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WO/1995/021153A1 |
Phenyl acetic acid derivatives of formula (I) in which the components and index have the following meanings: X is NOCH3, CHOCH3 CHCH3 and CHCH2CH3; R1 is hydrogen and alkyl; R2 is cyano, nitro, trifluoro methyl, halogen, alkyl and alkoxy...
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WO/1995/020569A1 |
Process for the preparation of 2-methoxyimino-2-arylacetic esters of formula (I) in which R is C1-C12alkyl, which comprises reacting an appropriately substituted boronic acid of general formula (II) or the trimeric form (III) herein, whi...
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WO/1995/011226A1 |
A substituted benzene derivative of formula (I), wherein A is an aryloxy group which may be substituted, an arylthio group which may be substituted or -ON=C(R1)R2, each of R1 and R2 which are independent of each other is an alkyl group w...
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WO/1995/006029A1 |
Described are improved phase-transfer catalyzed processes for the higher-yield enantioselective synthesis of precursors for alpha-alkyl amino acids. The alpha-alkylation of N-blocked amino acid esters is carried out with alkyl chlorides ...
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WO/1995/002576A1 |
Process for the preparation of N-carbonylarylimines of general formula (I) by desulphonating a sulphone of general formula (II). The N-carbonylarylimines of general formula (I) are particularly useful for the preparation of therapeutical...
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WO/1995/001957A1 |
An improved process for oximation of carbonyl compounds, such as ketones and aldehydes by oximation with hydroxylamine including oximation processes carried out in the presence of a catalytic amount of a phase transfer catalyst comprised...
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WO/1995/001952A1 |
A process for synthesizing O-substituted oxime compounds, which includes (a) reacting an alkali metal or alkaline earth metal hydroxide compound and a solution of an oxime compound to form a first mixture including the alkali metal or al...
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WO/1995/001328A1 |
A process for producing a carboxylic acid derivative represented by general formula [VIII], (wherein R1, R2, R3 and L are each as defined in the specification), which comprises reacting a benzyl halide with a cyano compound to give a phe...
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WO/1994/012277A1 |
The invention concerns new oxidation catalysts, methods of producing them and their use. These catalysts consist of titanium silicalites crystallized in situ on to activated charcoal or metal oxides. The titanium silicalite content lies ...
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WO/1994/010249A1 |
A process of preparing a quinacridone of formula (VII), wherein X is methyl, chloro or fluoro, and n is 0, 1 or 2, which comprises : (a) treating a dialkylsuccinate of formula (II), wherein R is alkyl of 1 to 3 carbons atoms, with at lea...
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WO/1994/008948A2 |
A process for the preparation of a compound of formula (I), wherein Y is O, S(O)n (wherein n is 0, 1 or 2) or NR5; W is CH3O.CH=C.CO2CH3, CH3O.CH=C.CONR6R7, CH3O.N=C.CO2CH3 or CH3O.N=C.CONR6R7; R1 is hydrogen, C1-4 alkyl, C1-4 haloalkyl ...
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WO/1994/004489A1 |
Cyclohexenonoxime ethers have formula (I) in which the substituents have the following meaning: R1 stands for alkyl; R2 for alkyl, halogen alkyl, alkenyl, halogen alkenyl, alkinyl or halogen alkinyl; -A1-O-N=CH-Ph or A2-W, in which A1 st...
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WO/1993/025519A1 |
The invention concerns copolymerizable oxime ethers of generale formula (I), in which A is a bivalent link group; R?1¿ is a hydrogen atom or a C¿1? to C¿4? alkyl group; and R?2¿ and R?3¿, independently of each other, may be a hydrog...
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WO/1993/019041A1 |
An improved process for oximation of carbonyl compounds, such as ketones and aldehydes by oximation with hydroxylamine including oximation processes carried out in the presence of a catalytic amount of an acid phase transfer catalyst, su...
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WO/1993/019033A1 |
Processes for preparing 2-substituted benzaldehydes of general formula (I), wherein: R1 is CH2CH2-(L1)p-(CH2)q-(L2)r-CH2-(T)s-Z; L1 and L2 are independently CH2CH2, CH=CH or C=C; q is 0 to 8; p, r and s are independently 0 or 1; T is O, ...
