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6268525 |
Process for producing optically active chrysanthemic acid
The present invention provides an advantageous method for producing an optically active chrysanthemic acid. Disclosed is a method for producing an optically active chrysanthemic acid whose trans...
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6262298 |
Process for the C-alkylation of malonic esters using phase-transfer agents
The invention relates to a process for the C-alkylation of dialkyl malonates, in which a dialkyl malonate is reacted with an alkyl halide in the presence of potassium carbonate as a hydrogen halide...
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6258975 |
Process for producing optically active 2-hydroxy-4-arylbutyric acid or its ester
Provided is an industrially useful process for producing an optically active 2-hydroxy-4-arylbutyric acid or its ester. An optically active acyloxysuccinic anhydride is reacted with an aromatic...
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6245922 |
Chromophoric photocrosslinking compound
A photoactive compound that is the reaction product of an alkenyl azlactone compound and a nucleophilic aromatic ketone is described. Mer units derived from this compound can be used, for example,...
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6245919 |
Cyclopropylglycine derivatives and agonists for metabotronic L-glutamate receptors
A cyclopropylglycine derivative having the following formula: ##STR1## and an intermediate compound for the synthesis of the cyclopropylglycine derivative are novel compounds. The...
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RE37188 |
Processes for the preparation of cyclopropanecarboxylic acid and derivatives thereof
Disclosed is a process for the preparation of cyclopropanecarboxylic acid by the non-catalytic, oxidation of cyclopropanecarboxaldehyde using molecular oxygen as the oxidant. Also disclosed are...
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6225495 |
Ester compounds
Ester compounds shown by the formula: ##STR1## wherein R 1 represents a hydrogen atom, halogen atom, C 1 -C 3 alkyl group optionally substituted by halogen atom(s), C 2 -C 3 alkenyl group...
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6207854 |
Preparation of 3-amino-3-cyclopropylpropanoate esters
Disclosed a process for preparing substantially enantiomerically pure 3-amino-3-cyclopropylpropanoate esters, i.e., esters of 3-amino-3-cyclopropylpropanoic acid (3-cyclopropylalanine esters or...
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6191306 |
Process for the preparation of cyclopropylglycine
Disclosed is a process for the preparation of cyclopropylglycine by a 5-step process wherein cyclopropanecarboxaldehyde is reacted with an α-aminoalkylaromatic compound to obtain an imine which is...
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6162926 |
Multi-substituted fullerenes and methods for their preparation and characterization
The invention is directed to multiply-substituted fullerene derivatives of novel configurations, and methods for their preparation and use. The methods involve the combinatorial synthesis of a...
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6153650 |
Substituted gamma aminobutyric acids as pharmaceutical agents
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6136887 |
Vinylcyclopropane-(meth)acrylates and their use
The invention relates to vinylcyclopropane derivatives according to the formula ##STR1## in which A is --[--Y--CO--C(CH 2 )R 4 ] m or --C(CH 2 )CO--O--C 1 -4 -alkyl, U and X, independently...
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6130350 |
Process for producing 2-fluorine-1-cyclopropane carboxylic acid derivatives by reductive dehalogenation
Cyclopropanecarboxylic acid derivatives are prepared by reacting halogenocyclopropanecarboxylic acid derivatives with metals in the presence of bases and with or without addition of hydrogen in an...
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6118019 |
3-alkoxypropionic ester derivative
A 3-alkoxypropionic ester derivative, an olefin polymerization solid catalyst component using the same, an olefin polymerization catalyst using the same, and a process for the preparation of a...
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6111130 |
Process for the preparation of trifluoromethyl containing derivatives
The present invention relates to a process for the preparation of trifluoromethylated derivatives of the formula CF 3 CClCHCH 2 OC(O)R, wherein R is unsubstituted or substituted C 1 to C 6...
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6107339 |
Derivative of ester of carboxylic acid, and insecticide and insect proofing agent containing the same
The derivatives of esters of carboxylic acids represented by the general formula I: ##STR1## wherein: R 1 is an alkyl group having a chain or branched chain of 1 to 4 carbon atoms; and R 2 is...
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6100424 |
Process for the preparation of amino acetic acid esters with a tertiary hydrocarbon radical in the α-position
Aminoacetic acid esters of formula I in which R 1 , R 2 and R 3 are identical or different hydrocarbon radicals, or any two of these radicals form a carbon ring with the carbon atom to which they...
