Class 570/194 - Bonding haloalkyl group directly to benzene ring

Subclass of Class 570 - Organic compounds -- part of the class 532-570 series
Definition: Process wherein an aliphatic carbon atom bonded directly
No. of patents: 20
Last issue date: 12/04/2007

Number	Title	Issue Date
7304192	Method for producing chlorinated hydrocarbon having chlorinated tertiary carbon The present invention relates to a simple method for efficiently producing aromatic-substituted chlorinated hydrocarbons, for example, high-purity cumyl chloride (1,4-bis(1-chloro-1-methylethyl)benzene, p-DCC) that can be used as an initiator for cationic polymeriza...	12/04/2007
7060862	Method for the preparation of α,α,α′,α′-tetrachloro-p-xylene with high purity A method of synthesizing a high purity product of α,α,α′,α′-tetrachloro-p-xylene is disclosed. The method includes carrying out a first stage reaction of terephthaldicarboxaldehyde with a mixture of SOCl2 and dimethylformamide (DMF) to obtain a pr...	06/13/2006
7026522	Production of 2-amino-2-[2- (4-alkylphenyl) ethyl] propane-1, 3-diols Disclosed is a process for the production of 2-amino-2-[2-(4-C2-20-alkyl-phenyl)ethyl]propane-1,3-diols. ...	04/11/2006
6992231	Method for the preparation of α,α, α′,α′-tetrachloro-p-xylene A synthesis method of α,α,α′,α′-tetrachloro-p-xylene is disclosed. The method includes reacting terephthaldicarboxaldehyde with a mixture of SOCl2 and dimethylformamide (DMF) to obtain a product mixture containing α,α,α′,α′-tetrachloro-p-x...	01/31/2006
6861566	Process for producing 1-chloro-4-arylbutane There is provided an industrially advantageous process for producing a 1-chloro-4-arylbutane represented by the general formula (2): wherein R represents hydrogen, lower alkyl, or lower alkoxy, characterized by reactin...	03/01/2005
6265628	Process for the continuous preparation of mono- and/or bis(mono-and/or di-and/or trichloromethyl) benzenes In a process for the continuous preparation of mono- and/or bis(mono- and/or di- and/or trichloromethyl) benzenes by gradual chlorination of the corresponding mono-or dimethylbenzenes in several reactors in cascade, the first reactor has a greater volume ...	07/24/2001
5710355	Method of making chlorobenzenes Disclosed is a method of making a chlorobenzene having the general formulas ##STR1## where X is Cl or F, and X' is X or CF3. A compound having the formula ##STR2## is sulfonated using at least 2 moles per mole of said compound of a su...	01/20/1998
5136114	Process for the preparation of geminal diarylalkanes, new geminal diarylalkanes and alk(en)ylated aromatic compounds The invention relates to a new process for the preparation of geminal diarylalkanes of the formula ##STR1## by Friedel-Crafts alkylation of aromatic compounds with specific aliphatic halogen compounds (addition compounds of CCl4 , to ...	08/04/1992
5099083	Process for preparing 3-chloromethylbenzo-cyclobutene 3-chloromethylbenzocyclobutene is prepared by reacting benzocyclobutene with chloromethyl methyl ether in the presence of stannic chloride at a temperature of about -120° C. to about -40° C. and neutralizing the resulting reaction mixture comprising ...	03/24/1992
5030777	Synthesis of 3,5-dichloroalkylbenzene and recovery of 1,3-dichlorobenzene A process for synthesizing 3,5-dichloroalkylbenzene and recovering 1,3-dichlorobenzene from a starting mixture of 1,3- and 1,4-dichlorobenzenes. The process includes the sequential steps of selectively alkylating the 1,3-dichlorobenzene in the starting mi...	07/09/1991
5003116	Haloethylation of aromatic hydrocarbons A monoalkylaromatic hydrocarbon is haloethylated to a 1-halo-1-arylethane with minimal co-formation of diarylalkane by-product by reacting it with hydrogen chloride or bromide and acetaldehyde in the presence of sulfuric acid only until not more than abou...	03/26/1991
4990704	Haloethylation of aromatic hydrocarbons A monoalkylaromatic hydrocarbon is haloethylated to a 1-halo-1-arylethane with minimal co-formation of diarylalkane and acetaldehyde by-products by reacting it with hydrogen chloride or bromide and a stoichiometric deficit of acetaldehyde in the presence ...	02/05/1991
4967026	Process for the production of chloromethyl phenethyl bromide A process is described for preparing chloromethyl phenethyl bromide, in which phenethyl bromide is reacted with HCl and formaldehyde in the presence of zinc chloride as the catalyst, and in a chlorinated hydrocarbon as the solvent. The product is produced...	10/30/1990
4876404	Preparation of dichlorotrifluoromethyltoluenes including novel isomers Dichlorotrifluoromethyltoluenes useful in producing some medicines and agricultural chemicals are formed with good yields by reacting dichlorotrichloromethyltoluenes with hydrogen fluoride usually at 0°-100° C. under pressure of 3-20 kg/cm2. ...	10/24/1989
4575565	Process for preparing substituted benzotrichlorides The invention herein pertains to a novel process for making substituted benzotrifluorides....	03/11/1986
4563529	Process for producing trifluoromethylpyridines A trifluoromethylpyridine selected from the group consisting of ଱-trifluoromethylpyridine, γ-trifluoromethylpyridine, a bis(trifluoromethyl)pyridine and chlorides thereof which have 1 to 3 chlorine atoms in its pyridine nucleus is produced by react...	01/07/1986
4562280	Chloromethylation of deactivated aromatic compounds The invention is a process for the chloromethylation of an aromatic compound, substituted with an alkyl group and a deactivating moiety, which comprises contacting an aromatic compound, substituted with an alkyl group and a deactivating group, with a chlo...	12/31/1985
4490532	Synthesis of 2-[1-(2,5-dimethylphenyl)ethylsulfonyl]pyridine-1-oxide herbicide and intermediates therefor Hydrogen chloride is passed into p-xylene and acetaldehyde to form bis-1-chloroethyl ether; the latter is converted to 2-(1-chloroethyl)-1,4-dimethylbenzene by the action of sulfuric acid and hydrogen chloride. Alkali metal hydrogen sulfide in aqueous met...	12/25/1984
4419514	Method for converting carboxylic acid groups to trichloromethyl groups Method for converting carboxylic acid groups to trichloromethyl groups which comprises contacting a compound containing a carboxylic acid group with a phenylphosphonic dichloride and phosphorus pentachloride and recovering the thus produced product....	12/06/1983
4145362	Process for the arylation of olefines A process for arylating an olefinic compound by addition of an aryl group to a double bond of said olefinic compound consisting in diazotizing an arylamine in an aqueous acidic solution comprising a lower alkanoic acid to form a solution of an aryldiazoni...	03/20/1979

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Class 570/194 - Bonding haloalkyl group directly to benzene ring