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Matches 1 - 50 out of 7,401

Document Document Title
WO/2019/004780A2
The present application relates to an O-succinyl homoserine transferase mutant, a polynucleotide for coding same, a microorganism comprising the mutant, and a method for producing O-succinyl homoserine using the microorganism.  
WO/2019/004779A2
The present application relates to an O-succinyl homoserine transferase mutant, a polynucleotide for coding same, a microorganism comprising the mutant, and a method for producing O-succinyl homoserine using the microorganism.  
WO/2018/233562A1
The present invention relates to an intermediate for preparing oseltamivir and an isomer thereof. The intermediate of the present invention is prepared by means of neighboring group participation at room temperature under the conditions ...  
WO/2018/227840A1
The present application relates to a methionine production method for reducing by-product sodium sulfate, comprising: adding sodium carbonate or a mixture of sodium carbonate and sodium hydroxide into 5-(2-methylthioethyl)-hydantoin aque...  
WO/2018/227839A1
The present application relates to an environment-friendly production method for methionine, comprising: hydrolyzing 5-(2-methylthioethyl)-hydantoin with sodium carbonate, then performing sodium carbonate crystallization, performing soli...  
WO/2018/225790A1
The present application discloses a crystal of an oxidized glutathione dication salt and a production method for the crystal.  
WO/2018/215206A1
The present invention relates to a process for preparing methionine comprising the hydrolysis of 5-(2-methylmercaptoethyl)hydantoin (methionine hydantoin) in an alkaline process solution in which by-products comprising formate and other ...  
WO/2018/217811A1
Provided herein, inter alia, is the synthesis of ETP derivatives. The synthesis methods described herein include converting a ring bridging trisulfide compound to a ring bridging disulfide compound. Also provided herein are compositions,...  
WO/2018/212149A1
The invention of the present application provides a pneumatic conveyance method for methionine that can suppress crush of methionine to a minimum, the method being characterized in that, when pneumatically conveying methionine using carr...  
WO/2018/210615A1
The present invention relates to a process for preparing methionine, comprising the alkaline hydrolysis of 5-(2-methylmercaptoethyl)-hydantoin (methionine hydantoin) in an aqueous process solution comprising alkali metal hydroxide and/or...  
WO/2018/208663A1
A dynamic cross-linked polymer nanocomposite adhesive has been developed by the oxidation of a thiol functionalized semi-crystalline and/or amorphous oligomer and thiol functionalized Cellulose Nanocrystals (CNCs) to form a polydisulfide...  
WO/2018/199292A1
The invention of the present application provides a recovered-carbon-dioxide purifying method in which, by bringing a carbon dioxide gas containing at least 3-methylmercapto-propionaldehyde and acrolein into contact with activated carbon...  
WO/2018/199294A1
The present invention provides a methionine production method characterized by including: a step in which 5–[2–(methylthio) ethyl] imidazolidine–2,4–dione is hydrolyzed in the presence of an alkali compound and a reaction liquid ...  
WO/2018/199146A1
Provided is a novel method for producing amide compounds at high stereochemical selectivity. This method for producing amide compounds is provided with an amidation step for reacting an aminoester compound represented by general formula ...  
WO/2018/199296A1
The present invention provides a methionine production method including: a reaction step (1) in which 5–[2–(methylthio) ethyl] imidazolidine–2,4–dione is hydrolyzed in the presence of an alkali compound and a reaction liquid that...  
WO/2018/199295A1
The present invention is a method for producing methionine which includes a crystallization step in which carbon dioxide is introduced into a liquid reaction mixture containing an alkali salt of methionine and obtained by hydrolyzing 5-[...  
WO/2018/173820A1
The method according to the present invention for producing a polythiol compound comprises a step for reacting a compound represented by general formula (3) with sodium sulfide to give a polyalcohol compound represented by formula (4), a...  
