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WO/2020/015675A1 |
The present invention belongs to the technical field of semiconductors. Disclosed are a compound having triarylamine as a core and an application thereof. The structure of the compound provided in the present invention is represented by ...
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WO/2020/011725A1 |
A method for purifying ethanolamine from a fermentation composition and products thereof.
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WO/2020/011567A1 |
The invention relates to solutions of alkali metal amides MNR1R2, wherein M is an alkali metal, selected from Li, Na, K, Rb, Cs; and R1 and R2 represent, independently of one another, linear, branched or cyclic alkyl groups having 1 to 8...
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WO/2020/007032A1 |
Disclosed is a method for synthesizing 2,4,6-trifluorobenzylamine, belonging to the technical field of chemical synthesis, and comprising the following steps: (1) reacting pentachlorobenzonitrile as a raw material in 2,4,6-trifluoro-3,5-...
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WO/2020/007770A1 |
The invention relates to a process for producing compounds containing at least one arylamino group by means of a palladium-catalysed coupling reaction of an arylamino compound with an aryl compound, using LiOtBu as a base.
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WO/2020/000165A1 |
A process for the amination of alcohols by reacting the alcohol with ammonia or an ammonia precursor in the presence of hydrogen, wherein a core-shell catalyst is used comprising at least one metal selected from the group consisting of m...
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WO/2019/237005A1 |
The present disclosure provides methods for preparing polyunsaturated hydrocarbons, such as E,E-farnesol, farnesyl acetate and squalene, by base catalyzed addition of a dialkylamine to a 3-methylene-1-alkene, such as farnesene. The prese...
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WO/2019/235862A1 |
Provided is a method for manufacturing diisocyanate and an optical lens in which, during the manufacture of diisocyanate from diamine via diamine hydrochloride, use is made of an aqueous hydrochloric acid solution and an organic solvent ...
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WO/2019/232711A1 |
A method for the amination of an alcohol comprising contacting the alcohol with NH 3 and H 2 in the presence of a catalyst is described. A method of preparing metallic ruthenium nanoparticles of controllable size and the use of metallic ...
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WO/2019/230692A1 |
Provided are a method for producing a compound that exhibits an excellent storage stability and excellent handling characteristics, the compound, and an epoxy curing agent containing the compound. A method for producing a compound repres...
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WO/2019/229239A1 |
A compound of formula (I) wherein: M is selected from Mo or W; X is selected from O or NR5; R1 and R2 are independently selected from H, C1-6 alkyl, and aryl; C1-6 alkyl and aryl optionally being substituted with one or more of C1-6 alky...
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WO/2019/222834A1 |
This application pertains to group 5 metal complexes having the structure of Formula I: and their potential utility in catalyzing amination of polyolefins having alkene groups.amine-
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WO/2019/225742A1 |
Constructed is a technology capable of coupling organic compounds efficiently, inexpensively, simply, and in a short time by a small number of steps. A method for coupling organic compounds, wherein the method for coupling organic compou...
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WO/2019/225541A1 |
[Problem] To provide a quaternary alkylammonium hypochlorite solution having excellent storage stability, and a method for manufacturing the same. [Solution] A method for manufacturing a quaternary alkylammonium hypochlorite solution, in...
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WO/2019/224179A1 |
The present invention relates to a method for preparing substituted 4-aminoindane derivatives from 2- (hydroxyalkyl)-anilines by cyclization, (I) in which the substituents R1, R2, R3 and R4 have the definitions as specified in the descri...
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WO/2019/224181A1 |
The present invention primarily relates to a process for producing certain substituted 2-allylanilines of the hereinbelow-defined formula (I) and their use in a process for producing substituted 4-aminoindane derivatives of the hereinbel...
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WO/2019/222063A1 |
A compound by the name 1,1,1-tris(di(3,5-dimethoxyphenyl)phosphinomethyl)ethane. The compound can be represented by the structure of formula (I). The compound is useful as a ligand for ruthenium to form an organometallic complex. The com...
