Class 568/428 - Carbon monoxide reactant (e.g., carbonylation, etc.)

Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Processes wherein the compound is prepared by reacting CO.
No. of patents: 55
Last issue date: 03/08/2011

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Number	Title	Issue Date
7902405	Process for production of 2,6-dimethyl-1-naphthaldehyde 2,6-Dimethyl-1-naphthaldehyde having a ratio of the amount of 3,7-dimethyl-1-naphthaldehyde to the total amount of 2,6-dimethyl-1-naphthaldehyde and 3,7-dimethyl-1-naphthaldehyde of 30 mol % or less is particularly useful as optical functional materials, etc. The pr...	03/08/2011
7241925	Method for producing halogen-substituted aromatic aldehyde In the production method of the invention, a halogen-substituted aromatic compound is reacted with carbon monoxide in the presence of hydrogen fluoride and boron trifluoride into a corresponding halogen-substituted aromatic aldehyde. By the use of hydrogen fluoride ...	07/10/2007
7161043	Process for the carbonylation of ethylenically unsaturated compounds and bidentate diphosphine composition used in this process Process for the carbonylation of optionally substituted ethylenically unsaturated compounds by reaction with carbon monoxide and a coreactant in the presence of a catalyst system. The catalyst system includes (a) a source of Pt group metal cations,...	01/09/2007
7154008	Production method of alkylbenzaldehydes In the production of an alkylbenzaldehyde by a method comprising a step of preparing a solution of complex of a starting alkylbenzene and a hydrogen fluoride-boron trifluoride catalyst and a step of formylation by bringing the solution of complex into contact with c...	12/26/2006
7056854	Process for the carbonylation of ethylenically unsaturated compounds and bidentate diphosphine composition used in this process Process for the carbonylation of optionally substituted ethylenically unsaturated compounds by reaction with carbon monoxide and a coreactant in the presence of a catalyst system. The catalyst system includes (a) a source of Pt group metal cations,...	06/06/2006
6984668	Metal-compound catalyzed processes A liquid-phase chemical reaction medium comprises one or more reactants, optionally in the presence of a reaction product(s) and one or more solvents, diluents or other form of liquid carrier, a catalyst system comprising at least a metal or metal compound and optio...	01/10/2006
6906207	Polymer additive compositions and articles comprising novel fluorinated and alkylated alditol derivatives Plastic additives which are useful as nucleating agents and which are especially useful for improving the optical properties of polymeric materials are provided. More particularly, this invention relates to certain alkyl (or alkoxy) substituted fluoro-benzylidene so...	06/14/2005
6881866	Process for production of polyalkyl-substituted aromatic aldehyde In the process of the present invention, a polyalkyl-substituted aromatic aldehyde is produced by the formylation of a corresponding polyalkyl-substituted aromatic compound with carbon monoxide in the presence of hydrogen fluoride/boron trifluoride catalyst. By limi...	04/19/2005
6806391	Process for the carbonylation of ethylenically unsaturated compounds and bidentate diphosphine composition used in this process Process for the carbonylation of optionally substituted ethylenically unsaturated compounds by reaction with carbon monoxide and a coreactant in the presence of a catalyst system. The catalyst system includes (a) a source of Pt gro...	10/19/2004
6703528	Process for producing carbonyl or hydroxy compound There are disclosed are a method for producing at least one compound selected from a carbonyl compound and a hydroxy adduct compound by an oxidative cleavage or addition reaction of an olefinic double bond of an olefin compound, which contains rea...	03/09/2004
6673856	Alditol acetal composition and its use in plastic and gelled materials The present invention relates to improved alditol acetal compositions, in particular 1,3-2,4-di(benzylidene) sorbitol (DBS) or one of its alkylated derivatives. The improvement in these compositions is expressed in particular in terms of flow behavior and...	01/06/2004
6462242	Process for preparing benzyl alcohols and their use Benzyl alcohols, particularly those which bear fluorine substituents or fluoroalkyl substituents on the benzyl ring, can be obtained by formylation of corresponding aryl bromides to form benzaldehydes and reduction of the latter using further formate, whe...	10/08/2002
