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JP3622231B2 |
A 1,1,2-trifluoro-2-(trans-4-substituted cyclohexyl)ethylene of the formula (1): R-(A)m-Cy-CF=CF2 (1> wherein R is a C1-10 alkyl group, a halogen atom or a cyano group, provided that in the case of the alkyl group, an oxygen atom may be ...
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JP2005035936A |
To provide a photochromic material( compound ) whose reversible change between colored state and not colored state is quickly responsive to light or heat.The photochromic material is a cyclohexadiene compound represented by the formula(I...
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JP3617848B2 |
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JP3619020B2 |
To obtain a fluorinating agent capable of being produced in an industrial method further improved technically and economically, and excellent in economics by constituting the agent of a specific organic compound. This novel fluorinating ...
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JP2005503352A |
Disclosed are processes for the recovery and purification of higher diamondoids from a hydrocarbonaceous feedstock. Specifically disclosed is a multi-step recovery process for obtaining diamondoid compositions enhanced in tetramantane co...
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JP2005023057A |
To provide a method for efficiently producing an organic compound of which halogen atoms are substituted with nucleophilic agent by allowing the halogen compound having the halogen atom that is connected to the carbon atoms forming the Ï...
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JP2005501898A |
The present invention describes immobilized haloenamine reagents, immobilized tertiary amides, methods for their preparation, and methods of use.
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JP2004346000A |
To provide a chemically recycling technique( method ) capable of extracting tetrafluoroethylene low-molecular monomer and dimer from a PTFE-containing material without trouble attributable to using steam.The chemically recycling method c...
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JP3581514B2 |
- Preparation of alkyl halides (I) from cycloaliphatic olefins (II) with 5-16 carbon (C) atoms and concentrated hydrohalic acid comprises carrying out the reaction at a temperature below the b.pt. of (II), without adding catalyst or solv...
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JP3579726B2 |
PURPOSE: To provide a new liquid crystal compound having, as a liquid crystal material, such excellent characteristics as low viscosity, low liquid crystal range and good compatibility, and also stable under circumstances for its normal ...
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JP2004531508A |
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-)k3-(-Z4-A4-)k4-R2I in which W denotes the sub-formula L1 and L2, independently of one another, ar...
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JP3574871B2 |
PURPOSE: To provide the compound represented by a specific formula, highly chemically stable against heat, light, water, etc., relatively small in dielectric constant anisotropy and refractive index anisotropy, excellent in compatibility...
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JP3575049B2 |
PURPOSE: To obtain a liquid crystal compound being a new fluorocyclopropane derivative having high upper limit temperature of liquid crystal phase and not having so large dielectric anisotropy and capable of lowering threshold voltage of...
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JP2004529981A |
A method of reacting a first non-fluorous compound to produce a second non-fluorous compound includes the steps of: contacting a first non-fluorous phase including the first non-fluorous compound with a first fluorous phase at a first ph...
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JP2004262780A |
To provide a method for efficiently producing an asymmetrical cyclic fluoroolefin industrially useful as a medicinal or agricultural chemical intermediate, a raw material monomer for a fluorine-containing polymer or an electronic materia...
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JP3564711B2 |
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JP2004244343A |
To provide a method for producing a high-purity purified product useful as an intermediate for a medicine, an agrochemical, or the like, from crude 2-bromoindene obtained by dehydration reaction of indenebromohydrin(1-hydroxy-2-bromoinda...
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JP2004217525A |
To provide a method for producing an organic chlorine compound, by which the organic chlorine compound can efficiently be produced from an alcohol compound in a nearly neutral mild reaction state in a high yield.This method for producing...
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JP3544670B2 |
Disclosed herein are polymers made by free radically polymerizing the novel compound vinyl(perfluorocyclopropane), and optionally other monomers to form copolymers. The repeat unit formed by vinyl(perfluorocyclopropane) contains an olefi...
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JP3541410B2 |
PURPOSE: To obtain a difluoroethylene derivative compound having low viscosity, effective for improving the response speed of a liquid crystal composition by the addition of only a small amount of the compound, enabling low-voltage drivi...
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JP2004189655A |
To provide a method for progressing the fluorination reaction of a substrate safely and efficiently within a short time under gentle conditions.The substrate and a fluorinating agent such as an HF-base complex are reacted in the presence...
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JP2004186158A |
To provide an improved organic light emitting device for the expectation of consumers for better efficiency, longer life, and pure color.In the organic light emitting device (OLED), paracyclophane or paracyclophane derivative is used as ...
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JP2004517989A |
Higher diamondoid derivatives capable of taking part in polymerization reactions are disclosed as well as intermediates to these derivatives, polymers formed from these derivatives and methods for preparing the polymers.
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JP3532934B2 |
PURPOSE: To simply obtain partially new fluorocyclopropanes useful as intermediates for medicines, agricultural chemicals, etc., at a low cost. CONSTITUTION: A compound of formula I (n is integer of 1-6; R is H, X, OH, 1-6C alkyl, 2-6C a...
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JP2004123605A |
To provide a method for highly selectively, efficiently and safely advancing the fluorination reaction of a desired substrate.This fluorination method comprises reacting a specific fluorine compound such as N, N-diethyl-α, α-difluoro-(...
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JP2004115411A |
To provide a method whereby a hardly decomposable solid organic halogen compound such as a persistent agrochemical [e.g. hexachlorocyclohexane (BHC) or hexachlorobenzene (HCB)] is properly decomposed though the method uses an alkali meta...
