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JP4017405B2 |
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JP4014138B2 |
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JP4013772B2 |
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JP2007277243A |
To provide a novel method for preparing an oxazolidinone antibacterial agent. The novel method for preparing an oxazolidinone antibacterial agent, linezolid, comprises reacting an (S)-1-chloro-3-(benzylidenylamino)-propan-2-ol with a mor...
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JP3997261B2 |
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JP2007528296A |
Catalysts useful for oxidation reactions are disclosed. The catalysts comprise a titanium zeolite, a transition metal, and a polymer, wherein at least one of the titanium zeolite or transition metal is encapsulated within a thin layer of...
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JP3990453B2 |
Aromatic azomethines are produced by continuous reaction of an aniline with a formaldehyde source, with continuous evaporation to remove residual water of reaction. The azomethine product may be further reacted, either continuously or in...
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JP3975731B2 |
A method of production of a homopolymer or copolymer or homo-oligomer or co-oligomer product characterised in that the product is obtained by condensation reaction of a diaminoanthracene, substituted or not, optionally with a diiminoanth...
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JP3975269B2 |
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JP3968983B2 |
To provide 2-aminocyclododecadienone oxime useful as a raw material for 12-nylon and the like. The objective 2-aminocyclododecadienone oxime is obtained, for example, by reaction of a 2-halocyclododecadienone oxime with ammonia.
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JP2007210949A |
To provide a hydrazone derivative useful for charge transport materials and the like, excellent in compatibility with a binder resin, having good sensitivity and keeping predetermined sensitivity for a long time, and to provide a method ...
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JP3962872B2 |
To continuously and stably produce ketazine with industrial simplicity in high yield, as unreacting ketone is recovered and the accumulation of impurities is suppressed. This objective ketazine is obtained by reaction between 1 mole of h...
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JP2007203207A |
To provide a sparger which makes catalyst particles difficult to enter it when used in a reaction by suspending the catalyst particles and is capable of easily expelling them even if they enter, a reactor using the same, and a method for...
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JP3952787B2 |
To provide a method for producing a cycloalkanone oxime from a 2-halogenocycloalkanone oxime compound through one step in a high yield, by solving the corrosion of a device, the deterioration of a catalyst or the like, with improved cata...
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JP2007182443A |
To provide a further new precursor, especially the precursor of a WN (tungsten nitride) layer having no conventional disadvantage or bringing about a marked improvement over at least the well-known precursor.A compound is represented by ...
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JP3946789B2 |
To obtain the subject compound in a high purity and in a good yield, including a new compound useful as a raw material of an insecticide by performing a catalytic hydrogenation of an α-hydroxy ketoxime in a specific method. This method ...
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JP2007176952A |
To provide 2-amino-2-arylehanols and novel intermediates.In a process for preparation of the 2-amino-2-arylethanols, a compound of formula (II)(wherein Ar is an unsubstituted or substituted aryl) is catalytically hydrogenated using Raney...
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JP2007169218A |
To produce N,N,N',N'-tetrakis(4-aminophenyl)-para-phenylenediamine compound in a large scale.This method for producing the polyaniline compound includes a process for reducing the nitro groups of a compound of the general formula (II) (R...
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JP3938049B2 |
The present invention relates to a process for preparing 2-halogenocycloalkanone oxime which comprises subjecting a 2-halogenocycloalkenone oxime compound to reduction with hydrogen in the presence of a platinum-carried catalyst.
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JP3937489B2 |
To simply produce a propargylamine compound useful as an intermedite for medicines and agrochemicals without forming di- and tripropargylamine compounds by reacting a propargyl compound with an aromatic aldehyde and ammonia and then hydr...
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JP3934047B2 |
Processes for the preparation of pyrrolidones and pyrrolidines from tri-O-acetyl-D- erythro -4-pentulosonic acid esters are described. The compounds are aza sugar analogs of D-ribofuranoside and are intermediates to drugs which regulate ...
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JP3921703B2 |
To produce an optically active substance of the subject compound by reacting an optically active substance of an α-phenylalkylamine with an α-phenyl alkyl ketone, and the racemic substance by reacting the obtained optically active subs...
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JP2007126464A |
To provide a process for preparing compounds which are aza sugar analogs of D-ribofuranoside and are useful as intermediates to drugs which regulate nucleoside and nucleic acid synthesis.Tri-O-acetyl-D-erythro-4-pentulosonic acid esters ...
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JP3915063B2 |
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JP2007106773A |
To minimize the reaction or residence time of materials in an azomethine production step.The process for the production of an aromatic azomethine by reaction of an aniline with formaldehyde, in which the formaldehyde is provided in the f...
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JP2007091949A |
To provide a method for producing an azomethine dye in a high yield under mild conditions without using any complicated operation.What is disclosed is a method for producing a compound represented by formula (I) comprising reacting a com...
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JP3902677B2 |
To provide a method for controlling insect and acarid pests to protect crops from their damages and loss caused by the pests by bringing the insect or acarid pests, their habitats, etc., into contact with a specific compound. This method...
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JP3899335B2 |
To provide a method for selectively oxidizing an organic compound. This integrated oxidation method comprises processes I and II, wherein the process I comprises producing hydrogen peroxide from hydrogen and oxygen in the presence of a s...
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JP3896774B2 |
To provide an asymmetric synthesis catalyst having higher activity in order to obtain optically active compounds useful as a synthetic intermediate for medicines, agrochemicals and the like. The objective compound is a bisisoxazoline der...
