Patents
Patents for C07C 25 - Compounds containing at least one halogen atom bound to a six-membered aromatic ring (5,308)
03/1988
03/09/1988EP0259048A2 Chemical compounds
03/09/1988EP0258985A1 Process for preparing fluoroaromatic compounds
03/09/1988CN87105707A Insecticidal and acaricidal alkane and alkoxy alkane derivatives
03/08/1988US4730046 Preparation of aryl halides
03/02/1988EP0257921A2 New 1,3-diaryl cyclopentanes and derivatives thereof as paf antagonists
03/02/1988EP0257866A1 Process for producing 2,5-dichlorotoluene
03/02/1988EP0257049A1 Chiral compounds.
02/1988
02/24/1988EP0256636A2 Biphenylyl ethanes and their use in liquid crystal materials and devices
02/24/1988EP0256480A2 Process for the catalytic trans-halogenation of a polyiodo-benzene and, in particular, of a di-iodo-benzene
02/24/1988EP0256479A2 Process for the catalytic transhalogenation of a poly-iodo-benzene
02/23/1988US4727201 Catalyst of aluminum bromide or aluminum chloride, and free iodine
02/23/1988US4726910 Tolan-type nematic liquid crystalline compounds
02/17/1988EP0255874A2 Preparation of 1,4-Dichlorobenzene
02/16/1988US4725607 Miticides
02/10/1988EP0255700A2 A tolan derivative and a liquid crystal mixture containing the same
02/09/1988US4724269 Process for producing p-chlorobenzenes
02/09/1988US4724097 Liquid crystals
02/02/1988US4723005 Containing polarized cyano or halogen substituents
02/02/1988US4722985 Derivatives of diphenylhexafluoropropane and polymers thereof
01/1988
01/27/1988EP0254305A1 Production of crystalline tribromostyrene
01/27/1988CN87105021A Fluorobenzyl esters
01/27/1988CN87102455A 二苯基醚衍生物 Diphenyl ether derivatives
01/26/1988CA1231961A1 Preparation of cyclobutene substituted aromatic hydrocarbons
01/20/1988EP0253661A2 Method of concentrating crystalline product
01/20/1988EP0253536A2 Fluorobenzyl esters
01/20/1988EP0253191A1 Process for the preparation of (2,2)-Paracyclophane and derivatives thereof
01/19/1988CA1231725A1 Destruction of polychlorinated biphenyls and other hazardous halogenated hydrocarbons
01/13/1988EP0252592A1 Halogenated diphenyl ether derivatives
01/13/1988EP0252402A1 Process for the preparation of (2,2)-paracyclophane and derivatives thereof
01/12/1988US4719258 Rigidity
01/12/1988CA1231332A1 Nuclear chloration of aromatic hydrocarbons with a catalytic composition containing a lewis acid and an n-substituted phenothiazine derivative
12/1987
12/22/1987CA1230617A1 Selective bromination process
12/22/1987CA1230616A1 Method and apparatus for rendering polychlorinated byphenyl toxic free
12/16/1987EP0249257A1 Preparation of aryl halides
12/16/1987EP0248954A1 Process for reducing the amount of DDT-related impurities in 1,1-bis(chlorophenyl)-2,2,2-trichloro-ethanol
12/16/1987EP0248931A1 Process for producing p-chlorobenzenes
12/16/1987EP0248861A1 Dispirotetradecane.
