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Matches 1 - 50 out of 9,530

Document Document Title
WO/2022/168979A1
The present invention relates to a polyimide compound represented by formula (I) (in the formula, each symbol has the same meaning as disclosed in the specification).  
WO/2022/167387A1
The invention describes a process for producing carbon monoxide which is intended to be incorporated into a process for producing isocyanates by synthesis (1) of phosgene (1a) from carbon monoxide (9a) and chlorine (12b), reaction (2) of...  
WO/2022/149618A1
The present invention provides a method for producing a compound having alkylated acidic functional groups. The method includes alkylating acidic functional groups by reacting, in a mixture containing a compound having two or more types ...  
WO/2022/136206A1
A Process for the Preparation of N-(bis(4-methoxyphenyl)methyl)-6-oxo-2-(pyridazin-3-yl)-1,6- dihydropyrimidine-5-carboxamide with improved reaction conditions and reduced use of toxic reagents and solvents.  
WO/2022/133594A1
The present disclosure relates to methods for the hydroaminoalkylation of an olefin. Such methods can comprise reacting the olefin with a secondary amine in the presence of a catalyst of Formula (I). The present disclosure also relates t...  
WO/2022/140654A1
The present disclosure relates to compositions and methods related to bicyclo[2.2.1] heptanamine-containing compounds and salts thereof.  
WO/2022/129117A1
The present invention relates to compounds of a formula (I), (II) or (III), processes for preparing compounds of this type, electronic devices containing one or more of these compounds, and the use of these compounds in electronic devices.  
WO/2022/126942A1
The present invention relates to the field of synthesis and preparation of medical intermediates. Disclosed is a synthesis method for a medical intermediate cyclopropyl-containing chiral amine hydrochloride. According to the present inve...  
WO/2022/120945A1
A hole transport material, a preparation method therefor and an electroluminescent device. The main chain of the molecular structure of the hole transport material has a spiroanthracene fluorene structure, and the branched structure of t...  
WO/2022/112581A2
The invention relates to a process for the decomposition of polyurethane, according to which a polyurethane-containing material is heated to a temperature of 190°C to 250°C in the presence of a 1 to 45 wt.% urea-containing aqueous solu...  
WO/2022/106552A1
The present invention relates to a method for reducing the acid value in a provided polyol to obtain an upgraded stabilized polyol composition, said method comprising following process steps: - Solubilizing ammonia in a distillable alcoh...  
WO/2022/106685A1
The invention relates to a distillation unit (100 000) which is designed for a continuous distillation process and to a method for a continuous operation for separating a liquid substance mixture (10) into two to six liquid product flows...  
WO/2022/101627A1
The present invention provides a method of making an enantiomerically enriched tertiary or quaternary ammonium salt, and the use of a non-racemic chiral compound in the synthesis of an enantiomerically enriched tertiary or quaternary amm...  
WO/2022/099173A1
Metal Organic Frameworks (MOFs), methods of using the MOFs for harvesting water from air, and methods of making the MOFs are provided. The water-harvesting MOFs include a metal organic framework molecule having positively charged, linker...  
WO/2022/097609A1
Provided is a production method capable of producing a 9,9-bis (3,5-dialkyl-4-aminophenyl) fluorene compound in a high yield. A 9,9-bis (3,5-dialkyl-4-aminophenyl) fluorene compound represented by general formula (2) below is produced by...  
WO/2022/088301A1
Provided is a method for synthesizing m-phenylenediamine. The method involves synthesizing iso-phthalimide from m-phthalodinitrile, anhydrous sodium carbonate and hydrogen peroxide, as raw materials, under the action of a catalyst; and t...  
WO/2022/088300A1
The present invention relates to the technical field of petrochemical organic synthesis, and in particular, to a preparation method for m-phenylenediamine. m-Phenylenediamine is prepared by using m-phthalodinitrile as a reaction raw mate...  
