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Matches 1 - 50 out of 7,319

Document Document Title
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...  
WO/2017/209297A1
A compound represented by general formula (2) [wherein R1 and R2 are as defined above; and X represents a halogen atom] is reacted in the presence of a palladium catalyst and a base. In this manner, it becomes possible to synthesize a tr...  
WO/2017/191196A1
There is provided a method of producing a method of producing methionine, the method comprising - contacting vinylglycine or derivatives thereof with at least one free radical methyl mercaptanin a reaction medium.  
WO/2017/191195A1
There is provided a method of producing at least one unsaturated amino acid from at least one amino acid comprising at least two carbonyl groups, the method comprising (a) contacting a recombinant microbial cell with a medium comprising ...  
WO/2017/186969A1
The present invention relates to a method of radiochemical synthesis which is useful in the synthesis of a positron emission tomography (PET) tracer.  
WO/2017/176321A1
The present invention discloses thiol compositions containing monothiotricyclodecenes, dithiotricyclodecanes, and intermolecular sulfide compounds, as well as mining chemical collector compositions containing such thiol compositions. Flo...  
WO/2017/170952A1
The present invention relates to: a novel compound that is useful as a ligand in a variety of catalytic organic synthetic reactions; a method for easily and efficiently producing said novel compound; a synthetic intermediate of said nove...  
WO/2017/161556A1
A process for recovering oil by injecting an enhanced oil recovery formulation comprising of from 80 to 95% by weight of carbon dioxide and of from 5 to 20% by weight of dimethyl sulfide comprising (i) reacting carbon with oxygen in the ...  
WO/2017/159552A1
A high-purity polyfunctional thiol compound is obtained by a method for producing a polyfunctional thiol compound, the method including a step for reacting a compound represented by general formula (11) and a compound represented by HN(R...  
WO/2017/159839A1
A method for producing a (poly)sulfide compound represented by general formula (2) according to the present invention comprises reacting thiol compounds each represented by general formula (1) with each other in the presence of a basic c...  
WO/2017/152539A1
Provided are a 4-sulfur pentafluoride phenol compound and a preparation method therefor, and a preparation method for a sulfur pentafluoride substituted benzopyran compound. According to the present invention, sulfur pentafluoride salicy...  
WO/2017/150478A1
[Problem] To provide an industrially preferred method for producing a sulfoxide derivative. [Solution] A method for producing a sulfoxide derivative represented by general formula (1), the method being characterized in that a sulfide der...  
WO/2017/140665A1
The present invention relates to a method for preparing 3-methylthiopropionaldehyde by reacting methyl mercaptan with acrolein, in which deviations in the stoichiometry of methyl mercaptan to acrolein in the reaction to give 3-methylthio...  
WO/2017/128860A1
The present invention discloses a carboxamide or amine compound, a preparation method thereof, and application thereof as a stable and efficient antioxidative stabilizer, and relates to the technical field of novel antioxidative stabiliz...  
WO/2017/130798A1
Disclosed is a polyarylene sulfide resin having a main chain including a structural unit represented by general formula (1.1). No absorption peak derived from the S=O stretching vibration of a sulfonyl group is observed in the infrared a...  
WO/2017/125673A1
The invention relates to a method for preparing a compound (I) or one of the salts thereof, and the uses of said method, R1OOC-C(=X)-CHR2 R3 (I), wherein X is selected among O; N-R', wherein R' is H or a C1-C6 alkyl; and N-OR'' wherein R...  
WO/2017/122822A1
The present invention addresses the problem of providing an industrially advantageous method for producing an optically active amidocarboxylic acid derivative, which is an important intermediate of a depsipeptide compound expected to be ...  
WO/2017/114858A1
The present invention relates to a process for producing a catalyst which comprises at least one alkali metal and at least one transition metal in oxidised form, comprising the steps of a) providing a solution comprising at least one com...  
