is lower alkyl, lower alkenyl or the like, a process for producing the same and a pharmaceutical composition comprising the same.Type: GrantFiled: November 12, 2003Date of Patent: May 22, 2007Assignee: Shionogi & Co., Ltd.Inventors: Kenji Kawada, Mitsuaki Ohtani, Ryuji Suzuki, Akinori Arimura
-
Patent number: 7126031Abstract: 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/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The catalysts also polymerize propylene into isotactic polypropylene.Type: GrantFiled: September 30, 2004Date of Patent: October 24, 2006Assignee: Symyx Technologies, Inc.Inventors: Thomas R. Boussie, Oliver Brümmer, Gary M. Diamond, Christopher Goh, Anne M. LaPointe, Margaret K. Leclerc, James A. W. Shoemaker
-
Patent number: 7101915Abstract: 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 does not suppress or weakly suppresses the production of IgG, IgM and/or IgA which are produced at the same time, a compound of the formula (I): wherein R1–R13 are hydrogen, halogen, lower alkyl, lower alkoxy or the like, X is —O—, CH2—, —NR14— or —S(O)p— and Y is lower alkyl, lower alkenyl or the like, a process for producing the same and a pharmaceutical composition comprising the same.Type: GrantFiled: July 30, 1997Date of Patent: September 5, 2006Assignee: Shionogi & Co., Ltd.Inventors: Kenji Kawada, Mitsuaki Ohtani, Ryuji Suzuki, Akinori Arimura
-
Patent number: 7091292Abstract: 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. The catalysts have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The catalysts also polymerize propylene into isotactic polypropylene.Type: GrantFiled: April 28, 2005Date of Patent: August 15, 2006Assignee: Symyx Technologies, Inc.Inventors: Thomas Boussie, Oliver Bruemmer, Gary M. Diamond, Anne M. LaPointe, Margarete K. Leclerc, Cynthia Micklatcher, Pu Sun, Xiaohong Bei
-
Patent number: 7074836Abstract: 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 does not suppress or weakly suppresses the production of IgG, IgM and/or IgA which are produced at the same time, a compound of the formula (I): wherein R1–R13 are hydrogen, halogen, lower alkyl, lower alkoxy or the like, X is —O—, —CH2—, NR14— or —S(O)p— and Y is lower alkyl, lower alkenyl or the like, a process for producing the same and a pharmaceutical composition comprising the same.Type: GrantFiled: November 12, 2003Date of Patent: July 11, 2006Assignee: Shionogi & Co., Ltd.Inventors: Kenji Kawada, Mitsuaki Ohtani, Ryuji Suzuki, Akinori Arimura
-
Patent number: 7041856Abstract: 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 independently represent a substituted or unsubstituted aryl group, which process is characterized by reacting an unsaturated organic compound of formula (2): n?(R1X1n)??(2) wherein n, n?, and R1 are the same as defined above, and X1 is the same or different and independently represents a leaving group and bonded with a sp2 carbon atom of R1 group, with a boron compound of formula (3): m{R2(BX22)n?}??(3) wherein R2 and n? are the same as defined above, X2 represents a hydroxy group, an alkoxy group, in the presence of a catalyst containing (A) a nickel compound, and (B) a nitrogen-containing cyclic compound, and the catalyst.Type: GrantFiled: October 22, 2002Date of Patent: May 9, 2006Assignee: Sumitomo Chemical Company, LimitedInventors: Tamon Itahashi, Takashi Kamikawa