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Matches 601 - 650 out of 5,487

Document Document Title
WO/1989/008631A1
A process for the liquid-phase oxyiodination of naphthalene which comprises (1) preparing a liquid-phase feed mixture of iodine and naphthalene and/or iodine, naphthalene and iodonaphthalenes, and (2) contacting the feed mixture with a z...  
WO/1989/004819A1
Derivatives of trifluoromethyl-1-tetralines having the general formula (I), wherein X is a hydrogen atom, a halogen, a hydroxy group, an alkoxy group from C1 to C8 or an optionally substituted aromatic ring; R1 is a hydrogen atom or an h...  
WO/1989/004817A1
Disclosed is a process for continuous preparation of aromatic fluorides wherein aromatic diazonium fluorides are continuously decomposed at low concentration in a reaction system of one or more continuous agitated reactors.  
WO/1989/003812A1
Compounds of formula (I): R1-(Ao)k-(Z1-A1)m-Zo-(E)n-(Q)o-(Z2-A2)p-R2 can be produced easily and in large quantities by transition metal catalysis from organotitanium compounds of formula (II): R1-(Ao)-(Z1-A1)m-Zo-Ti(Y)3 and compounds of ...  
WO/1989/003373A1
A process for iodinating aromatic compounds, comprising the steps of iodinating an aromatic compound, separating a desired iodoaromatic product from the product mixture, purifying said desired iodoaromatic product, and isolating said des...  
WO/1989/003417A1
Polybrominated higher alkylbenzenes may be produced by reacting the corresponding hydrocarbon material with bromine chloride in an excess bromine reaction medium in the presence of an antimony halide catalyst.  
WO/1989/002425A1
This invention relates to fluorinated oligophenyls of formula (I), in which a is 0 or 1 and in which the terminal substituents R1, R2 and R3 are each independently an alkyl or alkenyl residue each with up to 15 C atoms, optionally substi...  
WO/1989/000986A1
A process for the vapor phase iodination of an aromatic compound which involves combusting an alkyl aromatic iodide in the presence of oxygen to produce molecular iodine and feeding the molecular iodine and an aromatic compound to an oxy...  
WO/1988/009322A1
The invention concerns cyclobutane derivatives of formula (I) R1-A1-Z1-A2-(Z2-A3)n-R2, which are suitable components of liquid crystal phases.  
WO/1988/009319A1
A process for preparing substituted alpha-methylstyrene by heating the corresponding alpha-halocumene to a temperature up to 130°C. Water and optionally an organic compound are used as solvent.  
WO/1988/008416A1
Compounds of formula (I), in which Ar is substituted or unsubstituted phenyl, naphthyl, or thienyl; Z is oxygen, sulfur, or methylene; and Ar' is 2-methyl[1,1'-biphenyl]-3-yl, 3-phenoxy-phenyl, 4-fluoro-3-phenoxyphenyl, or 6-phenoxy-2-py...  
WO/1988/008441A1
An electro-optical liquid crystal display element comprises a dielectric with at least two liquid crystal components. In order to shorten the switching time, the dielectric contains at least one fluorine compound of formula (I): R1-(A1-Z...  
WO/1988/007987A1
An improved process is disclosed for preparing aromatic fluorides by diazotization-fluorination in hydrogen fluoride wherein the diazotized reaction mixture includes an oxidizing agent such as nitrosonium ion from excess diazotization ag...  
WO/1988/007511A1
The invention relates to a process for isomerizing iodoaromatic compounds over a non-acidic zeolite catalyst in the liquid or gas phase in the presence of a source of iodine.  
WO/1988/007513A1
The invention relates to a process for the vapor phase bromination of aromatic compounds in the presence of oxygen and a catalyst containing an oxidizing metal and an inert support.  
WO/1988/007514A1
Tolanes having the formula (I): R1-(A1-Z1)m-A3-C=C-A4-(A2)n-R2, in which R1, A1, Z1, m, A3, A4, A2, n and R2 are as given in claim (1), and application of said tolanes as components of liquid crystal phases, particularly as components of...  
