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WO/2022/106158A1 |
The invention relates to a process for preparing α,β-ethylenically unsaturated carboxylic acids by two-stage catalytic gas phase oxidation of alkenes, in which a gas stream (1) containing at least one alkene, in a first reactor (A) in ...
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WO/2022/102465A1 |
Provided is an aldehyde composition that contains an aldehyde represented by formula (1) and an aldehyde represented by formula (2). The mass ratio of the aldehyde represented by formula (1) and the aldehyde represented by formula (2), (...
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WO/2022/095307A1 |
Provided in the present disclosure is a process for preparing trioxymethylene from methanol, comprising: step 1: preparing and obtaining formaldehyde from a mixture of methanol and methylal under the action of an oxidation catalyst, and ...
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WO/2022/090762A1 |
The present invention concerns dispiroindenopyridines and dispiroindenopyridazines and derivatives thereof, methods for their preparation, the study and definition of their properties, and their uses. In particular, the present invention...
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WO/2022/089867A1 |
This disclosure relates to a primary alcohol composition of linear and branched C11, C13, C15, C17, C19 or C21 primary alcohols, wherein at least 50 % of the branched alcohol chains are mono-branched chains with a branch at the second ca...
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WO/2022/087704A1 |
The present invention describes a process for preparing alkoxylated polyacrylates via an aromatic solvent-free polymerization reaction, and the alkoxylated polyacrylates thus obtained. The present invention also refers to the use of alko...
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WO/2022/079434A1 |
A process for the production of formaldehyde from methanol is disclosed. The process comprises the steps of: feeding to a reactor a feed stream comprising the methanol and an oxygen-containing gas; reacting the methanol in the gas phase ...
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WO/2022/077851A1 |
The present invention discloses a 1,4-dihydropyridine chiral hybrid hydrogenation reagent, a preparation method and an application thereof. The 1,4-dihydropyridine chiral hybrid hydrogenation reagent has a structure represented by formul...
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WO/2022/073115A1 |
Compounds of Formula I or II, methods of preparation and of use thereof. Formula I has a core aromatic group with substituents as follows: Formula (I) wherein G1 is -(CH2)nC(R1)(R2)OH, -(CH2)n-CHO, -(CH2)nC(O)NR1R2, -(CH2)nCH (R1)NR1R2, ...
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WO/2022/069559A1 |
The present invention relates to a method for performing a condensation reaction by heterogeneous catalysis using a surface-reacted calcium carbonate catalyst and the use of a dry surface-reacted calcium carbonate as a catalyst. The cond...
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WO/2022/072185A1 |
Processes for preparing aldehydes from olefins under hydroformy!ation temperature and pressure conditions are disclosed. The processes include a step of contacting at least one olefin with hydrogen and carbon monoxide in the presence of ...
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WO/2022/069553A1 |
The invention relates to a method for producing benzaldehyde oximes of the general formula (I) and to the use thereof as important precursors for the synthesis of agrochemical and pharmaceutical active substances.
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WO/2022/070992A1 |
A method for producing a fluorinated aromatic aldehyde, the method including: a first step for reacting a halogenated aromatic aldehyde having a specific structure and an alkali metal fluoride while heating in the presence of a catalyst ...
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WO/2022/065116A1 |
A catalyst precursor that has an average particle diameter (D50), being the particle diameter at which the cumulative volume fraction reaches 50%, of 10–40 μm and is indicated by formula (1). Moa1Bib1Nic1Cod1Fee1Xf1Yg1Zh1Oi1 ... (1)...
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WO/2022/063620A1 |
The invention relates to a process for the dehydrogenation of a feedstock comprising ethanol, using at least one multitubular reactor advantageously comprising a plurality of tubes comprising at least one dehydrogenation catalyst, and a ...
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WO/2022/058188A1 |
A process for the continuous production of glyoxal in a reactor by oxidation of ethylene glycol in the gas phase with oxygen, cooling the reaction mixture to obtain an aqueous solution of glyoxal and a glyoxal depleted, carbon dioxide an...
