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WO/2024/152932A1 |
A one-pot method for hydroformylation of 1,3-butadiene under double-ligand tandem relay catalysis. The method comprises the following two steps: step 1) in an inert atmosphere, adding a ligand Lx, an active metal rhodium precursor, 1,3-b...
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WO/2024/135708A1 |
This method is for producing a compound A represented by formula (1), the method comprising at least one of step HX, step ST, or step PR. (The definitions in formula (1) are each described in the description.)　Step HX: A step for intro...
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WO/2024/133081A1 |
A process for the manufacture of acrylic acid in combination with generation of heated steam comprises subjecting a feedstock comprising a renewably-sourced ethanol to dehydration to produce a renewably-sourced ethylene stream, which is ...
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WO/2024/133082A1 |
A process for the manufacture of a chemical of interest comprises subjecting a feedstock comprising a renewably-sourced ethanol to dehydration to produce a renewably-sourced ethylene stream, which is subjected to an olefin-interconversio...
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WO/2024/135497A1 |
The present invention pertains to a catalyst in which the value of a spheroidicity parameter SPHT3 determined by a particle shape measurement using a dynamic image analysis method is 0.9822 or more. Here, the spheroidicity parameter SPHT...
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WO/2024/132695A1 |
Disclosed is a method for converting biomass into adipic acid, successively involving: a) a step of treating the biomass to produce ethanol and CO2; b) a step of converting the ethanol obtained at the end of step a) to obtain 1,3-butadie...
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WO/2024/135496A1 |
The present invention relates to a catalyst having a sphericity parameter SPHT3 value of 0.9820 or less, the sphericity parameter being obtained by particle shape measurement by means of dynamic image analysis. The sphericity parameter S...
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WO/2024/129290A1 |
The present invention relates in part to a method for slowing the polyphosphine ligand usage rate in a hydroformylation process. It has been discovered that when a target concentration of total polyphosphorous compounds comprising polyph...
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WO/2024/123528A1 |
Provided is process preparing an alkyl methacrylate comprising: (a) reacting propionaldehyde and formaldehyde produce methacrolein intermediate stream; (b) subjecting methacrolein intermediate stream produced in step (a) to at least one ...
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WO/2024/123510A1 |
A process of controlling heavies in a recycle catalyst stream, particularly, for use in a continuous hydroformylation process of converting an olefin with synthesis gas in the presence of a hydroformylation catalyst to form an aldehyde p...
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WO/2024/123530A1 |
A process for concurrently producing methacrylic acid and methyl methacrylate comprising: a) producing methacrolein from propionaldehyde and formaldehyde; b) splitting the methacrolein into a first methacrolein stream and a second methac...
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WO/2024/105421A1 |
α,β-Unsaturated aldehydes are useful products as such in agrochemistry, but also potential intermediates for the preparation of important insect pheromones and kairomones. Until now, primarily the thermodynamically more stable (E)-α,Î...
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WO/2024/103456A1 |
Provided are a catalyst for hydroformylation of olefins, a preparation method therefor, and use thereof. The catalyst comprises a metal center, a phosphoramidite ligand containing a carbazole group, and a monosubstituted phosphite ester....
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WO/2024/105255A1 |
The invention relates to method for manufacturing vanillin that comprises at least the following steps: (A) placing at least a specific starting material in a solvent with a liquid oxidant, referred to as "the starting mixture", the mola...
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WO/2024/107323A1 |
Embodiments of the present disclosure are directed towards a heterogenous catalyst composition of formed from using a crystalline porous metal-organic framework (MOF) which reacts in an inverse electron-demand Diels-Alder reaction with a...
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WO/2024/100578A1 |
The purity, crystallization, and granulation of hexamethylenetetramine, which is a crystalline heterocyclic organic compound, were improved by making changes in feed and equipment to increase the scope of application and use in sensitive...
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WO/2024/089225A1 |
The present invention provides, inter alia, a process for preparing a compound of formula (I) wherein the substituents are as defined in claim 1.