6455739	Production of 4-fluorobenzaldehyde 4-Fluorobenzaldehyde is produced by a commercially feasible process. The process comprises heating a mixture of fluorobenzene and a strong Lewis acid with dissolved hydrogen halide in an atmosphere of carbon monoxide at about 45 to about 100° C. and at a...	09/24/2002
6429340	Process for producing 2,4,5,-trialkylbenzaldenhydes It is an object of the present invention to provide a production method of 2,4,5-trialkylbenzaldehyde from 1,2,4-tribenzaldehyde at low cost and safely. The present invention provides a production method of a 2,4,5-trialkylbenzaldehyde which comprises car...	08/06/2002
6320083	Process for making aromatic aldehydes using ionic liquids A process for the carbonylation of alkyl aromatic compounds uses acidic ionic liquids. In one embodiment, the ionic liquid is intrinsically acidic, having an anion mole fraction of greater than 0.5. The ionic liquids include those comprised of a quaternar...	11/20/2001
6303827	Process for making aromatic aldehydes Alkyl aromatic compounds are converted to alkyl aromatic aldehydes by a carbonylation reaction. The carbonylation catalyst can be a high boiling point carbonylation catalyst which allows for the separation of the aldehyde product by selective volatilizati...	10/16/2001
6300525	Method of producing fluorinated and chlorinated benzaldehydes and compositions thereof A process for the preparation of aromatic aldehydes containing fluorine, and more particularly, to a formylation process for fluorinated aromatic derivatives through the reaction of fluorinated benzenes with carbon monoxide and aluminum chloride at a rela...	10/09/2001
6297405	Fluorinated and chlorinated benzaldehydes A process for the preparation of aromatic aldehydes containing fluorine, and more particularly, to a formylation process for fluorinated aromatic derivatives through the reaction of fluorinated benzenes with carbon monoxide and aluminum chloride at a rela...	10/02/2001
6087537	Method of producing dialkyl- and trialkyl-substituted benzaldehydes This invention relates to a process for preparing specific substituted benzaldehydes through the reaction of substituted benzenes with carbon monoxide and aluminum chloride at a relatively low pressure, at a low temperature, and in the presence of at most...	07/11/2000
6080892	Method of producing substituted benzaldehydes with catalytic amounts of acid This invention relates to a process for preparing specific substituted benzaldehydes through the reaction of substituted benzenes with carbon monoxide and aluminum chloride at a relatively low pressure, at a low temperature, and in the presence of at most...	06/27/2000
5910613	Method of production of aromatic aldehydes catalyzed by triflic acid A process for producing aromatic aldehydes by carbonylation of an arene in the presence of triflic acid catalyst is described by reacting an arene, such as toluene, with carbon monoxide in the presence of triflic acid (as a catalyst), for a reaction time ...	06/08/1999
5679867	Carbonylation via solid acid catalysis The present invention is directed to a process for the carbonylation of an arylene to an arylaldehyde (e.g., toluene to tolualdehyde) in the presence of a solid acid catalyst. The process for making tolualdehyde comprises carbonylating toluene in the pres...	10/21/1997
5436374	Process for producing 4-formyl-4'-methylbiphenyl from biphenyl A process for producing a 4-formyl-4'-methylbiphenyl from a biphenyl which comprises conducting the carbonylation of the biphenyl with carbon monoxide in the presence of a HF-BF3 catalyst in a carbonylation reactor to obtain the resulting react...	07/25/1995
5395978	Process for selective preparation of hydroxybenzaldehydes Process for preparing hydroxybenzaldehydes of the formula (1) ##STR1## in which R1 -R4 are hydrogen, fluorine, chlorine, bromine, alkyl, alkoxy, phenyl, naphthyl, phenylalkyl, naphthylalkyl, phenoxy or saturated or unsaturated c...	03/07/1995
5260477	Method for preparing alpha-(4-isobutylphenyl)propionic acid or its precursor A method for preparing ଱-(4-isobutylphenyl)propionic acid or its precursor is here disclosed which comprises a step (I) of dehydrogenating p-isobutylethylbenzene in a gaseous phase in the presence of a dehydrogenating metal catalyst to form p-isobut...	11/09/1993
5166419	Method for preparing ଱-(4-isobutylphenyl) propionic acid or its precursor A method for preparing ଱-(4-isobutylphenyl)propionic acid or its precursor is here disclosed which comprises the following steps (I), (II) and (III): step (I): subjecting isobutylbenzene and a polyalkylbenzene to disproportionation reaction in order...	11/24/1992
