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WO2000002887B1 |
One aspect of the present invention relates to novel ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in transition metal-catalyzed carbon-heteroatom and car...
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WO/2000/044706A1 |
A process which comprises converting a $g(a)-amino acid ester into the corresponding imine to thereby protect the amino group of the ester, reacting the imine with a halomethyllithium to form an N-protected $g(a)-amino halomethyl ketone,...
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WO/2000/041998A1 |
Propargylether derivatives of formula (I) including the optical isomers thereof and mixtures of such isomers, wherein R¿1? is hydrogen, alkyl, cycloalkyl or optionally substituted aryl, R¿2? and R¿3? are each independently hydrogen or...
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WO/2000/040529A1 |
The invention relates to the use of compounds of formula (I): wherein X is -C(O)-, -C(S)-, -C=NOH, or -CH(R?7¿)- wherein R?7¿ is hydrogen, hydroxy, C¿1-7?alkoxy, -OR?8¿ or -NR?8¿R?9¿ (wherein R?8¿ is a group -Y?1¿R?10¿ (wherein ...
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WO/2000/040534A1 |
Oximes of formula (IV), wherein each of R¿2?-R¿5? is hydrogen, a halogen, an alkyl or cycloalkyl group having from 1 to 36 carbon atoms, an aryl or alkaryl group having from 1 to 36 carbon atoms, an alkoxy or an aryloxy group having fr...
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WO/2000/034229A1 |
The present invention relates to a novel improved process and intermediates for the process of preparing the oxime intermediates of formula (II) wherein R¿1? is hydrogen, fluoro or chloro, and R¿2? is methyl, ethyl, methoxy, ethoxy, tr...
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WO/2000/032563A1 |
The invention relates to novel substituted oximes, to a method for their production and to their use as fungicides.
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WO/2000/032562A1 |
High purity oximes are prepared from aqueous hydroxylamine and ketones reacted at ambient temperature without addition of impurities such as salts or acids.
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WO/2000/031024A1 |
The invention relates to a method for producing bis(oxim)monoethers of formula (I), wherein the substituents have the following meaning: R?1¿ is an unsubstituted C¿1?-C¿4?-alkyl or a methyl substituted by C¿2?-C¿4?-alkenyl, C¿2?-CÂ...
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WO/2000/031023A1 |
The invention relates to a method for producing alkenyl-substituted bis(oximether) derivatives of formula (I), wherein the substituents have the following meanings: R?1¿ represents unsubstituted C¿1?-C¿4?-alkyl or methyl substituted b...
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WO/2000/026182A1 |
The invention relates to a 2-phenoxyphenylacetic acid derivatives of formula (I), in which the substituents and the index have the following meanings: A represents (Ia), whereby R?1¿ represents halogen, C¿1?-C¿4?-alkyl, C¿1?-C¿4?-al...
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WO/2000/026181A1 |
The invention relates to a method of producing compounds of formula (1), wherein R¿1?, R¿2? and R¿3? are independently hydrogen, halogen, trifluoromethyl or C¿1?-C¿4? alkoxy, characterized in that a compound of formula (2), wherein ...
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WO/2000/018726A1 |
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: R?1¿, R?3¿ represent unsubstituted, partially or totally halogenate...
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WO/2000/017155A1 |
The invention relates to novel pesticidal bis-oxime compounds of formula (I) wherein: a) X is CH, and Y is OCH¿3?, or b) X is N, and Y is OCH¿3?, OC¿2?H¿5? or NHCH¿3?; R¿1? is ethyl or cyclopropyl; R¿2? is hydrogen, methyl or ethy...
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WO/2000/015595A1 |
Ketoximes, processes for their preparation, compositions containing them, and a copper extraction process using the compositions. One process for the preparation of the ketoximes comprises the following steps: A) reacting a phenol with a...
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WO/2000/014054A1 |
The object of the invention consists of novel unsaturated hydroximic acid derivatives, the process for their preparation and as active substance such as compounds containing pharmaceutical compositions. The novel compounds possess valuab...
