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JP4430943B2 |
The invention relates to a method for producing 2-chloromethylphenyl acetic acid derivatives of formula (I), in which X represents C1-C4 alkoxy or methylamino, by cleaving the ether bonds in compounds of formula (II), in which R represen...
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JP4425524B2 |
The invention relates to a purification method of cyclohexanone-oxime in a solution of solvents immiscible with water, which consists in washing said solutions with water or with an aqueous solution of a base having a pK <5 or in passing...
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JP4422338B2 |
The invention concerns a method for preparing methyl ethyl ketone azine which consists in: (a) reacting ammonia, hydrogen peroxide and methyl ethyl ketone in the presence of a working solution to form an azine; (b) separating the working...
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JP4419761B2 |
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JP2010037212A |
To provide an industrially advantageous method for producing an asymmetric azine compound of high purity, with a simple operation.The asymmetric azine compound (I) of high purity is obtained by a process comprising washing a mixture of a...
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JP4416945B2 |
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JP4414331B2 |
Non-natural amino acids such as 2-alkylated amino acids allow for the synthesis of a wider variety of peptidal and non-peptidal pharmaceutically active agents. A method of preparing a 2-alkyl amino acid involves a Michael-type addition o...
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JP4406606B2 |
In a process for concentrating an at least partially crystalline solid containing at least one zeolite in a mixture comprising at least one auxiliary, for example a template compound, and said solid, the mixture is ultrafiltrated in a st...
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JP4397027B2 |
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JP4391013B2 |
The invention relates to a process for the preparation of cyclododecanone oxide consists in photochemically reacting cyclododecane, dissolved in chloroform, a nitrosating agent and hydrogen chloride in a virtually anhydrous medium, that ...
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JP2009292726A |
To provide a method for commercially advantageously producing a hydrazone compound useful as an intermediate for producing medicines.L-rhamnose diethylmercaptal is reacted with hydrogen peroxide in the presence of tungstic acid and phosp...
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JP2009292719A |
To provide a method for concentrating an at least partially crystalline solid containing at least one zeolite in a mixture comprising at least one auxiliary, for example a template compound, and the solid.The production method comprises:...
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JP4374421B2 |
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JP2009263361A |
To provide a 2-hydroxyethoxyimide compound and a novel method for producing 2-hydroxyethoxyimine compound.Provided is a method for producing an N-(2-hydroxyethoxy) compound expressed by formulas (3), (5) or (6), which comprises reacting ...
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JP4360096B2 |
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JP4354113B2 |
A phenylenediamine compound can be converted, with high selectivity, into its corresponding quinonediimine by reacting the phenylenediamine with a hypochlorite oxidation reactant.
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JP4355206B2 |
A process is described for the activation of zeolitic catalysts containing titanium having the formula: xTiO2(1-x)SiO2 wherein x ranges from 0.0001 to 0.4, which consists in treating said materials with a solution of an ammonium salt of ...
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JP4351689B2 |
Prepn. of N,N'-disubstd. p-quinonediimines of formula (I) by oxidising the corresp. N,N'-phenylenediamines in an alkali/alcoholic soln. (esp. using O2 opt. in admixt. with N2) is claimed, as are also the use of (I) to stabilise (meth)ary...
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JP4338478B2 |
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JP4336046B2 |
The present invention relates to a method for the production of trion-bis(oxime ether) derivatives of formula (I), wherein the substituents have the following meaning: R1, R3 represent unsubstituted, partially or totally halogenated C1-C...
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JP2009534345A |
The present invention relates to a method for the reliable and reproducible preparation of 4-[17ß-methoxy-17a-methoxymethyl-3-oxoestra-4,9-dien-llß- yl]benzaldehyde (E)-oxime (asoprisnil) on the pilot and manufacturing scale. Asoprisni...
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JP2009532433A |
Preparation of organometallic compound (II) comprises reacting an organic compound (III) with a metal (M 3>)-containing compound in the presence of a lithium compound (IV) and a metal (M 2>). Preparation of organometallic compound (II) o...
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JP4318547B2 |
The invention relates to a process for preparing nitric acid by treating an aqueous medium containing organic compounds and phosphate, said process comprising: feeding the aqueous medium to a nitric acid synthesis zone; forming nitric ac...