WO/1988/007512A1
The invention relates to a process for isomerizing and transiodinating iodoaromatic compounds over a non-acid catalyst.  
WO/1988/007516A1
Ethine derivatives of the formula R1-(A1-Z1)m-A3-C=C-A4-(Z2-A2)n-R2, in which R2 = -OCF3'-OC2F4H or -OC2F5 are suitable as components of liquid crystal phases.  
WO/1988/007510A1
The invention relates to a process for isomerizing liquid iodoaromatic compounds over an acid catalyst.  
WO/1988/007509A1
A process for iodinating an aromatic compound in which a source of iodine is reacted with the aromatic compound in the presence of oxygen over a non-acid catalyst wherein the aromatic compound in the presence of oxygen over a non-acid ca...  
WO/1988/007523A1
Compositions containing the structural constituents -A3-C=C-A4-in which A3 and A4 each independently represent; a) a 1,4-phenylene residue, in which one or more non-adjacent CH groups may be replaced by N; b) a 4,4-biphenylene residue, i...  
WO1988002357A3  
WO/1988/002357A2
Compounds having formula (I): R1-(Ao)k-(Z1-A1)m-Zo-(E)n-(Q)o-(Z2-A2)p-R2, can be easily produced in high yields from organic zinc compounds having formula (II): R1-(Ao)k-(Z1-A1)m-Zo-ZnY and compounds having formula (III): X-(E)n-(Q)o-(Z2...  
WO/1988/002358A1
Process for iodination of aromatic compounds in the presence of oxygen over a zeolite catalyst.  
WO/1987/006602A1
Trifluortoluol derivates having formula (I), in which R1 means alkyl with 1 to 12 C atoms, in which one or several non-adjacent CH2 groups may be substituted by -O-, -CO-, -O-CO-, -CO-O-, -O-CO-O-, -CH halogen, -CH-CN- and/or -CH=CH-; A1...  
WO1987005293A3  
WO/1987/005293A2
Cyclohexane derivates have formula (I), in which: R is an alkyl group with 1-12 C atoms in which one or two non-adjacent CH2-groups may also be substituted with O, -CO-O- or -OCO-, A1 and A2 are independently from each other trans-1,4-cy...  
WO/1987/005015A1
Optically active compounds of the cyclohexane series can be used as components of chirally tilted smectic liquid crystal phases.  
WO/1987/004150A1
A process for preparing fluoroaromatic compounds (such as fluoronitrobenzene compounds) by reaction of corresponding chloroaromatic compounds (such as chloronitrobenzene compounds) with alkali metal fluoride salts in the presence of alky...  
WO/1987/003581A1
Dispirotetradecane of formula (I), in which R1 and R2 are, independently of one another, alkyl with 1 to 12 C atoms, wherein also one or several non-adjacent CH2 groups may be replaced by -O-, -CO-, -CO-O-, -O-CO-, -O-COO-, and/or -CH=CH...  
WO/1987/001113A1
Polycyclic compounds which comprise at least one bicyclo(2.2.2)-octane ring and are suitable as components of liquid crystal phases for field and/or bistable effect displays.  
WO/1987/000519A1
Process for the production of acids of formula (IV) where R is 2-fluoro-4-(1,1'-biphenyl), 4-(2-methylpropyl)phenyl, 6-methoxy-2-napthyl, 3-benzoylphenyl, 4-(2-thienylcarbonyl)-phenyl or 7-chlorocarbazole-3-yl which comprises contacting ...  
WO/1986/005484A1
Cyclohexane derivatives of formula R1-A1-Z1-A2-R2 in which R1 and R2 in each case are H, an alkyl group with 1-10 C atoms, in which also one or two non-neighboring CH2 groups can be replaced by O atoms and/or -CO groups and/or -CO-O grou...  
WO/1986/005486A1
Cyclohexane derivatives of formula R1-A1-Z1-A2-R2 in which R1 and R2 are in each case an alkyl group with 1-10 C atoms, in which also one or two non neighboring CH2 groups can be replaced by O atoms and/or -CO- groups and/or -CO-O- group...  
