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Class 568/316 - Halogen containing reactant


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Processes wherein the compound is prepared by reacting an
No. of patents: 173
Last issue date: 12/25/2007


1          
NumberTitleIssue Date
7312331Stable cyclic (alkyl)(amino) carbenes as ligands for transition metal catalysts
Stable carbene ligands are provided having a carbene center flanked by a quaternary carbon and an amino group, and having utility in the preparation of various transition metal complexes. ...
12/25/2007
7304011Compositions and processes for reducing NOemissions during fluid catalytic cracking
Compositions for reduction of NOx generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic cracking catalyst composition, preferably containing a Y-type zeoli...
12/04/2007
7253323Method for the production of benzophenones
A process for preparing benzophenones of the formula I, where X may be chlorine, hydroxyl, methoxy or C1-C6-alkylcarbonyloxy, and Y may be chlorine or bromine, by reacting an acid chloride o...
08/07/2007
7227042Method of preparing 1-acetyl-1-chlorocyclopropane
The present invention provides a method of preparing 1-acetyl-1-chlorocyclopropane from 1,3 dichloro-2-pentanone by reaction with base in the presence of a phase transfer catalyst. The reaction may be run in the presence or absence of an organic solvent and in a con...
06/05/2007
7132294Functionalized small molecules for use in chemical sensors
The invention provides a device for selective molecular recognition, the device comprising a sensing portion, wherein said sensing portion includes a substrate having coated thereon a layer comprising a non-volatile, small molecule compound having at least two penda...
11/07/2006
7122704Fluoroketone compounds
The present invention relates to new fluoroketone compounds from the groups monobromoperfluoroketones, monohydromonobromoperfluoroketones, (perfluoroalkoxy)monobromoperfluoroketones, (fluoroalkoxy)monobromoperfluoroketones, and monochloromonobromoperfluoroketones. T...
10/17/2006
7119234Process for the preparation of 1-(4-chlorophenyl)-4,4-dimethylpent-1-ene-3-one
The present invention relates to a method for the preparation of as 1-(4-Chlorophenyl)-4,4-dimethylpent-1-ene-3-one, also known as Phenyl aldol. The process of the present invention utilizes catalysts. The process enables the manufacture of the Phenyl aldol in the a...
10/10/2006
7115762Polystyrene-supported palladacycle catalysts
This invention relates to a recyclable palladacycle catalyst of formula in which each is a single bond or a double bond, provided that if one is a double bond, its neighboring ...
10/03/2006
7087791Catalysed acylation of alkylated benzene derivatives
An ecofriendly process for acylation of an alkylated benzene derivative has increased selectively towards para position and comprises a step of reacting the alkylated benzene derivative with an acylating agent in the presence of nitrobenzene, dichlorobenze, dimethyl...
08/08/2006
7067702Process for preparing vinyl substituted beta-diketones
A process for preparing vinyl substituted beta-diketones includes reacting a halogen-containing beta-diketone with an olefin in a reaction zone under Heck coupling reaction conditions in the presence of a catalyst, a base, and an organic phosphine to provide a vinyl...
06/27/2006
7060859Use of a solid hydrotalcite structure incorporating fluorides for basic catalysis of Michael or Knoevenagel reactions
The invention concerns the use of a solid basic catalyst comprising a hydrotalcite structure wherein part at least of the compensating anions are fluoride anions F− for producing Knoevenagel of Michael condensation reactions. The invention also concerns...
06/13/2006
7005453Use of hop acids to inhibit growth of and prevent toxic shock syndrome
The present invention provides methods, products, and compositions for selectively inhibiting the growth of Staphylococcus aureus without preventing the growth of Lactobacillus species. Specifically, the present invention discloses the use of tetrahydr...
02/28/2006
6984735Process for making an aldehyde
A process for making an aromatic aldehyde in which a sulfoxide is reacted with a dihalogenated aromatic compound in the absence of an effective amount of an activating reagent. The aldehyde may then be used to make other compounds, such as a compound that acts as a ...
