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JP5248489B2 |
Disclosed is a method for producing a halogenated aromatic compound, which is characterized in that an aromatic compound wherein one or more substituents and two or more hydrogen atoms are attached to a nucleus and an N-iodine bond type ...
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JP5243303B2 |
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JP5237797B2 |
Provided are methods for the synthesis of heterocyclic compounds such as benzimidazole carboxylic acid core structures having Formula Ia-2 and their synthetic intermediates: wherein X1, X2, X5, R1, R2 and R4 are as defined herein. Compou...
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JP5234901B2 |
A process for producing a product of the asymmetric-catalyst Michael reaction. By the process, an a,ß-unsaturated aldehyde can be reacted with a nitroalkane such as nitromethane to obtain the corresponding Michael addition product in a ...
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JP5225078B2 |
The present invention provides an efficient, safe and cost effective way to prepare 5-(4-methyl-1 H -imidazol-1-yl)-3-(trifluoromethyl)-benzenamine which is a key intermediate for the preparation of substituted pyrimidinylaminobenzamides...
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JP5209324B2 |
The present invention relates to a process for the preparation of compounds of formula (I) wherein the substituents are as defined in claim 1, by a) reaction of a compound of formula (II) to form a compound of formula (III) b) reaction o...
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JP5197439B2 |
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JP5191477B2 |
Organic nitrites can be produced from a compound which is a mono/polyhydric alcohol or an aldehyde- or ketone-derivate thereof after de-aeration of the same, using NO gas, and stored in an environment saturated with gaseous NO. Organic n...
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JP5193664B2 |
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JP2013514162A |
A process for working up alkaline process wastewater from the nitration of aromatic compounds to mono-, di- and trinitroaromatics, said alkaline process wastewater having a pH of 7.5 to 13, comprising the steps of a) acidifying the alkal...
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JP2013514300A |
A process for working up alkaline process wastewater from the nitration of aromatic compounds to mono-, di- and trinitroaromatics with a pH of 7.5 to 13 or a mixture W with a pH of 6 to 10 of alkaline process wastewater and the aqueous d...
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JP5187616B2 |
A method for producing a ²-nitrostyrene compound is provided in which a benzaldehyde derivative represented by the following formula (I): and nitromethane are condensed in an acetic acid solvent in the presence of a primary amine. This ...
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JP5183920B2 |
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JP5183027B2 |
The present invention is directed to a process for the isothermal nitration of aromatic organic compounds, wherein an aromatic organic compound is brought into contact and reacted with a mixture of sulfuric acid and nitric acid. The mixt...
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JP5175235B2 |
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JP2013510827A |
This invention relates to a new process for preparing 4-nitro-oxy-methyl-benzoic acid, comprising the following steps: a) reaction of 4-chloromethyl-benzoic acid with silver nitrate and in the presence of an acid as a catalyst in acetoni...
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JP5170382B2 |
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JP2013047193A |
To provide a very practical and simple method for efficiently producing a resveratrol (RES) and a derivative thereof and a key intermediate for RES synthesis from an easily-available raw material.The method includes: obtaining a key inte...
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JP5152680B2 |
A process for producing a quinazolin-4-one compound having the formula: Äwherein R<1>, R<2>, R<3> and R<4> each represents a group not participating in the below-mentioned reaction, and R<1>, R<2>, R<3> and R<4> can be combined together...
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JP2013035813A |
To provide a method for catalytically enantioselectively producing a trifluoromethyl substituted pyrroline compound.A highly enantioselective conjugate addition reaction of a nitroalkane with a β-trifluoromethyl enone as a key reaction ...
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JP5138386B2 |
A process for preparing substituted biphenyls in which R1=nitro, amino or NHR3, R2=CN, NO2, halogen, C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C1-C6-alkoxy, C1-C6-haloalkyl, C1-C6-alkylcarbonyl or phenyl, R3=C1-C4-alkyl, C2-C4-alkenyl o...
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JP5139523B2 |
A system for production of nitrobenzene that may include a high shear device configured to produce a nanoemulsion having benzene particles dispersed in a mixture of nitric acid and sulfuric acid, wherein the particles have a mean diamete...
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JP2013018746A |
To provide a simple and efficient manufacturing method of 4-hydroxy-5-nitrobenzoic acid derivatives.The manufacturing method for a compound expressed by formula (1) or a salt of the compound [in formula (1), R1 is a 1C-4C alkyl group whi...