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WO/2024/089256A1 |
A process for the manufacture of isononanol, comprises subjecting a feedstock comprising a renewably-sourced ethanol to dehydration to produce a renewably-sourced ethylene stream. The renewably-sourced ethylene stream is subjected to an ...
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WO/2024/086005A1 |
An improved method of making low-impurity 1,3-butylene glycol includes: (a) aldolizing acetaldehyde in a reactor to produce acetaldol; (b) hydrogenating the acetaldol in the presence of a hydrogenation/dehydrogenation catalyst in a hydro...
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WO/2024/083839A1 |
The current invention relates to a Method for extracting phenolic aldehydes from a lignocellulosic biomass comprising the steps of: (i) mechanochemically reacting said lignocellulosic biomass with a dry base, thereby agglomerating said l...
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WO/2024/080203A1 |
The present invention relates to a method for producing a corresponding unsaturated aldehyde by partially oxidizing an alkene using a fixed-bed multi-tube type reactor. The fixed-bed multi-tube type reactor includes a plurality of reacti...
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WO/2024/080208A1 |
The present invention relates to a method that partially oxidizes an alkene using a fixed-bed multi-tubular reactor to produce the corresponding unsaturated aldehyde. The fixed-bed multi-tubular reactor is equipped with a plurality of re...
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WO/2024/072761A1 |
A reactor for producing acrolein and/or acrylic acid from propylene comprises an inlet for propylene to enter the reactor, an outlet for reaction products to exit the reactor, and a catalyst bed disposed between the inlet and the outlet....
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WO/2024/072760A1 |
A reactor for producing (meth)acrolein and/or (meth)acrylic acid from a reactant selected from propylene, isobutylene and tert-butanol. The reactor comprises an inlet for the reactant to enter the reactor, an outlet for reaction products...
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WO/2024/068852A1 |
A process for the preparation of 3,7-dimethyl-octa-2,6-dienal (citral) comprises the steps of a) continuously condensing prenol with prenal in the presence of at least one catalyst in a reaction column with water of condensation being di...
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WO/2024/069119A1 |
The present invention provides A process for the hydroformylation of olefin to produce normal (N) and iso (I) aldehydes at an N:I ratio RA, the process comprising hydroformylating olefin with hydrogen and carbon monoxide in the presence ...
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WO/2024/062407A1 |
The present disclosure provides a process for the synthesis of divanillylmethane. The process includes reacting vanilline with an aqueous solution of formaldehyde in the presence of an acid catalyst.
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WO/2024/046969A1 |
The present invention relates to a method for thermolytic fragmentation of a sugar into C1-C3 oxygenates, comprising cooling the fragmentation product downstream of the reactor to a cooling temperature of from 230°C to 390°C and then s...
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WO/2024/048785A1 |
The present invention addresses the problem of establishing a phenylacetaldehyde production method which gives consideration to environment and safety and is highly efficient. The present invention relates to a phenylacetaldehyde product...
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WO/2024/046970A1 |
The present invention relates to a method for thermolytic fragmentation of a sugar into C1-C3 oxygenates, comprising separating solids from the fragmentation product, wherein the temperature of the fragmentation product at an outlet of t...
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WO/2024/042246A1 |
The present invention relates to a process for the preparation of N-[(Z)-3-(3-chloro-4- cyclohexylphenyl)prop-2-enyl]-N-ethylcyclohexanamine or a salt thereof of the following formula (II).
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WO/2024/041521A1 |
Disclosed are methods for constructing conjugates. An amine-containing component and a thiol-containing component, in comparable mole ratios, react with an ortho-phthalaldehyde in one step, to generate a conjugate bearing a substituted o...
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WO/2024/037905A1 |
The present invention relates to a method for producing bulk catalyst shaped bodies for gas-phase oxidation of an alkene and/or an alcohol to form an α,β-unsaturated aldehyde and/or an α,β-unsaturated carboxylic acid, wherein a precu...
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WO/2024/021969A1 |
The present invention provides a method for controlling aniline impurities that are difficult to treat in waste brine in a DAM production process, the method comprising the following steps: (1) in the presence of an iron-molybdenum catal...
