Class 570/196 - Halogenation of acyclic carbon

Subclass of Class 570 - Organic compounds -- part of the class 532-570 series
Definition: Process wherein halogen is bonded directly to an acyclic
No. of patents: 36
Last issue date: 09/18/2007

Number	Title	Issue Date
7271302	Method for brominating organic compounds The present invention relates to processes for the bromination of organic compounds, and to bromination microreactors for carrying out these processes. ...	09/18/2007
7169955	Perfluoroisopropylbenzene derivative Perfluoroisopropylbenzene derivatives of the general formula (I) or salts thereof, useful as intermediates or raw materials in the synthesis of various industrial materials including agricultural chemicals, drugs and surfactants:	01/30/2007
6201161	Method of reducing benzaldehyde or benzotrihalide content in a mixture Disclosed is a method of removing about 0.05 to about 20 mole % of a benzaldehyde or benzotrihalide from a mixture with a liquid compound that boils within about -10 to about &#b1;5° C. of the boiling point of the benzaldehyde or benzotrihalide. To the m...	03/13/2001
6187977	Process for producing chlorinated tertiary carbon-containing hydrocarbons The present invention thus provides a process for producing (D) a chlorinated hydrocarbon compound of the general formula (2): Cn R1m Hk (CR2 R3 Cl)j (2) [wherein n is an integer of 1 to ...	02/13/2001
6133468	Method for preparing substituted benzyl bromides Substituted benzyl bromides of the formula I ##STR1## where at least one substituent R1-5 is an electron-attracting group such as fluorine, chlorine, bromine, C1 -C4 -alkoxycarbonyl, cyano or nitro, and the other subs...	10/17/2000
5821393	Process for the preparation of aromatic bromoalkyl-substituted hydrocarbon compounds The present invention relates to a process for the preparation of an aromatic bromoalkyl-substituted hydrocarbon compound, in which an alkyl-substituted aromatic hydrocarbon compound is reacted with a brominating agent in the presence of water....	10/13/1998
5672791	Process for the preparation of nuclear-halogenated benzotrichlorides from the corresponding benzotrifluorides Nuclear-halogenated benzotrichlorides are prepared in a particularly advantageous manner from the corresponding nuclear-halogenated benzotrifluorides by reacting nuclear-halogenated benzotrifluorides with silicon tetrachloride in the presence of catalytic...	09/30/1997
5502261	Process for preparing 2,2'-bis(halomethyl)-1,1'-binaphthyl The present invention relates to a process for preparing 2,2'-bis(halomethyl)-1,1'-binaphthyl, by reacting 2,2'-dimethyl-1,1'-binaphthyl in the presence of a solvent with a halogenating agent under the action of light having a wavelength of from 10	03/26/1996
5288915	Process of making ketones Ketones are prepared by admixing at least one gem-dichloro compound with at least one acid such that the ketone wherein the keto-oxygen replaces the gem-dichloro group is formed. The reaction is exemplified by the reaction of 9,9-dichlorofluorene with an ...	02/22/1994
5157173	Process for 4-chlorobenzotrichloride 4-chlorobenzotrichloride was prepared by the chlorination of p-xylene in the vapor phase at a temperature above about 200° C. in the presence of an activated carbon catalyst and water. An approximately 75 percent calculated yield was obtained at 250° C....	10/20/1992
5144067	Process for the coproduction of alkyl iodides and alpha-iodocarboxylic acids and/or anhydrides thereof Disclosed is a process for the coproduction of (1) an alkyl iodide and (2) an ଱-iodocarboxylic acid, a mono-଱-iodocarboxylic anhydride or a mixture thereof which comprises contacting a mixture of an iodine compound and a carboxylic anhydride w...	09/01/1992
5110425	Terminal chlorination of normal alkane hydrocarbons A terminally chlorinated normal alkane hydrocarbon is produced at high terminal selectivity, by adsorbing a normal alkane into a select zeolite and chlorinating the adsorbed alkane in the zeolite. The zeolite may be of a type having internal channels of d...	05/05/1992
4971664	Terminal chlorination of normal alkane hydrocarbons A terminally chlorinated normal alkane hydrocarbon is produced at high terminal selectivity, by adsorbing a normal alkane into a select zeolite and chlorinating the adsorbed alkane in the zeolite. The zeolite may be of a type having internal channels of d...	11/20/1990
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
4956055	Preparation of bidentate ligands A process is disclosed for preparing bidentate ligands of the formula: ##STR1## wherein: each Ar is independently selected from aromatic ring compounds having 6 up to 14 carbon atoms, e.g., phenyl, naphthyl, phenanthryl and anthracenyl; the x bonds a...	09/11/1990
4954227	Preparation of bidentate ligands A process is disclosed for preparing bidentate ligands of the formula: ##STR1## wherein: each AR is independently selected from aromatic ring compounds having 6 up to 14 carbon atoms, e.g., phenyl, naphthyl, phenanthryl and anthracenyl; the x bonds a...	09/04/1990
4879416	Preparation of bidentate ligands The process for preparing a bidentate ligand comprising the steps, (1) contacting with ozone under ozonolysis conditions a suspension in a hydroxylic reaction medium of phenanthrene or a phenanthrene derivative to form an ozonated intermediate, (2) contacting ...	11/07/1989
4879008	Preparation of bidentate ligands A process is disclosed for preparing bidentate ligands of the formula: ##STR1## wherein: each Ar is independently selected from aromatic ring compounds having 6 up to 14 carbon atoms, e.g., phenyl, naphthyl, phenanthryl and anthracenyl; the x bonds a...	11/07/1989
