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Matches 1 - 50 out of 7,286

Document Document Title
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/2017/064250A1
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...  
WO/2017/024092A1
Disclosed are methods for preparing disulfide compounds through oxidative coupling of thiol compounds. Thiols are oxidized to the corresponding disulfide compound in high yield in presence of a base and a metal salt. The method uses low ...  
WO/2017/006931A1
The present invention provides a compound represented by formula (I), a pharmaceutically acceptable salt thereof or a solvate thereof. This compound is capable of specifically binding to an AMPA receptor, and shows extremely high brain u...  
WO/2017/007624A1
A process and apparatus for oxidizing thiol compounds from an alkaline stream. The process includes passing a thiol rich alkaline stream and an oxygen containing gas to a low pressure oxidizing zone to oxidize at least a portion of the t...  
WO/2017/000867A1
The present invention provides a process of purifying methionine. The process uses a macroporous adsorption resin to separate methionine and a byproduct salt, and can obtain a methionine product having a purity ≥ 99% via adsorption a...  
WO/2016/208707A1
This method for manufacturing a pentaerythritol mercapto carboxylic acid ester comprises a step in which pentaerythritol and a mercapto carboxylic acid are reacted. The light absorbance of a 5 wt% aqueous solution of the pentaerythritol ...  
WO/2016/204547A2
The present invention relates to a method for producing 3-mercaptopropionic acid and methods using same for producing a carbonic acid ester compound having a mercapto group and a thiourethane-based optical material. The present invention...  
WO/2016/204547A3
The present invention relates to a method for producing 3-mercaptopropionic acid and methods using same for producing a carbonic acid ester compound having a mercapto group and a thiourethane-based optical material. The present invention...  
WO/2016/192610A1
The present invention provides a compound having a novel acyloxime ester structure of the structure shown in a general formula I. The compound has a desirable ultraviolet absorption effect. The compound has characteristics of desirable s...  
WO/2016/192611A1
The present invention provides a compound having an acyloxime ester structure of the structural shown in a general formula I. The compound has a desirable ultraviolet absorption effect. The compound has characteristics of desirable solub...  
WO/2016/182759A1
A method of producing an organopolysulfide or salt thereof is provided which includes a step of mixing an organomonosulfide or salt thereof and elemental sulfur, wherein the mixing is carried out at a temperature not greater than 95C and...  
WO/2016/174231A1
A process for the preparation of methionine a-hydroxy analogue and derivatives thereof comprising contacting one or more sugars or derivatives thereof with a metallo-silicate composition in the presence of a compound comprising sulphur a...  
WO/2016/170252A1
The invention relates to a continuous method for making methionine by alkaline hydrolysis of methionine hydantoin in the aqueous phase, eliminating NH3 and CO2 from the hydrolysis medium, and neutralizing the methionine salt obtained, wh...  
WO/2016/171146A1
The purpose of the present invention is to provide a method for producing fluorinated organic compounds that obtains fluorinated organic compounds, which could not be produced at a satisfactory yield by conventional methods for producing...  

Matches 1 - 50 out of 7,286