12/16/1987CN87100230A Fluoration catalyst and its applications
12/15/1987US4713468 Low viscosity
12/08/1987CA1230129A1 Diacetylenes having liquid crystal phases
12/02/1987CN87103809A Tetrahydronaphthaline and indane derivatives
12/01/1987US4710315 Anisotropic compounds and liquid crystal mixtures therewith
11/1987
11/25/1987EP0246673A1 Process for separating a chlorotoluene isomer
11/24/1987US4709030 4-alkenyl or 2z-alkenyl polyphenyl compounds; electro-optics
11/10/1987US4705905 Tolan-type nematic liquid crystalline compounds
11/10/1987US4705870 Tolan-type nematic liquid crystalline compounds
11/05/1987WO1987006602A1 Smectic liquid crystal phases
11/04/1987CN86108331A Radiohalogenated small molecules for protein labeling
11/03/1987US4704484 Decarboxylation and fluorination with xenon difluoride
11/03/1987US4704483 Fluorination with potassium fluoride
11/03/1987US4704481 Carbon monoxide, cobalt carbonyl catalyst
10/1987
10/27/1987CA1228603A1 Method of preparing tetrahalobenzene
10/22/1987WO1987005293A3 Cyclohexane derivates
10/07/1987EP0240121A2 Diphenyl ether derivatives
10/06/1987CA1227808A1 Preparation of (-)-1-(2-fluorophenyl)-2- tertiobutylamino-1-ethanol
09/1987
09/29/1987US4696549 Compounds containing a fluorobiphenylyl group and their use in liquid crystal material and devices
09/22/1987US4695398 Cyclohexane derivative
09/22/1987US4695131 Disubstituted ethanes and their use in liquid crystal materials and devices
09/22/1987CA1227017A1 Destruction of toxic chemicals
09/11/1987WO1987005293A2 Cyclohexane derivates
09/09/1987EP0235714A1 Process for the preparation of compounds with a double carbon to carbon bond by dehydration of the corresponding alcohol
09/09/1987EP0235473A1 Process for destroying organic products having toxic properties, and equipment for performing this process
09/09/1987EP0235219A1 Bicyclo-octane derivatives
09/03/1987DE3606788A1 Cyclohexane derivatives
09/01/1987US4691066 Process of preparing metachlorobenzotrifluoride
08/1987
08/27/1987WO1987005015A1 Chiral compounds
08/26/1987EP0233834A1 Insecticidal trifluormethyl alkane derivatives
08/19/1987EP0233035A1 Catalytic transhalogenation of haloaromatics
08/12/1987EP0231257A1 Chemical compounds comrpising substituted phenylrings
08/12/1987CN87100438A Insecticidal triffluormethyl alkane derivatives
08/05/1987EP0231133A1 Process for preparing para-substituted halogenobenzene derivatives
08/04/1987US4684753 Bromination of pyrene with simultaneous reoxidation of hydrogen bromide
07/1987
07/29/1987CN86107292A Novel silane derivs., process for prepn. thereof, the derivs.-contg. composition and uses as pecticide thereof
07/29/1987CN86100379A New process for synthesis of 2,4-difluoro-biphenyl
07/21/1987CA1224499A1 Process for preparing p-chlorotoluene and/or m- chlorotoluene
07/16/1987WO1987004150A1 Catalytic method for producing fluoroaromatic compounds using substituted pyridinium salts
07/07/1987CA1223893A1 Chlorination of aromatic derivatives
06/1987
06/24/1987EP0226225A2 Process for the preparation of (2,2)-paracyclophane and derivatives thereof
06/24/1987EP0226152A1 Process for preparing optionally-substituted 2-benzyl toluenes
06/18/1987WO1987003581A1 Dispirotetradecane
06/16/1987EP0225723A1 Process for producing a halogenated benzene derivative using an improved zeolite catalyst
06/03/1987EP0224024A1 Silane derivatives, process for their preparation, agents containing them and their use as pesticides
05/1987
05/26/1987US4668830 Process for the preparation of compounds containing a difluoromethylene or trifluoromethyl group
05/19/1987US4666941 Pharmaceutical uses of substituted 6(5,6,7,8)tetrahydro-5,5,8,8-tetramethyl-2-naphthyl)-2-naphthoic acid and its esters
05/06/1987EP0220744A1 Process for the preparation of halogenated (2,2)-paracyclophanes
05/06/1987EP0220664A1 Process for the removal of m-dichlorobenzene from a mixture of dichlorobenzenes
04/1987
04/28/1987US4661648 Decachlorobutane and octachlorobutenes
04/23/1987DE3635124A1 Difluorinated (5,6,11,12-tetraselenotetracene)2 halides, their preparation and their use
04/21/1987US4659840 Method for preparing diaryl iodonium salts
04/14/1987US4657918 Free from sedative effects
04/08/1987EP0217316A1 Process for producing brominated acenaphthylene and its condensates
04/08/1987EP0216880A1 Cyclohexane derivatives.
04/01/1987EP0216541A1 Aryl pyridones
04/01/1987EP0216204A1 Process for the preparation of 1,3,6,8-tetrabromopyrene
04/01/1987CN86106734A Aryl pyridones
03/1987
03/31/1987CA1219881A1 Extraction of halogenated hydrocarbons from aqueous solutions using phosphine oxides on inert supports as the extractant
03/25/1987EP0215120A1 Cyclohexane derivatives.
03/17/1987US4650915 Chlorination, isomerization, adsorption, recycling
03/17/1987US4650913 Sulfinate-initiated addition of perfluorinated iodides to olefins
03/17/1987US4650910 Process for the preparation of substituted styrenes
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