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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...
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WO/2022/048930A1 |
The invention relates to a process for producing isocyanates by reacting the corresponding amines with phosgene in the liquid phase, comprising: (a) mixing an amine comprising feed stream, a phosgene comprising feed stream and optionally...
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WO/2022/041502A1 |
Disclosed herein is a method for preparing 1,5-pentane diisocyanate, comprising the following steps: (1) mixing 1,5-pentanediamine, a carbonylation agent, a first solvent and a catalyst for a carbonylation reaction, performing solid-liqu...
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WO/2022/021859A1 |
Disclosed are a carisoprodol antigen, a preparation method therefor, and an application thereof. Carboxyl is derived from carisoprodol N by succinic anhydride; the carboxyl is coupled with a protein to obtain the carisoprodol antigen.
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WO/2022/023626A1 |
The invention relates to a rheology-modifying difunctional compound. The invention also provides an aqueous composition containing a difunctional compound according to the invention and a method for controlling the viscosity of an aqueou...
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WO/2022/020385A1 |
A dispenser comprising a dispensing device containing a dispensing device solution, the dispensing device solution comprising C20H29NO7Si, the dispensing device solution having antiviral properties and emitting or reflecting UV light, wh...
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WO/2021/250067A2 |
The present invention relates to a process for the purification of (R)-2-amino-3-phenylpropyl carbamate in perspective of the subsequent conversion in the corresponding HCl salt (SOLRIAMFETOL). The invention further relates to the proces...
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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...
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WO/2021/246485A1 |
Provided is a carbamate production method characterized by bringing a carbon dioxide-containing mixed gas in which the partial pressure of carbon dioxide is 0.001 atm or greater but less than 1 atm, into contact with an amino group-conta...
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WO/2021/234697A1 |
The present invention pertains to compositions and methods for treating inflammation in a subject in need thereof using hydroxynorketamine (HNK), a salt thereof, a stereoisomer thereof, or a combination thereof.
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WO/2021/233976A1 |
The synthesis of omega-hydroxyalkyl-urethanes, and of alfa-omega-diurethanes is reported which includes the reaction of diols with urea in presence of catalysts based on Ce at temperatures between 125 and 170°C over 4-8 h reaction time....
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WO/2021/223301A1 |
Provided is a preparation method for water-soluble Florfenicol amino acid ester salt, the method comprising the steps of: using Florfenicol and N-Cbz-amino acid as starting raw materials, and subjecting same to acyl chlorination, esterif...
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WO/2021/212762A1 |
A three-dimensional molding material, comprising the following components by mass fraction: 5-50% of a monofunctional polyurethane oligomer, 35-85% of a monofunctional monomer, 0-30% of a polyfunctional compound, 0.5-8% of a photoinitiat...
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WO/2021/196323A1 |
The present invention provides a light-emitting layer material and a manufacturing method therefor, and an electroluminescent device. The light-emitting layer material comprises a spiral nanotube structure and light-emitting particles, a...
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WO/2021/195671A1 |
The present invention relates to a process for preparing trientine dihydrochloride as an active pharmaceutical ingredient (API). The present invention relates to a process for the preparation of trientine dihydrochloride with a pharmaceu...
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WO/2021/167008A1 |
This method for producing an aromatic astatine compound comprises reacting aromatic iodonium ylide with astatine to produce an aromatic astatine compound.
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WO/2021/149814A1 |
The present invention provides a catalyst containing a Brønsted acid as a novel means capable of producing an amide compound by highly stereoselectively and/or highly efficiently causing an amidation reaction in a variety of substrates ...
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WO/2021/133839A1 |
Disclosed herein are methods of preparing N6-((2-azidoethoxy)carbonyl)lysine, N6-((2-azidoethoxy)carbonyl)-L-lysine, and N6-((2-azidoethoxy)carbonyl)-D-lysine. Also disclosed herein are the compounds tert-butyl N2-(tert-butoxycarbonyl)-N...
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WO/2020/178776A9 |
A process for obtaining {{6-[(diethylamino)methyl]naphthalen-2-yl}methyl [4- (hydroxycarbamoyl)phenyl]carbamate and/or pharmaceutically acceptable salts thereof having high purity is described. This process allows to obtain a product hav...
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WO/2021/127461A1 |
The present disclosure is directed synthetic methods for the preparation of 4-valyloxybutyric acid. The synthetic methods described herein employ a diverse array of protecting group strategies and reaction conditions. Additionally, the p...
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WO/2021/055195A1 |
A latent base catalyst and compositions and methods involving latent base-catalyzed Michael addition reaction are described herein. The described latent base catalyst is a substituted carbamate salt. The compositions described herein are...
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WO/2021/052353A1 |
The present invention relates to the technical field of enzyme inhibitors, and relates in particular to a hydroxamic acid derivative, a preparation method therefor and an application thereof. The hydroxamic acid group in the hydroxamic a...
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WO/2021/036256A1 |
The present application is suitable for use in the technical field of drug synthesis, and provides a method for synthesizing an HIV protease inhibitor intermediate compounds. The method comprises subjecting compound 1a to an asymmetric t...
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WO/2021/027237A1 |
The present invention relates to a method for preparing a supercritical carbon dioxide thickener for the exploitation of tight oil and gas reservoirs. The method can solve the problem of oil and gas deposits being damaged as a result of ...
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WO/2021/002407A1 |
Provided is a novel production method by which a fluoroalkyl group-containing compound can be efficiently synthesized. This method is for producing a compound represented by general formula (3) (Rf represents a C1-30 alkyl group substi...
