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WO/2012/035017A1 |
A process for the preparation of a compound of formula (I) which are useful as intermediates in the preparation of pharmaceutically active compounds.
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WO/2012/033225A1 |
The present invention relates to a novel method for producing a pyridazinone compound and an intermediate thereof as shown in the following scheme: wherein the symbols are as defined in the specification.
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WO/2012/028162A1 |
A process for preparing compounds of the formula (4), wherein a mixture of an aniline (compound of the formula Q) is reacted with a thioether (compound of the formula W) in the presence of sulfuryl chloride as a chlorinating agent and of...
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WO/2012/026617A1 |
The present invention relates to a process for producing a carboxylic acid ester, comprising a step of oxidizing an aldehyde by mixing an alcohol, carbon dioxide, the aldehyde and at least one compound selected from the group consisting ...
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WO/2012/026620A1 |
The present invention provides a novel process for preparing a sulfur-containing 2-ketocarboxylate compound without using any enzyme. The process comprises a step of oxidizing a hydroxyacetate compound having an optionally-substituted su...
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WO/2012/024839A1 |
A preparation method of dicyclohexyl disulfide is provided, in which sodium disulfide is reacted with chlorocyclohexane in an aqueous solvent to synthesize dicyclohexyl disulfide, and in which at least a part of the reaction mixture cont...
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WO/2012/026619A1 |
The present invention provides a novel process for preparing a sulfur-containing 2-ketocarboxylate compound without using any enzyme. The process comprises a step of oxidizing a hydroxyacetate compound having an optionally-substituted su...
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WO/2012/018757A1 |
The present invention discloses processes for forming polythiol compositions from olefinic hydrocarbons such as cyclooctadiene, cyclododecatriene, and trivinylcyclohexane. The polythiol compositions produced from these processes, includi...
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WO/2012/010644A1 |
Process for the synthesis of an isothiocyanate of general formula (I) SCN‑R1-R4-R2 in which R1 and R2 represent, independently of one another, an alkyl, aryl or alkylaryl group, R4 represents a carbonyl, sulphinyl or sulphonyl group or...
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WO/2012/002780A2 |
A composition for manufacture of a light emitting particle-polymer composite, the composition including a light emitting particle, a first monomer including at least two thiol groups, each located at a terminal end of the first monomer, ...
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WO/2011/157959A1 |
The invention relates to a process for preparing acrolein from glycerol or glycerin, according to which glycerol or glycerin is dehydrated in the presence of a catalyst, the active phase of which consists of at least a) a silicon oxide, ...
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WO/2011/152540A1 |
The present invention relates to a process for producing methionine, comprising a first step of reacting 2-amino-3-buten-1-ol with methanethiol, and a second step of oxidizing 2-amino-4-methylthio-1-butanol obtained in the first step. Th...
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WO/2011/141568A1 |
The present invention provides a method for the preparation of a radiolabeiied guanidine derivative, in particular wherein the radiolabeiied guanidine derivative is a positron emission tomography (PET) tracer. Certain intermediates usefu...
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WO/2011/139887A2 |
The present invention provides bis(hydroxyalkyl)mercaptosuccinates of the formula: (I) and derivatives thereof, where X1, X2, Z1, Z2, Y1, Y2, Ra, Rb, R1, and R2 are those defined herein. The present invention also provides methods for pr...
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WO/2011/130170A1 |
The present invention discloses compositions comprising oligomers derived from bis(beta-hydroxy) polysulfides, such as dihydroxydiethyl disulfide, and oligomerization processes for producing these compositions.
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WO/2011/126129A1 |
The present invention relates to a process for producing a sulfur-containing amino acid, comprising a step of oxidizing a 2-aminoethanol compound having, at position 2, a sulfur-containing hydrocarbon group having 1 to 24 carbon atoms in...
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WO/2011/126130A1 |
The present invention relates to a process for producing a sulfur-containing amino acid, comprising a step of oxidizing a 2-aminoethanol compound having, at position 2, a sulfur-containing hydrocarbon group having 1 to 24 carbon atoms in...