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6072074 |
Process for producing 3-propynyl-2-2-dimethylcycloprophane-carboxylic acid and its lower akyl esters
A propynyl compound shown by the formula: ##STR1## wherein R represents a lower alkyl group or a hydrogen atom, is an intermediate for producing 3-Z-(1-propenyl)-2,2-dimethylcyclopropanecarboxylic...
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6049001 |
Fluorine-containing carboxylic acid compounds, methods for their production, and chemical processes utilizing the same
Novel fluorine-containing carboxylic acid compounds of formula (II) are provided that can be reacted together with a base to produce industrially useful 3-(2-chloro-2-fluorovinyl)-2,2-dimethyl...
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6024973 |
Fabric protectant
The present invention provides a fabric protectant having an excellent effect in preventing the hatching of eggs of fabric pest insects. The fabric protectant comprises a paper or paper-like sheet...
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6017957 |
Partial agonists of the strychnine insensitive glycine modulatory site of the N-methyl-D-aspartate receptor complex as neuropsychopharmacological agents
A method is disclosed for the treatment of neuropsychopharmacological disorders which are associated with or result from excessive activation of the N-methyl-D-aspartate receptor complex, which...
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6011169 |
Process for producing optically active cyclopropanecaboxylic acid esters
A process for producing an optically active cyclopropanecarboxylic acid ester which is characterized by reacting a prochiral olefin with a diazoacetic acid ester in the presence of a copper complex...
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5986095 |
Enantioselective preparation of halophenyl alcohols and acylates
A process is described for preparing a compound of the formula or the S-enantiomer thereof, wherein: R is alkyl, aryl, cycloalkyl, aralkyl, or cycloalkylalkyl, R 1 is halogen; R 2 is...
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5955627 |
Process for the preparation of cyclopropylacetylene derivatives
According to the present invention, a process for the preparation of a cyclopropylacetylene derivative represented by the following formula (III): ##STR1## is provided, which comprises reacting a...
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5952521 |
Surfactants and hydrophilic colloid compositions and materials
Surfactants useful as dispersing aids in the preparation of compositions comprising a hydrophilic colloid having hydrophobic particles dispersed therein have the structure ##STR1## wherein M is a...
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5925676 |
Ester compounds pesticidal compositions containing the same and itermediates for synthesis thereof
An ester compound represented by the formula ##STR1## wherein R 1 and R 2 may be the same or different and each represent a C 1 -C 6 alkyl group, or other specified groups, which may be...
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5900492 |
Method of producing optically active cyclopropane derivatives
A method for resolving optically impure 3-oxa-2-oxobicyclo 3.1.0!hexane-1-carboxylic acid esters. A method is provided for producing a 1-alkoxycarbonyl-2-hydroxymethylcyclopropane-1-carboxylic...
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5886212 |
Multifunctional vinyl cyclopropane derivatives
Multifunctional polymerizable vinyl cyclopropane derivatives are described which have at least two vinyl cyclopropane units and are suitable in particular as a constituent of dental materials.
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5869737 |
Process for the preparation of cyclopropane-1, 1-dicarboxylic acid derivatives
A cyclopropane-1,1-dicarboxylic acid compound is prepared by reacting a malonic acid compound and a 1,2-dihalogeno compound with an alcoholate as a condensation agent which is gradually added to a...
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5863931 |
Amidino derivatives and their use as nitric oxide synthase inhibitors
Amidino derivatives of formula (I) and salts, and pharmaceutically acceptable esters and amides thereof, in which: R 1 is a C 1 -6 straight or branched chain alkyl group, a C 2 -6 alkenyl group, a...
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5859283 |
Intermediates to herbicidal 4-substituted isoxazoles
4-Substituted isoxazole derivatives of formula I: ##STR1## wherein R, R 1 , R 2 , Q and n have the meanings defined in the description, which possess valuable herbicidal properties and...
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5840958 |
1S to 1R Epimerizations of pyrethroid intermediates
This invention relates to a process for preparing certain isomers of 2,2-dimethyl-3-(2,2-disubstitutedvinyl)cyclopropanecarboxyli
c acid or derivatives thereof. More specifically it relates to the...
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5780669 |
Selective dehalogenation process
A compound represented by the following formula (1) or (3): ##STR1## is subjected to a catalytic hydrogenolysis reaction in the presence of a base and thus a compound represented by the following...
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5767305 |
Cyclopropyl carboxylic acid esters and uses thereof in imparting, augmenting and enhancing aromas
Described are cyclopropyl carboxylic acid esters defined according to the structure: ##STR1## or the structure: ##STR2## wherein R 1 is cis-3-hexenyl or cyclohexyl methyl and R 2 is one of...
