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Matches 551 - 600 out of 12,112

Document Document Title
WO/2012/074128A1
The present invention provides a catalyst used for manufacturing an optically active carbonyl compound by selective asymmetric hydrogenation of an α, β-unsaturated carbonyl compound, which is insoluble in a reaction mixture, and a meth...  
WO/2012/069422A1
The invention discloses the aldehyde 3-(2,3-dimethylphenyl)-2-butenal, a method for its preparation from 1-bromo 2,3-dimethylbenzene, and its use in perfumes.  
WO/2012/030065A3
The present invention relates to a catalyst composition for hydroformylation reaction and a hydroformylation process using the same. In the hydrofomylation process using the catalyst composition according to the present invention, increa...  
WO/2012/034929A3
The invention relates to a method for producing acrylic acid from methanol and acetic acid, whereby the methanol is partially oxidised in a reaction zone A, in a heterogeneously catalysed gas phase reaction to form formaldehyde; a reacti...  
WO/2012/064586A1
The extraction process for removing metal salts from an organic hydroformylation reaction fluid ("HRF") prior to returning the HRF to a reaction zone of a hydroformylation process, the extraction process comprising the step of contacting...  
WO/2012/063771A1
The present invention relates to a molybdenum-containing composite oxide catalyst which can be used in the production of methacrolein by the vapor phase catalytic oxidation of isobutylene or the like, and provides a catalyst having high ...  
WO/2012/060347A1
[Problem] To provide an environmentally friendly organic hybrid type catalyst for achieving oxidation reaction of alcohols. [Solution] An organic hybrid type catalyst which is a 2,2,6,6-tetramethylpyridine-1-oxyl derivative represented b...  
WO/2012/060387A1
Novel compounds represented by formula (I) are useful for preventing or treating diseases caused by protozoans. Use is made of one or more members selected from among compounds represented by formula (I), optical isomers thereof and phar...  
WO/2012/056166A1
A continuous process for obtaining acrolein by catalytic dehydration of glycerol or glycerin, in the presence of an acid catalyst, wherein said process comprises the concomitant regeneration of said catalyst and is carried out in a fluid...  
WO/2012/053564A1
Provided is a novel process for producing an optically active 4-chloro-3-hydroxybutanal compound. Specifically provided is a process for producing an optically active 4-chloro-3-hydroxybutanal compound (2), which comprises a step of reac...  
WO/2012/012046A3
A process and a mixture for oxidizing an alkyl-aromatic compound comprises forming a mixture comprising the alkyl-aromatic compound, a solvent, a bromine source, and a catalyst; and contacting the mixture with an oxidizing agent at oxidi...  
WO/2012/005903A3
A process and a mixture for oxidizing an alkyl-aromatic compound comprises forming a mixture comprising the alkyl-aromatic compound, a solvent, a bromine source, a catalyst, and ammonium acetate; and contacting the mixture with an oxidiz...  
WO/2012/041875A1
A process for purifying an aqueous glyoxal solution comprising at least one acid by extractive acid removal, comprising the steps of i) mixing and dispersion of the aqueous glyoxal solution with an ion exchanger solution comprising 20 to...  
WO/2012/036523A2
The present invention relates to a novel antibiotically active compound and to an antibiotic composition comprising the compound, and more specifically relates to a compound that inhibits microorganism protein synthesis and to a use for ...  
WO/2012/036038A1
Provided is a catalyst for producing an unsaturated aldehyde and/or an unsaturated carboxylic acid, said catalyst having excellent mechanical strength and degree of powdering and enabling production of the target product at a high yield....  
WO/2012/030065A2
The present invention relates to a catalyst composition for hydroformylation reaction and a hydroformylation process using the same. In the hydrofomylation process using the catalyst composition according to the present invention, increa...  
WO/2012/026403A1
A condensed ring compound capable of becoming an intermediate product suitable for isoxazolines is represented by formula (I). In formula (I), X" represents a halogen atom or the like; n represents any one of integers 0 to 5; X' represen...  