01/10/2006
6930207Trifluoroacetylalkyl-substituted phenyl, phenol and benzoyl compounds and related methods of treatment
Novel and known trifluoroacetyl-substituted phenyl, phenol and benzoyl compounds for the treatment and/or inhibition of obesity and of concomitant and/or secondary diseases involved therewith, in particular metabolic syndrome and cardiovascular diseases. Novel trifl...
08/16/2005
6924397Process for the preparation of α-chloroketones from alkyl esters
The present invention relates to a process for the preparation of α-chloroketones from readily available alkyl esters by the reaction of a sulfoxonium ylide on said alkyl esters to generate a keto sulfoxonium ylide that is in turn treated with anhydrous HCl. ...
08/02/2005
6919485Benzophenones, the production thereof and their use for controlling plant pathogenic fungi
The invention relates to benzophenones of formula (I), in which the substituents have the following meanings: X represents halogen; R1 represents hydrogen, halogen, C1-C6 alkyl, halo-C1-C2 alkyl, C1-C...
07/19/2005
6881865Method for preparing cyclohexyl phenyl ketone from 1,3-butadiene and acrylic acid
Disclosed is a synthesis method of cyclohexyl phenyl ketone with a high selectivity and a high yield from 1,3-butadiene and acrylic acid in the presence or absence of benzene or a non-aromatic organic solvent in the same reaction without a step of separating or puri...
04/19/2005
6867323Cross-coupling reaction of organosilicon nucleophiles
Improved methods for generating a —C—C— bond by cross-coupling of a transferable group with an acceptor group. The transferable group is a substituent of an organosilicon nucleophile and the acceptor group is provided as an organic electrophile. The reaction i...
03/15/2005
6867310Arylation and vinylation of activated carbons
The present invention provides transition-metal-catalyst-based methods for the arylation and vinylation of activated methyl, methylene, and methine carbons with aryl halides, vinyl halides, and the like. The methods of the invention provide several improvements over...
03/15/2005
6696611Chemical methods
The present invention provides a method for enantioselectively reducing a prochiral carbon centered radical having one or more electron donator groups attached directly to the central prochiral carbon atom of the radical, and/or attached to a carbon atom ...
02/24/2004
6683220Process for the preparation of optically pure or enriched racemic tetralone
A process for producing substantially optically pure sertraline utilizes chromatographic separation on a solid stationary chiral phase of spherical clay particles having an interlayer containing an optically pure metal-organic complex, and a liquid mobile...
01/27/2004
6593499Process for the preparation of phenyl ketones
The present invention relates to a process for the preparation of phenyl ketones of formula-I, ##STR1## Wherein R represents --COCH3, --COC2 H5 or --COC6 H5, which comprises acylating the biphenyl wit...
07/15/2003
6586599Catalyzed coupling reactions of aryl halides with silanes
A process for conducting coupling reactions of aryl halides with unsaturated silanes is described. The processes use N-heterocyclic carbenes as ancillary ligands in these coupling reactions. A coupling of an aryl halide with an unsaturated silane can be c...
07/01/2003
6583307Convenient and efficient Suzuki-Miyaura cross-coupling catalyzed by a palladium/diazabutadiene system
A Pd(OAc)2 /diazabutadiene system has been developed for the catalytic cross-coupling of aryl halides with arylboronic acids. A combination of the diazabutadiene DAB-Cy (1, N,N'-Dicyclohexyl-1,4-dizabutadiene) and Pd(OAc)2 was found ...
06/24/2003
6444854Process for the production of enantiomerically pure or optically enriched sertraline-tetralone using continuous chromatography
A process for the production of enantiomerically pure or optically enriched sertraline-tetralone from a mixture containing two enantiomers using continuous chuomatography. The chromatography comprises a liquid mobile phase comprising at least one polar so...
09/03/2002
6417357Coupling reactions with palladium catalysts
This invention relates to a novel, inventive process for the preparation of biphenyls or aromatic olefins by coupling reactions of the Suzuki coupling and Heck coupling type, using allylpalladium catalysts of the μ-halo(triisopropylphosphine)(η3
07/09/2002
6392111Method for producing olefins
Olefins containing aromatic substituents are synthesized without the addition of phosphonium salts or phosphanes with the aid of a PdII compound as a catalyst in the presence of nitrogen-containing additives such as N,N-dimethylglycine and a ba...