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5710324 |
Inhibitors of nitric oxide biosynthesis
The present invention is directed to a new class of compound which are useful as inhibitors of the biosynthesis of nitric oxide.
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5653990 |
Ester compound, agent for controlling noxious organisms containing the same as active ingredient, and production intermediate thereof
There is provided an ester compound represented by the formula I: ##STR1## wherein R 1 is a methyl group or a hydrogen atom; R 2 is a C 1 -6 haloalkyl group; and R 3 is a pyrethroid acid...
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5626834 |
Snake-controlling agent
A snake-controlling agent contains at least one pyrethroid compound as an active ingredient. It is used for controlling snakes. According to the present invention, the effective controlling of...
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5623087 |
Method for preparation of optically active diarylalanines
A method for preparing a diarylalanine compound is provided. The method includes reacting a diarylaminopropanediol with a reducing agent to form a diarylaminopropanol compound and/or contacting a...
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5616607 |
Hepoxilin analogs
Compounds of the general structure ##STR1## are disclosed, wherein X is O, C n , NH, or S, wherein n is 1, 2, 3 or 4; R1 is OH, CH 3 , CH 2 OH, N 3 or CH 2 N 3 ; R3 is H or CH 3 ; R5 is Y-R2,...
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5578595 |
Cyclopropylacetic acid derivatives
Novel 2-(2,2-difluorocyclopropyl)-acetic acid derivatives of formula I ##STR1## wherein A is oxygen or --NR 1 --, B is C 2 -C 6 alkylene, D is oxygen, sulfur or --O--CH 2 --, E is...
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5565490 |
P-hydroxyaniline derivatives, their preparation and their use
p-Hydroxyaniline derivatives of the formula I ##STR1## where the substituents have the following meanings: R 1 is hydrogen, or unsubstituted or substituted alkyl; R 2 and R 3 independently of...
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5534188 |
Acetylene derivatives, process for producing the same, liquid crystal composition containing the same as an active ingredient, and liquid crystal element using said liquid crystal composition
An acetylene derivative represented by general formula (I): ##STR1## wherein R 1 is saturated or unsaturated alkyl group having 3-20 carbon atoms, R 2 is saturated or unsaturated alkyl group...
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5530022 |
Esters of 2,2-dimethyl-3-(3,3,3-trifluoro-1-propenyl)-cyclopropane carboxylic acid
A compound in all possible stereoisomeric forms and their mixtures of the formula ##STR1## wherein R is selected from the group consisting of ##STR2## having excellent pesticidal, particularly...
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5510509 |
Preparation of esters of cyclopropane-1,1-dicarboxylic acid
Dialkyl cyclopropane-1,1-dicarboxylates are prepared from a dialkyl malonate, a 1,2-dichloroalkane and finely divided potassium carbonate while azeotropically removing the water released by the...
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5504112 |
Pyrethrinoid esters
A compound in all possible stereoisomeric forms and their mixtures of the formula ##STR1## wherein X is selected from the group consisting of hydrogen, --CN, alkyl, alkenyl and alkynyl of up to 4...
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5498750 |
Process for the preparation of 1-fluoro-cyclopropane-1-carboxylic acid
A new process for the preparation of 1-fluoro-cyclopropane-1-carboxylic acid of the formula ##STR1## which process comprises a) reacting in a first step, a 1-fluoro-cyclopropyl phenyl ketone of the...
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5468905 |
Bicyclo[4,1,0]heptane-2,4-dion derivatives, its synthetic intermediates and process for the manufacture thereof
Compounds represented by general formulas (I) and (II), useful as the intermediates for agricultural chemicals, particularly herbicidal compounds, wherein R 1 and R 2 represent each hydrogen,...
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5453464 |
Thermosetting coating compositions
This invention provides the use and preparation of certain 2,2'-diacetyl-bisacetoacetates and bis(beta-ketoesters). These compounds are useful in coating formulations as crosslinkers in conjunction...
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5434267 |
Process for the preparation of substituted 3-alkoxyacrylates
Process for the preparation of compounds of the formula (I) ##STR1## in which R 1 , R 2 , R 3 , X and n have the meaning given in the description, by reacting acetates with carbon monoxide in the...
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5412120 |
Preparation of carboxylic esters
A process for preparing monocarboxylic esters of the general formula I ##STR1## where R 1 and R 2 are each hydrogen, C 1 -C 12 -alkyl, C 3 -C 8 -cyclo-alkyl acyl, aryl or C 7 -C 20 -aralkyl...
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