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Matches 1 - 50 out of 7,757

Document Document Title
WO/2022/165796A1
Provided is a composition comprising a phenalkamine represented by formula (I). wherein, X is H or OH; R 1 is an aliphatic chain with more than 8 carbon atoms, R 2 is H, a C1-C10 alkyl, phenyl, or a C5-C6 cycloaliphatic group; R 3 and R ...  
WO/2022/158993A1
The present invention relates to a method for the production of d-erythro-sphingosine and analogs thereof, wherein the method comprises a step of condensing a compound of formula (2): Formula (2), or a salt thereof, wherein R1 is hydroge...  
WO/2022/157633A1
The invention relates to enantiomerically pure desglymidodrine and process for preparation thereof. In particular, the invention relates to enantiomerically pure desglymidodrine or a pharmaceutically acceptable salt, solvate or a hydrate...  
WO/2022/136700A1
The present invention relates to compositions comprising a combination of a quaternary ester ammonium compound, a fatty acid ester and a fatty alcohol, wherein the fatty acid ester comprises a fatty acid ester derived from a linear fatty...  
WO/2022/134203A1
Disclosed is a novel method for preparing monoethanolamine, and the present invention belongs to the field of coal chemical engineering. The method of the present invention involves using methyl glycolate, which is an intermediate produc...  
WO/2022/122931A1
A process for the removal of an inorganic salt from a feed liquid comprising an inorganic salt and an organic compound comprising a hydroxy group and/or an amine group, comprising passing the feed liquid through an electrodialysis (ED) u...  
WO/2022/110612A1
The present invention relates to the technical field of the synthetic preparation for medicines, and relates to a preparation method for an S-configuration phenylethylamine hydrochloride compound. The preparation method comprises the fol...  
WO/2022/106254A1
The present invention relates to a process for producing L-phenylalanine amide.  
WO/2022/102557A1
The present invention relates to: a compound represented by formula (I) (in the formula, X denotes -CH2- or -NH-; R1 and R3 each independently denote a substituted or unsubstituted hydrocarbon group having 5-30 carbon atoms, with any -CH...  
WO/2022/100487A1
Disclosed is an amino-combretastatin derivative, and in particular a compound represented by general formula (I), a pharmaceutically acceptable salt thereof, a hydrate thereof, or a hydrate of the pharmaceutically acceptable salt thereof...  
WO/2022/090235A1
The invention relates to 2-methoxymethyl-p-phenylenediamine in cosmetic grade quality»and to methods for converting 2-methoxymethyl-p-phenylenediamine having an impurity degree non- acceptable for cosmetic applications to 2-methoxymethy...  
WO/2022/069002A1
The invention relates to a compound, to a rubber mixture containing the compound, to a vehicle tire which has at least one component comprising the rubber mixture, to a method for producing the compound, and to the use of the compound as...  
WO/2022/055267A1
The present specification relates to a method for preparing alkyl-D-alaninate, the method comprising a step for supplying an inert gas into a reaction solution when using aniline to synthesize alkyl-D-alaninate.  
WO/2022/055781A1
There is disclosed a process for recovering monoethanolamine from an aqueous mother liquor solution comprising the steps of: (a) adding excess ammonia or alkali hydroxide and a solvent to the aqueous solution comprised of monoethanolamin...  
WO/2022/052683A1
The present invention provides a method for preparing a water-soluble magnolol derivative and a honokiol derivative, methods for preparing intermediates of a water-soluble magnolol derivative and a honokiol derivative, and a related mono...  
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 ...  
WO/2022/030447A1
A fluorinated diamine represented by general formula [1A] or a salt thereof; a polyamide including a structural unit derived from the diamine or salt; and a cyclized polyamide. In general formula [1A], R1 represents, or the multiple moie...  
WO/2022/023291A1
Method for the purification of vilanterol trifenatate It is provided a method for the purification of vilanterol trifenatate of formula (I) comprising crystallizing vilanterol trifenatate from a ketone solvent selected from the group con...  
WO/2022/019369A1
The present invention relates to a method for preparing 4,4'-oxydianiline, comprising the steps of: obtaining a reactant containing dinitrodiphenyl ether by mixing and reacting nitrochlorobenzene and nitrophenolate salt under the presenc...  
WO/2022/011792A1
The present invention provides a diquaternary ammonium salt intermediate preparation process, comprising: reacting a 1,3-Dichloro-2-propanol and a long carbon chain dimethylamine in acetone, producing the diquaternary ammonium salt inter...  
WO/2022/001515A1
Disclosed is a preparation method for a cardanol modified polyamine curing agent having high anticorrosive performance, comprising subjecting cardanol, paraformaldehyde and an amine compound to a Mannich reaction, adding a water-soluble ...  
WO/2021/248770A1
A genetically encoded formaldehyde reactive unnatural amino acid. Specifically, the present invention relates to a genetically encoded formaldehyde reactive unnatural amino acid PrAK, a preparation method and an application thereof in de...  
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/2021/244637A1
Provided herein is 2-(diethylamino) ethyl 2-(4-isobutylphenyl) propionate or pharmaceutically acceptable salts thereof. Furthermore, for use and methods in the treatment of various pains and inflammation, in particular osteoarthritis wit...  
WO/2021/245504A1
The present invention relates to a process for the preparation of α-[3-[[2-(3,4-dimethoxyphenyl)ethyl]methylamino]propyl]-3,4 -dimethoxy-α-(1-methylethyl), monohydrochloride (verapamil hydrochloride, a compound of formula I), the proce...  
WO/2021/224184A1
The present disclosure relates to methods for the production of the isomerically pure or isomerically enriched cis-clomiphene and salts thereof.  