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JP4314350B2 |
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JP4308155B2 |
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JP4306796B2 |
PCT No. PCT/EP95/04580 Sec. 371 Date May 20, 1997 Sec. 102(e) Date May 20, 1997 PCT Filed Nov. 21, 1995 PCT Pub. No. WO96/16932 PCT Pub. Date Jun. 6, 1996A process for preparing oxime ethers of the general formula I I where R1 is a C-org...
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JP4296783B2 |
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JP4287703B2 |
The present invention relates to a process for producing an optically active 1-alkyl-substituted 2,2,2-trifluoroethylamine, which is an important intermediate of medicines and agricultural chemicals, and which is represented by the formu...
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JP2009137890A |
To provide a new method for producing a 4-(dioxazin-3-yl)sulfamoylpyrazole compound, and to provide an intermediate thereof.The method for producing the 4-(dioxazin-3-yl)sulfamoylpyrazole compound represented by the formula (1) (wherein,...
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JP2009137880A |
To provide a method for easily producing an organic compound having a nitrogen atom such as an oxime, etc., from an inexpensive raw material under a mild condition.By using a nitrogen atom-containing compound having a specific structure ...
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JP4285980B2 |
Preparation of an oxime comprises ammoxidation of a ketone or an aldehyde in a system of one aqueous phase and one inert hydrocarbon phase in the presence of a catalyst system comprising (i) a heterogeneous catalyst based on titanium, si...
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JP4282822B2 |
A method is described for improving the catalytic performances of titanium silicalite having formula I: wherein x ranges from 0.0001 to 0.04 by the activation of the catalyst (I) in an aqueous medium with hydrogen peroxide, in the presen...
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JP4278301B2 |
The present invention relates to:a) methylbiphenyl derivatives of general formula:in which R1 represents OH, C3-C7 alkyl or C3-C7 cycloalkyl, these compounds being in the form of individual isomers or mixtures thereof,b) their preparatio...
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JP4270823B2 |
Process for working up a reaction mixture formed by ammoxidation of a ketone with hydrogen peroxide and ammonia using a titanium-containing catalyst in homogeneous solution comprises separation of the catalyst; selective separation of th...
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JP4271369B2 |
A phenylenediamine compound can be converted, with high selectivity, into its corresponding quinonediimine by reacting the phenylenediamine with oxygen in the presence of a modified activated carbon catalyst in an aqueous system.
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JP4267815B2 |
A phenylenediamine compound can be converted, with high selectivity, into its corresponding quinonediimine by reacting the phenylenediamine with hydrogen peroxide in the presence of a catalyst.
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JP2009514827A |
The invention is concerned with new phosphine ligands of the formula I wherein R1 and R2 are independently of each other alkyl, aryl, cycloalkyl or heteroaryl, said alkyl, aryl, cycloalkyl or heteroaryl may be substituted by alkyl, alkox...
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JP4252788B2 |
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JP4252703B2 |
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JP4243933B2 |
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JP4238493B2 |
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JP2009509990A |
The invention related to a novel process, novel process steps and novel intermediates useful in the synthesis of pharmaceutically active compounds, especially renin inhibitors, such as Aliskiren. Inter alia, the invention relates to a pr...
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JP4223694B2 |
A method is provided for evaporating cyclohexanone oxime in which cyclohexanone oxime is evaporated using a falling-film evaporator with wetting the evaporation surface of the evaporator well with the cyclohexanone oxime at a pressure of...
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JP2009029753A |
To efficiently synthesize phenylazomethine (DPA) dendrimers by a simple process even when they have a large generation number and make it easy to change a terminal substituent group.A core amine-imine molecular skeleton is formed by imin...
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JP2009503247A |
The present invention provides metal-containing compounds that include at least one β-diketiminate ligand, and methods of making and using the same. In certain embodiments, the metal-containing compounds include at least one β-diketimi...
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JP4216042B2 |
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JP4208174B2 |
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JP4208574B2 |
Disclosed is a method for producing a cyclic aliphatic oxime, which comprises subjecting a cyclic aliphatic primary amine to oxidation in the liquid phase under superatmospheric pressure in the presence of molecular oxygen and a solid ca...
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JP4201497B2 |
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JP2008545617A |
Substituted 1,1,1-trifluoro-3-[(benzyl)-(pyrimidin-2-yl)-amino]-propan-2
-ol compounds, pharmaceutical compositions containing such compounds and the use of such compounds to elevate certain plasma lipid levels, including high density li...
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