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WO/2019/219942A1 |
Provided is a process for producing an amine via a hydroaminoalkylation reaction of a non-aromatic C-C double bond or C-C triple bond, said process comprising a step of reacting a compound comprising a non-aromatic C-C double bond or C-C...
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WO/2019/222127A1 |
The present disclosure provides a quaternary ammonium hydroxide solution comprising a reaction product of a polyamine and an organic oxirane. The quaternary ammonium hydroxide solution may be used in various applications, such as in remo...
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WO/2019/206694A1 |
A process to increase the fraction of trans-isomers of a mixture of 2,4- diamino-1-methylcyclohexane and 2,6-diamino-l-methylcyclohexane, shortly referred to as MCDA, by a continuous process, comprising various steps of distillation, iso...
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WO/2019/198778A1 |
Provided is a production method for a cyclohexanedicarboxylic acid having a step for obtaining a cyclohexanedicarboxylic acid or an aqueous ammonia solution of a cyclohexanedicarboxylic acid by bringing a phthalic acid in an aqueous ammo...
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WO/2019/198779A1 |
A method for producing a 1,4-cyclohexanedicarboxylic acid derivative, comprising the step of concentrating an aqueous ammonia solution of 1,4-cyclohexanedicarboxylic acid by heating to precipitate the 1,4-cyclohexanedicarboxylic acid der...
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WO/2019/196132A1 |
Disclosed by the present invention are a pentanediamine sebacate salt and a crystal thereof, as well as a preparation method therefor. The pentanediamine sebacate salt is a salt that is formed by binding a pentanediamine divalent cation ...
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WO/2019/198782A1 |
The present invention provides a novel method for preparing a dicyanoalkane, wherein a filtration step for a catalyst after a cyanation reaction step can be omitted by carrying out the cyanation reaction in a state in which precipitation...
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WO/2019/193117A1 |
A two-step one-pot process for reacting glycolaldehyde with an aminating agent in the presence of a reactive organic fluid for instance a reactive solvent is provided. The first step comprises of contacting glycolaldehyde with an aminati...
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WO/2019/192903A1 |
The invention relates to a method for producing specific amines, wherein, in a first step, a corresponding amino alcohol is reacted with a suitable carbonyl compound and subsequently, in a second step, the intermediate obtained in the fi...
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WO/2019/189274A1 |
The purpose of the present invention is to provide a tetraalkyl ammonium nitrite production method that makes it possible to achieve efficient production and/or makes it possible to improve the purity of a target substance. A tetraalkyl ...
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WO/2019/186522A1 |
The present invention generally relates to an improved process for preparation of lopinavir and its intermediates through formation of tartrate salt of compound of Formula (III).
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WO/2019/179110A1 |
Disclosed are a catalysis test paper prepared by compounding bacterial-cellulose-supported metal particles with plant fibers, and a preparation method therefor. Hydroxyl groups of bacterial cellulose are bonded with a nitrogen- or phosph...
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WO/2019/180627A1 |
The present invention relates to an improved asymmetric synthesis of alpha- (diarylmethyl) alkyl amines (hereafter referred to as the compound (1)) or its pharmaceutically acceptable salt and derivatives. The process comprises an unusual...
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WO/2019/179287A2 |
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WO/2019/180547A1 |
The present invention provides a process for the preparation of vigabatrin of formula (I) comprising of dissolving vigabatrin in water, optionally treating with charcoal, filtering and adding an acid to the reaction mass followed by the ...
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WO/2019/174221A1 |
The present invention pertains to a process for producing an amine from an aldehyde or a precursor thereof, or a ketone in a solvent system containing water. The process is more environmentally friendly and permits to obtain an amine com...
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WO/2019/170009A1 |
Disclosed in the present invention are a memantine paroxetine eutectic salt, a preparation method therefor, a pharmaceutical composition and use thereof. The eutectic salt of the present invention is a memantine paroxetine sulfate hydrat...
