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JP2011201877A |
To provide a method for easily producing a reduced form such as trifluoroethylene and 1,1-difluoroethylene by reducing available TFE (tetrafluoroethylene).The method for producing trifluoroethylene and/or 1,1-difluoroethylene is characte...
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JP4792735B2 |
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JP4786876B2 |
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JP4782329B2 |
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JP2011184304A |
To provide a silane coupling agent that strongly binds to a substrate and has excellent heat resistance, mold releasability and antifouling property such that a surface modified by the compound does not show any decrease in contact angle...
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JP4776996B2 |
A method for the synthesis of TFPX (alpha, alpha, alpha', alpha'-tetrafluoro-p-xylene) is disclosed, which comprises the following steps: (a) providing a sulpholane solution comprising TCPX (alpha, alpha, alpha', alpha'-tetrachloro-p-xyl...
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JP2011173838A |
To provide a manufacturing process which can industrially simply obtain high-purity bromomethylcyclopropanes in a high yield.The process for manufacturing bromomethylcyclopropanes by brominating cyclopropylmethanols comprises brominating...
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JP4768760B2 |
The present invention relates to polyacene derivatives represented by general formula (I) below: (wherein R<1> to R<10>, etc. each represents hydrogen atom, hydrocarbon group, or an alkoxy group; A<1> and A<2> are hydrogen atom, a haloge...
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JP4752110B2 |
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JP4751596B2 |
To provide durable blue and multicolor light-emitting elements having excellent luminous characteristics. The light-emitting element has a luminous layer or a plurality of organic compound layers containing the luminous layer between a p...
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JP4751595B2 |
To provide a durable light-emitting element having excellent luminous characteristics. The light-emitting element has a luminous layer or a plurality of organic compound layers containing the luminous layer between a pair of electrodes. ...
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JP4744056B2 |
The present invention relates to polyacene derivatives represented by general formula (I) below: (wherein R<1> to R<10>, etc. each represents hydrogen atom, hydrocarbon group, or an alkoxy group; A<1> and A<2> are hydrogen atom, a haloge...
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JP4722490B2 |
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 derivat...
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JP2011518765A |
New methods for producing difluoromethylene-containing compounds with phenylsulfur trifluoride or a primary alkyl-substituted phenylsulfur trifluoride are disclosed. Also, new methods for producing trifluoromethyl-containing compounds wi...
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JP2011111400A |
To provide a novel cyclic aliphatic dihalide expected to be useful as a raw material of a monomer used for obtaining a polyamide resin or a polyurethane resin or as an intermediate for raw materials of pharmaceuticals and agrochemicals, ...
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JP2011105691A |
To provide a method for producing a trifluoromethylcyclopropane compound by using a readily handleable raw material without using trifluoromethyldiazomethane which is hard to handle as a raw material.There is provided the method for prod...
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JP2011516517T |
The present invention provides the new and advantageous process for manufacture of chemical compounds, such as medicine, and refining. The process concerned adds desorption machine L of substrate S to refining portions M in share in the ...
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JP2011516517A |
The present invention provides novel and advantageous processes for preparing and purifying chemical compounds such as pharmaceuticals. The processes comprise a nucleophilic substitution reaction with a moiety X wherein the leaving group...
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JP4667607B2 |
Compounds of the formula (I)in which:R1 is an alkyl radical having 1 to 8 carbon atoms or an alkenyl radical having 2 to 8 carbon atoms, where, in each case, one (nonterminal) -CH2- group may also be replaced by -O- or -C(=O)O- and/or on...
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JP2011509907A |
The invention relates to a method for reducing the content in elements of the third main group of the periodic system, especially in boron- and/or aluminum-containing compounds of technically pure halosilanes for producing purified halos...
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JP4621687B2 |
The present invention discloses keto derivatives of 5,5,6,7,8,8-hexamethyl-hexahydronaphthalene or keto-epoxy derivatives of 5,5,6,7,8,8-hexamethyl-octahydronaphthalene which are useful perfuming ingredients having a musky-earthy character.