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WO/2011/118849A1 |
According to the present invention, a new process for producing a sulfur-containing amino acid without using of hydrogen cyanide or sodium azide which requires careful handling as a raw material can be provided. The present invention rel...
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WO/2011/113774A1 |
The invention related to a process for the preparation of a bismercaptodiether by reacting a polysulfide with a monothiol in the presence of a base and to a process for the depolymerization of a polysulfide by reacting said polysulfide w...
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WO/2011/114955A1 |
Disclosed are: a diaryl sulfone compound represented by general formula (1); a manufacturing method for a diaryl sulfone compound represented by general formula (1) in which a 4,4'-dihalo aryl sulfone compound is reacted with a thiol sal...
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WO/2011/105526A1 |
An ester compound represented by formula (1): wherein R1 represents 2-propenyl or 2-propynyl, and R2 represents C1-C4 alkyl, has an excellent pest control effect and is therefore useful as an active ingredient of a pest control agent.
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WO/2011/093497A1 |
Provided is a plasma oxidation-reduction method with which it is possible to control the structure of amino acids and proteins with high and stable reproducibility, by using plasma in order to control the amino acids and proteins that ma...
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WO/2011/083254A1 |
The invention relates to a method for preparing acrolein from glycerol or glycerine, according to which the glycerol or glycerine is dehydrated in the presence of a catalyst that consists of least one silica modified by zirconium dioxide...
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WO/2011/080752A1 |
A process for the preparation of perfluoroalkyl sulfenyl chloride; said process comprising i) reacting a compound of formula (I) wherein R represents an aromatic group with or without a substituent; and R' represents a halogen, with at l...
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WO/2011/074815A2 |
The present invention relates to a method for preparing N,N'-dialkyl-3,3'-dithiodipropionamides which are intermediate compounds used for preparing substituted 3-isothiazolones. More particularly, the method of the present invention comp...
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WO/2011/070028A1 |
Whilst methodologies for the Kinetic Resolution of alcohols are well established, no analogous direct methods exist for the highly selective, direct catalytic Kinetic Resolution of thiols (i.e., R-SH). The present invention relates to a ...
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WO/2011/066115A2 |
An overbased, sulfurized salt of at least one alkylated hydroxyaromatic compound, wherein the alkyl substituent of the hydroxyaromatic compound is a residue of at least one isomerized olefin having from about 15 to about 99 wt. % branchi...
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WO/2011/058915A1 |
Disclosed is a process for producing a high-purity aromatic sulfonyl chloride compound readily, on an industrial scale, and with high efficiency. A reaction product produced by reacting sulfuryl chloride, N,N-dimethylformamide and sulfur...
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WO/2011/040131A1 |
3-Mercapto-1-propanol can be produced in high yield without using pyrophoric aluminum lithium hydride, by subjecting a compound of the following formula (1) to addition reaction with allyl alcohol to prepare a compound of the following f...
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WO/2011/019076A1 |
A process for the preparation of (fluoroalkylthio)acetic acid esters represented by general formula (3) (wherein R is a hydrogen atom or a C1-5 alkyl group; R1 is a C1-4 alkyl group; and R2 is a C1-5 fluoroalkyl group), characterized by ...
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WO/2011/012815A1 |
The present invention relates to the masking of the odour of organic sulphides and more particularly that of alkyl sulphides or of dialkyl sulphides, especially dimethyl sulphide, and also of oxides thereof, and especially of dimethyl su...
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WO/2011/012820A1 |
The invention relates to solvent compositions predominantly comprising at least one oxide of an organic sulfide, more particularly dimethyl sulfoxide, to which is added at least one odour-masking agent comprising at least one compound se...
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WO/2011/009817A1 |
The invention relates to a method for the continuous production of methyl mercaptan by converting a mixture, which contains carbon-containing compounds, with sulfur and hydrogen, wherein the resulting compounds of carbon disulfide and hy...