5126492	Production of aromatic aldehydes Aromatic aldehydes are produced by catalytic formylation of aryl chlorides in the presence of a palladium chelating phosphine ligand complex of the formula (R2 R2 P(CH2)n PR3 R4)2 Pd,...	06/30/1992
5103053	Process for treating tert-amines A tert-amine which contains an acid-activated color body precursor is treated to prevent it or a derivative thereof, e.g., an amine oxide, betaine, or quaternary ammonium compound, from turning pink when exposed to acidic conditions by contacting it with ...	04/07/1992
4982007	Process for selectively hydroformulating diolefin A process for selectively hydroformylating a diolefin, which comprises reacting a (1-arylethyl)vinylbenzene with carbon monoxide and hydrogen under the conditions of 40° to 200° C. in reaction temperature and 5 kg/cm2 or above in reaction pre...	01/01/1991
4978801	Preparation of aromatic aldehydes Aromatic aldehydes are more efficiently produced by reacting carbon monoxide/hydrogen admixture with an aromatic halide in the presence of a noble metal-based catalyst, a tertiary nitrogenous based and, if necessary, a noble metal complexing agent, e.g., ...	12/18/1990
4973741	Difunctional products from ethylene oxide and synthesis gas A process for producing a ଲ-hydroxyester product or a ଲ-hydroxyaldehyde product from ethylene oxide, carbon monoxide, and, optionally, hydrogen, is disclosed. This process uses, as a catalyst, a catalyst comprising rhodium, ruthenium, and a Gr...	11/27/1990
4942240	Preparation of aromatic aldehydes Aromatic aldehydes are more rapidly produced by reacting hydrogen/carbon monoxide admixture with an aromatic halide in the presence of a noble metal-based catalyst, a tertiary nitrogenous base and, if necessary, a noble metal complexing agent, e.g., a pho...	07/17/1990
4933497	Preparation of hydroxybenzaldehydes by hydrocarbonylation of halophenols Hydroxybenzaldehydes, e.g., vanillin, are prepared by hydrocarbonylating a corresponding halophenol, e.g., 4-bromo-2-methoxyphenol, in the presence of (a) a tertiary amine, (b) a catalyst based on a noble metal, and (c) a phosphine....	06/12/1990
4788325	Conversion of an allylic ether to its corresponding carbonyl compound A process for making a carbonyl-containing compound is disclosed. In this process an allylic ether is contacted with water in the presence of a cobalt-containing material under an atmosphere of carbon monoxide gas....	11/29/1988
4720594	Process for the preparation of aromatic aldehydes Process for the preparation of aromatic aldehydes by hydrocarbonylation of chloro- or bromoaromatic compounds. In the presence of an acceptor for an oxygen-free acid, a palladium/phosphine complex and, if appropriate, a phosphine, a mixture of carbon mono...	01/19/1988
4691048	Process for reducing carbonylation of aldehydes, uses as hemiacetalesters, catalyzed by cobalt carbonyl complexes The invention concerns a process for reducing carbonylation of an aldehyde wherein the aldehyde is used as hemiacetalester, the reaction being conducted in the presence of a catalyst consisting of a cobalt carbonyl complex. The hemiacetal-ester may be for...	09/01/1987
4622429	Process for the preparation of substituted benzaldehydes Substituted benzaldehydes are prepared by reaction of the substituted benzenes from which they are derived with carbon monoxide and hydrogen chloride in the presence of metal halides, the process being performed in the presence of 0.5 to 10 mols of hydrog...	11/11/1986
4613702	Aldehyde production by hydrocarbonylation of organic halides Aldehydes are facilely prepared in high yields by catalytically hydrocarbonylating an organic halide with gaseous admixture of hydrogen and carbon monoxide in the presence of a neutralizing agent for the hydrogen acid produced thereby, said hydrocarbonyla...	09/23/1986
4605749	Production of aldehydes There is provided a process for the production of aldehydes wherein an oric halide is reacted with carbon monoxide at a superatmospheric pressure in the presence of a hydrogen donor and in the presence of a base and of a catalyst in a solvent system. Cat...	08/12/1986
4554383	Process for producing p-tolualdehyde from toluene using an aluminum halide alkyl pyridinium halide `melt` catalyst A process for the selective carbonylation of toluene to p-tolualdehyde which comprises mixing an N-alkylpyridinium halide and an anhydrous aluminum halide melt catalyst with toluene, at room temperature of higher and at superatmospheric pressure until the...	11/19/1985

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Class 568/428 - Carbon monoxide reactant (e.g., carbonylation, etc.)