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WO/1993/014053A1 |
Novel 4-substituted acetophenone anils and methods for preparing 1,3,5-tris(4'-hydroxyphenyl)benzenes from 4-substituted acetophenones such as 4-hydroxyacetophenones or, from substituted 4-hydroxyacetophenone-anils such as 4-hydroxyaceto...
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WO/1993/010097A1 |
A few nitro compound of formula (I), wherein R?1¿ and R?2¿ are each lower alkyl or lower alkoxy(lower)-alkyl, or (a) is cyclized to form (b), X is -O-, -S- or -NH-, m is an integer 0 or 1, and R?3¿ is carbamoyl, lower alkylcarbamoyl, ...
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WO/1993/008159A1 |
The invention relates to a process for the preparation of a ketoxime by reaction of an aminoalkane with a peroxide under the influence of a catalyst on the basis of a transition metal, characterized in that the catalyst contains a metal-...
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WO/1993/008160A1 |
The invention relates to a process for the preparation of a ketoxime by reaction of an alkanone with ammonia and a peroxide under the influence of a catalyst on the basis of a transition metal, characterized in that the catalyst contains...
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WO/1993/008153A1 |
Cyclohexenone derivates have the formula (I), in which R?1¿ stands for alkyl, alkenyl, alkinyl, cycloalkyl, aloxyalkyl, alkylthioalkyl, possibly substituted phenyl, possibly substituted benzyl, possibly substituted 5-/6-membered heteroa...
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WO/1993/007116A1 |
Fungicidal compounds having formula (I), wherein W is CH3O.CH=CCO2CH3, CH3ON=CCONR3R4 or CH3ON=CCO2CH3 and stereoisomers thereof; n is 0 or 1; X is oxygen or sulphur; Z is oxygen, sulphur or NR1; R1 is hydrogen or alkyl optionally substi...
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WO/1993/004037A1 |
The invention relates to novel ketoxime carbonates and a process for the synthesis of ketoxime carbonates generally. Ketoxime carbonates are useful in a variety of applications. They may be used for example as pesticides, pharmaceuticals...
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WO/1992/021649A1 |
A process of preparing the compound of formula (I) which comprises reacting butyryl chloride with the compound of formula (III), in the presence of a Friedel-Crafts catalyst, in an inert diluent.
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WO/1992/017441A1 |
A formaldehyde reactant is provided to a chemical process or reaction, in the form of a formaldehyde-alcohol complex, by contacting paraformaldehyde with from about 0.25 to about 3 mole equivalents of an aliphatic alcohol in the presence...
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WO/1992/016499A1 |
The present invention relates to the synthesis of 2,2-dimethyl-3-(vinyl-2,2-bi-substituted) cyclopropanocarboxylic acids. Said acids are present in the majority of natural pyrethrines and in synthetic pyrethroids. These acids are obtaine...
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WO/1992/007817A1 |
Process for producing aliphatic imines and/or amines from aliphatic monohydric alcohols, such as higher molecular weight oxo alcohols, including ether alcohols, comprising the steps of dehydrogenating the alcohol to an aldehyde in situ i...
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WO/1991/018867A1 |
Disclosed is an improved process for the preparation of ketoximes, especially ketoximes derived from branched chain ketones, wherein a ketone is reacted with a hydroxylamine salt in the presence of an alkanol and a heterogeneous base und...
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WO/1991/017139A1 |
Schiff bases having formula (I) wherein R?1� signifies CH�3?, C�2?H�5?, R?2� signifies H, CH�3?, R?3� signifies H, C�1-4?-alkyl, R?4�, R?5�, R?6�, R?7� signify H, CH�3?, C�2?H�5?, CH�2?CH�2?CH�3?, CH(C...
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WO/1990/007493A1 |
Novel compounds of formula (I), where X is an aldimino or ketimino group, process for manufacturing them, fungicides containing these compounds as active substances, and the use of these active substances and fungicides to destroy fungi ...
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WO/1990/006913A1 |
The invention concerns the preparation of explosion-proof trimethine salts which are only slightly soluble in water and have the formula (I), in which: R is an aryl or a heteroaryl group, which may contain one or more substituents, and X...