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WO/2022/060867A1 |
Provided herein are fermentation compositions and methods for improved production of vanillin and/or glucovanillin in the presence of para-aminobenzoic acid (PABA, 4-aminobenzoic acid). The compositions and methods described herein provi...
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WO/2022/058019A1 |
The present invention primarily relates to compounds of formula (I) as defined herein and to compositions comprising one, two, three or more compounds of formula (I) as defined herein, or consisting of two, three or more compounds of for...
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WO/2022/059959A1 |
An aldehyde preparation method according to one embodiment of the present application comprises steps in which: a reaction product comprising an aldehyde is formed by reacting an olefin-based compound and a synthetic gas in the presence ...
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WO/2022/053546A1 |
The first aspect of the disclosure concerns a process for transforming liquefied natural gas (LNG) (3; 7) into liquid petrochemicals (23), comprising the steps of providing an LNG stream (3; 7); regasifying said LNG stream (3; 7), to pro...
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WO/2022/047132A1 |
The present disclosure relates to oxidation catalyst compositions comprising a platinum group metal (PGM) component comprising palladium, platinum, or a combination thereof; a manganese component; and a first refractory metal oxide suppo...
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WO/2022/046421A1 |
Processes are disclosed for preparing at least one aldehyde under hydroformylation temperature and pressure conditions, comprising contacting at least one olefin with hydrogen and carbon monoxide in the presence of at least one hydrocarb...
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WO/2022/041617A1 |
A diphosphite, a preparation method therefor and the use thereof. The diphosphite has a structure as represented by formula (I) in the description, and has a 3-(2-hydroxybenzene)pyridine-2-phenol unit, and can serve as a ligand of a tran...
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WO/2022/038350A1 |
A process for producing an aldehyde is disclosed. The process comprises: hydroformylating an olefin to form the aldehyde using a hydroformylation catalyst; recovering an effluent stream comprising the aldehyde, hydrogen and the hydroform...
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WO/2022/036839A1 |
Provided are an external micro-interface strengthening system and method for preparing butyl octanol by carbonylation of propylene. The external micro-interface strengthening system comprises a carbonyl synthesis reactor, the side wall o...
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WO/2022/035616A1 |
A process of producing allyl alcohol by reacting glycerin with ReO3-AI2O3 in the presence of gamma-valerolactone (GVL) in a reactor is described. More specifically, a process to produce allyl alcohol, comprising the step of: a) reacting ...
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WO/2022/028557A1 |
A 18F-labeled biphenyl compound, an intermediate thereof, a preparation method therefor, a pharmaceutical composition thereof, and application thereof. The biphenyl compound has a significant suppression effect on PD-1 and/or PD-L1, can ...
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WO/2022/032269A1 |
A process for the treatment of sulfidic spent caustic, conditioned catalyst regeneration vent gas, C4 isomerization off gas, various and hydrocarbon containing liquid and gaseous streams in addition to toxic containing streams like cyani...
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WO/2022/021625A1 |
The present invention provides a preparation system and method for halogenated benzaldehyde. The preparation system comprises a batching tank and a gas-liquid enhanced reactor which are connected in sequence; a solvent, halogenated tolue...
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WO/2022/021626A1 |
Disclosed are a reaction system and method for preparing a halogenated benzaldehyde by oxidizing a halogenated toluene. The reaction system comprises: a batching tank and a gas-liquid intensification reactor connected in sequence. After ...
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WO/2022/018054A1 |
The present invention relates to the field of perfumery. More particularly, it concerns valuable new chemical intermediates for producing perfuming ingredients. Moreover, the present invention also comprises a process for producing compo...
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WO/2022/016267A1 |
The present invention relates to senotherapeutic drags targeting cellular senescence for age-related diseases such as intervertebral disc degeneration and cancer. More particularly, there is disclosed a pharmaceutical composition compris...
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WO/2022/019141A1 |
The purpose of the present invention is to provide a production method whereby it is possible, in a crossed aldol condensation reaction, to obtain a target aldehyde at high yield while satisfying selectivity by using titanium oxide and i...
