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JP5316755B2 |
To provide a new norbornene compound containing a sulfur atom, excellent in transparency, heat resistance and waterproof property and capable of being applied in various uses such as an electronic material, an optical material, a molded ...
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JP5308005B2 |
To provide a compound which is excellent in heat resistance and the like and is useful as an additive for resins and the like. Provided is a new fluorene compound represented by formula (1), wherein X is an alkylidene group or an alkylen...
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JP5312192B2 |
To provide a manufacturing method for an aromatic thiol compound and/or an aromatic sulfide compound. The manufacturing method for an aromatic thiol compound and/or an aromatic sulfide compound comprises subjecting an aromatic halogen co...
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JP5311738B2 |
The invention relates to an oxidic catalyst containing cesium and tungsten for the synthesis of alkyl mercaptans from alkanols and hydrogen sulfide, and to a process for the production of this catalyst, wherein the molar ratio of cesium ...
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JP2013199441A |
To provide a method of producing an alkylthiol, by which an alkylthiol can be produced with high yield.A method of producing an alkylthiol is carried out by using a hydrogen sulfide metal salt expressed by formula (II):M(SH)n, where M re...
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JP5307512B2 |
A process for producing methionine advantageously in view of cost, while efficiently recovering useful components, is provided. The present invention relates to a process for producing methionine, comprising the following steps (1), (2),...
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JP5306402B2 |
A method for preparing 3-(methylthio)propanal and 2-hydroxy-4-(methylthio)butanenitrile by catalyzed addition of methylmercaptan to acrolein and hydrogen cyanide to 3-(methylthio)propanal.
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JP5306204B2 |
The present invention relates to the preparation of alpha-hydroxy ketones of the general formula I. In particular, the invention relates to novel imidazolinium carboxylate adducts and to a novel process for using catalytic amounts of imi...
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JP5300010B2 |
To provide a new compound which can enhance the fragrance having a high penchant such as a feeling of cooking vegetables, a feeling of cooking meat, and a feeling of roasting or grinding sesames, particularly a fresh roasting feeling and...
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JP5292888B2 |
To provide a new sulfur atom-containing norbornene compound which, because of its excellent transparency, heat resistance, and water resistance, can be applied to various uses such as electronic materials, optical materials, moldings, co...
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JP5295130B2 |
A process for continuously preparing methyl mercaptan by reacting a reactant mixture which contains a dialkyl sulphide and a dialkyl polysulphide with hydrogen sulphide to give methyl mercaptan.
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JP5291854B2 |
The present invention provides a method represented by Scheme 1: wherein X represents I, Br, Cl, alkylsulfonate, or arylsulfonate; Z represents optionally substituted aryl, heteroaryl or alkenyl; L represents hydrogen or a negative charg...
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JP5295560B2 |
Compounds of the formula (I): in which R, R1 and R2 are as defined in the description, the use thereof for the treatment of dyslipidaemia, atherosclerosis and diabetes, pharmaceutical compositions comprising them, and . processes for the...
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JP2013181022A |
To provide a method of manufacturing amino acid (3) in good yield.A method of manufacturing amino acid (3) is characterized in that at least one chosen from a group consisting of an N-acylamino acid (1) and an N-acylamino acid ammonium s...
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JP2013177360A |
To provide a new method for producing an α-ketoaldehyde compound from a 2-oxo-primary alcohol compound.A method for producing an α-ketoaldehyde compound includes the step of oxidizing a 2-oxo-primary alcohol compound in the presence of...
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JP2013173717A |
To provide a method of producing a purified methionine, wherein a loss caused by cleaning is reduced.A method of producing a purified methionine from a crude methionine includes a step of cleaning the crude methionine by using cleaning w...
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JP2013533219A |
A carbocatalyst for use in oxidation and polymerization reactions includes particles having a carbon and oxygen-containing material, such as catalytically-active graphene oxide and/or catalytically-active graphite oxide. In some cases, t...
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JP5266499B2 |
The present invention provides a method represented by Scheme 1: wherein X represents I, Br, Cl, alkylsulfonate, or arylsulfonate; Z represents optionally substituted aryl, heteroaryl or alkenyl; L represents hydrogen or a negative charg...
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JP5270338B2 |
The invention relates to a process for the preparation of onium alkylsulfonates by reaction of an onium halide or carboxylate with a symmetrically substituted dialkyl sulfite or with an asymmetrically substituted dialkyl sulfite at tempe...
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JP2013155144A |
To provide a method of easily producing a dithiol compound in high yield.A dithiol compound represented by general formula (4) or (5) is easily obtained in high yield by reacting a dihalogen compound with a thiourea compound in water or ...
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JP5261181B2 |
The present invention relates to 2,5-di-substituted-4-phenyloxy-substituted-phenyl-amidine derivatives of formula (I) in which the substituents are as in the description, their process of preparation, their use as fungicide or insecticid...
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JP5264904B2 |
The present application relates to sulfanyl derivatives of formula (I) and to their use as synthesis intermediates, especially for the preparation of the pharmaceutically active compound mesna. Formula (I), wherein X is O or N—C(NH)NH2...
