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WO/2005/009613A1 |
An oxidation catalyst for oxidizing a reaction substrate with molecular oxygen, characterized by comprising at least one member selected from the group consisting of specific hydrazyl radicals (e.g., 2,2-diphenyl-1-picrylhydrazyl) and sp...
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WO/2005/007611A2 |
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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WO/2005/007622A2 |
[PROBLEMS] To provide (1) an optically active quaternary ammonium salt which, when used as an asymmetric-axis-containing spiro type phase-transfer catalyst for the asymmetric alkylation of a glycine derivative, shows high stereoselectivi...
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WO/2004/110977A1 |
A process for producing an optically active, 1-alkyl-substituted 2,2,2-trifluoroethylamine represented by the formula [3] (wherein R represents C1-6 alkyl and * indicates asymmetric carbon) or a salt of the compound. These compounds are ...
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WO/2004/101496A1 |
The invention relates to a method of creating a carbon-heteroatom bond and, preferably, a carbon-nitrogen bond, by reacting a leaving group-bearing unsaturated compound and a nucleophilic compound. In particular, the invention relates to...
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WO/2004/092145A1 |
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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WO/2004/078702A1 |
The invention relates to a process for the preparation of an &agr -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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WO/2004/074236A1 |
A novel imino compound is synthesized by mixing and reacting ascochlorin, its analog or its derivative with a compound having a primary amino group in the presence/absence of a basic catalyst. The novel imino compound thus synthesized is...
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WO/2004/067497A1 |
The invention relates to a process for treating an organic solution comprising cyclohexanone oxime, cyclohexanone and an organic solvent, said process comprising distilling the organic solution such as to obtain (i) a first product compr...
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WO/2004/065302A2 |
This invention relates to a novel crystal form of the 1:1 manganese (III) complex of N,N',N'tris[salicylideneaminoethyl]amine, a process for its preparation and the use thereof.
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WO/2004/054954A1 |
A process for the purification of hydroxyaryl aldehydes and ketones comprising the following steps; 1) adding a mineral acid to a first composition comprising a hydroxyaryl aldehyde or a hydroxyaryl ketone; 2) washing the mixture obtaine...
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WO/2004/054961A1 |
A process for the preparation of substituted halogenated anilines from substituted halogenated 1-chlorobenzenes which comprisesa) reacting a substituted halogenated 1-chlorobenzene selectively with an imine in the presence of a transitio...
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WO/2004/053458A2 |
A process is described for producing one or more substituted iminoamines, in particular β-unsaturated β-iminoamines, in a single reaction comprising reacting one or more primary amines, alkynes, and isonitriles in the presence of a t...
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WO/2004/052780A1 |
The invention relates to a process for mixing a first acidic aqueous solution comprising hydroxylammonium and phosphate with a second acidic aqueous solution comprising nitric acid at a temperature between 20 and 80 °C resulting in a th...
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WO/2004/051217A2 |
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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WO/2004/043908A1 |
A process for interconverting a mixture of cis-trans erythro-threo isomers of a compound of formula I into the substantially pure cis isomer. Cis isomers of formula I are usefull intermediates in the synthesis of cis isomers of benzamide...
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WO/2004/024737A1 |
The invention relates to a method for binding heteroatom-carbon bonds. According to said method, a lithium compound (II) is first generated by reacting aliphatic or aromatic halogen compounds (I) with lithium metal, said compound is then...
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WO/2004/007369A1 |
The invention relates to a method for concentrating an at least partially crystalline solid containing at least one zeolite in a mixture, said mixture containing at least one auxiliary agent, for example a template compound, and the cite...
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WO2003011846B1 |
There is described a process for the preparation of citalopram and of its pharmaceutically acceptable salts, which comprises treating a 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5
-isobenzofurancarbaldoxime, O-substitute...
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WO/2003/101938A1 |
This invention relates to a oxamidination method of carbonyl compounds comprising reacting a liquid-phase reaction system containing carbonyl compounds, ammonia and hydrogen peroxide in the presence of silicon containing catalyst, which ...
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WO/2003/099435A2 |
A vanadium catalyst and a process for cyanating an aldehyde are provided. The vanadium catalyst comprises a Vanadium(V) salen complex. The process comprises reacting the aldehyde with: i) a cyanide source which does not comprise a Si-CN ...
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WO/2003/097582A2 |
Benzonitrites and benzimidates represent important intermediates and starting materials, which are typically not commercially available. The present invention discloses a facile synthesis for 2,4-dihydroxybenzonitrile, and ethers and die...
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WO/2003/097622A2 |
The present invention provides methods of preparing 2-alkylcysteine derivatives, many of which can be performed stereoselectively. The present invention also discloses a method of preparing a class of iron chelating agents related to des...
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WO/2003/095701A1 |
The present invention relates to novel 1,3-diimine copper complexes and the use of 1,3-diimine copper complexes for the deposition of copper on substrates or in or on porous solids in an Atomic Layer Deposition process. This invention al...
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WO/2003/091207A2 |
This invention provides a method of preparing amine stereoisomers, which comprises stereoselectively reducing a sulfinylimine that bears on the sulfmyl group a residue of an alcohol, thiol or amine, or reacting a sulfmylimine stereoisome...
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WO/2003/087032A1 |
Compounds are described, having general formula (I) and their use as acaricides, insecticides and/or fungicides.
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WO/2003/076374A1 |
A process for producing a compound (I) which comprises the step of reacting a compound (II) with a base in an aprotic solvent as shown by the scheme: (II) (I) wherein R1 and R2 each independently represents lower alkyl.