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WO/2000/012430A1 |
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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WO/2000/007983A1 |
The invention relates to a method for producing vinyl oxime-ethers of general formula (I) by reacting an oxime with an alkine, where R?1¿ and R?2¿ are the same or different and represent alkyl or aryl rests, R?3¿ is hydrogen, an alkyl...
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WO/2000/005199A1 |
The present invention provides a process for the preparation of a wide range of primary arylamines. The arylamines are prepared in two efficient, straightforward transformations: 1) an activated aryl group and an imine group are combined...
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WO/2000/002986A2 |
There is provided a process for producing particles of amine reaction product by means of a carrier having a melting point between 30 °C and 135 °C, optionally followed by a coating step. Processed amine reaction products and finished ...
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WO/1999/067192A2 |
This invention is directed to a process for the solid phase synthesis of aldehyde, ketone, oxime, amine, hydroxamic acid and $g(a),$g(b)-unsaturated carboxylic acid and aldehyde compounds and to polymeric hydroxylamine resin compounds us...
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WO/1999/062868A1 |
A phenylenediamine compound can be converted, with high selectivity, into its corresponding quinonediimine by reacting the phenylenediamine with oxygen and a metal catalyst or a salt thereof.
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WO/1999/059961A1 |
The present invention relates to new non-cyclic analogues of crown ethers (podands), principally di(formylaryl)polyethers, as well as to their hydrazones comprising substituted hydrazines of formula (I) where Ar is substituted phenylen o...
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WO/1999/058509A1 |
The invention relates to a method for producing isoxazolene of the formula (I), where the substituents have the following meanings: R?1¿ is hydrogen, C¿1?-C¿6? alkyl, R?2¿ is C¿1?-C¿6? alkyl, R?3¿, R?4¿, R?5¿ are hydrogen, C¿1?...
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WO/1999/057095A2 |
The invention relates to a process for the preparation of (±)-4-(S,R)- [(3,4-dichlorophenyl) -3,4-dihydro-1(2H) -naphthalene-1-ylidene] -methylamine of Formula (I) by reacting 4-(3,4-dichlorophenyl) -3,4-dihydro-1(2H) -naphthalene-1-one...
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WO1999036395A9 |
A hydroxydiphenylamine compound can be converted to an N-phenylquinoneimine by reacting the hydroxydiphenylamine with oxygen or an oxygen containing gas in the presence of a modified activated carbon catalyst, the catalyst having had sur...
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WO/1999/055686A2 |
4-(3,4-Dichlorophenyl)-3,4-dihydro-2H-naphthalen-1-ylidene-m
ethylamine and related analogs are prepared form $g(a)-tetralone by a facile three-step process. This compound is the required intermediate to prepare sertraline, (1S-cis)-4-(3...
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WO/1999/052860A1 |
A hydroxyphenylamine compound can be converted, with high yield and high selectivity, into its corresponding quinoneimine by reacting the hydroxyphenylamine with a hypochlorite oxidation reactant.
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WO/1999/052859A1 |
A hydroxyphenylamine compound can be converted, with high selectivity, into its corresponding quinoneimine by reacting the hydroxyphenylamine with hydrogen peroxide in the presence of a catalyst.
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WO/1999/051567A1 |
A process for producing an (E)-hydroxyiminoacetamide derivative (II) represented by general formula (II), which is an important intermediate for an agricultural bactericide, characterized by using hydroxylamine sulfate as a reagent for c...
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WO/1999/050231A1 |
A process for efficiently producing an (E)-oxime compound from a dialkyl oxalate and an organomagnesium halide without the need of a complicated separation operation, characterized by: (a) reacting an organomagnesium halide represented b...
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WO/1999/050232A1 |
Compounds of formula (I), wherein: A is a group OCHR¿4? or N=CR¿4?; Y is O or NH; R¿1? is C¿1?-C¿6?-alkyl; R¿2? is C¿1?-C¿6?-alkyl or C¿1?-C¿6?-alkyl substituted by 1 to 5 fluorine atoms; R¿3? is C¿1?-C¿6?-alkyl, C¿1?-C¿6?...