4814467	Processes using a phosphorus complex A process for chlorinating compounds containing a carbon atom bonded to a hetero-atom selected from the group consisting of oxygen, nitrogen and sulfur; said process comprises contacting the carbon hetero-atom containing compound with a chloro phosphorus ...	03/21/1989
4783562	Process for the preparation of trichloromethyl-substituted aromatic compounds, and trichloromethyl-substituted aromatic compounds obtained in this process Trichloromethyl-substituted aromatic compounds are obtained by the chlorination of thioethers of the formula ##STR1## wherein Ar represents an optionally substituted aryl radial, X1 denotes hydrogen or halogen, and R1 represents opti...	11/08/1988
4767885	Sterically hindered binifers telechelic polymers made therefrom Sterically hindered binifers are made as well as utilized to produce telechelic polyisobutylenes. The telechelic polymers can be produced at high temperatures, for example minus 30° C....	08/30/1988
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
4513154	Process for consecutive competitive gas phase reaction A process for consecutive-competitive gas phase halogenation of organic compounds, i.e. alkanes, alkenes and benzene, alkyl benzenes and alkenyl benzenes containing labile hydrogens and having no more than 12 and 9 carbon atoms, respectively, in a thin re...	04/23/1985
4489210	Process for the halogenation of organic compounds The invention relates to a process for the halogenation of organic compounds in the liquid phase using gaseous halogenating agents, the gaseous halogenating agents being metered into the reaction vessel at such an entry velocity that a gas jet is formed i...	12/18/1984
4465865	Method of preparing terephthalic aldehyde and isophthalic aldehyde A method of preparing terephthalic aldehyde or isophthalic aldehyde from p-xylene or m-xylene, which comprises chlorinating the side chain or p or m xylene to a chlorination degree of 2.5 to 3.5, and thereafter contacting the so-chlorinated product with h...	08/14/1984
4423263	Process for the side-chain polyhalogenation of polyalkylaromatic hydrocarbons A process for the selective side-chain halogenation of alkylaromatic hydrocarbons, consisting of reacting the hydrocarbon with an N-halogenoamine in the presence of a proton donor and a metal ion....	12/27/1983
4362884	Silacrown ethers, method of making same, and use as phase-transfer catalysts Organosilicon compounds referred to as silacrown ethers or "silacrowns" are of the general formula: ##STR1## where R1 and R2 are organic radicals or hydrogen and n is an integer between 4 and 10 inclusive. Silacrown ethers are p...	12/07/1982
4331821	Process for the monohalogenation of alkylbenzenes in the ଱-position and new alkylbenzenes monohalogenated in the ଱-position A process for the monohalogenation of alkylbenzenes in the ଱-position is disclosed wherein an alkylbenzene reactant containing a hydrogen atom in the ଱-position is contacted with a halogen and the reaction mixture is withdrawn such that the am...	05/25/1982
4329525	Production of chlorinated compounds by use of molten salts A compound is chlorinated with chlorine to produce chlorinated product and hydrogen chloride byproduct. Recovered hydrogen chloride byproduct is contacted with oxygen and a molten salt mixture containing the higher and lower valent chlorides of a multival...	05/11/1982
4306102	P-Tert.butylbenzotribromide and p-tert.butylbenzoyl bromide and process for their manufacture p-Tert.butylbenzotribromide and the derivatives thereof which is halogen-substituted at the nucleus are prepared under side chain halogenation conditions by bromination of p-tert.butyltoluene and its derivatives substituted at the nucleus by halogen. Prac...	12/15/1981
4256907	Preparation of substituted vinylcyclopropane-carboxylic acid esters A process for the preparation of a substituted vinyl-cyclopropanecarboxylic acid ester of the formula ##STR1## in which R1 and R2 each independently is alkyl with 1-4 carbon atoms or halogen, R3 is halogen, phenoxy or...	03/17/1981
4226783	଱-Chlorination process A process for ଱-chlorination of side chains of electronegatively substituted aromatic compounds with dichlorine monoxide....	10/07/1980
4214004	Insecticidal cyclopropanecarboxylates from substituted [1,1'-biphenyl]-3-ylmethyl compounds Substituted [1,1'-biphenyl]-3-ylmethyl 3-(2,2-dihaloethenyl)-2,2-dimethylcyclopropanecarboxylates, as well as processes, uses, and intermediates thereto, are disclosed. The substituted [1,1'-biphenyl]-3-ylmethyl 3-(2,2-dihaloethenyl)-2,2-dimethylcycl...	07/22/1980
4212996	Process for the side-chain chlorination of perhalogenated methyl aromatic compounds Process for the side-chain chlorination of aromatic compounds completely halogenated in the nucleus, containing methyl groups, and having the general formulas: ##STR1## wherein y=1 or 2, z=0 to 1, x=6-(y+z), n=0 to 8 and k=(8-n) and the methyl g...	07/15/1980
4085153	Bromination of unreactive olefins with bromine chloride Bromine chloride is contacted with a normally unreactive olefin such as 1,2-di, tri- or tetrahalo- ethylene or 1,2-di, tri- or tetraphenyl ethylene or 1-halo-2-phenyl ethylene or 1-halo-2-phenyl ethylene carrying in addition, one or more other halogen or ...	04/18/1978
4045501	Method for making o- and p- haloalkyl styrenes A method for making o- and p- halomethyl styrenes which comprises reacting an ethyl benzene, paraformaldehyde and hydrogen halide, treating the reaction product with a halogen, and dehydrohalogenating the resulting o- and p- halomethyl (1-haloethyl) benze...	08/30/1977

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Class 570/196 - Halogenation of acyclic carbon