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Patent Searching and Data


Matches 1 - 50 out of 11,370

Document Document Title
WO/2022/162132A1
The present invention relates to a chemical process for the synthesis of the compound 8-[(2-hydroxybenzoyl)amino]octanoic acid or a derivative thereof useful in the process of making sodium 8-[(2-hydroxybenzoyl)amino]octanoate (SNAC), a ...  
WO/2022/155946A1
A copolymer additive comprising water and a copolymer prepared from an acetoacetamide functional monomer and a ureido monomer is stable in a wide range of pH values and a coating composition comprising such copolymer additive can provide...  
WO/2022/157106A1
The presently claimed invention relates to a process for the preparation of mono-, di-, tri-, fluoro arylamide or hetroarylamide.  
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/2022/145923A1
The present invention relates to a pharmaceutical composition which is for preventing or treating viral infections and contains a piperlongumine-based compound as an active ingredient. Specifically, the piperlongumine-based compound acco...  
WO/2022/145707A1
The present invention provides a novel piperlongumine-based compound, and an immunomodulator and a health functional food for immunomodulation, which comprise the compound or a pharmaceutically acceptable salt or solvate thereof as an ac...  
WO/2022/134287A1
The present invention relates to a method for preparing a carboxylic acid ester compound. Under the catalysis of nitrite, an carboxylic acid reacts with an alcohol in air so as to obtain an ester compound; and the alcohol is ethanol, pro...  
WO/2022/135617A1
Provided in the present invention are a novel NAMPT enzyme agonist and a preparation and a use thereof. The structural formula of the agonist is as shown in formula I or formula II. In the present invention, an NAMPT agonist NAT is scree...  
WO/2022/140654A1
The present disclosure relates to compositions and methods related to bicyclo[2.2.1] heptanamine-containing compounds and salts thereof.  
WO/2022/134204A1
Disclosed are a novel method for preparing glycollic amide and the preparation of a catalyst therefor. The present invention belongs to the technical field of coal chemical engineering and catalysts. The present invention involves prepar...  
WO/2022/139594A1
Method for the preparation of two amides from one amidine in a one-pot conversion, where amides of formula (I) or formula (II) are formed. Formula (Ia) and Formula (Ib) Fornula (IIa) and Formula (IIb).Obtained amides and their useful app...  
WO/2022/134297A1
The present invention relates to a preparation method for a carboxylate ester compound, comprising: under the catalysis of a nitrite ester, reacting carboxylic acid and methanol in air, so as to obtain an ester compound. The preparation ...  
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/2022/117415A1
The invention relates to a process for preparing surfactant solutions with N-acyl amino acids or their salts and to surfactant solutions with N-acyl amino acids or their salts obtained by the inventive process. The invention relates furt...  
WO/2022/106254A1
The present invention relates to a process for producing L-phenylalanine amide.  
WO/2022/106253A1
The present invention relates to a process for producing L-phenylalanine butyramide.  
WO/2022/106715A1
The present invention refers to a procedure to obtain iohexol from TAIPA in which the formation of acetyl-TAIPA occurs without the use of alcoholic solvents and its subsequent alkylation with (±)-1-chloro-2,3-propanediol (CPD) to obtain...  
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/2022/092260A1
The present invention addresses the problem of providing a cross-coupling reaction method that can use a wide variety of compounds as starting materials, that can substantially not use organic solvent, and that can rapidly provide reacti...  
WO/2022/088302A1
The present invention relates to the technical field of organic synthesis of tire rubber, in particular, to a preparation method for isophthalamide. The isophthalamide is prepared by using m-phthalodinitrile as a reaction raw material, a...  
WO/2022/084046A1
The present invention relates to a process for preparing methyl methacrylate (MMA) and/or methacrylic acid (MAS) with improved yield, comprising the process steps of amidation, conversion and hydrolysis/esterification, especially high yi...  
WO/2022/084032A1
The invention relates to an improved process for synthesizing alkyl methacrylates, in particular methyl methacrylate (MMA), involving reacting acetone cyanohydrin (ACH) and sulfuric acid in a first reaction stage (amidation) and heating ...  
WO/2022/082752A1
A DMF recycling method. The method comprises: a neutralization step: adding an alkaline neutralizer into a DMF stock solution, controlling the pH value of the mixed solution to be within a preset range, and carrying out a neutralization ...  
WO/2022/084274A1
The invention relates to an improved process for synthesizing methacrylic acid and/or alkyl methacrylates, in particular methyl methacrylate (MMA), involving reacting acetone and hydrogen cyanide in the presence of an alkaline catalyst i...  
WO/2022/079204A1
The present invention relates to the field of medicine. In particular, it relates to the use of tetracycline derivatives in the treatment or prevention of a neurodegenerative or neuroinflammatory disease, such as Parkinson's disease.  
WO/2022/071363A1
Provided is a new production method for a fluorinated organic compound (1) which involves a step A in which, in a liquid composition containing an organic solvent, IF5 is used to fluorinate a hydrogen atom-containing organic compound (2)...  
WO/2022/064454A1