WO/2012/022853A1
The invention relates to a process for converting lignocellulosic or cellulose biomass using heterogeneous catalysts based on tungsten oxide dispersed on a support based on oxides, preferably based on oxide(s) of aluminium and/or of zirc...  
WO/2011/039744A8
A process of oxidizing primary alcohols to their corresponding aldehydes is disclosed. The process is effected in the presence of noble metal polyoxometalate complexes. A novel process for preparing noble metal polyoxometalate complexes,...  
WO/2012/020076A1
1-(3/4-isobutyl-1/6-methylcyclohex-3-enyl)methanols and derivatives thereof having appreciable floral and hesperidic odor notes, their use as fragrance ingredient and perfumed products comprising them.  
WO/2011/084268A3
A catalyst, useful for the hydroformylation of allyl alcohol, is described. The catalyst comprises a rhodium complex and a 6-bis(3,5-dialkylphenyl)phosphino-N-pivaloyl-2-aminopyridine or a 3-bis(3,5-dialkylphenyl)phosphino-2H-isoquinoli...  
WO/2012/012952A1
Provided is a process for producing aldehydes or ketones by oxidizing alcohols with oxygen, which comprises oxidizing alcohols to aldehydes or ketones in an organic solvent at room temperature with oxygen or air as an oxidant, wherein fe...  
WO/2012/012046A2
A process and a mixture for oxidizing an alkyl-aromatic compound comprises forming a mixture comprising the alkyl-aromatic compound, a solvent, a bromine source, and a catalyst; and contacting the mixture with an oxidizing agent at oxidi...  
WO/2012/010923A1
The subject of the present invention is a process for preparing acrolein and/or acrylic acid by dehydration of glycerin in the presence of molecular oxygen in an amount chosen so as to be outside the flammability range at any point in th...  
WO/2012/009818A1
A para-methoxy protected benzaldehyde useful in preparation of treprostinil, and of formula:(Formula (1)) is prepared by subjecting to Claisen re-arrangement a substituted benzaldehyde of formula (la): (Formula (Ia)) to form the m-hydrox...  
WO/2012/008228A1
Disclosed is a method for oxidizing alcohols, wherein it is possible to efficiently oxidize primary alcohols and secondary alcohols and to achieve high reaction efficiency even when air is used as the bulk oxidant. Specifically disclosed...  
WO/2012/009173A1
A new synthesis of 4-bromo-2-methoxybenzaldehyde is reported from 1, 4 dibromo 2- fluorobenzene. First, 2-fluoro-4-bromobenzaldehyde is prepared through metal halogen exchange and formylation with a formyl source at 0 °C. After crystall...  
WO/2012/005903A2
A process and a mixture for oxidizing an alkyl-aromatic compound comprises forming a mixture comprising the alkyl-aromatic compound, a solvent, a bromine source, a catalyst, and ammonium acetate; and contacting the mixture with an oxidiz...  
WO/2012/005348A1
Provided is a novel catalyst that can produce acrolein and acrylic acid in high yields using glycerol as starting material. The disclosed glycerol dehydration catalyst has niobic oxide synthesized by hydrothermal synthesis as the main co...  
WO/2012/005861A1
This invention relates to a process and system for cracking hydrocarbon feedstock containing vacuum resid comprising: (a) subjecting a vacuum resid to a first thermal conversion in a thermal conversion reactor (such as delayed coker, flu...  
WO/2011/075743A3
The present disclosure relates to facilities, systems, methods and/or catalysts for use in chemical production. In particular, the disclosure provides innovations relating to dehydration of multihydric compounds such as glycerol to form ...  
WO/2011/163325A1
The present application relates to perfume raw materials, perfume delivery systems and consumer products comprising such perfume raw materials and/or such perfume delivery systems, as well as processes for making and using such perfume r...  
WO/2011/039744A3
A process of oxidizing primary alcohols to their corresponding aldehydes is disclosed. The process is effected in the presence of noble metal polyoxometalate complexes. A novel process for preparing noble metal polyoxometalate complexes,...  