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WO/2022/019142A1 |
The purpose of the present invention is to provide a production method whereby it is possible, in a crossed aldol condensation reaction, to obtain a target aldehyde at high yield and high selectivity by using a cation-exchange resin. The...
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WO/2022/004778A1 |
[Problem] To provide a method for partially oxidizing an alkane, the method making it possible to obtain an aldehyde from an alkane with high selectivity. [Solution] The present invention relates to a method for partially oxidizing an al...
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WO/2022/003710A1 |
The present invention relates to a chemical process for the production of substituted phenylaldehydes such as vanillin (1a) from substituted phenylpropenes or substituted phenylpropenes enriched essential oils such as eugenol (2a) or eug...
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WO/2021/254194A1 |
A fixed bed propanal synthesis reactor, comprising a reaction cylinder body (1), a spherical sealing head (2) is fixedly provided at the top of the reaction cylinder body (1), two heat exchanging tube plates (3) are fixedly provided with...
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WO/2021/253712A1 |
A preparation method for a novel metal composite oxide catalyst, comprising preparing a metal salt mixture solution; adding a precipitant solution into the metal salt mixture solution to prepare a layered bimetallic hydroxide precursor, ...
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WO/2021/250030A1 |
The present invention relates to a process (100, 200) for producing propylene, in which process: using a steam cracking method (10) and one or more fractionations (10a, 10b, 90a), a first substance flow (1) is provided that is rich in et...
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WO/2021/185072A9 |
Disclosed in the present invention are a crystal form of aromatic vinyl derivatives, and a preparation method therefor and the use thereof. Specifically disclosed in the present invention are crystal form A, crystal form B and crystal fo...
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WO/2021/247855A1 |
A process for producing acetic acid is provided that is capable of lowering acetaldehyde mass composition in acetic acid. The process for producing acetic acid according to the present invention comprises at least one distillation step t...
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WO/2021/243872A1 |
Disclosed is a horizontal formaldehyde oxidizer, comprising a first barrel body, a second barrel body and a fourth barrel body, wherein third barrel bodies are arranged on both the left side wall of the first barrel body and the right si...
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WO/2021/242987A1 |
The present disclosure provides a process. In an embodiment, the process includes providing a first blend composed of nonanals, C8 olefins and C7-C9 alkanes. The process includes adding, to the first blend, a component selected from C4 a...
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WO/2021/237371A1 |
The present application describes process for preparing an ortho-allylated hydroxy aryl compounds such as compounds of Formula (I) by reacting an allylic alcohol with a hydroxy aryl compound in the presence of aluminum compound selected ...
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WO/2021/242962A1 |
The present disclosure provides a process. In an embodiment, the process includes providing a purge stream composed of octene isomers. The process includes subjecting the purge stream to hydroformylation conditions, and forming a reactio...
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WO/2021/242971A2 |
The present disclosure provides a composition. In an embodiment, the composition includes 2-heptylundecanol; a member selected from the group consisting of 2-ethyhexanol and 2-propylheptanol; and a mixture of an alcohol (1) and an alcoho...
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WO/2021/227875A1 |
Disclosed is a method for preparing acetaldehyde from acetylene under the catalysis of a ZAPO molecular sieve. The method comprises the steps of pre-heating an acetylene raw material gas and water, subjecting same to continuous hydration...
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WO/2021/231111A1 |
Various processes for preparing C4 aldoses and/or ketones thereof are described. Various processes are described for preparing C4 aldoses and/or ketones thereof from feed compositions comprising glycolaldehyde. Also, various processes fo...
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WO/2021/231089A1 |
Various processes for the pyrolysis of carbohydrates to prepare products such as glycolaldehyde are described. Also, various catalysts and processes for preparing catalysts useful for carbohydrate pyrolysis are described.
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WO/2021/226149A1 |
Provided herein are a method of Ru(II)-catalyzed enantioselective synthesis of a cyclic compound and cyclic compounds formed therefrom. The method includes providing a precursor compound having an unfunctionalized C-H bond and activating...
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