WO/2018/167405A1
The invention concerns a method for manufacturing 2-hydroxy-4-(methylthio)butyric acid (HMTBA) from 2-hydroxy-4-(methylthio)butyronitrile (HMTBN), comprising the following steps: hydrolysing the HMTBN to HMTBA in the presence of a minera...  
WO/2018/162364A1
The present invention refers to a process for a catalytic aryl transfer to rearrange the backbone of aromatic C-X bonds.  
WO/2018/151501A1
The present invention relates to a novel polyol or polythiol having three or more functional groups, a preparation method therefor, and an optical body manufactured therefrom. Especially, the present invention relates to a poly(thio)uret...  
WO/2018/146415A1
The present invention relates to the method for preparing polythiols comprising the preparation of a sulphydration reaction medium, simultaneously conducting the radical sulphydration reaction of said at least one polyene and the acid ca...  
WO/2018/144101A1
Described herein are labeling agents, specifically [11C]fluoroform, [11C]difluoromethane, [11C]fluoromethyl iodide, [11C]fluoromethyl bromide, [11C]fluoromethyl chloride, [11C]fluoromethyl trifluoromethansulfonate, [11C]difluoromethyl io...  
WO/2018/138400A3
The present invention relates to a high-yield method for the production of extracts enriched with organosulfur compounds of the S-alkenyl-L-cysteine and S-alkyl-L-cysteine type. Said compounds are obtained from plants of the genus Allium...  
WO/2018/134836A1
Disclosed herein is a novel synthesis for the manufacture of D Penicillamine via novel chiral auxiliaries as intermediate compounds. The process comprises conversion of D Camphoric acid into an amido ester by reacting it with glycine met...  
WO/2018/118319A1
One exemplary embodiment can be a process for oxidizing one or more thiol compounds from an alkaline stream. The process may include passing a mixed stream having the alkaline stream to a vessel having an oxidation section, a separation ...  
WO/2018/118689A1
One exemplary embodiment can be a process for oxidizing one or more thiol compounds from an alkaline stream. The process may include passing a mixed stream having the alkaline stream to a vessel having an oxidation section, a separation ...  
WO/2018/114640A1
The present invention relates to a method for preparing methionine or methionine salts. In particular, the invention describes the step of preparing 2-hydroxy-4-(methylthio)butyronitrile (MMP-CN) from 3-methylthiopropanal (MMP) and hydro...  
WO/2018/100019A1
The invention relates to thioether-compounds of formula (I), wherein R1, R2, X, A1, m and Z1 are defined as cited in claim 1, to their production, their use as components in liquid crystal media and to electrooptic display elements conta...  
WO/2018/100008A1
The present invention relates to a process for the preparation of freeze-dried 2-[(3-aminopropyl)amino]ethanethiol comprising the following steps: a) the reaction of a solution of amifostine with a strong acid, to obtain a solution of 2-...  
WO/2018/094960A1
The present invention relates to a cinnamic acid benzoyl methyl ester compound of formula (I), wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13 and R14 are as defined in the description. The present invention also relates t...  
WO/2018/072262A1
The present invention relates to a polythioether PVC co-stabiliser and a preparation method and an application thereof, the preparation method comprising the following steps: mixing a mercapto compound, an oxidant, and a reflux solvent, ...  
WO/2018/073157A1
The invention relates to a method for producing 3-alkylsulfanyl-2-chloro-N-(1-alkyl-1H-tetrazol-5-yl)-4-trif luoromethyl-benzamides of formula (I). In said formula, the substituents R1 and R2 represent residues such as alkyl and substitu...  
WO/2018/070543A1
The purpose of the present invention is to provide a method for producing a phosphoramidite suitable for nucleic acid production (synthesis) with high efficiency and high purity. A phosphoramidite which allows for efficient nucleic acid ...  
WO/2018/058534A1
The present invention relates to the field of medicinal chemistry. Disclosed are a pleuromutilin derivative having a 2-amino phenyl mercaptan side chain, a preparation method therefor, and uses thereof. The compound has the structures re...  