The present invention discloses a process for the synthesis of compound of formula (VII) or a salt thereof, wherein, R, R1, R2, R3, R4a and R4b are as defined in the detailed description. The process further comprises the synthesis of an...  
WO/2022/058916A1
The present invention disclosed a process for the synthesis of compound of formula (Z) or a salt thereof, wherein, R, R1, R2, R3 and R10 are as defined in the detailed description. The process further comprises the synthesis of an anthra...  
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/2022/048025A1
The present invention provides a method for synthesizing an atorvastatin calcium intermediate by using a multi-component one-pot method. Specifically, the present invention provides a one-pot synthesis method for 4-(4-fluorophenyl)-2-(2-...  
WO/2022/041462A1
A synthesis method for a cyclopropane compound. The cyclopropane compound has a structure as represented by general formula (I). The synthesis method comprises: reacting an olefin compound A with ethyl diazoacetate under the catalysis of...  
WO/2022/037512A1
Disclosed is the use of a complex of an angiotensin II receptor antagonist metabolite and an NEP inhibitor in the treatment of heart failure, specifically relating to the use of the complex in the preparation of a drug for treating heart...  
WO/2022/038224A1
A method for the preparation of an alpha-substituted carbonyl compound or an alpha- substituted nitrile compound carrying an aryl or heteroaryl group as an alpha-substituent, said method comprising reacting a sulfoxide compound S1 compri...  
WO/2022/038166A1
The present invention relates to a synthetic process for amide coupling between a trihaloketone and an electron poor nucleophile, amenable to large scale synthesis, in particular, through a catalytic process.  
WO/2022/029796A1
The present invention relates to a process for the preparation of Tigecycline intermediate i.e. 9-amino minocycline of formula-1(C). More particularly, the present invention relates to a process for the preparation of 9-amino minocycline...  
WO/2022/030589A1
Provided are: a monodentate ligand comprising a monodentate coordination urea compound (1) represented by a formula of A13-(A12)n-A11 [n is 0 or 1], which includes a urea group (A11) and a monodentate coordination heteroaromatic group (A...  
WO/2022/026657A1
Compositions that include cationic surfactants and methods of synthesizing compositions that include cationic surfactants. The surfactants include a quaternary amine and a saturated or unsaturated alkyl chain with 4 to 28 carbons. The su...  
WO/2022/025636A1
A dual regulator for MGLUR5 and 5-HT2A receptor and a use thereof are disclosed. More specifically, a compound functioning as both a regulator of mGluR5 and an antagonist of 5-HT2A receptor, and a use thereof as a therapeutic agent for p...  
WO/2022/019336A1
The purpose of the present invention is to provide: a novel deuterated labeling compound; and a production method therefor. The present invention provides: a deuterated labeling compound in which at least position β of a fatty acid is d...  
WO/2022/019507A1
The present invention relates to a method for recovering carboxylic acids and amide compounds through separation and, especially, to a method for recovering a mixture of acetic acid and dimethyl formamide (DMF) contained in a waste solve...  
WO/2022/013919A1
The purification method according to the present invention is for selectively obtaining a specific crystal form of a compound having a plurality of crystal forms. Specifically, in an infrared absorption spectrum of a plurality of crystal...  
WO/2022/014414A1
The purpose of the present invention is to provide a method for more efficiently producing specific optically active compounds including optically active 1-acetyl-2,2,4-trimethyl-1,2,3,4-tetrahydroquinoline. The present invention provi...  
WO/2022/000868A1
Provided are an intermediate for synthesizing a camptothecin derivative, a preparation method therefor, and the use thereof. An intermediate A can be obtained from 3-fluoro-4-methylaniline by means of acylation, bromination, and cross-co...  
WO/2022/002953A1
The present invention provides a process for the preparation of a compound of Formula (II) wherein the process comprises: (i) reacting a compound of Formula (I) with pyridine and 2-acetyloxypropanoyl chloride (APC) to give a compound of ...  
WO/2021/258733A1
10-undecylenylamino methyl ethyl propionate, and a preparation method therefor and the use thereof in repelling mosquitos. The structural formula of the compound 10-undecylenylamino methyl ethyl propionate is as shown in formula I. The c...  
WO/2021/254235A1
Disclosed is a method of preparing (S)-2-aminobutanamide by an enzymatic method, comprising using (R/S)-2-aminobutyrate as raw material, resolving same under the action of an ester hydrolase to obtain (S)-2-aminobutyrate, and further per...  
WO/2021/254409A1
The present invention belongs to the technical field of medicinal preparations, relates to a pharmaceutical composition of a complex and a preparation method therefor, and relates in particular to a pharmaceutical composition of a comple...  
WO/2021/254734A1
Disclosed is a method for preparing an N-acyl amino acid wherein a fatty acid and an amino acid are caused to react at a temperature no lower than 165°C for at least one hour.  
WO/2021/255943A1
The present invention is a method for stabilizing sanshools, the method including: a step (step A) for adding a stabilizing material of sanshools to a sanshool-containing liquid and obtaining a stabilizing material-containing sanshool so...  
WO/2021/252169A1
A method of making dianhydride includes contacting a N-Substituted diimide with a carboxylic acid and substituted or unsubstituted dimethyl sulfoxide in an aqueous medium to provide a reaction mixture including tetra acid, triacid, imide...  

Matches 1 - 50 out of 11,370