WO/2022/089404A1
Disclosed are a catalyst suitable for synthesizing organic amines by means of catalytic amination, and preparation and use thereof. The catalyst comprises an inorganic porous carrier containing aluminum and/or silicon and active metal co...  
WO/2022/089487A1
Disclosed in the present invention is a catalyst for preparing diamine by hydrogenation of dinitrile, comprising the following components or reaction products thereof: a) active components, which comprise Ni and/or oxides thereof; b) add...  
WO/2022/092260A1
The present invention addresses the problem of providing a cross-coupling reaction method that can use a wide variety of compounds as starting materials, that can substantially not use organic solvent, and that can rapidly provide reacti...  
WO/2022/089425A1
Disclosed are a catalyst suitable for preparing organic amines by means of catalytic amination, and preparation and use thereof. The catalyst comprises an inorganic porous carrier containing aluminum and/or silicon and active metal compo...  
WO/2022/088303A1
A method for preparing m-phenylenediamine. The method comprises: under the protection of nitrogen, by using water as a solvent and using sodium hypochlorite and isophthalimide as reaction raw materials, performing Hofmann degradation rea...  
WO/2022/078306A1
The present invention relates to the technical field of organic synthesis and chemical catalysis. Disclosed are a large steric hinderance palladium-nitrogen-heterocyclic carbene complex, a preparation method for same, applications of sam...  
WO/2022/082148A1
Processes and systems for producing isomeric mixtures of aromatic amine monomers from aromatic feeds. An example process for producing isomeric mixtures of aromatic amine monomers from aromatic feeds may include nitrating at least a port...  
WO/2022/076219A1
The present disclosure relates generally to a carbon-neutral process for the generation of carbon-neutral hydrogen and carbon-neutral electricity. More specifically, the present disclosure relates to compositions, methods and apparatus e...  
WO/2022/067747A1
Provided is a method for controlling TOC in effluent brine in a DAM production process, the method comprising the following steps: (1) subjecting formaldehyde and aniline to a condensation reaction and a transposition rearrangement react...  
WO/2022/071874A1
The present invention relates to an improved process for separating p-phenylenediamine from a mixture containing o-phenylenediamine, aminobiphenyls and diphenylamine by means of distillation coupled with crystallization, wherein the dist...  
WO/2022/065142A1
The present invention provides a method for producing a tertiary amine composition, said method comprising the steps (1) to (3) described below. Step (1): an amination reaction step wherein dimethyl amine and an aliphatic aldehyde or a...  
WO/2022/048662A1
Disclosed is a preparation method for a bio-based nylon 5X fiber material. The method comprises the following steps: 1) mixing a 1,5-pentanediamine mixed fermentation liquid and a dibasic acid for a polymerization reaction, obtaining a n...  
WO/2022/042529A1
An organic proton-type ionic liquid, a thin film with a two-dimensional perovskite pure-phase quantum well structure, a preparation method therefor and the use thereof. The chemical formula of an organic proton-type alkylamino acetic aci...  
WO/2022/045175A1
A purpose of the present invention is to provide a compound useful as a co-catalyst to be used in polymerization reactions of olefins, dienes, and acetylenes. According to the present invention, a fluorine-containing alkyl ammonium borat...  
WO/2022/030522A1
A purpose of the present disclosure is to provide a novel method for lowering the concentration of dimethylamine, diethylamine, ethylpropylamine, and ethylisopropylamine in crude trialkylamine. The present disclosure is a method for puri...  
WO/2022/019105A1
The present invention provides a method for producing an aromatic aminomethyl, wherein an aromatic nitrile is hydrogenated in an organic solvent that contains a polar organic solvent having a solubility parameter (SP value) of 9 or more ...  
WO/2022/014356A1
The present invention provides a method for producing an anion exchange resin, which is able to produce an electrolyte membrane that has excellent mechanical characteristics (strength). When an anion exchange resin, wherein a hydrophob...  