WO/2018/049016A1
The present invention discloses processes for producing a thiol compound or a sulfide compound from an olefin compound. Diphenylamine or a phenol compound can be used to increase the rate of conversion of the olefin compound to the thiol...  
WO/2018/043896A1
One embodiment relates to a polythiol composition for an optical material and a method for preparing same. According to the method for preparing the polythiol composition, according to the embodiment, a side-reaction is inhibited when pr...  
WO/2018/043901A1
One embodiment relates to a method for preparing a polythiol compound for an optical material. According to the method for preparing a polythiol compound, according to the embodiment, a particular type of base is used in a hydrolysis pro...  
WO/2018/041245A1
Disclosed are an amino mercaptan compound and a preparation method therefor and the use thereof in protection against radiation. The compound has the structure of formula I, wherein A1 is selected from -C(O)NR8-, -S(O)2-NR8-, -S(O)NR8- a...  
WO/2018/035316A1
Disclosed herein are systems and processes involving the catalyzed cleavage reaction of dimethyl sulfide to methyl mercaptan. The catalyzed cleavage reaction can be a standalone system or process, or can be integrated with a methyl merca...  
WO/2018/030391A1
Provided is a polythiol compound manufacturing method including: obtaining a polyol compound represented by formula (1) by reacting 2-mercaptoethanol with 1.00-1.25 equivalent amount of epihalohydrin relative to 2-mercaptoethanol; and, s...  
WO/2018/028050A1
Disclosed is an asymmetric aryl-alkyl persulfate compound as represented by formula (3) and a synthesis method therefor, in which an arylboronic acid of formula (1) and R2SSCOR3 of formula (2) serve as reaction raw materials and, under t...  
WO/2018/026023A1
Provided are: a method for producing a polythiol compound, comprising reacting 2-mercaptoethanol with epihalohydrin, wherein the reaction is carried out in the presence of a halide selected from the group consisting of a 2,3-dihalogeno-1...  
WO/2018/021338A1
The present invention is a method for producing a specific α-amino acid in which a specific α-amino acid amide and water are reacted with each other in the presence of a zirconium compound, wherein the zirconium compound contains zirco...  
WO/2018/014880A1
Provided are a vortioxetine analogue as shown in formula I or a polymorph or a solvate thereof, a composition and a kit comprising the analogue, polymorph or solvate, the use of the analogue, polymorph or solvate in the preparation of a ...  
WO/2018/012803A1
An embodiment relates to an aromatic polythiol compound for an optical material, and the aromatic polythiol compound according to the embodiment contains a phenyl group and a plurality of sulfurs in a polythiol structure. Therefore, a po...  
WO/2018/003059A1
Provided is a method for preparing a polythiol compound, the method comprising: step 1 for reacting 2-mercaptoethanol, which has a water content of 3000 ppm or less on a mass basis, with epihalohydrin to obtain a halide represented by fo...  
WO/2017/206703A1
A methionine new crystal form I, the crystal form II having diffraction peaks at 21.751±0.2°, 22.168±0.2°, 21.186±0.2°, 25.426±0.2°, 18.395±0.2°, and 32.879±0.2° at the diffraction angle 2θ. The methionine crystal form I of ...  
WO/2017/206704A1
A methionine new crystal form II, the crystal form II having diffraction peaks at 22.304±0.2°, 33.757±0.2°, 45.674±0.2°, 28.104±0.2°, 18.615±0.2°, and 42.739±0.2° at the diffraction angle 2θ. The methionine crystal form II o...  
WO/2017/210070A1
The present invention generally relates to the manufacture of methyl mercaptan using recycled dimethyl sulfide. In particular, the invention relates to a process for the continuous production of methyl mercaptan via the catalytic convers...  
WO/2017/206801A1
Disclosed are a class of diarylsulfide derivatives, a preparation method therefor, and the use thereof as a serotonin transporter-targeted imaging agent, belonging to the field of radiopharmaceutical chemistry. The diarylsulfide derivati...  

Matches 1 - 50 out of 7,401