WO/2017/116540A1
Compositions comprising branched C10 mercaptans selected from the group consisting of 5-methyl-1-mercapto-nonane, 3-propyl-1-mercapto-heptane, 4-ethyl-1-mercapto-octane, 2-butyl-1-mercapto-hexane, 5-methyl-2-mercapto-nonane, 3-propyl-2-m...  
WO/2017/116541A1
A chain transfer agent composition comprises at least one branched C10 mercaptan selected from 5-methyl-1-mercapto-nonane, 3-propyl-1-mercapto-heptane, 4-ethyl-1-mercapto-octane, 2-butyl-1-mercapto-hexane, 5-methyl-2-mercapto-nonane, 3-p...  
WO/2017/116540A9
Compositions comprising branched C10 mercaptans selected from the group consisting of 5-methyl-1-mercapto-nonane, 3-propyl-1-mercapto-heptane, 4-ethyl-1-mercapto-octane, 2-butyl-1-mercapto-hexane, 5-methyl-2-mercapto-nonane, 3-propyl-2-m...  
WO/2017/116541A9
A chain transfer agent composition comprises at least one branched C10 mercaptan selected from 5-methyl-1-mercapto-nonane, 3-propyl-1-mercapto-heptane, 4-ethyl-1-mercapto-octane, 2-butyl-1-mercapto-hexane, 5-methyl-2-mercapto-nonane, 3-p...  
WO/2017/104273A1
The present invention addresses the problem of providing a dialkyl sulfide which makes it possible to form a metal sulfide coating film on the surface of a metal effectively even under low-temperature environments, has excellent storage ...  
WO/2017/100602A1
Disclosed herein are methods of preparing an aminimide. An epoxy compound is reacted with a hydrazine compound comprising a trivalent nitrogen, and an anhydride functional material or a cyclic compound containing a carbonyl group and at ...  
WO/2017/095873A1
A process includes reacting, in a reactor having a fixed bed containing a solid catalyst which contains a heterogeneous ion exchange resin, hydrogen sulfide and ethylene oxide in the presence of the solid catalyst to yield a reaction pro...  
WO/2017/093172A1
Disclosed is a method for producing 2-alkyl-4-trifluoromethyl-3-alkyl sulfonyl benzoic acids of formula (I). In said formula, the substituents represent groups such as alkyl and substituted phenyl.  
WO/2017/072038A1
A method for synthesizing 2-alkyl-4-trifluoromethyl-3-alkylsulfonyl-benzoic acids of formula (I) is described. In said formula (I), the substituents represent groups such as alkyl and substituted phenyl (formulae (II)-(V), (V)-(I)).  
WO/2017/067497A3
Disclosed are a monosubstituted or polysubstituted amphiphilic hypocrellin derivative, preparation method therefor, and uses thereof. In the present invention, the amphiphilic hypocrellin derivative having substituted functional groups s...  
WO/2017/067497A9
Disclosed are a monosubstituted or polysubstituted amphiphilic hypocrellin derivative, preparation method therefor, and uses thereof. In the present invention, the amphiphilic hypocrellin derivative having substituted functional groups s...  
WO/2017/064250A1
The present invention relates to an industrial process for the preparation of (5S,10S)-10- benzyl-16-methyl-11,14,18-trioxo-15,17,19-trioxa-2,7,8-trith ia-12-azahenicosan-5-aminium (E)-3-carboxyacrylate salt of following formula (I) : wh...  
WO/2017/055753A1
The invention relates to a method for producing mercaptans from disulfides and hydrogen by enzyme catalysis, and in particular for producing methylmercaptan from dimethyl disulfide and hydrogen.  
WO/2017/055752A1
The invention relates to a method for producing mercaptans from disulfides by enzyme catalysis, and in particular for producing methylmercaptan from dimethyl disulfide.  
WO/2017/036934A1
The invention relates to a method for obtaining a carboxylic acid from a fermentation broth and to a system which is designed to carry out the method. The method has the following steps: a) separating the biomass from the fermentation br...  

Matches 1 - 50 out of 7,319