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WO/2021/002408A1 |
The present invention provides a peptide having a fluoroalkyl group as a side chain. The present invention is a method for manufacturing a fluoroalkyl-group-containing peptide in which a compound represented by general formula (6-2) or (...
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WO/2020/264474A1 |
The present invention is directed to a compound of formula I, as shown in claim 1, wherein R1 comprises hydrogen, an alkyl group, or an aryl group; R2 comprises hydrogen or a methyl group; R3 comprises a divalent organic group; R4 compri...
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WO/2020/262258A1 |
A method for producing a peptide compound including a step that uses a condensed polycyclic aromatic hydrocarbon compound represented by formula (1), a reagent for forming a protecting group that includes the compound, and the compound. ...
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WO/2020/252713A1 |
The present invention relates to the preparation of a hydrophobic medicinal auxiliary material and a drug-loaded fat emulsion, and in particular to a hydrophobic auxiliary material with the structural formula as shown below, wherein R is...
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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...
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WO/2020/210485A1 |
Disclosed are processes for preparing α-carboxamide pyrrolidine derivatives, in particular (2S,5R)-5-(4-((2-fluorobenzyl)oxy)phenyl)pyrrolidine-2-carbo
xamide, and intermediates for use in said processes along with processes for prepari...
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WO/2020/207129A1 |
Disclosed is an ammonium salt with a structural formula represented by formula (I). A synthesis method thereof comprises using 8 mol% zinc chloride as a catalyst, 5 mmol of 1-phenyl-1,3-butanedione, 1.2 g of benzylamine, and 40 mL of chl...
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WO/2020/210486A1 |
The disclosure provides processes for preparing α-carboxamide pyrrolidine derivatives, in particular (2S, 5R)-5-(4-((2-fluorobenzyl)oxy)phenyl)pyrrolidine-2-carboxami
de, as well as intermediates for use in said processes.
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WO/2020/206148A1 |
A system and method for the collection of carbon dioxide is disclosed. The system includes a liquid sorbent that is a carbon dioxide sorbent, and a plurality of conduits. Each conduit has a hollow interior enclosed by a conduit wall. The...
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WO/2020/196553A1 |
The purpose of the present invention is to provide a method that enables efficient and safe production of an N-substituted trihaloacetamide which also serves as a synthetic intermediate for isocyanate compounds, carbamate compounds, urea...
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WO/2020/189540A1 |
The present invention provides a method for efficiently preparing various optically active aromatic amino acid derivatives by performing a reaction, in the presence of a catalyst, on a specific ester compound by using an aromatic halide ...
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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...
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WO/2020/148780A1 |
The present invention provides a process for preparation of 4,4,4- trifluorobut-2-en-1-ol from alkyl 4,4,4-trifluorobut-2-enoate and also provides one step process for preparation of alkyl 4,4,4-trifluorobut-2-enoate from corresponding h...
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WO/2020/137545A1 |
A method for producing an amide, wherein after causing a dehydration condensation of carboxylic acids or a reaction between a carboxylic acid and a halogenated formic acid ester, a first base is reacted therewith and an amine is reacted ...
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WO/2020/127380A1 |
Described herein is a dental composition containing a polymerizable compound having at least one optionally derivatized β-hydroxy urethane unit. The polymerizable compound having at least one optionally derivatized β-hydroxy urethane u...
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WO/2020/114150A1 |
A synthesis method for a carbamate using dimethyl sulfoxide ylide, amine and carbon dioxide is provided. The carbamate is obtained by adding dimethyl sulfoxide ylide, an amine and a solvent into a pressure reactor, then adding a catalyst...
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WO/2020/104484A1 |
The present invention relates to the synthesis of N-trifluoromethylcarbonyl compounds starting from isothiocyanates, which can be converted into N-trifluoromethylcarbamoyl fluorides or similar compounds, which later on can be derivatized...
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WO/2020/095983A1 |
It was discovered that a cyclic sulfamidate could be produced by reacting an aminoacid derivative with a cyclization reagent. In addition, it was discovered that an O-substituted serine derivative could be produced by reacting the cyclic...
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WO/2020/097091A1 |
Method are disclosed for synthesizing derivatives of acyl-para-aminophenol and for the use of the compounds for treating lymphomas and tumors of the brain and spinal cord.
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WO/2020/063399A1 |
Provided is a method for the light-induced decarboxylation coupling of an active carboxylic acid ester under non-metal catalysis, the method comprising the steps of reacting an active carboxylic acid ester compound represented by formula...
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WO/2020/067577A1 |
Provided is a synthesis method comprising a first step of producing a carbonate compound from carbon monoxide and an alcohol-based compound at an anode of a first electrochemical cell comprising a cathode and the anode, and a second step...
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WO/2020/059768A1 |
The present invention provides a halogen compound that can be advantageously used for production of a 1,1-disubstituted hydrazine compound and preparation of a polymerizable compound. A compound according to the present invention is repr...
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WO/2020/040049A1 |
This composition includes a compound (A) represented by general formula (1) and a compound (B) represented by general formula (2), wherein the contained amount of the compound (B) is 0.00002-2.0 parts by mass with respect to 100 parts by...
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WO/2020/040048A1 |
This composition includes a compound (A) represented by general formula (1) and a compound (B) represented by general formula (2), wherein the contained amount of the compound (B) is 0.00002-0.2 parts by mass with respect to 100 parts by...
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WO/2020/040050A1 |
Provided are: a composition that has excellent stability during storage and excellent stability during use; and a production method for the composition. The composition according to the present invention includes a compound (A) represent...
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