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Matches 1 - 50 out of 11,009

Document Document Title
WO/2021/071033A1
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/2021/068449A1
The present invention relates to the technical field of cellulose nanofiber membrane catalysts, and relates in particular to a modified CNF membrane capable of catalytically degrading 4-nitrophenol, a preparation method therefor and an a...  
WO/2021/052271A1
A magnolol derivative and a preparation method therefor and an application thereof. The magnolol derivative has a structure represented by formula (1). The magnolol derivative has good water solubility, is colorless and transparent after...  
WO/2021/052270A1
The present invention relates to the field of honokiol derivatives. Disclosed are a honokiol derivative, a preparation method therefor and the use thereof, wherein the derivative has a structure as shown in formula (I). The honokiol deri...  
WO/2021/047603A1
The present application provides a compound of formula II and a method for preparing a compound of formula I, i.e., 2-isopropyl-4-methylpyridin-3-amine by using same. The compound of formula I can be applied to synthesis of KRAS inhibito...  
WO/2021/047490A1
Disclosed in the present invention is a method for preparing dexibuprofen, comprising: (1) after adding toluene into a reaction kettle, adding ibuprofen and n-octyl-d-glucamine, heating to 76 to 80°C, keeping the temperature and reactin...  
WO/2021/036158A1
The present invention relates to the technical field of organic small molecule hole injection/transport materials. Disclosed are an organic small molecule hole injection/transport material and a preparation method therefor and an applica...  
WO/2021/028506A1
The invention relates to processes for preparing 2 -methoxymethyl-p-phenylenediamine (I), cosmetically acceptable salts thereof, or mixtures thereof.  
WO/2021/024271A1
A continuous process(200) for manufacture of dl-2-nitro-1-butanol from 1-nitropropane is disclosed. The process mixes aqueous solution of sodium hydroxide (A) and a solution of 1-nitropropane (B) dissolved in alcohol(203) at a first mola...  
WO/2021/003462A1
The present invention relates to novel cationic lipids of formula I, and more specifically formula IV. These are used, for example, in liposomes for the delivery of nucleic acids to cells.  
WO/2020/257930A1
Stable formulations of alkyl benzidine compounds and methods of making and using same. A short chain diol and an alkyl benzidine compound are combined together in solution at low pH and the solution is heated with moderate heat. The stab...  
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.  
WO/2020/248127A1
A borohydride reduction stabilizing system and a method for reducing an ester to an alcohol. The borohydride reduction stabilizing system comprises: a borohydride reducing agent and a stabilizing agent for stabilizing the borohydride red...  
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...  
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...  
WO/2020/237806A1
The present invention relates to the field of organic synthesis. Provided is a preparation method for 4-fluorine-3-methoxyl-5-methylaniline hydrochloride. A synthetic route of the preparation method for 4-fluorine-3-methoxyl-5-methylanil...  
WO/2020/238753A1
A preparation method for salicylamine acetate, comprising preparing an amino-protected intermediate from salicylaldehyde, and reacting the intermediate with acetic acid to prepare an acetate.  
WO/2020/221685A1
The invention relates to a method for manufacturing a concentrate enriched in iron mineral content from an ore, which contains an iron mineral and silicate, by reverse flotation, which method comprises the step of (c) adding a compound o...  
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 ...  
WO/2020/212510A1
The present invention is directed to methods for the asymmetric synthesis of esketamine. The present invention is further directed to key intermediates in the asymmetric esketamine synthesis. In one embodiment, the invention is an asymme...  
WO/2020/212157A1
The invention concerns a new, efficient process for the preparation of enantiomerically pure norepinephrine (also known as noradrenaline), or an addition salt thereof, using a catalytic hydrogenation system under hydrogen donor transfer....  
WO/2020/212227A1
The present invention relates to a new process for the production of substituted 2-[2-(phenyl) ethylaminojalkaneamide derivatives of the following formula (I), in particular 2-[2-(3-butoxyphenyl)-ethylamino]-N,N-dimethylacetamide in high...  
WO/2020/198899A1
A multifunctional, highly active cationic gemini surfactant and a method for producing the same. The present invention uses a protonic acid, epichlorohydrin, and an organic amine as main raw materials to prepare a series of multifunction...  
WO/2020/202940A1
Provided is a catalytic mixture with sufficient catalytic efficiency, wherein pressure loss is small when the catalytic mixture fills a flow reactor and a reactive solution is caused to flow therethrough, and the catalytic efficiency and...  
WO/2020/203580A1
The present invention provides a method for producing a hetero type monodisperse polyethylene glycol having a step (A) for subjecting a compound of formula (2) and a compound of formula (3) to a nucleophilic substitution reaction so as t...  
WO/2020/194326A1
The present invention relates to a process for the preparation of tapentadol and analogs or compounds or stereoisomers of formula (I), Formula I wherein, A is aryl, heteroaryl, and cycloalkyl; R is H, OH, OR1, halogen, C1-C12 alkyl, cycl...  
