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Matches 1 - 50 out of 12,995

Document Document Title
WO/2019/073427A1
The present invention relates to an industrially feasible and economically viable process for preparation of trientine dihydrochloride of formula (I) in significantly high yield and purity.  
WO/2019/063695A1
The invention relates to primary para-phenylenediamine compounds substituted with an aliphatic chain comprising a trialkyl ammonium group according to formula (I). Formula (I), wherein: ALK is a linear or branched, optionally substituted...  
WO/2019/066076A1
Provided is a catalyst containing a carrier, and a metal obtained by reducing metal ions carried by the carrier 1) in a supercritical state or 2) in a polar organic solvent, the carrier being an inorganic porous body having a hierarchica...  
WO/2019/063952A1
The invention relates to a new method for the synthesis of unsymmetrical tertiary amines using alcohol and an imine, and to new tertiary amines.  
WO/2019/058290A1
The present invention relates to an improved process for the preparation of optically chiral amino compound. The present invention particularly relates to the improved process for the preparation of (S)-1-amino-2,3-dihydro-1H-indene-4-ca...  
WO/2019/051755A1
Disclosed is a method for preparing tetraethylammonium tetrafluoroborate, comprising the following steps: adding 25-35 parts of a fluoroboric acid aqueous solution to a reactor made of a polytetrafluoroethylene material, at 40ºC-50ºC, ...  
WO/2019/041961A1
Provided are a transparent nucleating agent, a preparation method therefor and the use thereof, wherein the transparent nucleating agent comprises a compound represented by formula (1) and a derivative thereof; the method comprises: brin...  
WO/2019/044585A1
Provided is a nucleus hydrogenation reaction catalyst having a catalytic activity superior to conventional ruthenium catalysts in a nucleus hydrogenation reaction of an aromatic compound in which at least one amino group is bonded to an ...  
WO/2019/044584A1
Provided is a nucleus hydrogenation reaction catalyst having a catalytic activity superior to conventional ruthenium catalysts in a nucleus hydrogenation reaction of an aromatic compound in which at least one amino group is bonded to an ...  
WO/2019/037161A1
A method for synthesizing a key clofazimine intermediate N-(4-chlorphenyl)-1,2-phenylenediamine. The method comprises: 1) using o-fluoronitrobenzene and p-chloroaniline as raw materials and an organic base as a catalyst for condensation ...  
WO/2019/037438A1
The present invention relates to a monomeric pentamethylenediamine adipate of a bio-based material nylon 56, a crystal structure thereof, a crystalline powder thereof, and a preparation method therefor. The pentamethylenediamine adipate ...  
WO/2019/035381A1
Provided is a method for producing dicyanocyclohexane, the method having a step for obtaining dicyanocyclohexane by making a cyclohexanedicarboxylic acid and/or a salt thereof, or a thermal concentrate of an aqueous ammonia solution of t...  
WO/2019/031454A1
Provided are: a high-purity arylsulfonic acid amine salt vinyl monomer which has both of excellent storage stability and amphipathicity such that the monomer is soluble in both of water and an organic solvent and which is an extremely in...  
WO/2019/030187A1
The invention discloses a method for the preparation of substituted 4-(heptafluoro-2-propyl) anilines by reaction of 2-bromoheptafluoropropane with anilines in the presence of sodium dithionite, in a solvent and in the presence of a cata...  
WO/2019/030189A1
The present invention relates to a process to convert cyclic alkylene ureas into their corresponding alkylene amines by reaction with an amine compound chosen from the group of primary amines or secondary amines that have a higher boilin...  
WO/2019/030197A1
The present invention relates to a process to prepare propylene amines of the formula NH2-(A-NH-)pR, wherein R is a hydrogen atom or an alkyl group, p is at least 1 when R is an alkyl group, and at least 2 when R is a hydrogen atom, or d...  
WO/2019/030188A1
The present invention relates to a process to convert the cyclic monourea of ethylene amine compounds (U-EA) into ethylene amine compound (EA) by performing a reactive separation step using a reaction mixture containing the cyclic monour...  
