Patents
Patents for C07C 25 - Compounds containing at least one halogen atom bound to a six-membered aromatic ring (5,308)
06/1998
06/04/1998WO1998023561A1 Chlorobenzene derivatives, liquid-crystal composition, and liquid-crystal display elements
06/02/1998US5760280 Production process for aromatic compounds
06/02/1998US5759443 Cyclopentyl derivatives
05/1998
05/28/1998WO1998022475A1 Synthesis of fluorophenyl boranes
05/28/1998WO1998022470A1 Tetrakis-pentafluorophenyl borates from pentafluorophenyl grignard reagents
05/28/1998WO1998022413A1 Halogen exchange reactions and uses thereof
05/28/1998CA2271379A1 Halogen exchange reactions and uses thereof
05/28/1998CA2243659A1 Synthesis of fluorophenyl boranes
05/26/1998US5756834 Process for preparing fluorinated aromatics
05/26/1998US5756653 Substituted polythiophenes from highly reactive zinc reagents
05/20/1998EP0842208A1 2,7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers
05/12/1998US5750811 Halogenation of benzotrifluoride with chlorine gas in the presence of an iron, antimony or aluminum chloride catalyst and an iodoaryl cocatalyst
04/1998
04/30/1998WO1998017611A1 Synthesis of perfluoro aromatic boranes and borates
04/29/1998EP0837851A1 Fluorinated phenanthrene derivatives and their use in liquid crystal mixtures
04/28/1998US5744656 Conversion of hexafluorobenzene to bromopentafluorobenzene
04/28/1998US5744638 Treatment of halo carboxylic acid with ammonia using copper catalyst
04/28/1998US5744058 Dienes and liquid-crystalline media
04/23/1998WO1998016486A1 Process for the preparation of substituted aromatic compounds
04/23/1998CA2268304A1 Process for the preparation of substituted aromatic compounds
04/22/1998EP0837048A1 Process for the production of 2,6-dichloro-3,5-di(secondary or tertiary alkyl)toluene
04/22/1998EP0837046A1 Process for preparing o-alkyl-fluoro-benzenes
04/22/1998EP0837045A1 Liquid crystalline compound having alkynyl group, and liquid crystal composition and liquid crystal display device therefrom
04/21/1998US5741949 Continuously feeding excess liquid bromine and non-fused aromatic compound to reaction zone to form mixture, continuously withdrawing after established residence time
04/21/1998US5741922 Coupling agent; surface treatment of magnetic material; heat and oxidation resistance; waterproofing
04/14/1998US5739388 Process for the preparation of aromatic compounds by decarboxylation of aromatic carboxylic acids
04/09/1998WO1998014418A1 Liquid crystal compounds having negative permittivity, liquid crystal compositions, and liquid crystal display device
04/02/1998WO1998013324A1 Fluoroalkylated liquid-crystal compounds, liquid-crystal compositions, and liquid-crystal display elements
04/02/1998WO1998013323A1 Substituted benzene derivative, liquid-crystal composition, and liquid-crystal display element
04/02/1998WO1998013322A1 Terphenyl derivative, liquid-crystal composition, and liquid-crystal display element
04/02/1998WO1998013321A1 Compound having alkadienyl group as side chain, and liquid crystal composition using same
03/1998
03/31/1998US5734073 Halogenation reactions
03/25/1998CN1177346A Energy-activatable salt with fluorocarbon anions
03/18/1998EP0828700A1 Liquid crystalline compounds having exo-methylene site and liquid crystal compositions comprising the same
03/17/1998US5728480 Poly(4,5,9,10-tetrahydropyrene-2,7-diyl) derivatives and their use as electroluminescence materials
03/05/1998WO1998008792A1 Tetracyclic compound having lateral halogen substituent and liquid crystal composition comprising the same
03/05/1998WO1998008791A1 Fluorovinyl derivative compound, liquid crystal composition, and liquid crystal display device
03/05/1998WO1998008788A1 Preparation of brominated indanes
03/05/1998CA2260069A1 Preparation of brominated indanes
03/04/1998EP0825982A1 Alkyl dihalogenated phenyl-substituted ketoenols useful as pesticides and herbicides
03/03/1998US5723648 Intermediates for anti-microbial benzoheterocyclic compounds
03/03/1998US5723621 Reaction of silylaromatic with aromatic compound to form biaryl compound
03/03/1998US5723613 Process for the free-radical chlorination or bromination of methyl aromatic compounds
02/1998
02/26/1998WO1998007674A1 Difluorophenyl derivative compound, liquid crystal composition and liquid crystal display device
02/24/1998US5720899 Liquid crystalline compound, liquid crystal composition and liquid crystal display element
02/12/1998WO1998005610A2 Process for preparing fluorine-containing compounds
02/11/1998EP0823413A2 Benzoheterocyclic compounds
02/05/1998WO1998004508A1 NOVEL p-TERPHENYL COMPOUNDS
02/05/1998CA2261339A1 Novel p-terphenyl compounds
02/04/1998EP0822242A2 Non-ozone depleting co-solvent compositions
02/03/1998US5714088 Liquid crystalline compound having branched alkyl group at its side chain and liquid crystal composition containing the same