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JP2013144663A |
To provide a novel method capable of producing methionine without using hydrogen cyanide as a raw material.The present invention relates to a method for producing methionine including a step A of oxidizing 4-methylthio-2-oxo-1-butanal in...
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JP5244604B2 |
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JP5237789B2 |
The invention relates to a process for the continuous production of methylmercaptan by reacting a starting gas mixture of methanol and hydrogen sulphide in the gas phase at a reaction temperature between 200 and 600° C. and an operating...
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JP5236659B2 |
The present invention relates to a process for the preparation of 1-(2-ethyl-butyl)- cyclohexanecarboxylic acid which is useful as an intermediate in the preparation of pharmaceutical active compounds, wherein cyclohexanecarboxylic acid ...
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JP5237811B2 |
The present invention relates to a process for continuously preparing methyl mercaptan from hydrogen sulphide and methanol in a direct connection with the preparation of hydrogen sulphide.
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JP5238757B2 |
2-Mercaptocyclopentanecarboxylic acid compounds (I) and their optical isomers and acid addition salts are new. 2-Mercaptocyclopentanecarboxylic acid compounds of formula (I) and their optical isomers and acid addition salts are new. R 1 ...
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JP5237880B2 |
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JP5234632B2 |
A polymerization accelerator comprises a specific thiol compound. A curable composition of excellent thermal stability contains the polymerization accelerator. A cured product is obtained from the curable composition. The polymerization ...
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JP5230732B2 |
Cysteine derivatives of formula (I) wherein R 1 -R 7 are as defined in the claims, and their use as malodor counteractant. Furthermore, a process for their production and consumer products comprising them are described.
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JP5225797B2 |
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JP5227339B2 |
Solid catalyst (I) with a Hammett acidity of less than +2 based on tungsten compounds, also contains promoter(s) selected from compounds of gold, silver, copper, platinum, rhodium, palladium, ruthenium, samarium, cerium, yttrium, scandiu...
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JP5223087B2 |
To obtain a chemical substance modifier for modifying physical properties of a straight-chain alkyl chain-containing compound or a composition containing the same, to provide a method for producing a modified compound and a modified comp...
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JP5212177B2 |
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JP2013119519A |
To provide a method for producing liquid polysulfide capable of reducing greatly the generation amount of hydrogen sulfide generated in a side reaction.In this method for producing liquid polysulfide not forming solid polysulfide, sodium...
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JP2013522213A |
Provided herein are processes for the preparation of N-acylated amines. In particular, the processes comprise contacting an amine with an acid comprising a carboxylic acid group to form the N-acylated amine.
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JP5207020B2 |
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JP5208420B2 |
New thiol and disulfide-containing maytansinoids bearing a mono or di-alkyl substitution on the α-carbon atom bearing the sulfur atom are disclosed. Also disclosed are methods for the synthesis of these new maytansinoids and methods for...
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JP2013112700A |
To provide a sulfur-containing π-conjugated compound useful as a conducting material, an organic EL material, a high refractive index material, or the like; and to provide a method for producing the same.The sulfur-containing π-conjuga...
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JP5204670B2 |
The invention relates to a process for preparing a polysulfide comprising the step of reacting a first hydroxyl-terminated polysulfide of formula (I) wherein n is 2 to 40, with at least one compound selected from the group consisting of ...
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JP2013095732A |
To provide a method for producing an N-acylamino acid (3) in good yield.The method is configured to produce an N-acylamino acid (3) by reacting an aldehyde compound (1), an amide compound (2), and carbon monoxide in the presence of a cob...
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JP5196787B2 |
αβ-Unsaturated sulfoxides of Formula I: are useful as antiproliferative agents including, for example, anticancer agents, and as radioprotective and chemoprotective agents.
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JP5198020B2 |
To provide a new fluorine-containing vinyl sulfide derivative useful as a synthetic intermediate for medicines and agrochemicals. The (E)-aryl β-(trifluoromethyl)vinyl sulfide derivative is represented by general formula (1) (wherein R1...
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JP5199880B2 |
The present invention relates to conjugates comprising an antibody covalently bonded to a detectable label through a hydrazide thiol linker, wherein a hydrazide group of the linker is covalently bonded to an Fc region of the antibody, an...
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JP2013075885A |
To provide a new method for producing a methionine without using a hydrogen cyanide as a raw material.The method for producing the methionine includes: a process A for oxidizing 4-methylthio-2-oxo-1-butanal in the presence of an alcohol;...
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JP5186710B2 |
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JP2013067602A |
To provide a process for producing an α-hydroxyketone compound easily and with a high yield.In the process for producing an α-hydroxyketone compound, a coupling reaction of an aldehyde compound is conducted in the presence of an imidaz...
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JP5186115B2 |
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JP5182198B2 |
An object of the present invention is to provide a process capable of producing 3-methylthiopropanal with subgeneration of high-boiling impurities being favorably inhibited. The present invention provides a process for producing 3-methyl...
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