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WO/1999/050273A1 |
Transition metal imine complexes can be prepared by reacting the imine precursors, a carbonyl compound and a primary amine, in the presence of a selected transition metal compound. The complexes may be used as catalysts for olefin polyme...
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WO/1999/046238A1 |
A hydrazide fixed to a resin represented by formula (1): P-Q-CO-NH-NH¿2? wherein P represents a main chain of a polymer constituting the resin and Q represents a hydrocarbon side chain optionally substituted with a substituent which may...
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WO/1999/046239A1 |
An imine fixed to a resin characterized in that it is represented by the following formula: P-Q-N=CH-R wherein P represents a main chain of a polymer constituting the resin, Q represents a hydrocarbon side chain optionally substituted wi...
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WO/1999/043634A2 |
Preparation of oximes starting from cardanol, constituent of cashew nut shell liquid (CNSL); the products resulting from chemical reactions, are applied in solvent extraction process, for the recovery of gallium, rare earths and other me...
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WO/1999/043643A2 |
A method is provided for the transition metal-catalyzed arylation, or vinylation, of hydrazines, hydrazones, and the like. Additionally, the invention provides a conceptually novel strategy, the cornerstone of which is the transition met...
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WO/1999/036394A1 |
This invention relates to a novel improved process for preparation of N-[4-(3,4- dichlorophenyl) -3,4-dihydro-1(2H)- naphthalenylidene]methanamine from 4-(3,4-dichlorophenyl)-3,4-dihydro-1(2H)-naphthalenone and monomethylamine.
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WO/1999/021823A1 |
Intermediates having formulas (A) and (B) wherein B?I¿ is -CH¿2?OH or -CH¿2?OR?P¿, and R?P¿ is an alcohol protecting group; a is 1, 2, or 3; T?I¿ is -OH or (C); Q?I¿ is phenyl, naphthyl or heteroaryl having 1-3 substituents; R?a¿...
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WO/1999/021819A1 |
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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WO/1999/021826A1 |
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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WO/1999/021827A1 |
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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WO/1999/020667A1 |
A novel high-performance polymer which is usable as a polymeric coagulant in centrifugal drying, belt-press drying, or the like and can attain a satisfactory dewatering rate. The polymer is a water-soluble vinyl polymer (A) which contain...
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WO/1999/012892A1 |
The invention relates to substituted alkenoic acids and their derivatives, said substituted alkenoic acids being of formula (I), wherein R?1¿ represents hydroxy, amino, alkoxy, alkylamino, dialkylamino, arylalkoxy or arylalkylamino, R?2...
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WO/1999/003867A1 |
The invention relates to a method for producing monoalkyl metal complexes chelated with bidentate ligands, by reacting a transition-metal compound of general formula M(X)¿k? (I) with a bidentate ligand in a polar protic solvent, in the ...
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WO/1999/003803A2 |
This invention provides a process for preparing aminoarylacetylenes comprising reacting an N-arylmethylidene aminoarylhalide with a terminal acetylene in the presence of a base and a catalyst system comprising a palladium catalyst and a ...
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WO/1999/003808A1 |
A process for making a phenolic ketone involving reacting a metal aryloxide with an aliphatic aldehyde having from at least 2 to about 25 carbon atoms.
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WO/1999/001424A1 |
The invention concerns a method for preparing cyclododecanone oxime which consists in the photochemical reaction of cyclododecanone solubilised in chloroform, a nitrosation agent and hydrogen chloride in a quasi-anhydrous medium, i.e. in...
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WO/1999/001376A1 |
The present invention provides a method and composition regeneration of an aminal that has previously been reacted with a sulfide selected from hydrogen sulfide and mercaptans. The method includes contacting a scavenging mixture which in...
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WO/1998/058903A1 |
The invention relates to new glyoxylic acid amides of general formula (I), in which A, Q, R?1¿, R?2¿ and R?3¿ have the meaning cited in claim 1. The invention also relates to methods for their production and use in the control of para...
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