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Matches 651 - 700 out of 1,210

Document Document Title
JP3192515B2
PURPOSE: To obtain a halofluorinated product of various alkenes under relatively mild condition in high yield, stereoselectivity and site selectivity. CONSTITUTION: An alkene is made to react with a fluorination agent consisting of a tet...  
JP2001506252A
(57) G among: type about the fluorination phenanthrene derivative by which summary book invention is expressed with following formula (I), * Are CHF*CH* or *CF=CH* and;E, E, E, E, E, and E, Or it is different, and it is *CH*, *CF*, or *N...  
JP2001505926A
(57) The above-mentioned method characterized by a pel fluorocarbon compound existing in a reaction medium in the method of fluorinating an organic compound including making a summary organic compound react to a fluorinating agent. The p...  
JP3162380B2  
JP3154128B2  
JP3151216B2  
JP3130042B2  
JP3151929B2
PURPOSE: To provide a new fluorocyclohexene derivative applicable to liquid crystal display devices with wide angle of field of view because of being capable of obtaining a liquid crystal composition with reduced refractive index anisotr...  
JP2001010995A
To obtain a new compound useful for synthesizing 6-fluoronaphthalene derivatives which are liquid-crystalline compounds.A compound of formula I [S is a 1 to 16C alkyl, a 1 to 16C alkoxy, a 2 to 16C alkenyl or the like; the ring A and the...  
JP2001010991A
To obtain a new tetralin which can largely lower threshold voltage without deteriorating responsibility and is useful for liquid crystal displays.A compound of formula I [R is a 1 to 20C alkyl, an alkoxy, an alkoxyalkyl, an alkenyl or th...  
JP2001010994A
To obtain a new compound which is extremely useful for producing fluoronaphthalene derivatives suitable as liquid crystal materials.A compound of formula I [S is a 1 to 16C alkyl, a 1 to 16C alkoxyl, a 2 to 16C alkenyl or the like; the r...  
JP2000344693A
To provide a new diarylethene compound having excellent fading property in addition to durability to repeated use and useful for an organic photochromic film, etc.The objective diarylethene compound is expressed by formula I [(n) is 2-5;...  
JP2000332001A
To provide a gas for plasma reaction, consisting of octafluorocyclopentene, having improved etching performance and a manufacturing method thereof. The purity of octafluorocyclopentene in this gas is not less than 99.9 vol.% with respect...  
JP3128786B2
PURPOSE: To produce an isomer mixture capable of giving a copolymer having excellent heat-resistance and mechanical strength when copolymerized with ethylene by contacting an endo isomer in a mixture of aromatic group-containing norborne...  
JP2000309552A
To obtain the new subject compound having an alkenyl group or an alkadienyl group in a bicyclohexyl group and useful as a nematic liquid crystal material having a low viscosity and expressing a high NI point. This fluorobicyclohexylbenze...  
JP3126465B2
PURPOSE: To prepare perhalogenated olefins in high yield and high selectivity from the corresponding perhalogenated alkanes. CONSTITUTION: The perhalogenated olefin is prepared by reacting a perhalogenated alkane containing at least 2 ca...  
JP2000514062A
(57) Summary book invention offers some synthetic methods and the separation method of being effectively separable with organic matter / fluorine system phase separation technology. The present invention offers the new compound about the...  
JP2000247912A
To provide a method suitable for producing 1,1,2,2,3,3,4 heptafluorocyclopentane useful for a solvent, a detergent or the like at high selectivity and yield on an industrial scale. 1,1,2,2,3,3,4-Heptafluorocyclopentane is produced by the...  
JP3086802B2  
JP2000229894A
To purify a fluorinated unsaturated hydrocarbon in high purity by bringing a distillation fraction of a reaction mixture of a specific fluorinated unsaturated hydrocarbon into contact with zeolite, thereby efficiently removing an alcohol...  
JP2000226345A
To obtain a perhalogenated cyclopentene by a method capable of reducing load to an apparatus and suitable for industrial production in fewer steps by reacting perchlorocyclopentadiene with chlorine and hydrogen fluoride in the presence o...  
JP2000226344A
To obtain a new compound being phenyldecahydronaphthalene to which an alkenyl group is directly bonded, having wide nematic phase temperature range and small refractive index, anisotropy, enabling driving at low voltage and high speed re...  
JP2000226346A
To obtain heptafluorocyclopentane in high yield and selectivity by reducing dichlorooctafluorocyclopentane with hydrogen in the presence of a hydrogenation catalyst comprising a metal of the group VIII of periodic table. (A) 1,1-Dichloro...  
JP2000198752A
To provide a method for producing a chlorofluorocyclopentane useful as a raw material for producing a fluorinated cyclopentane in an industrial scale. This method for producing a chlorofluorocyclopentane of formula III: C5ClDF10-D (D is ...  