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...  
WO/2020/167855A1
Useful processes of preparation and intermediates useful for the preparation of Compound 1, a selective estrogen receptor alpha (ERα) modulator/degrader (SERM/SERD), having utility for the treatment of ER+ cancers including breast cance...  
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...  
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...  
WO/2020/163839A1
The present invention provides ionic liquids (ILs) comprising a carbohydrate anionic moiety and a cationic counter-ion moiety (Q+) and methods for producing and using the same. In one particular embodiment, the carbohydrate anionic moiet...  
WO/2020/158925A1
A method for producing a nitroso compound of formula (3), which comprises a process for reacting a compound of formula (1) and a compound of formula (2) with each other by using a tertiary alcohol and a base. (In the formulae, each of R1...  
WO/2020/148641A1
The present invention relates to a process for preparation of 2-Amino-5-hydroxypropiophenone, a key intermediate for the synthesis of camptothecin analogs including 7-Ethyl-10-hydroxycamptothecin (SN-38).  
WO/2020/147160A1
The present invention belongs to the technical field of pharmaceutical chemistry, and specifically relates to a method for preparing fosfomycin trometamol, the method comprising the following steps: 1) adding fosfomycin diamino butantrio...  
WO/2020/132819A1
Disclosed is a method for preparing (1R,3S)-3-aminocyclopentanol hydrochloride. The method comprises using amide formed by chiral carboxylic acid and hydroxylamine as a chiral source, quickly obtaining a chiral Diels-Alder reaction produ...  
WO/2020/138398A1
The present invention addresses the problem of providing a novel compound exhibiting a high LSD1-inhibiting activity, high selectivity for LSD1 inhibition, and/or having a useful therapeutic effect for various diseases. One embodiment pe...  
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.  
WO/2020/127386A1
A method is provided for preparing an intermediate d having the formula: (I). The method comprising carrying out the following one-pot reaction: (II) wherein step (i) is carried out in the presence of a solvent and step (ii) is carried o...  
WO/2020/119147A1
Disclosed are a bicomponent epoxy mortar for pasting PVC and treating concrete expansion joints, a preparation method therefor and the use thereof. The raw materials of the epoxy mortar comprise a component A and a component B. The raw m...  
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...  
WO/2020/093657A1
Disclosed is a method for preparing 4,6-diamino resorcinol hydrochloride, which belongs to the organic chemical synthesis field. The method comprises: using a Bronsted acid and acetic anhydride as a new dioxime Beckmann rearrangement rea...  
WO/2020/094454A1
The present invention relates to a process for producing a compound of the formula (I) comprising at least the process step: a) reacting a compound of the formula (II) with hydrogen and water in the presence of at least one homogeneous t...  
WO/2020/090989A1
In a production method for a fluorinated aromatic secondary or tertiary amine compound having a fluoroaryl moiety in a molecule, the method comprising reacting a fluorinated aromatic primary amine compound with a chlorinated, brominated,...  
WO/2020/087233A1
Disclosed is an application of an ionic iron (III) complex as a catalyst in preparation of a benzylamine compound, that is, an ionic iron (III) complex having a molecular formula of [(RNCHCHNR)CH][FeBr4] (R is tert-butyl) and containing ...  
WO/2020/078408A1
A choline bitartrate and a preparation method therefor, pertaining to the technical field of chemical synthesis. First, tartaric acid and trimethylamine are reacted in a molar ratio of 0.8-1.2:2 to form trimethylamine tartrate, then ethy...  
WO/2020/070403A1
The invention relates to the use of a stabilising compound comprising at least one N-oxyl compound and at least one polymerisation inhibitor other than an N-oxyl compound, for inhibiting transesterification catalyst degradation in a proc...  
WO/2020/057274A1
Provided is a method for preparing a substituted primary amine, using benzonitrile and its derivatives as a raw material, nano porous palladium as a catalyst, and hydrogen gas as a hydrogen source, so as to prepare the substituted primar...  
WO/2020/042841A1
A preparation method for (1R,3S)-3-amino-1-cyclopentanol and salts thereof, relating to the field of organic synthesis, wherein the (1R,3S)-3-amino-1-cyclopentanol undergoes an asymmetric cycloaddition reaction with cyclopentadiene by us...  
WO/2020/040614A1
The present invention provides: a preparation method for a (3R,5R)-7-[2-(4-flurophenyl)-5-isopropyl-3-phenyl-4-[(4-hydr oxymethylphenylamino)carbonyl]-pyrrrol-1-yl]-3,5-dihydroxy heptanoic acid hemicalcium salt; an intermediate used ther...  
WO/2020/032080A1
Provided is a compound represented by general formula (I), or a salt thereof. (In the formula, X1, X2, X3 and X4 are a hydrogen atom, a C1-9 alkyl group, or a C3-9 unsaturated hydrocarbon group which has 1-4 triple bonds between carbon a...  

Matches 1 - 50 out of 11,009