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WO/2019/168135A1 |
The present invention relates to a method for converting an N,N-dialkylamide compound into an ester compound using, as a catalyst, a complex of a fourth-period transition metal, the complex being obtained by reacting a precursor includin...
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WO/2019/166483A1 |
The present invention relates to a process for separating at least one alkanolamine from a mixture comprising an aliphatic primary diamine and the at least one alkanolamine. The invention further relates to a process for the preparation ...
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WO/2019/167043A1 |
The present disclosure concerns processes for regenerating organocations from perchlorate-rich waste products, more specifically transformation of water-insoluble organocation-perchlorate salt, originating from perchlorate-removal water ...
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WO/2019/166482A1 |
The present invention relates to a process for purifying hexamethylenediamine. The invention further relates to a process for the preparation of hexamethylenediamine by hydrogenating adiponitrile in the presence of a hydrogenation cataly...
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WO/2019/166578A1 |
The present invention relates to the field of catalytic hydrogenation and to the use of ruthenium complexes having a bidentate diphosphine ligand or two monodentate phosphine ligands, two carboxylate ligands and optionally a diamine liga...
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WO/2019/161534A1 |
The present disclosure provides novel processes for the preparation of compounds of Formula (I). Some of these compounds are useful as stimulators of soluble guanylate cyclase (sGC). Others are useful intermediates towards the preparatio...
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WO/2019/158463A1 |
A process for the work-up of salt-containing process water which contains an alkali metal chloride as salt in a concentration of at least 4% by weight and organic or inorganic and organic impurities from chemical production processes and...
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WO/2019/159596A1 |
Provided is a method for preparing a coupled body represented by general formula (3), the coupled body being obtained by reacting a compound represented by general formula (1) and a compound represented by general formula (2) in the pres...
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WO/2019/158719A1 |
A process is provided for the production of bis-choline tetrathiomolybdate, the process comprising reacting a choline salt with ammonium tetrathiomolybdate, wherein the choline salt is a hydroxide, acetate, or halide choline salt, wherei...
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WO/2019/137083A1 |
Disclosed in the present invention are a one-step process for producing a nylon 5X salt and a prepared high-purity nylon 5X salt. The process comprises: subjecting a lysine fermentation liquid to ion exchange and desorption to obtain a p...
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WO/2019/131270A1 |
The present invention pertains to an activated carbon, which shows an electric conductivity of 3.5 s/cm or greater when determined by the powder resistance measurement method under a load of 12 kN and has an oxygen content of 3.0 mass% o...
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WO/2019/120064A1 |
The present invention relates to a method for preparing isophorone diamine by means of a hydrogenation reduction of isophorone nitrile imine. The hydrogenation reduction is continuously carried out in a multi-stage bubble column reactor ...
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WO/2019/119337A1 |
The present invention relates to a method for preparing primary diamines from amino acid compounds. Specifically, this invention is related to the preparation of a primary diamine from an amino acid and/or its salt by Kolbe electrolysis ...
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WO/2019/114767A1 |
Disclosed is a catalyst and a preparation method thereof for catalytic selective hydrogenation of chloroaromatic nitro compounds. The catalyst is a Pt/TiO2/SBA-15 or Pt/ZrO2/SBA-15 catalyst, and the platinum content of the catalyst is 0....
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WO/2019/105782A1 |
The invention relates to a process for the continuous preparation of 1,2-propylene diamine (1,2-PDA) and dimethyldiethylene triamine (DMDETA) by reacting monoisopropanolamine (MIPOA) with ammonia in the presence of hydrogen and a support...
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WO/2019/105324A1 |
Disclosed is a method for preparing salicylamide acetate. The method comprises the steps of: (1) carrying out amino protection on salicylaldehyde having a structure represented by formula 1 to obtain a compound having a structure represe...
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