05/21/2002
6271421Process for selective mono-debromination of polybromoalkyl aryl or heteroaryl ketones
A process for selectively debrominating polybromoalkyl aryl ketones and polybromoalkyl heteroaryl ketones is disclosed. The process comprises contacting an alpha-polybrominated ketone with an alkali metal sulfite in the presence of a C2 -C...
08/07/2001
6245944Process for producing substituted indanones
A process for preparing a compound of the formula I ##STR1## where R1 and R2 are hydrogen or C1 -C4 -alkyl and R3 is C1 -C10 -alkyl, phenyl or C1 -C4 -alkyl...
06/12/2001
6159988Arylcycloalkyl derivatives, their production and their use
Compounds of formula I, ##STR1## and the physiologically tolerable salts thereof, wherein the substituents R1 -R4 have the meanings given in the specifications and show an activity against inflammatory conditions....
12/12/2000
6096929Process for the preparation of thioether-substituted aromatic ketones
The preparation of aromatic ketones substituted with a thioether group at the ortho position is accomplished by the initial reaction of an aromatic nucleus substituted with a halide and an ortho nitro group with a nitroalkane in the presence of a hydroxid...
08/01/2000
6020502Preparation of fluorinated dicarbonyls
A method for the fluorination of 1,3-diketones and 1,3-ketoesters is disclosed....
02/01/2000
5981803Process for the preparation of chloro-benzoyl chlorides
An effective and efficient process for the preparation of chloro-benzoylchlorides of formula I, ##STR1## (n is defined in the specification). In this process a a chloro-trichloromethylbenzene of formula II ##STR2## is treated with water aci...
11/09/1999
5922898Process for preparing biaryl compounds
The present invention provides a process for preparing biaryl compounds comprising reacting an arylmetal reagent selected from arylmagnesium reagents and aryllithium reagents with an arylhalide in the presence of a catalyst system comprising a catalyst se...
07/13/1999
5910596Esterification of benzoic acid substituents of 3-aryl-5-haloalkyl-pyrazoles having herbicidal activity
Processes for preparing substituted 3-aryl-5-haloalkyl-pyrazoles and, specifically, for preparing C1-5 alkyl esters of 5- ›1-(C1-5 alkyl) -4-halo-5-(C1-3 haloalkyl) -1H-pyrazole-3-yl!-2,4-dihalo-benzoic acids such as isop...
06/08/1999
5883263Preparation of substituted 3-aryl-5-haloalkyl-pyrazoles having herbicidal activity
Processes for preparing substituted 3-aryl-5-haloalkyl-pyrazoles and, specifically, for preparing C1-5 alkyl esters of 5-›1-(C1-5 alkyl)-4-halo-5-(C1-3 haloalkyl)-1H-pyrazole-3-yl!-2,4-dihalo-benzoic acids such as isoprop...
03/16/1999
5821374Process for the oxidation of alcohols
A process for oxidizing primary and secondary alcohols to the corresponding aldehydes and ketones is disclosed. The oxidation is carried out by reacting the primary or secondary alcohol with an organic N-chloro compound oxidizing agent in the presence of ...
10/13/1998
5811585Process for preparing 5-chloro-2,3-dihydro-1H-inden-1-one
A process for preparing 5-chloro-2,3-dihydro-1H-inden-1-one comprising contacting 3-chloro-1-(chlorphenyl)-1-propanone with a catalyst selected from sulfuric acid and solid acid catalysts....
09/22/1998
5786515Synthesis of ଱-chloro or fluoro ketones
A simple, high yielding synthesis of a-chloro ketones is described, involving acylation of Grignard and organolithium reagents with N-methoxy-N-methylchloroacetamide. The efficiency of the process is further enhanced by recycling N,O-dimethylhydroxylamine...
07/28/1998
5736274Conjugated N-fluoropyridinium salt-containing polymer and use of the same
A polymer containing a recurring unit of a conjugated N-fluoropyridinium salt and an active material for a positive electrode, an electrolyte, a battery material for the positive electrode and a battery which use such a polymer. That polymer provides a ba...
04/07/1998
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