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JP2007503416A |
There are described compounds of formula (I) wherein X1 and X2 are each independently of the other fluorine, chlorine or bromine; A1 and A2 are, for example, a bond or a C1-C6alkylene bridge; A3 is a C1-C6alkylene bridge; R1 and R2 are, ...
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JP2007502312A |
The invention relates to novel difluoromethylbenzanilides of formula (I), wherein R<1>, R<2>, R<3>, R<4>, R<5> and Z have the meanings cited in the description. The invention also relates to several methods for the production of said sub...
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JP2007502317A |
Process for construction of a carbon-heteroatom bond by reaction of an unsaturated compound substituted with a parting group and a nucleophilic compound containing a heteroatom capable of substituting for the leaving group. The reaction ...
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JP2007001986A |
To provide a new method for producing 2-methylcysteine at a rational cost as a precursor for desferrithiocin and related compound exhibiting advantage for the iron chelating therapy of an examinee affected by ion overload owing to the me...
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JP3865558B2 |
To provide a method for producing an optically active perfluoroalkyl carbinol derivative which is a precursor for an optically active 3- perfluoroalkyl-3-hydroxypropionic acid derivative useful as an important intermediate for functional...
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JP3864763B2 |
To provide a new 3-halo-2-hydrazono-1-hydroxyiminopropane derivative useful as medical and agrochemical intermediates and to provide a method for producing the derivative. A 3-halo-2-oxo-1-hydroxyiminopropane derivative represented by fo...
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JP3867309B2 |
To obtain (E)-2',4'-dichloroacetophenone oxime by allowing (Z)-isomer of 2',4'-dichloroacetophenone oxime or a mixture thereof with (E)-isomer to react with an acid in a specific solvent. An acid, for example, a Br&phiv nsted acid is all...
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JP2006528164A |
The present invention provides optionally substituted compounds of the formula I or salts thereof; wherein R1 is O or S when double bonded to the ring or is OH, SH, or a protected equivalent, when single bonded to the ring, R2 is hydroge...
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JP2006528167A |
The invention is directed to a process for the preparation of [4(S,R)-(3,4-dichlorophenyl)-3,4-dihydro-1(2H)-naphthalene-1
-ylidene]-methyl-amine of the Formula (I) by reacting 4-(3,4-dichlorophenyl)-3,4-dihydro-1(2H)naphthalene-l-one of...
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JP3855686B2 |
To obtain a novel 3,3-dialkoxy-2-hydroxyimino derivative and to provide a method for producing the same. The novel 3,3-dialkoxy-2-hydroxyimino derivative is represented by formula (1) (wherein R1 and R2 may be identical or different from...
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JP3854442B2 |
To produce a highly selective oxidation catalyst capable of highly selectively obtaining a target compound with a high yield at a low cost under a moderate condition. A catalyst for oxidation reactions is used, which comprises a transiti...
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JP3850838B2 |
A process for the preparation of Compound (I) comprising reacting Compound (II) with a base in an aprotic solvent, which is represented by the following scheme: wherein R<1> and R<2> are each independently lower alkyl.
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JP3851992B2 |
To provide a new production process of an asymmetric azine which is useful as an organic electronic material and a nematic liquid crystal material in high yield with reduced formation of by-products such as symmetric azines by adding an ...
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JP3839078B2 |
PURPOSE: To obtain a new acetaldehyde derivative useful for producing 2,2- dimethoxy ethylamine. CONSTITUTION: This compound is shown by formula I (R and R' are each a 1-4C alkyl radical, a 3-5C alkenyl radical or a group of formula II (...
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JP2006523671A |
Alpha substituted carboxylic acids of formula (I): wherein R' and R2 are as defined in the specification and R3 is A) formula (II); B) formula (III); C) formula (IV); and D) formula (V); wherein Y, Art, Are, AP, R4, R5, R6, R7, R6, R9, R...
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JP2006521373A |
The invention relates to a process for the preparation of an alpha-amino carbonyl compound by reacting an imine starting material with a suitable electrophile in the presence of a base. This process has the advantage that the imine start...
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JP2006241040A |
To provide a substituted difluoroacetic acid at a high yield which acid perfectly keeps three dimension of a raw material carboxylic acid derivative, without using any agent having high corrosivity or nasty smell as a reaction agent but ...
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JP2006508165A |
Bis-aryl diamidoxime compounds, such as 2,5-bis [4-hydroxy and 4-O-alkylamidinophenyl] furans, can be prepared from 2,5-bis tri-alkylstannanes via a one step palladium-catalyzed cross reaction. Bis-aryl diamidoxime compounds, such as 2,5...
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JP2006506424A |
Process for the preparation of an enantiomerically enriched Schiff base wherein an amine is contacted with a carbonyl compound wherein the amine and/or the carbonyl compound is a chiral compound, to form a mixture of the enantiomers of t...
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JP2006052163A |
To provide a method for producing an oxime by which the average chlorocyclohexane concentration in a photochemical reaction vessel can be diluted without changing the feed rate of cyclohexane to suppress the formation of chlorocaprolacta...
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JP2006505606A |
A process for interconverting a mixture of cis-trans isomers of a compound of formula I into the substantially pure cis isomer.Cis isomers of formula I are useful intermediates in the synthesis of cis isomers of benzamide piperidine comp...
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