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WO/2021/037990A1 |
The present invention relates to a process for the preparation of an aromatic amine by hydrogenation of an aromatic nitro compound, comprising the following steps: (I) providing a copper tetramine salt-based impregnation catalyst, in par...
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WO/2021/039023A1 |
The present invention provides, inter alia, a novel method for producing a compound represented by formula (I) and a novel method for producing a compound represented by formula (B) or a salt thereof, which are intermediates in the produ...
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WO/2021/023119A1 |
Provided is a co-crystal formed by flupentixol dihydrochloride and melitracen hydrochloride, wherein the molar ratio of flupentixol dihydrochloride and melitracen hydrochloride in the co-crystal is 1:1. The co-crystal has a good stabilit...
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WO/2021/023627A1 |
The present invention relates to the field of catalytic hydrogenation and to the use of ruthenium complexes in base-free hydrogenation processes for the reduction of imines into the corresponding amines.
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WO/2021/020258A1 |
A method for producing an aromatic aminomethyl, wherein an aromatic nitrile is hydrogenated in a mixed solvent that contains a hydrocarbon solvent and a polar organic solvent having a solubility parameter (SP value) of 10 or more in the ...
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WO/2021/014437A1 |
The invention relates to a method for the preparation of 2-aminobiphenyls, key intermediates in the preparation of compounds of interest in the agrochemical industry. The process comprises reacting an ortho-substituted aniline and a phen...
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WO/2021/001424A1 |
The invention relates to a method for the purification of aniline, comprising the following steps: a) providing a raw aniline fraction; b) extracting the raw aniline fraction with an aqueous extractant containing, in relation to the tota...
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WO/2021/003162A2 |
Described herein are compositions composed of frustrated Lewis pairs impregnated in porous materials such as, for example, metal-organic frameworks, and their uses thereof. These compositions may allow new applications of frustrated Lewi...
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WO/2021/001044A1 |
Object of the present invention is an improved process for the preparation of key intermediates for the synthesis of Eltrombopag, passing through/using intermediate 5'-Chloro-2'-hydroxy[1,1'-biphenyl]-3-carboxylic acid alkaline metal sal...
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WO/2020/259078A1 |
Provided is a method for preparing an adamantyl-containing triphenylamine derivative, the method comprising first reacting an aryl halogenated adamantane or an aryl adamantane ester with a primary aromatic amine without separation or pur...
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WO/2020/248572A1 |
Antidegradant compound of Formula (I) and antidegradant composition comprising the same and rubber composition comprising the antidegradant compound or composition. The rubber composition has good resistance to appearance discoloration w...
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WO/2020/249427A1 |
A process for the conversion of glycolaldehyde with an aminating agent in the presence of hy-5 drogen and of a catalyst, wherein the conversion is carried out in the gas phase.
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WO/2020/249428A1 |
A process for the manufacture of ethyleneamines and ethanolamines, comprising the steps of (i) converting a glycolaldehyde derivative of formula (II), in which R2, R3 are - the same or different -hydrogen, alkyl, such as C1-6-alkyl, or c...
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WO/2020/249426A1 |
A process for the conversion of glycolaldehyde with an aminating agent in the presence of hy- drogen and of a catalyst in a glycolaldehyde conversion reactor, wherein one or more organic carboxylic acids are fed into the glycolaldehyde c...
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WO/2020/243048A1 |
A process for producing products that comprise linear triethylenetetramine, wherein the process comprises forming a reaction mixture comprising ethylene dichloride and piperazine, wherein the weight ratio of piperazine to ethylene dichlo...
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WO/2020/232027A1 |
Presented herein are color stabilized diamine compositions comprising a diamine and a sulfur compound. The diamine can have an aromatic moiety. The sulfur compound includes methanethiol, ethanethiol, 1-propanethiol, 2-propanethiol, 2-pro...