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JP4619054B2 |
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JP4601253B2 |
The invention relates to 2,4'-substituted 6-cyclohexyl-trans-decalins of the general formula I in which R1, R2 and Z are as defined in Claim 1 , to the use thereof as components of liquid-crystalline media, and to a liquid-crystal displa...
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JP4589329B2 |
The present invention relates to novel nitrogen-containing monodentate phosphane ligands of formula (I) and to their use in catalytic reactions, especially in the improvement of haloaromatic compounds.
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JP4581322B2 |
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JP4573069B2 |
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JP4567450B2 |
The invention relates to novel monocarbene complexes of nickel, palladium or platinum with electron-deficient olefin ligands, to their preparation and to their use in the homogeneous catalysis of organic reactions.
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JP4552451B2 |
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JP4547898B2 |
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JP2010195722A |
To provide a process which can synthesize a 2,7-bishalomethylfluorene of formula (1) with a high selectivity and can isolate and purify the fluorene of high purity by a simple method of recrystallization.The process for producing the 2,7...
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JP4541986B2 |
A method for transferring TCPX (alpha, alpha, alpha', alpha'-tetrachloro-p-xylene) into TFPX (alpha, alpha, alpha', alpha'-tetrafluoro-p-xylene) is disclosed, which comprises the following steps: (a) providing a first reactant comprising...
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JP4538634B2 |
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JP4532293B2 |
This invention relates to a process for the preparation of 1,1-difluoroolefins, e.g., difluorovinyl cycloaliphatic compounds such as difluorovinylcyclohexane and derivatives by the dehydrofluorination of a trifluoromethyl-substituted cyc...
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JP4518247B2 |
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JP4513351B2 |
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JP4502293B2 |
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JP4503184B2 |
Provided is a process for producing a 2-(4-alkylphenyl)ethyl bromide, and the use thereof in the manufacture of 2-amino-2-Ä2-(4-alkylphenyl)ethylÜpropane-1,3-diols.
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JP4498744B2 |
The present invention relates to a non-hazardous brominating reagent from an aqueous alkaline bromine byproduct solution obtained from bromine recovery plant and containing 25 to 35 % bromine dissolved in aqueous lime or sodium hydroxide...
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JP4497721B2 |
The present invention relates to novel arylphenyl-substituted cyclic ketoenols of the formula (I)in whichX represents halogen, alkyl, alkoxy, alkenyloxy, alkylthio, alkylsulphinyl, alkylsulphonyl, halogenoalkyl, halogenoalkoxy, halogenoa...
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JP4493735B2 |
A polymer electroluminescent device (1) comprises an electroluminescent layer (7) of a poly(1,4-phenylenevinylene) having aryl-1,4-phenylene units, where the aryl group is a phenyl, naphthyl or biphenylyl group. Using such a poly(1,4-phe...
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JP4492206B2 |
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JP4474700B2 |
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JP4474699B2 |
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JP4478842B2 |
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JP4472734B2 |
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JP4472676B2 |
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JP4450875B2 |
Nucleophilic reactant used for grafting a substd. difluoromethyl gp. onto an electrophilic cpd., comprises: (a) a fluorocarboxylic acid of formula Ea-CF2-COOH where Ea is electron-attracting atom or gp. at least partially salted by organ...
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JP2010059165A |
To provide a new and stable liquid-crystalline or mesogenic compound having highly negative DC(dielectric constant) anisotropy and suitable as a component of a liquid crystal medium, to provide such a liquid crystal medium, and to provid...
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JP4407784B2 |
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JP4410613B2 |
A method and a device for purifying 1,4-bis (bromodifluoromethyl) benzene are disclosed. In order to solve the problem of hard to purify and separate 1,4-bis (bromodifluoromethyl) benzene crude products, diphenylmethane that has a higher...
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