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WO/2003/074462A1 |
A process for the purification of 2-methoxy-5-trifluor-methoxy benzaldehyde oil in which the oil is converted to amine by reaction of a nitroaniline with the oil; the imine is isolated as a solid; and the solid imine is converted back to...
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WO/2003/074491A1 |
A compound of formula (I): F1 Het is a 5− or 6−membered heterocyclic ring containing one to three heteroatoms, each independently selected from oxygen, nitrogen and sulphur, the ring being substituted by groups R4, R5 and R6&semi R1 ...
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WO/2003/074496A1 |
The invention relates to compounds of formula (I), where R1 = R5-O-&num , R5-O-CH2-&num , (a), (b), (c), (d) or (e), T= (f), (g), or (h), several methods for production and use thereof for the prevention of harmful organisms and novel in...
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WO/2003/072538A1 |
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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WO/2003/066578A1 |
A pinene derivative represented by the general formula (I) or a salt thereof; and a process for producing the derivative or salt or a process for producing from the derivative or salt an optionally active 2-(t-butoxycarbonyl)amino-3-hydr...
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WO/2003/057663A1 |
Alpha-diimines are prepared from anilines and alpha-ketals such as tetramethoxypropane in the presence of an acidic catalyst.
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WO/2003/048110A1 |
The invention relates to a process for treating an aqueous medium containing cyclohexanone oxime and cyclohexanone, said process comprising stripping the aqueous medium with steam, wherein said stripping is carried out at a pressure high...
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WO/2003/048037A1 |
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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WO/2003/045899A1 |
A process for producing 4-bromo-2-oxyimino butyric acid, predominantly as the (Z)-isomer of formula (I), wherein R is hydrogen; a linear or branched C¿1-4? alkyl group; a linear or branched C¿1-4? alkyl group substituted by a carboxyli...
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WO/2003/042145A1 |
A process for preparation of cyclopropylethanol which comprises subjecting a 3−cyclopropyl−2,3−epoxypropionic ester to solvolysis, treating the obtained product with an acid to form cyclopropylacetaldehyde, and reducing this aldehy...
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WO/2003/035604A1 |
A process for the preparation of a compound of formula (I): wherein Ar represents an optionally substituted aromatic carbocycle or heterocycle, and R?1¿ and R?2¿ independently represent hydrogen, C¿1-10?alkyl, C(O)C¿1-10?alkyl or opt...
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WO/2003/029189A1 |
A process for producing a compound represented by the formula [IV] which comprises the steps (1) to (3): a step in which a compound represented by the formula [I] is reacted with either a compound represented by the formula [VI] or a mix...
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WO/2003/018531A1 |
A method for the preparation of a compound of formula (VI): in which R¿2? is an optionally substituted C1-C6 alkyl; R¿4? is H, OH, an optionally substituted C1-C6 alkyl or an optionally substituted C1-C6 alkoxy; R¿5? is an optionally ...
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WO/2003/016282A2 |
This invention provides compounds of Formula (I), methods for their preparation and use for preparing compounds of Formula (II) wherein R¿1&quest , R¿2&quest , R¿3&quest , R¿5&quest , R¿6&quest , X and n are as defined in the disclo...
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WO/2003/014065A1 |
The invention relates to a method for producing the (2E)-2-(hydroxyphenyl)-2-(alkoxyimino)-N-methylacetamides of formula (I), wherein R represents C¿1?-C¿6? alkyl which is mono- to trisubstituted by fluorine or not substituted, by reac...
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WO/2003/014066A2 |
The invention relates to a novel method for producing 2-(hydroxyphenyl)-2-(alkoxyimino)-N-methylacetamide derivatives.
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WO/2003/010133A1 |
A process for preparation of cyclohexanone oxime which comprises step (1) of subjecting a starting material selected from the group consisting of cyclohexanol, cyclohexanone, and mixtures of both to amination to thereby obtain cyclohexyl...
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WO/2003/006070A2 |
The present invention relates to improved chelator conjugates of formula (II) with biological targeting molecules, suitable for forming metal complexes with radiometals. The radiometal complexes, especially with the radiometal?99m¿Tc, a...
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WO/2003/002254A1 |
A process is described for the activation of zeolitic catalysts containing titanium having the formula: xTiO¿2?(1-x)SiO¿2? wherein x ranges from 0.0001 to 0.4, which consists in treating said materials with a solution of an ammonium sa...
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WO2001023352A9 |
Disclosed is a process for the oxidation of sulphonamides of formula (I) to N-sulphonyl imines of formula (II) using chromium (IV) dioxide as the oxidant. Also disclosed is a process for the preparation of imines of formula (iii) or comb...
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WO/2002/098842A1 |
The invention concerns a production method which consists in forming a reaction medium containing 2,2,4,4,-tetramethyl-3-pentanone, hydrogen peroxide, ammonia and a zeolitic structure catalyst and allowing the reaction to obtain said oxi...
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WO/2002/096861A2 |
The invention relates to a process for treating an aqueous medium containing (i) phosphate and (ii) cyclohexanone and/or cyclohexanone oxime, said process comprising: feeding the aqueous medium to a stripping zone; passing steam through ...
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WO/2002/096860A1 |
A pharmaceutical intermediate, N-[4-(3,4-dichlorophenyl)-3,4-dihydro-1(2H)-naphthalenyliden
e]methanamine, which can be used in the production of sertraline hydrochloride, is conveniently prepared by reacting 4-(3,4-dichlorophenyl)-3,4-d...
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