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WO/2020/228779A1 |
The present invention relates to the technical field of catalyst materials, in particular, to a multi-sandwich composite catalyst, a preparation method therefor and an application thereof. The present invention provides a preparation met...
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WO/2020/217001A1 |
A process for producing tetraethylammonium bromide, and also a process for producing tetraethylammonium tetrafluoroborate from tetraethylammonium bromide, are obtained. These processes make it possible to obtain tetraethylammonium tetraf...
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WO/2020/215895A1 |
The present invention relates to the technical field of medicine, and relates to derivatives represented by formula 1 and formula 2 in which a carboxylic acid group is introduced into the structure of ginkgolide B by means of a hydroxyl ...
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WO/2020/214841A1 |
Salts of hexylamine, for example, hexylamine succinate and tri-hexylamine citrate and their method of production are described. The disclosure also relates to compositions comprises hexyalmine and the use of hexylamine for for reducing a...
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WO/2020/206754A1 |
A solvent-free preparation method for an oxidative coupling high-temperature antioxidant, the specific preparation steps being as follows: adding N-phenyl-α-methylnaphthylamine or alkylated N-phenyl-α-methylnaphthylamine and an alkylat...
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WO/2020/207874A1 |
The invention relates to a catalyst system suitable for hydrogenating aromatic nitro compounds (I) to form the corresponding aromatic amines (II), the catalyst system containing, as essential constituents: a component A selected from the...
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WO/2020/207129A1 |
Disclosed is an ammonium salt with a structural formula represented by formula (I). A synthesis method thereof comprises using 8 mol% zinc chloride as a catalyst, 5 mmol of 1-phenyl-1,3-butanedione, 1.2 g of benzylamine, and 40 mL of chl...
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WO/2020/202131A1 |
A method for obtaining a salt with a general formula: RxNI, wherein: RxN is an organic cation (RxN+), R represents substituents (R-) independently selected from a group consisting of organic substituents: R1-, R2-, R3- and hydrogen (H-),...
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WO/2020/189227A1 |
A method for producing xylylenediamine, which comprises the following steps: (1) a first hydrogenation step wherein a mixed liquid, which is composed of dicyanobenzene and a solvent containing liquid ammonia, is hydrogenated by means of ...
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WO/2020/186264A1 |
Disclosed are compounds, compositions, and methods useful for the oxygen reduction reaction (ORR) and capable of operating efficiently at low overpotentials.
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WO/2020/178219A1 |
A process to produce polyalkylene-polyamines wherein an alkylene-diamine, a hydroxyalkylene-amine and hydrogen are reacted in presence of an heterogenous catalyst comprising copper.
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WO/2020/180825A1 |
This is invention is related to processes for synthesis of levoamphetamine derivatives and novel intermediates thereby, and processes for using the same.
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WO/2020/178085A1 |
The present invention relates to a process for preparing alkanolamines and ethyleneamines in the liquid phase, by reacting ethylene glycol and/or monoethanolamine with ammonia in the presence of an amination catalyst which is obtained by...
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WO/2020/175309A1 |
This catalyst for amide compound hydrogenation is capable of carrying out a reduction reaction that converts an amide compound into an amine compound, and is characterized by including rhodium and molybdenum being supported on hydroxyapa...
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WO/2020/175380A1 |
Provided are a novel amine composition and amine compound. Provided are a production method thereof, as well as an epoxy resin curing agent, an epoxy resin composition, a cured product, a urethane prepolymer curing agent, a polyurethane ...
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WO/2020/166984A1 |
The present invention pertains to: CPNA prepared by reacting 4-CA and F-NO2 with a polar aprotic solvent having a boiling point higher than the reaction temperature, and CPDA prepared by reacting 4-CA and F-NO2 with a sulfur compound hav...
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WO/2020/165338A1 |
The invention pertains to a process for manufacturing ethyleneamine compounds selected from the group of ethyleneamines and hydroxyethylethyleneamines wherein the process comprises two reaction sequences, the first reaction sequence comp...