WO/2021/212880A1
Disclosed is a method for preparing nicotine, in particular, a method for preparing nicotine by using nicotinate as a starting material to undergo a five-step reaction. The specific synthetic steps comprise: (1) performing a condensation...  
WO/2021/204712A1
The invention relates to a process for the preparation of a compound of formula [Chem I], formula (I), said method being characterized in that it comprises at least one step of oxidizing sulfonated triphenyl methane of formula [Chem V] w...  
WO/2021/204711A1
Disclosed is a process for synthesizing a compound of formula [Chem I], comprising at least the following steps: a) condensing a benzaldehyde compound of formula [Chem II] with dialkyl aniline of formula [Chem III] to obtain triphenyl me...  
WO/2021/071033A9
The present invention relates to a method for preparing diethylamino hydroxybenzoyl hexyl benzoate and, specifically, to: a method for preparing diethylamino hydroxybenzoyl hexyl benzoate, which has a simple preparation process and can b...  
WO/2021/203255A1
A method for purification of organic amines, comprising introducing a resin polymer matrix to a liquid containing at least an organic amine bonded to at least one metallic element, wherein the resin polymer matrix is embedded with an ami...  
WO/2021/196777A1
The present invention belongs to the technical field of fine chemical engineering, and specifically relates to a polymerizable surfactant with reducibility and a preparation method therefor. The polymerizable surfactant with reducibility...  
WO/2021/196775A1
The present invention belongs to the field of polymer synthesis, and specifically discloses a reducing agent monomer for preparing a styrene-acrylic emulsion by means of oxidation-reduction at a normal temperature, and a synthesis method...  
WO/2021/185154A1
A pharmaceutical composition comprising tizoxanide and choline hydroxide, a choline salt of tizoxanide and crystal form thereof, and a pharmaceutical use thereof. A mixture of tizoxanide and choline hydroxide, or a salt thereof and cryst...  
WO/2021/177219A1
Provided is a catalyst which can be used for enabling a reductive amination reaction under a low-temperature low-hydrogen-pressure condition, comprises cobalt supported on an oxide, and is characterized by being produced by a method incl...  
WO/2021/168988A1
The present invention provides a synthesis method for a fluorine-containing chiral amine compound. The synthesis method comprises: reacting an amino donor with a fluorine-containing dihydroxy ketal compound under the catalysis of transam...  
WO/2021/156578A1
The invention relates to anti-UV molecules of natural origin, and to the process for the synthesis thereof and also the process for the synthesis of analogues thereof. More particularly, it relates to a two-step process for the synthesis...  
WO/2021/154636A1
A method of applying fragrance to a fabric substrate includes bleaching a cotton fabric substrate, mercerizing the cotton fabric substrate, and preparing the cotton fabric substrate for dyeing. The method includes making a foam containin...  
WO/2021/148043A1
The present invention relates to the field of drugs, and particularly relates to a nitrophenyl ether compound having structural characteristics of a general formula (I), a stereoisomer, a metabolite, a metabolic precursor, a prodrug, a s...  
WO/2021/138443A1
Methods and compositions for modifying the course and severity of neuropsychiatric disorders. The method includes administering a composition to a subject suffering from a neuropsychiatric disorder, wherein the composition includes a sub...  
WO/2021/119899A1
A process for producing a supported catalyst comprising metal nanoparticles, said process comprises the following steps: (a) preparing a supported catalyst comprising metal nanoparticles; (b) peducing the catalyst of step (a); (c) treati...  
WO/2021/114166A1
A process for preparing a N-substituted alkanolamine of formula (I) and/or a N-substituted diamine of formula (II) from glycolaldehyde is provided, which comprises reacting glycolaldehyde with an aminating agent of formula (III) in a sol...  
WO/2021/116419A1
The present invention relates to a catalytic material for the preparation of one or more of 4,4'- methylenedianiline, 2,2'-methylenedianiline, 2,4'-methylenedianiline, and oligomers of two or more thereof, the catalytic material comprisi...  
WO/2021/116608A1
The present invention relates to a process for the continuous synthesis of heavy alkyl acrylates by a transesterification reaction using hydrozincite as a heterogeneous catalyst.  
WO/2021/110472A1
A process for preparing an amine by reacting an aldehyde and/or ketone with a nitrogen compound selected from the group consisting of ammonia and primary and secondary amines, followed by hydrogenation of the resulting reaction product i...  
WO/2021/103327A1
The present invention relates to a preparation method for an aprepitant intermediate impurity. The preparation method comprises the following reaction steps: (A) carrying out a Grignard reaction on a raw material 1 and a Grignard reagent...  
WO/2021/105337A1
The present invention relates to a process for synthesizing large scale a compound of formula (I), or pharmaceutically acceptable salt thereof, which is useful as the key intermediate for the synthesis of compounds for prophylaxis and tr...  
WO/2021/099456A1
The present invention relates to a process for the conversion of propylene oxide to 1-amino-2- propanol and/or di(2-hydroxypropyl)amine comprising (i) providing a catalyst comprising a zeolitic material comprising YO2 and optionally comp...  
WO/2021/099225A1
The present invention relates to an improved chromium-free Cu-Al catalyst for the hydrogenation of carbonyl groups in organic compounds, characterized in that the catalyst contains zirconium in a proportion of 0.5 to 30.0 wt.%. The inven...  
WO/2021/093426A1
A method for synthesizing hydroxybenzylamine, relating to the technical field of organic synthesis. The principle of the method comprises: a demethylation reaction of methoxybenzylamine under the effect of hydrobromic acid. The present i...  

Matches 1 - 50 out of 7,757