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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.
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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....
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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, ...
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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...
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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 ...
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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...
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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...
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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-...
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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...
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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...
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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...
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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.
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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 ...
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WO/2011/107441A1 |
The present invention relates to POSS-modified ligands and to the use thereof in catalytically effective compositions in hydroformylation.
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WO/2011/108672A2 |
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...
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WO/2011/104208A1 |
The invention relates to a method for preparing a composition essentially including a compound containing vanillin and ethylvanillin. The method for preparing a composition essentially including a compound containing vanillin and ethylva...
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WO/2011/099112A1 |
Provided is a technique for a process for the synthesis of acrolein by reacting glycerol with supercritical water and an acid. In a case where a reaction fluid having a high glycerol concentration is employed to improve the energy effici...
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WO/2011/098418A1 |
The invention relates to a method for producing an m-substituted alkyl toluene of formula (I), R1 being C1-C5-alkyl, characterized in that a p-substituted alkyl toluene of formula (II), where R1 has the meaning indicated in formula (I), ...
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WO/2011/087690A1 |
A method of controlling an in-series, multiple, e.g., two, reaction zone, hydroformylation process for producing normal (N) and iso (I) aldehydes at a N:I ratio, the process comprising contacting an olefinically unsaturated compound with...
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WO/2011/086208A1 |
The present invention relates to a procedure for the production of myrtanal from β-pinene epoxide, comprising as a minimum putting said epoxide in contact with a crystalline microporous catalyst having pores of diameter of at least 0.52...
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WO/2011/087688A1 |
A method of controlling a hydroformylation process for producing normal (N) and iso (I) aldehydes at a N:I ratio, the process comprising contacting an olefinically unsaturated compound, e.g., propylene, with synthesis gas and a catalyst ...
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WO/2011/083225A1 |
The present invention relates to a method for synthesizing acrolein, coupling the dehydration of glycerol into acrolein using a reaction for condensing aldol from acetaldehyde, produced in the impure state during dehydration, by means of...
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WO/2011/082982A1 |
The invention relates to a method for producing C1-C4-oxygenates from a reactant stream (A), which essentially comprises a C1-C4-alkane or a mixture of C1-C4-alkanes, wherein a) a partial stream (B) of the reactant stream (A) is branched...
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WO/2011/083254A1 |
The invention relates to a method for preparing acrolein from glycerol or glycerine, according to which the glycerol or glycerine is dehydrated in the presence of a catalyst that consists of least one silica modified by zirconium dioxide...
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WO/2011/080447A1 |
The present invention relates to the manufacture of bio-based acrolein and acrylic acid from glycerol as raw material and specifically falls within the scope of an acrolein and acrylic acid manufacturing process according to which the re...
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WO/2011/076787A1 |
Disclosed is a method of hydrogenating an1,2-unsaturated carbonylic compound to obtain the corresponding saturated carbonylic compound in the presence of a palladium catalyst with heterogeneous distribution of palladium.
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WO/2011/073552A1 |
The present invention relates to the production of bio-based acrolein and acrylic acid using glycerol as a raw material and, more specifically, relates to a method for manufacturing acrolein and acrylic acid according to which a reaction...
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