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WO/2020/165330A1 |
Process for manufacturing ethyleneamine compounds selected from the group of ethyleneamines and hydroxyethylethyleneamines wherein the process comprises two reaction sequences, the first reaction sequence comprising the steps of: - in an...
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WO/2020/162408A1 |
The present invention has the effect of making it possible to produce 1,1,1-trifluoro-2,2-bisarylethane efficiently by a simple procedure by condensing a mixture of fluoral and hydrogen fluoride with an aryl compound under anhydrous cond...
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WO/2020/161146A1 |
The invention pertains to a process for manufacturing alkyleneamine compounds, comprising the steps of - in a reaction medium reacting an alkyleneurea compound comprising at least one primary amine group, or at least one cyclic secondary...
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WO/2020/155835A1 |
The present invention relates to a method for preparing a chiral primary amine, comprising subjecting a simple ketone and an ammonium salt RCOONH4 to a reductive amination under the action of a ruthenium-chiral double phosphine catalyst ...
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WO/2020/152711A1 |
The present invention provides an improved process for the preparation of halogenated benzylamine having the formula I from halogenated benzonitriles, Formula I wherein, X1 is selected from group consisting of hydrogen, chloro or fluoro,...
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WO/2020/140187A1 |
The present invention belongs to the technical field of organic synthesis, and particularly relates to a method for preparing a high purity dimethyl diallyl ammonium chloride monomer in high yield. The preparation method provided by the ...
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WO/2020/133022A1 |
The present invention relates to a Cypyrafluone dimethylamine salt, a preparation method therefor, and use thereof. The present invention specifically relates to a crystal form A of the Cypyrafluone dimethylamine salt, and the X-ray powd...
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WO/2020/129749A1 |
The present invention provides a method for producing primary amines and secondary amines, the method being characterized by reducing a primary amide or a secondary amide in the presence of a reducing agent and an organic metal halide of...
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WO/2020/132406A1 |
The present invention is directed to a method for making a di(aminoaryl)fluorene compound that includes the steps of: (a) reacting a fluorenone compound according structure (I) with excess aminobenzene according to structure (II) wherein...
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WO/2020/126819A1 |
The present invention relates to a process for preparing compounds of the formula (I), starting from compounds of the formula (II), wherein R1, R2, R3 and R3' are defined according to the invention.
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WO/2020/132479A1 |
The present disclosure is directed to a boron-modified ionic liquid compound, the synthesis thereof and an electrochemical cell electrolyte containing the boron-modified ionic liquid compound.
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WO/2020/118163A1 |
Provided are inhibitors of pathogenic, bacterial metabolite production and conjugates of the inhibitors. Also provided are pharmaceutical compositions containing the inhibitors or conjugates and methods of using the same.
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WO/2020/110125A1 |
A method for selectively functionalizing alkanes through a sequential biocatalytic dehydrogenation followed by isomerization-hydrofunctionalization reaction.
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WO/2020/107913A1 |
The present invention discloses a compound shown in a formula I or a salt thereof, wherein R1 is selected from hydrogen, hydroxyl, C1-6 alkyl, substituted C1-6 alkyl, halogen, amino and thiol wherein the substituted C1-6 alkyl group is s...
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WO/2020/103006A1 |
A process for preparing a primary amine by reacting an alcohol with ammonia in the present of a metal catalyst comprising metal nanoparticles, wherein the metal nano-particles comprises at least one transition metal in elemental form and...
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WO/2020/098937A1 |
The invention relates to a method for producing an amine by reacting an alcohol, aldehyde and/or ketone with hydrogen and nitrogen-containing compound in the presence of a silver and/or ruthenium promoted cobalt catalyst. The nitrogen-co...
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WO/2020/101413A1 |
The present invention relates to a method for preparing and device for preparing formic acid and, more specifically, to a device for preparing formic acid and method for preparing formic acid efficiently by using same, the device compris...
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