WO/1986/002847A1
Toxic chemicals such as polychlorinated biphenyls and other organic wastes are destroyed, optionally together with inorganic wastes, by injecting them, together with oxygen, into a molten bath such as is utilized in a steelmaking facilit...  
WO/1986/001511A1
Derivatives of diphenylhexafluoropropane having formula (I) where R is an alkyl, alkylene, carbonyl, carboxy, acyl, aryl, epoxy, silyl or siloxy group; and where X and Y are hydrogen or halogen. The derivatives are useful in formulating ...  
WO/1985/005354A1
Benzylic and aromatic mercaptans are desulphurised by contacting the mercaptan with carbon monoxide at elevated temperatures in the presence of an aqueous hydrocarbon and a cobalt carbonyl catalyst.  
WO/1985/005355A1
Process for the preparation of an aromatic hydrocarbon with a cyclobutene ring fused to the aromatic hydrocarbon which comprises, dissolving an ortho-alkyl halomethyl aromatic hydrocarbon in an inert solvent and pyrolyzing the solution o...  
WO/1985/004874A1
Anisotropic compounds of formula (I) wherein R is an alkyl, alkoxy, oxaalkyl, alkenyl or alkanoyloxy group with the alkyl part comprising between 1 and 12 atoms of carbon, with a straight or branched and optionally chiral chain; X2 and X...  
WO/1985/004651A1
Pesticidal compounds of formula (I), RACR3=CR4CHDRB, in which formula RA represents a group ArCR1R2 - in which Ar represents a phenyl or naphthyl group optionally substituted by one or more halogen, alkoxy, haloalkoxy, methylenedioxy, C1...  
WO/1985/003306A1
Hardly inflammable and biologically degradable functional liquid comprising at least one bromine-containing benzyl toluol derivative having the general formula (I) wherein x is 1 or 2, x' is 0 or 1, y is 0, 1 or 2, y' is 0, 1 or 2, z is ...  
WO/1985/002174A1
The present invention pertains to uses for diphenylhalonium ion having formula (I), to elicit sodium nitroprusside-like effects in vivo, and to enhance cardiac contractility. Heretofore, sodium nitroprusside, which must be administered i...  
WO/1984/002903A1
Compounds of formula (I), wherein the two groups Ro together form a radical of formula (II) or -(CH2)4-, wherein R2 is hydrogen, C1-4 alkyl, C1-4 alkoxy, (except t-butoxy), trifluoromethyl, fluoro, chloro, phenoxy or benzyloxy, R3 is hyd...  
WO/1984/001147A1
Compounds with arthropodicidal activity having the general formula (I), wherein R1 is a halo group; or a lower alkyl, lower alkoxy or lower alkylthio group, in each of which the alkyl group may be substituted with one or more halo groups...  
WO/1983/004259A1
A process for the removal and detoxification of polychlorinated biphenyls (PCBs) present in dielectric or other fluids, such as transformer oil, employing polyethylene glycol as the primary extractant, cyclohexane as a secondary extracta...  
WO/1982/003025A1
A reagent comprising the product of the reaction of an alkali metal hydroxide with a polyglycol or a polyglycol monoalkyl ether and oxygen, effects complete decomposition of halogenated organic compounds, such as polychlorinated biphenyl...  
WO/1980/001163A1
Substituted (1,1'-biphenyl)-3-ylmethyl 3-(2,2-dihaloethenyl)-2,2-dimethylcyclopropanecarboxylates, as well as processes, uses, and intermediates thereto. The substituted (1,1'-biphenyl)-3-ylmethyl 3-(2,2-dihaloethenyl)-2,2-dimethylcy-clo...  
JP2016510295A
本発明は、グラフェン、グラフェンナノリボ ン、グラフェン分子、またはこれらの混合物 から選択されるグラフェン材料を、エッジハ ロゲン化グラフェン材料を得るように、...  
JP5900920B2  
JP5900182B2  

Matches 601 - 650 out of 5,487