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JP2013503185A |
Aromatic compounds such as o-xylene are selectively nitrated by nitric acid in the presence of polyphosphoric acid and a large pore, acidic zeolite or a large pore, hydrophobic molecular sieve. This is an environmentally friendly, commer...
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JP2013503127A |
The present invention relates to a process for continuously preparing a mononitrated organic compound, especially a process for preparing mononitrobenzene. The invention relates more particularly to an improved continuous adiabatic proce...
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JP2013018777A |
To improve a widely and generally usable method for cross coupling a carbon electrophile and a carbon nucleophile by using a catalyst, which method forms in-situ the carbon nucleophile by removing a carboxyl group from a metal carboxylat...
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JP5133097B2 |
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JP5133098B2 |
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JP5115998B2 |
The present invention provides the catalyst precursor that has excellent safety and stability, has high stable activity retention rate, can be recycled, increases yield resulted from a reaction, and is easily processed into various forms...
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JP5110537B2 |
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JP5107267B2 |
A process for preparing substituted biphenyls of the formula I in which the substituents are defined as follows: X is fluorine or chlorine; R1 is nitro, amino or NHR3; R2 is cyano, nitro, halogen, C1-C6-alkyl, C1-C-6-alkenyl, C1-C6-alkyn...
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JP5099563B2 |
This application discloses provides a process for the introduction of nitro-group functionality into a compound which contains also a site of unsaturation and/or oxygen functionality by direct (one step) oxidation of an oxime functional ...
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JP5103647B2 |
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JP5089634B2 |
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JP5087276B2 |
This invention relates to an apparatus, comprising: at least one process microchannel having a height, width and length, the height being up to about 10 mm, the process microchannel having a base wall extending in one direction along the...
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JP5092443B2 |
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JP5071796B2 |
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JP5072679B2 |
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JP5072026B2 |
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JP2012528114A |
A process for the production of 2-alkyl-3-aroyl-5-nitrobenzofurans by acylation of 2-(2-hydroxy-5-nitrophenyl)-1-aryl-ethanones and subsequent treatment of the esters with combinations of bases and proton acids or Lewis acids. This proce...
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JP5067767B2 |
A continuous, semi-continuous or fed-batch mixing apparatus and process for producing and maintaining a consistently mixed substance uses a tubular vessel equipped with a plurality of annular baffles configured to initiate and maintain u...
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JP5058288B2 |
To provide a method for producing an olefin group-substituted aromatic compound by which the catalyst used can be easily separated and recovered. What is provided is a method for producing an olefin group-substituted aromatic compound (3...
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JP5047416B2 |
The adsorbent contains a small proportion of an inert binder and has cationic sites occupied by barium ions alone or barium and potassium ions. The zeolitization of the binder improves the adsorbency of the product. The agglomerated zeol...
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JP5047427B2 |
Substituted benzoyl chlorides are obtained by treating the corresponding benzaldehyde with a chlorinating agent in presence of a radical initiator and a solvent at -20 to +200[deg]C. Substituted benzoyl chlorides of formula (I) are obtai...
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JP5042434B2 |
A process produces an organic compound by allowing (A) a compound capable of generating a free radical to react with (B) at least one of esters and salts of nitrous acid in the presence of a nitrogen-containing cyclic compound constituti...
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JP2012171903A |
To provide an industrially advantageous method for producing 2-(substituted) phenylnitrobenzene which is useful as an intermediate of medicines/pesticides or the like.In this method for producing 2-(substituted) phenylnitrobenzene, 2-chl...
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JP2012520341A |
Preparing aryl-heteroatom bridged compound, in which the aryl residue is bonded directly to a heteroatom, which is a part of a heteroatom-containing organic residue, comprises reacting a halo-substituted aromatic compound with a trialkyl...
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JP5016621B2 |
Disclosed is a novel process and novel intermediates to prepare [R-(R*,R*)]-N-[3-[1-[5,6-dihydro-4-hydroxy-2-oxo-6-(2-phenyl
ethyl)-6-propyl-2H-pyran-3-yl]propyl]phenyl]-5-(trifluoromet
hyl)-2-pyridinesulfonamide (XIX) which is a proteas...
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JP2012519723A |
The present invention relates to a process for preparing substituted 2-nitrobiphenyls and to specific 2-nitrobiphenyls. The invention further relates to a process for preparing 2-aminobiphenyls from such 2-nitrobiphenyls and to a process...
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JP5006059B2 |
The present invention provides a novel chiral iridium aqua complex used for asymmetric transfer hydrogenation. The present invention relates to chiral iridium aqua complex represented by the formula (1): wherein R 1 and R 2 are the same ...
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