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WO/2024/017514A1 |
The invention relates to a process for preparing, by hydroformylation, short-chain olefins, more particularly C2 to C5 olefins, in a reactor, wherein the catalyst system is heterogenized on a porous ceramic material support, and synthesi...
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WO/2024/017513A1 |
The invention relates to a process for preparing, by hydroformylation, short-chain olefins, more particularly C2 to C8 olefins, wherein the catalyst system, which comprises a metal of group 8 or 9 of the periodic system of elements, at l...
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WO/2024/014325A1 |
An aromatic compound configured from a stable isotope, wherein two adjacent carbon atoms are 13C, the nuclear spin quantum number of the other atoms to which the two adjacent carbon atoms bond is 0, and a hydrogen atom that has a spin co...
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WO/2024/008924A1 |
Process There is provided a process for the at least partial condensation of an oxygenate mixture the process comprising the steps of: (a) providing a vapour phase oxygenate mixture obtained from fragmentation of an aqueous solution of c...
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WO/2024/006155A1 |
Acrylic acid is produced by dehydrating glycerol over a first mixed metal oxide catalyst in the presence of oxygen and water to produce acrolein, and then oxidizing the acrolein over a second mixed metal oxide catalyst in the presence of...
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WO/2024/000825A1 |
The present application relates to a method for selectively oxidizing styrene in water. The method comprises: adding styrene, a catalyst and an oxidizing agent to a reaction solvent, performing an oxidation reaction at 25-55°C, and filt...
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WO/2024/002503A1 |
The present invention relates to a method for producing an odorant or fragrance whilst carrying out thermal rearrangement reactions of chemical compounds under mild and resource-conserving conditions in a thin-film evaporator under disti...
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WO/2023/243499A1 |
An aldehyde composition that contains an aldehyde represented by formula (1) and an aldehyde represented by formula (2), the mass ratio [(1)/(2)] of the aldehyde represented by formula (1) and the aldehyde represented by formula (2) bein...
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WO/2023/237721A1 |
Herein described are diaryl ether compounds having the structure (I) as well as a method for their manufacture from lignin.
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WO/2023/237868A1 |
A method for the production of at least one alcohol is provided. The method comprises providing a crude aldehyde stream comprising at least one aldehyde to at least one liquid phase hydrogenation reactor, and hydrogenating the at least o...
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WO/2023/232123A1 |
Provided are a sesquiterpene polyketone compound, a pharmaceutical composition, and use thereof as an immunomodulator and in preventing and treating immune diseases. Biological activity assay shows that the sesquiterpene polyketone compo...
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WO/2023/234382A1 |
Provided is a means with which trioxane can be continuously produced at a high yield.　Provided is a composition that contains (A) 58.5-65.5 mass% of formaldehyde, (B) 0.7-4.5 mass% of methanesulfonic acid, and (C) less than 0.007 mass%...
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WO/2023/232125A1 |
The present invention relates to a sesquiterpene polyketone compound that can be used as immunomodulator, or a pharmaceutical composition. An activity experiment shows that the sesquiterpene polyketone compound provided by the present in...
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WO/2023/232245A1 |
Suggested are cyclopropyl derivative according to formula (I) R1-R2 wherein R1 represents a cyclopropyl or C1-C6-alkylcyclopropyl residue; R2 stands for a -CO-R3 or –(CH2)n-R4 radical; R3 stands for linear or branched C1-C6 alkyl; R4 s...
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WO/2023/230404A1 |
An alpha olefin synthesis process includes (i) subjecting a first normal alpha olefin to hydroformylation in the presence of carbon monoxide and hydrogen to form a first linear aldehyde, (ii) subjecting the first linear aldehyde to decar...
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WO/2023/222895A1 |
Organically bound nitrogen is removed from an ethylenically unsaturated alcohol stream by contacting the alcohol stream with a weakly acidic solid adsorbent. Trace amounts of organically bound nitrogen tend to poison the oxidation cataly...
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