JP2000169403A
To obtain a stable new compound useful as a liquid crystalline medium, especially the liquid crystalline medium for TFT or STN display, and having negative or positive dielectric anisotropy and especially small optical anisotropy Δn.Thi...  
JP2000143560A
To provide a method for chlorinating a cycloalkene, capable of being industrially carried out and capable of extremely low reducing the production of a by-product, 4-chlorocyclohexene, by chlorinating the cycloalkene in the coexistence o...  
JP3044829B2  
JP3044830B2  
JP3044828B2  
JP2000136153A
To provide a method for producing cyclopentyl chloride, capable of profitably producing the cyclopentyl chloride in a high yield by reacting cyclopentene with hydrogen chloride. This method for producing cyclopentyl chloride comprises re...  
JP2000119203A
To provide a new hydrofluorocarbon composition having excellent distillation recovering property for reducing environmental pollution or a convenience of re-using and also provide a method for its recovery.This heptafluorocyclopentane co...  
JP2000086549A
To obtain an organic electroluminescent element excellent in luminous efficacy and capable of emitting high luminance by placing at least one layer containing a specific fluoranthene derivative between a pair of electrodes. This organic ...  
JP2000086548A
To produce the subject compound by a method suitable for a large industrial scale production by reducing a dihalogenohexafluorocyclopentene with hydrogen gas by using a specific catalyst. A compound of formula I (x is a halogen or H) [1,...  
JP2000080051A
To effectively obtain 1,1,9,9-tetrabromo-[2,2]-paracyclophane in a short time without using carbon tetrachloride as the solvent which is difficult to use in an industrial scale by carrying out the bromination of a specific paracyclophane...  
JP2000072698A
To provide a method for producing octachlorocyclopentene, by which the metals used as a catalyst can be readily separated and removed from the reaction product. The method for producing octachlorocyclopentene by chlorinating hexachlorocy...  
JP2000038370A
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 ...  
JPH11335309A
To obtain a fluorinated unsaturated hydrocarbon useful as a raw material for producing substitutes for CFC (fluorocarbons) in the presence of a relatively small amount of a catalyst in a high yield by subjecting a chlorofluorocarbon to a...  
JPH11323318A
To obtain a composition for a refrigerant, useful as a replacement for Refrigerant 502, which has reduced ozone depletion potential and flame- retardancy, by combining an effective amount of pentafluoroethane (HFC-125) or 1,1,1-trifluoro...  
JPH11322644A
To effectively and economically produce a hydrofluorocarbon having a bond of -CClF-CF2-. This method is conducted by hydroreducing a chlorofluorocarbon having a bond of -CClF-CF2- in a polar solvent in the presence of a rare metal cataly...  
JPH11513689A
(57) Summary 1, 4* bis (ブロモジフルオロ methyl) benzene (dibromide), The reaction agent chosen from the group which consists of 1 and 4* bis (クロロジフルオロ methyl) benzene (dichloride) and 1, and 4* bis (iodine ジフ...  
JPH11322645A
To provide an industrially implementable stable chlorination of cycloalkene with a little byproduct of chlorocycloalkene. This method for chlorinating cycloalkene by using chlorine is conducted by using cycloalkene in an excessive ration...  
JP2993390B2
PURPOSE: To provide a near-azeotropic blend which is used as a refrigerant, etc., and is useful as a substitute for R-205. CONSTITUTION: This blend comprises pentafluoroethane, 1,1,1-trifluoroethane, and at least one compd. selected from...  
JP2988629B2
To obtain a new compound scarcely having possibility of destructive decomposition, almost free from producing a gaseous by-product in high ratio therewith and having effective fluorination ability and having higher heat stabil ity. This ...  
JPH11269150A
To obtain a new compound scarcely having possibility of destructive decomposition, almost free from producing a gaseous by-product in high ratio therewith and having effective fluorination ability and having higher heat stabil ity. This ...  
JPH11269106A
To highly selectively produce the subject compound in a high yield by maintaining the concentration of chlorine within a constant range on a chlorination reaction and keeping the reaction temperature within a specified range. This method...  
JP2945693B2
This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.  
JP2941444B2  
JPH11508890A
(57) : E, E, E, E, E, and E in which a sign and a subscript have a meaning of the following among a summary type (I) : type, It is the same or different, are *N*, *CF*, or *CH*, and;G is *CFCF* or *CF=CF*, and;R and R, For example, altho...  
JP2918063B2  
JPH11152237A
To provide a method for producing a perhalogenated fluorocyclopentene, suitable for a production on an industrial scale. This method for producing a perhalogenated cyclopentene of the general formula (2) C5ClBF8-B (B is an integer of 1-7...  

Matches 651 - 700 out of 1,210