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JP3512412B2 |
PCT No. PCT/EP94/01079 Sec. 371 Date Oct. 20, 1995 Sec. 102(e) Date Oct. 20, 1995 PCT Filed Apr. 7, 1994 PCT Pub. No. WO94/25424 PCT Pub. Date Nov. 10, 1994Fullerene derivatives, methods of preparing the same and methods of using the sam...
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JP3508159B2 |
PURPOSE: To provide a new trifluorocyclopropane derivative useful for various liquid crystal display elements wide in applicable temperature range and required for low-voltage driving, esp. as a liquid crystal material for active matrix ...
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JP3500617B2 |
PURPOSE: To provide a method for highly selectively producing exafluorocyclobutene and hexafluorocyclobutane by using raw aterials available at low cost. CONSTITUTION: Hexafluorocyclobutene is synthesized by dechlorinating 1,2- dichloroh...
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JP2003335708A |
To provide a method for making a halogen atom-containing organic compound or a liquid state, powdery or lump state material containing the halogen atom as harmless efficiently.This method for decomposition-treating the halogen atom- cont...
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JP2003335707A |
To provide a method for decomposition-treating an organic halogen compound by heating a catalyst at an optimum temperature in advance for efficiently promoting the catalytic reaction so as not to generate dioxins, etc., from the organic ...
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JP2003284920A |
To provide a detoxification method for an object polluted with an organochlorine compound, adaptable even to relatively small-sized on-site treatment.The detoxification method for a harmful pollutant includes a first process for heating ...
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JP3452144B2 |
PURPOSE: To obtain the derivative having a structure expressed by a specific structural formula, capable of reducing the viscosity of a liquid crystal composition without narrowing a liquid crystal temperature region, having extremely go...
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JP3450323B1 |
To provide a heat decomposition treatment method which can heat- decompose a halogen atom-containing organic compound while minimizing the discharge of a halogen component (particularly chlorine) and benzene to the outside of a system. I...
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JP2003261481A |
To obtain new readily synthesized materials of a monomer, an oligomer and a polymer comprising 2,6-azulene groups and having high charge mobility, good processability and improved oxidation stability and used as semiconductors or charge ...
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JP2003525863A |
This invention relates to the production of an hexabromocyclododecane product, which process comprises brominating cyclododecatriene in the presence of a 1,4-dioxane and water based solvent and from about 0.5 to about 30 wt % bromide ion...
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JP3433756B2 |
PURPOSE: To provide a chemically stable new compound excellent in the compatibility with matrix liquid crystal, capable of effectively lowering threshold voltage along with expanding the temperature range for liquid crystal phase by its ...
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JP3434288B2 |
To provide an important intermediate for the production of a chiral metallocene complex suitable as a catalyst component for olefin polymerization. The objective substituted indene compound can be produced by reacting a compound of formu...
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JP2003212796A |
To effectively make an agrochemical embedded in soil harmless, and furthermore make the soil containing the agrochemical harmless.This method of disposal of the agrochemical comprises vaporizing or thermally decomposing the agrochemical ...
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JP3423021B2 |
PURPOSE: To provide a new compound exhibiting a low viscosity and a high- speed responsibility, excellent in light stability and useful for a liquid crystal display device, etc. CONSTITUTION: A compound of formula I (A3 is a trans-1,4-cy...
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JP3421031B2 |
The azeotropic and azeotrope-like compositions of 1,1,1,2-tetrafluoroethane and one of 1,1-difluoroethane, 1-chloro-1,1,-difluoroethane, dimethyl ether, perfluorocyclobutane, n-butane, isobutane and 1,1,1,2,3,3,3-heptafluoropropane, and ...
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JP3402736B2 |
PURPOSE: To obtain a fluorine-based insert liquid, generating extremely rare hydrogen fluoride in use under heated conditions and useful for an electrical insulating liquid, etc., by bringing a fluorine-based inert liquid into contact wi...
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JP3397435B2 |
PURPOSE: To obtain a fluorine-based inert liquid hardly generating hydrogen fluoride in use under heated conditions by bringing the fluorine-based inert liquid into contact with water or steam within a specific temperature range of high ...
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JP2003512342A |
The present invention provides a method of selectively fluorinating a carbon-hydrogen bond at an unactivated saturated sp<3> hybridised carbon atom of an organic compound, the method including reacting the organic compound with elemental...
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JP2003040931A |
To provide a photoresist monomer and a photoresist polymer, usable even in a light source of VUV (157 nm). A photoresist monomer shown by formula (1), a polymer thereof and a photoresist composition using this polymer are provided. In th...
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JP2003501552A |
A process is disclosed for producing perfluoroolefins of the formula CF(R<1>f)=CF2, where R<1>f is F or CF3. The process involves (a) perfluorinating cyclobutanes of the formulawhere R<2>f is F or CF3, and where one R<1 >is H and the oth...
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JP3366351B2 |
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JP2002540177A |
The invention provides a method of selectively fluorinating an organic compound at an unactivated saturated sp<3> hybridised carbon atom, the method comprising reacting the compound with a fluorinating agent containing an N-F bond. The c...
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JP2002538128A |
A process for forming 4-ketocyclopentene and substituted 4-ketocyclopentene compounds starting from the corresponding 1-carbohydrocarbyloxy-2-keto-4-hydroxy-5-cyclopentene by reduction followed by decarboxylation.
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JP2002537283A |
New Phenylalaninol derivatives (I). Phenylalaninol derivatives of formula (I) are new: [Image] X : a benzamide group of formula (i), a heterocyclyl-amide group of formula (ii) or an imidazolin-3-yl-4-one group of formula (iii): [Image] R...
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