WO/2022/014414A1
The purpose of the present invention is to provide a method for more efficiently producing specific optically active compounds including optically active 1-acetyl-2,2,4-trimethyl-1,2,3,4-tetrahydroquinoline. The present invention provi...  
WO/2022/012004A1
The present invention provides a catalyst modified by a phosphine ligand, and a preparation method and an application of the catalyst. The preparation method in the present invention uses a phosphine ligand M to modify Pd4S or Pd4S/X to ...  
WO/2022/013077A1
The invention relates to a method for recovering at least one aliphatic, araliphatic or cycloaliphatic diamine from a mixture containing at least 35 wt.% water and 0.2 to 60 wt.% of the at least one aliphatic, araliphatic or cycloaliphat...  
WO/2022/012098A1
Disclosed are a hydrogenation catalyst, a preparation method therefor and use thereof. The hydrogenation catalyst includes a carrier and an active component supported on the carrier, wherein the carrier is nitrogen-doped carbon, and the ...  
WO/2022/014413A1
The purpose of the present invention is to provide a novel method for producing optically active 1,1,3-trimethyl-4-aminoindane by means of a preferential crystallization method using an achiral acid and without using an optically active ...  
WO/2022/009860A1
The present invention relates to an aliphatic diamine isomerization method involving an isomerization step in which an aliphatic diamine represented by formula (1) is isomerized in the presence of an imine compound, which is obtained by ...  
WO/2022/004509A1
Provided is a method for producing a very safe substance which can be used as a catalyst which exhibits excellent activity. The present invention provides a method for producing a composite of a titanium compound [B1] and an ammonium h...  
WO/2022/004516A1
The alkylamine composition of the present disclosure is characterized by containing 99.5 vol% or more of alkylamines represented by general formula (1) and having a water content of 10-100 mass ppm (inclusive). (In general formula (1), N...  
WO/2021/251248A1
Provided are: a hydrocracking catalyst capable of hydrocracking a carbon-heteroatom bond in a substrate organic compound containing the carbon-heteroatom bond, the hydrocracking catalyst comprising at least a palladium catalyst and a car...  
WO/2021/250468A2
The present disclosure relates to the fields of chemistry and medicine, more particularly to processes for making 4-(2-chloro-4-methoxy-5-methylphenyl)-N-[(1S)-2 -cyclopropyl-1-(3 -fluoro-4-methylphenyl)ethyl]-5-methyl-N-prop-2-ynyl-1,3-...  
WO/2021/245255A1
The present invention pertains to a process for obtaining a metal or metalloid oxide porous material containing metal or metalloid nanoparticles selectively dispersed within the pores. This invention is also directed to the material thus...  
WO/2021/241551A1
A metal-supporting nonwoven fabric is provided which enables efficiently synthesizing a target substance when used as a flow reaction catalyst. This metal-supporting nonwoven fabric includes metal particles and a nonwoven fabric that inc...  
WO/2021/238044A1
The present invention provides a supported metal sub-nano catalyst, comprising heteropolyacid-modified carbon nanotubes and metal sub-nano particles supported thereon, wherein the metal sub-nano particles are selected from platinum sub-n...  
WO/2021/236971A1
A highly active and selective solid catalyst comprising stable single-atom iridium (Ir) anchored in a zeolite, e.g., ZSM-5, for upcycling of plastics, such as high-density polyethylene, to yield valuable lower molecular weight hydrocarbo...  
WO/2021/232232A1
A method for preparing amantadine, comprising the following steps: (1) under the catalysis of a Lewis acid, performing a chlorination reaction on adamantane and chlorine in a solvent, and removing the solvent and a catalyst-containing re...  
WO/2021/233887A1
The invention relates to a method for preparing a toluylene diamine mixture which, along with toluylene diamine (TDA), also contains a high-boiling fraction, such as the high-boiling fraction which is accumulated as a sump flow in the di...  

Matches 1 - 50 out of 9,530