WO/2011/157788A1
It is the aim of the invention to provide a method for producing aldehydes, by means of which the production of CO2 can be reduced as compared to the conventional hydroformylation and which utilizes alternative raw material sources, and ...  
WO/2011/157959A1
The invention relates to a process for preparing acrolein from glycerol or glycerin, according to which glycerol or glycerin is dehydrated in the presence of a catalyst, the active phase of which consists of at least a) a silicon oxide, ...  
WO/2011/111994A3
The present invention relates to a method for preparing acrolein, and more particularly, to a method for preparing acrolein at a high yield rate and with high selectivity over the entirety of a wide reaction temperature zone by performin...  
WO/2011/150658A1
Disclosed is an intermediate of lycopene, 2,6,10-trimethyl-3,5,9-undecatrien-1-carboxaldehyde represented by formula (3), and a method for preparing this intermediate. The process route is simple, the starting materials are available eas...  
WO/2011/108672A3
Disclosed is a catalyst for producing an optically active aldehyde or optically active ketone, which are optically active carbonyl compounds, by the selective asymmetric hydrogenation of an α, β-unsaturated carbonyl compound, particula...  
WO/2011/138550A1
The present invention relates to a process for producing aldehydes from a carboxylic acid in the presence of a catalyst, said process comprising a step of decarbonylation of an α-hydroxy carboxylic acid carried out in the gas phase, in ...  
WO/2011/128018A1
The invention relates to a process for the preparation of a hydroquinone compound of formula (I) wherein R2, R3, R5 and R6 have the meaning according to claim 1, with the steps of formylating a substituted phenol and oxidising the result...  
WO/2011/067363A3
The invention discloses a method for producing acetaldehyde and/or acetic acid, according to which method a gaseous flow, containing molecular oxygen, ethanol and at least one impurity selected from sulphur compounds, is brought into con...  
WO/2011/125623A1
Disclosed is a glycerin dehydration catalyst comprising a boron salt of phosphoric acid or a rare earth metal salt of phosphoric acid, wherein the molar ratio of phosphorus (P) to boron (B) (i.e., P/B) or the molar ratio of phosphorus (P...  
WO/2011/067386A3
The invention relates to a method for producing aliphatic aldehydes of the general formula (I) by reacting aldehyde of the general formula (II) with an aldehyde of the general formula (III), where R1 is hydrogen or a methyl group, R2 is ...  
WO/2011/124130A1
Disclosed is an intermediate 1-methoxyl-2,6,10-trimethyl-1,3,5,9- undec-tetraene and a preparation method and uses thereof. The synthesis method of the current lycopene intermediate 2-position double bond C-14 aldehyde (2,6,10-trimethyl-...  
WO/2011/120980A1
The present invention accordingly provides a process for preparing aldehydes of the formula (I) in which one, two or all three radicals of the group R1, R3 and R5 denote hydroxyl, and the radical or radicals of the group R1, R3 and R5 th...  
WO/2011/115695A1
The disclosure generally relates to a process for the production of a C6-C15 alcohol mixture including the steps of hydro formylating an olefin mixture including at least one branched C5-C14 olefin to form a hydroformylation product incl...  
WO/2011/111994A2
The present invention relates to a method for preparing acrolein, and more particularly, to a method for preparing acrolein at a high yield rate and with high selectivity over the entirety of a wide reaction temperature zone by performin...  
WO/2011/110556A1
A process is described for the preparation of intermediates which can be used for preparation of agents for urinary incontinence therapy, specifically to 2-(3-(diisopropylamino)- 1-phenylpropyl)-4-(hydroxymethyl)phenol and its prodrugs.  
WO/2011/111671A1
Disclosed is an aldehyde production method comprising a step in which aldehydes are obtained by oxidizing a primary alcohol in the presence of catalyst comprising a carrier, which is obtained by crosslinking the crosslinkable functional ...  
WO/2011/046883A3
Provided are processes for the oxidative cleavage of a double bond in an unsaturated carboxylic acid. The process includes contacting the unsaturated carboxylic acid with a mild oxidizing agent and agitating the unsaturated carboxylic ac...  

Matches 551 - 600 out of 12,112