01/1998
01/28/1998EP0820426A1 SUBSTITUTED DIBENZ[a,f]AZULENES AND METHODS OF PREPARATION
01/22/1998WO1998002409A1 Method for preparing halogenated 2-amino or 2-acetamido trifluoromethylbenzene derivatives
01/21/1998CN1170715A Production process for aromatic compounds
01/21/1998CN1037098C Pesticidal fluoroolefines
01/20/1998US5710355 Method of making chlorobenzenes
01/20/1998US5710354 Preparation of brominated indanes
01/20/1998US5710320 Components of imaging systems
01/13/1998US5708130 Films, coatings
01/08/1998DE19728182A1 System for decomposition of poly:chloro-bi:phenyls into harmless substance
12/1997
12/30/1997US5702641 Electrical and chemical stability
12/29/1997EP0813521A1 Energy-activatable salts with fluorocarbon anions
12/24/1997CN1168365A Cyclopentyl derivatives
12/17/1997CN1167748A Process and intermediate compounds for preparation of pesticidal fluoroolefin compounds
12/16/1997US5698755 Process for preparing aromatic olefins using palladacycle catalysis
12/11/1997WO1997046534A1 Process for producing substituted aryl pyrazoles
12/10/1997EP0811596A1 Process and intermediate compounds for the preparation of pesticidal fluoroolefin compounds
12/10/1997EP0811593A1 1,4-diaryl-2-fluoro-2-butene insecticidal and acaricidal agents
12/10/1997CN1167105A 1,4-diaryl-2-fluoro-2-butene insecticidal and acaricidal agents
12/09/1997US5696311 Polyhalogenated methyl-phenyl indanes produced by halogenating in an organic solvent using a metal or metal halide lewis acid catalyst
12/09/1997US5696162 Phenyl or heteroaryl and tetrahydronaphthyl substituted diene compound having retinoid like biological activity
12/04/1997WO1997045389A1 Method of making 1,2,4-trichlorobenzene
12/04/1997DE19621687A1 Verfahren zur Herstellung von substituierten Arylpyrazolen A process for the preparation of substituted arylpyrazoles
12/03/1997EP0809618A1 Process for preparing olefins
12/03/1997CA2206620A1 Process and intermediate compounds for the preparation of pesticidal fluoroolefin compounds
12/03/1997CA2206585A1 1,4-diaryl-2-fluoro-2-butene insecticidal and acaricidal agents
11/1997
11/26/1997EP0808827A1 Production process for aromatic compounds
11/06/1997WO1997041083A1 Process for the preparation of fluoro compounds from the corresponding amines
11/04/1997US5684217 Process for preparing 3-fluoro-4,6-dichlorotoluene
11/04/1997US5684205 Use of substituted cyclopentane- di- and -triones
10/1997
10/29/1997CN1163604A Substituted r-biarylbutyric or 5-biarylpentanoic acids and derivatives as matrix metalloprotease inhibitors
10/21/1997US5679879 Process for the production of substituted aromatic hydrocarbons from corresponding anilines by dediazoniation
10/21/1997US5679854 Forming intermediate (e)-n-(2-(fluoromethylene)-4-(p-fluorophenyl)butyl)-n-formyl formamide; hydrolysis
10/21/1997US5679736 Additive fire retardants, process for their preparation and polymeric compositions containing them
10/21/1997US5679285 Low viscosity, stable liquid crystalline media for electrooptical display elements
10/21/1997US5679282 Chiral 2,6-difluorobenzene derivatives
10/21/1997CA2137037C Fluorinated diazabicycloalkane derivatives
10/14/1997US5677320 Phenyl or heteroaryl and tetrahydronaphthyl substituted diene compounds having retinoid like biological activity
09/1997
09/30/1997US5672791 Process for the preparation of nuclear-halogenated benzotrichlorides from the corresponding benzotrifluorides
09/25/1997WO1997034855A1 Bisalkenyl derivatives, liquid crystalline compounds and liquid crystal compositions
09/25/1997WO1997034589A1 Triaryl methane compounds for sickle cell disease
09/23/1997US5670085 Liquid crystalline compound and liquid crystal
09/12/1997WO1997032832A1 Process for producing fluorinated aromatics and fluorinated nitrogen-containing hetero-aromatics
09/12/1997WO1997020877A3 Poly(9,9'-spiro-bisfluorenes), the production and use of same
09/12/1997CA2248294A1 Process for producing fluorinated aromatics and fluorinated nitrogen-containing hetero-aromatics
09/11/1997DE19608791A1 Verfahren zur Herstellung von fluorierten Aromaten und fluorierten stickstoffhaltigen Heteroaromaten A process for the preparation of fluorinated aromatics and fluorinated nitrogen-containing heteroaromatics
09/11/1997DE19607996A1 Stable liquid crystalline or mesogenic 3-fluoro-cyclohexenyl derivatives
09/10/1997CN1159179A Processes for preparation of (E)-2-fluoromethylene-4-(4-fluorophenyl) butylamine and alkali metal salts of diformylamide
09/03/1997CN1158601A Chlorobenzene derivative and liquid-crystal compsn. containing the same
09/02/1997US5663463 Difluoroethylene compounds and liquid crystal compositions containing them
09/02/1997US5662830 Diene derivative
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