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WO/1990/004584A1 |
The present invention relates to novel hydroximic acid halides, the preparation of the same, pharmaceutical compositions containing the above novel compounds as active ingredients as well as the use of the said compounds in the therapy o...
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WO/1990/000542A1 |
The present invention provides a simple process for the production of anhydrous oxime by the separation of the oxime from an aqueous solution. The process is advantageous because the potential explosive hazards of current processes are e...
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WO/1989/012623A1 |
A process for preparing an aromatic aldoxine, such as benzaldehyde oxime, by reacting the corresponding alpha.alpha-dihalide, such as benzal chloride, with a hydroxylamine salt in the presence of an excess of an aqueous base sufficient t...
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WO/1989/011473A1 |
A novel process for the production of O-substituted oximes is disclosed. The process involves reacting an oxime with an alkali-metal hydroxide optionally in a solvent which forms an azeotrope with water to form a mixture of the alkali me...
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JP2024513598A |
The present invention relates to a new process for preparing chlorobenzaldehyde oximes of general formula (I).
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JP2024004127A |
The present invention provides an oxygen isotope-labeled compound useful as a raw material reagent for an oxygen isotope-labeled α-amino acid equivalent. [Solution] An oxygen isotope-labeled compound represented by formula (1) or formul...
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JP7405967B2 |
The efficient preparation method of a tedizolid intermediate includes the following steps: 1) subjecting 2-fluoro-4-substituted phenylacetic acid to a reaction with a Vilsmeier reagent, and adding a resulting reaction solution to an MX a...
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JP2023548842A |
Catalysts suitable for producing organic amines by means of catalytic amination, their preparation and their uses are disclosed. The catalyst contains an inorganic porous carrier containing aluminum and/or silicon, and an active metal co...
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JP2023545399A |
The present invention relates to a process for preparing benzaldehyde oximes of general formula (I) and their use as important precursors for the synthesis of agrochemical and pharmaceutical active substances. [C1]
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JP7370152B2 |
To provide an efficient method for producing α-(alkylidene aminooxy)carboxylic acids that are useful as a raw material for producing an aldehyde scavenger α-(aminooxy)carboxylic acid.By reacting the oxime represented by the formula (1)...
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JP7369700B2 |
The present invention relates to a transition metal complex having a PNNP4 ligand, which is easy to manufacture and handle and is relatively inexpensively available, and a method for manufacturing the same, as well as a method using this...
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JP7350727B2 |
The present invention relates to new classes of odorous oximes and their ketone intermediates (odorants) which are useful as fragrance or flavor materials in particular in providing cassis, catty, tropical, green, coniferous, thuya, flor...
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JP2023539882A |
The present invention relates to a tin-titanium-silicon molecular sieve, a method for its production and its use. The electronic binding energy of the active center of the backbone tin in the tin-titanium-silicon molecular sieve is less ...
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JP7344518B2 |
The purpose of the present invention is to provide: a method for preparing a Vilsmeier reagent, that can be carried out safely, easily, and at a low cost; and a method for producing an aromatic aldehyde or an aromatic ketone, a carboxyli...
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JP2023111911A |
To provide ylide-functionalized phosphane ligands, production thereof, use thereof in transition metal compounds, and use thereof as catalysts in organic reactions.It has now been found that the ylide-functionalized phosphane ligands of ...
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JP7282741B2 |
The invention relates to ylide-functionalized phosphane ligands, the production of same and use in transition metal compounds, as well as the use of same as catalysts in organic reactions.
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JP2023515071A |
The present invention is a lamp (1) for a photochemical reactor: - at least one lamp made of a material having a thermal conductivity of 100 W/mK or more at 20°C and configured to contain a cooling fluid; a support member (2) containing...
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JP2023015325A |
To provide a method for producing high-purity 2-pentanone oxime product, and to provide a purified 2-pentanone oxime product as an anti-skinning agent.A method for producing a 2-pentanone oxime product includes: conveying an input stream...
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JP7200261B2 |
The present invention relates to a scalable process for the making of elagolix, its salts and the process of intermediate compounds.
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JP2022554342A |
The present invention relates to diimine metal complexes of Formula I, methods for their preparation, and uses thereof. The complex can be used as the main catalyst for olefin polymerization to achieve catalytic ethylene polymerization a...
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