WO/2019/030196A1
The invention relates to a process for converting one or more cyclic ethylene ureas into corresponding ethylene amines and carbon dioxide. In the process, water is contacted with one or more cyclic alkylene urea compounds comprising one ...  
WO/2019/030193A1
The invention pertains to a process for converting cyclic alkyleneureas into their corresponding alkyleneamines, comprising - in a first step converting cyclic alkyleneureas into their corresponding alkyleneamines by reacting cyclic alky...  
WO/2019/030192A1
The present invention is directed to a process for converting cyclic alkyleneureas into their corresponding alkyleneamines wherein a feedstock comprising cyclic alkyleneureas is reacted in the liquid phase with water in an amount of 0. -...  
WO/2019/030190A1
The invention pertains to a process for converting a feedstock comprising cyclic alkyleneureas into their corresponding alkyleneamines, comprising - a CO2 removal step in which cyclic alkyleneureas are converted into their corresponding ...  
WO/2019/011709A1
The invention pertains to a process for manufacturing a mixture of straight-chain higher ethyleneamines and non-straight-chain higher ethyleneamines selected from branched higher ethyleneamines and cyclic higher ethyleneamines, or the ur...  
WO/2019/013954A1
There is disclosed a process for the separation of long chain amino acid and long chain dibasic acid, comprising: (1) mixing the mixed amide derivatives with an aqueous solution of ammonia or ammonium hydroxide in the presence or absence...  
WO/2019/011711A1
The present invention relates to a to prepare ethylene amines of the formula NH2-(C2H4-NH-)pH wherein p is at least 2, or derivatives thereof wherein one or more units -NH-C2H4-NH- may be present as a cyclic ethylene urea unit (I) compri...  
WO/2019/011708A1
The invention pertains to a process to prepare ethylene amines with n ethyleneunits and n+1 amine groups wherein n is at least 4, or urea derivatives of said ethylene amines, by reacting an ethanolamine-functional compound, an amine-func...  
WO/2019/011710A1
The present invention relates to a process to prepare ethyleneamines of the formula NH2-(C2H4-NH-)PI-I wherein p is at least 3, or derivatives thereof wherein one or more units -NH-C2H4-NH- may be present as a cyclic ethylene urea unit o...  
WO/2019/010999A1
Provided are a quantum dot and a quantum dot preparation method. The method comprises the following steps: preparing a quantum dot solution, preparing an ion-containing organic ligand precursor, and adding the ion-containing organic liga...  
WO/2019/005628A1
There is disclosed a process for the separation of long chain amino acid and long chain dibasic acid, comprising: (1) recovering alkylamine by distilling or by extracting with an extractant solvent; (2) adding an acid and an extractant s...  
WO/2019/002459A1
The invention relates to enzymes for use in a method for the stereoselective reduction of carbonyl compounds or oxidation of hydroxy compounds, in a method for isomerization between ephedrine and pseudoephedrine, and in a method for the ...  
WO/2019/005630A1
There is disclosed a process for the separation of long chain amino acid and long chain dibasic acid, comprising: (1) recovering alkylamine from an aqueous solution of an alkali hydroxide hydrolysis of the mixed amide derivatives by dist...  
WO/2019/005629A1
There is disclosed a process for the separation of long chain amino acid and long chain dibasic acid, comprising: (1) adding water and an extractant solvent to the aqueous suspension of an acid hydrolysis of the mixed amide derivatives t...  
WO/2019/005631A1
There is disclosed a process for the separation of long chain amino acid and long chain dibasic acid, comprising: (1) cooling the hydrolysis solution to crystallize and separate alkali salt of long chain dibasic acid to provide an aqueou...  
WO/2018/229237A1
The present invention relates to the production of tri-functional aromatic molecules from diformylfuran, in particular to the production of tri-methyl benzene derivatives such as for example trimellitic acid or 1,2,4-tri(aminomethyl)benz...  