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WO/2010/144891A1 |
The present invention relates to compounds and related technetium and rhenium complexes thereof which are suitable for imaging or therapeutic treatment of tissues, organs, or tumors. In another embodiment, the invention relates to method...
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WO/2010/133077A1 |
A kind of ketoxime ester compound used as photoinitiator, especially a kind of ketoxime ester photoinitiator used as the photocuring material, wherein said ketoxime ester photoinitiator has following general formula (I): Wherein R1 is fo...
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WO/2010/127786A1 |
The invention relates to a method for producing oxindoles and ortho-substituted anilines and the use thereof as intermediate products for syntheses. Method for producing compounds of the formula (4): wherein a mixture of an aniline (comp...
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WO/2010/125923A1 |
Disclosed is a polymer-supported catalyst in which a group 8-11 metal of the periodic table is supported by a polymer carrier represented by formula (1a), preferably a polymer carrier represented by formula (1b). (In the formulae, A repr...
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WO/2010/100486A2 |
The present invention is directed to a process for the preparation of ajoene, and to ajoene having a relatively high purity which may be obtained by the process. The invention also relates to processes for the preparation of allicin, to ...
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WO/2010/098372A1 |
A heterocyclic compound represented by formula (1) and a field effect transistor having a semiconductor layer comprising the compound. (In the formula, X1 and X2 each independently represents a sulfur atom or a selenium atom, and R1 and ...
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WO/2010/095745A1 |
Provided is a method that enables 3-mercaptocarboxylic acid, which is industrially useful, to be obtained at high yield with good productivity while limiting the production of by-products, and that additionally has low environmental impa...
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WO/2010/094630A1 |
The invention relates to a method for converting ammonium salts of organic acids into the respective free organic acids, wherein an aqueous solution of the ammonium salt is brought into contact with an organic extraction agent, and the s...
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WO/2010/090845A1 |
Disclosed are certain complexes of AFC compounds and binding agents. Such complexes are useful, among other things, in the treatment of inflammatory diseases or disorders.
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WO/2010/088862A1 |
Disclosed is a method for preparing 7-halo-2-oxo-heptylate, an intermediate of cilastatin. The main steps are as follows: A. Addition reaction, in which 6-halo-hexanal is reacted with a cyanide to obtain 7-halo-α-hydroxyl-heptonitril; B...
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WO/2010/087377A1 |
Provided is a novel method with which a dithiocarbamate group-containing compound can be converted into various functional groups using a simpler technique. A method for producing a thio compound including a step of converting a dithioc...
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WO/2010/074335A1 |
Disclosed is a method for producing a flavor composition utilizing a thermal reaction between methionine and a sugar, wherein methional can be contained in the flavor composition at a higher concentration. Also disclosed is food or the ...
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WO/2010/071988A1 |
Described herein are routes of synthesis and therapeutic uses of 1-alkyl, 2-acyl glycerol derivatives of formula I: which when administered to mammalian biological systems result in increased cellular concentrations of specific sn-2 subs...
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WO/2010/072756A1 |
The invention relates to a method for compressing a gas stream containing hydrogen sulfide, comprising (i) compressing the gas stream containing the hydrogen sulfide in a compressor, (ii) flushing the compressor with a mixture containing...
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WO/2010/068531A1 |
A perfluoropolyether thiol compound comprises a perfluoropolyether segment, at least one mercapto group (-SH), and at least one intervening divalent carbonylimino moiety (-C(=O)-NR-, wherein R is hydrogen or alkyl). The compound can be p...
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WO/2010/058129A2 |
The present invention relates to a method for manufacturing methylmercaptopropionaldehyde (MMP) including at least the following steps: (a) dehydrating glycerol to acrolein from an aqueous solution of glycerol in the presence of an acid ...
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WO/2010/058838A1 |
Disclosed is a method for producing an alkenyl mercaptan (2) by reacting an alkenyl halide (1) with an alkali hydrosulfide. The method for producing an alkenyl mercaptan (2) is characterized in that the reaction is carried out in the pr...
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