WO/2018/226376A1
Methods of making antidegradant compounds are disclosed in which a p-phenylenediamine is reacted with a diol to obtain mixtures comprising the antidegradant compounds.  
WO/2018/226372A1
A method of making antidegradant compounds is disclosed, in which a p-phenylenediamine corresponding to formula IV is reacted with an alpha-hydroxy carbonyl compound corresponding to formula II to thereby obtain an enediamine, which is r...  
WO/2018/225737A1
Provided is a catalyst for debenzylation reactions, which enables the achievement of a higher yield of a target product (a debenzylated product) in comparison to conventional Pd-supporting catalysts in a debenzylation reaction wherein a ...  
WO/2018/226375A1
Methods of making antidegradant compounds of formula I are disclosed in which a p-phenylenediamine of formula IV is reacted with a diol of formula II to obtain mixtures comprising the antidegradant compounds.  
WO/2018/224315A1
The invention relates to a method for producing alkanolamines and/or ethyleneamines in the liquid phase by reacting ethylene glycol and/or monoethanolamine with ammonia in the presence of an amination catalyst which contains one or more ...  
WO/2018/224316A1
The invention relates to a method for producing alkanolamines and/or ethyleneamines in the liquid phase, by reacting ethylene glycol and/or monoethanolamine with ammonia in the presence of an amination catalyst containing Co, Ru and Sn.  
WO/2018/224321A1
The invention relates to a method for producing alkanolamines and/or ethyleneamines in the liquid phase, by reacting ethylene glycol and/or monoethanolamine with ammonia in the presence of an amination catalyst obtained by reducing a cat...  
WO/2018/223347A1
Disclosed is a method for synthesizing an N-alkylaminophenyl alkyl ether, wherein the N-alkylaminophenyl alkyl ether is prepared by subjecting a nitrophenyl alkyl ether to hydrogenation reduction and alkylation, or wherein same may also ...  
WO/2018/220646A1
The present invention relates to an improved process for the preparation of (2S)-2- [(4R)-2-oxo-4-propyltetrahydro-1H-pyrrol-1-yl] butanamide compound of formula- 1, its intermediates, novel salt compounds of intermediates of the compoun...  
WO/2018/221604A1
The present invention provides a method for industrially producing: a pyrimidine compound having pest control efficacy; 2-[4-(trifluoromethyl)phenyl]ethylamine, which is a production intermediate of the pyrimidine compound; a phenylethyl...  
WO/2018/213938A1
This application pertains to group 5 metal complexes having the structure of Formula I; and their potential utility in catalyzing α-alkylation of secondary amine-containing moieties.  
WO/2018/210738A1
An absorbent for the selective removal of hydrogen sulfide from a fluid stream comprising carbon dioxide and hydrogen sulfide, wherein the absorbent contains an aqueous solution, comprising:a) an amine or a mixture of amines of the gener...  
WO/2018/203497A1
This diamine compound is represented by H2NH2C-Ro2-CH2NH2 (in the formula, Ro2 represents a resin acid dimer residue).  
WO/2018/193482A1
The present invention relates to an improved method for the synthesis of substantially pure 1,2-ethanediamine, N, N'-bis(2-aminoethyl)-dihydrochloride (I). Formula (I). Ν,Ν'-bis (2-aminoethyl)-l,2-ethanediamine dihydrochloride (Trienti...  
WO/2018/187812A1
A method and system to convert an insensitive munitions compound (IMC) to gaseous products by subjecting the IMC to a reduction step followed by an oxidation step.  
WO/2018/176253A1
Provided are a group of isotope labelling reagents for carboxyl labelling and a synthesis method therefor, wherein one end of the isotope labelling reagent is a primary amine and the other end is a trimethyl ammonium salt; and the primar...  
WO/2018/176205A1
The present invention relates to aliphatic amine, a preparation method therefor, and applications thereof and especially applications in curing agents. The method for preparing aliphatic amine comprises: allowing reaction components cont...  

Matches 1 - 50 out of 12,995