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4639541 |
Substituted phenylacetic acid iodopropargyl esters, biocidal agents containing same and process for manufacturing same
Substituted phenylactic acid iodopropargyl ester compounds of the general formula: ##STR1## in which R may represent hydrogen, fluorine, chlorine, bromine, iodine, methoxy, 1-imidazolyl or...
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4613681 |
Process for the manufacture of fluorinated alkanols and esters thereof
This invention relates to a process for the preparation of a fluorinated compound of the general formula R F C 2 H 4 OR comprising reacting an iodide of the general formula R F C 2 H 4 I...
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4607053 |
Arylhydroxamates useful as antiallergy agents
Arylhydroxamates are provided having the structure ##STR1## wherein R 1 is hydrogen, lower alkyl, aryl, lower alkenyl, cycloalkenyl, aralkyl, or ##STR2## wherein n is 1 to 4 and X is hydroxy,...
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4604243 |
Arylation of olefins
An olefin, especially an activated olefin, is arylated by reaction with an arylamine, such as an aniline, in an inert polar organic solvent and in the presence of an alkyl nitrite, a hydrogen...
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4604407 |
Hydroxamates
Hydroxamates are provided having the structure ##STR1## wherein R 1 is hydrogen, lower alkyl, aryl, lower alkenyl, cycloalkenyl, aralkyl, or ##STR2## wherein n is 1 to 4 and X is hydroxy, alkoxy,...
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4584318 |
Nematicidal salicylaldehyde derivatives
A method is described for the control of nematodes in agricultural crops which comprises applying to the situs of infestation of a nematicidal composition containing as active ingredient a compound...
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4582855 |
Aromatic and esters of hydroxypropylamines
Novel compounds of the general formula ##STR1## wherein Ar represents a substituted or unsubstituted aromatic or heterocyclic group; W represents alkylene of from 1 to about 10 carbon atoms; and B...
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4581463 |
Nucleophilic substitution process combined with additional reaction steps
Halonitroarylacetic acid esters are prepared by reacting a halonitroaromatic compound with an alpha,alpha-disubstituted acetic acid ester in an inert solvent and in the presence of a base. The...
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4570006 |
Amidine compound, process for producing same and anti-complement agent comprising same
Amidino compounds represented by the formula ##STR1## and pharmaceutically acceptable acid addition salts thereof are novel compounds and are useful as powerful anti-trypsine, anti-plasmin,...
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4567004 |
Process for the preparation of monomethyl-substituted methylene compounds
Monomethyl-substituted methylene compounds are obtained by reacting methylene compounds of the formula ##STR1## in which R 1 and R 2 independently of one another represent --CN, --CO--R 3 , --SO...
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4562280 |
Chloromethylation of deactivated aromatic compounds
The invention is a process for the chloromethylation of an aromatic compound, substituted with an alkyl group and a deactivating moiety, which comprises contacting an aromatic compound, substituted...
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4551264 |
Polyhalogenoaromatic compounds for liquid crystal compositions
New polyhalogenoaromatic compounds of Formula I ##STR1## wherein Y and Z are each independently alkyl, alkoxy or alkanoyl each of 1 to 12 C atoms, --COOR 1 , --O--CO--R 1 , CN, NO 2 , NH 2 or OH; ...
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4532255 |
Amidine compounds and anticomplement agent comprising same
Amidino compounds represented by the formula ##STR1## and pharmaceutically acceptable acid addition salts thereof are novel compounds and are useful as powerful antitrypsine, antiplasmin,...
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4524223 |
Resolution of alcohols using amino acids
A general method of resolution of chiral alcohols is based on the relatively facile chromatographic resolution of their diastereomeric esters with optically active amino acids. The naturally...
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4507491 |
Process for preparing 1-nitrobenzene-2-alkyloxycarbonyl-5-carboxylic acids
To prepare a 1-nitrobenzene-2-alkyloxycarbonyl-5-carboxylic acid, a dialkyl benzene-1,4-dicarboxylate is first nitrated in a customary manner and the dialkyl 1-nitrobenzene-2,5-dicarboxylate...
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4506089 |
Preparation of methyl m-nitrobenzoate
Methyl m-nitrobenzoate is prepared by a process in which an isomer mixture is treated with from 10 to 1000% by weight of water in the presence of from 0.05 to 20% by weight of an emulsifier, the...
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4503276 |
Process for separating nitration isomers of substituted benzene compounds
This invention pertains to a process for separating nitration isomers of 1,3-disubstituted and 1,2,4-trisubstituted benzene compounds. The separated isomers have a variety of uses including...
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4495362 |
Process for preparing alkyl nitroacetates
A process for preparing alkyl nitroacetates by reacting an alkyl phenyl carbonate with a nitroparaffin in a polar aprotic solvent in the presence of a cyanide ion. The process permits a higher...
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4490388 |
Amidine compound and anticomplement agent comprising same
Amidino compounds represented by the formula (I) ##STR1## and pharmaceutically acceptable acid addition salts thereof are novel compounds and are useful as powerful antitrypsine, antiplasmin,...
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4457872 |
2-Hydroxyoxanilic acid derivatives
A novel 2-hydroxyoxanilic acid derivative shown by the following formula ##STR1## or a salt thereof. This compound possesses an immunoregulatory action and is useful as an antiallergic agent, an...
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4440941 |
Aroyl-aminoacids, amides and esters thereof
Compounds of the structure ##STR1## wherein: Q is oxygen, sulfur or imino. X and Y are hydrogen, halogen, hydroxy, alkoxy, trifluoromethyl, nitro, carboxy, cyano, sulfonamido, sulfhydryl, alkyl,...
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4439618 |
Process for the preparation of methyl esters of arylpropionic acids optically active
Optically active methyl esters of arylpropionic acids are prepared by reaction of the corresponding vinylaromatic compounds with carbon monoxide and methyl alcohol in the presence of a palladium...
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4426536 |
Synthesis of phenylacetic acid esters
Esters of phenylacetic acids are prepared in a single step by hydrolysis of 2,2,2-trichloro-1-phenylethanes in inorganic basic media.
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4424394 |
Manufacture of arylacetic acids and their esters
Arylacetic acids and their esters, of the formula Ar(CH 2 -COOR) n (where Ar=aryl, R is H or a hydrocarbon radical, and n is 1 or 2) are manufactured by carbonylation of halomethylaryl compounds...
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4419122 |
Herbicidal 4-trifluoromethyl-3'-oxygen-substituted-4'-substituted diphenyl ethers
The herbicidal 4-trifluoromethyl-3'-oxygen-substituted-4'-substituted diphenyl ethers comprise a class of compounds that are highly effective herbicides.
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4419123 |
Herbicidal 4-trifluoromethyl-3'-carbon-substituted-4'-substituted diphenyl ethers
The herbicidal-4-trifluoromethyl-3'-carbon-substituted-4'-substi
tuted diphenyl ethers comprise a class of compounds that are highly effective herbicides.
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4419124 |
Herbicidal 4-trifluoromethyl-3'-nitrogen-substituted-4'-substituted diphenyl ethers
The herbicidal 4-trifluoromethyl-3'-nitrogen-substituted-4'-substituted diphenyl ethers comprise a class of compounds that are highly effective herbicides.
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4410718 |
Process for forming esters (I)
Carboxylic acid-containing compounds are esterified by reacting at elevated temperatures with organic esters of trichloroacetic acid in the presence of an initiator.
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4405642 |
Method for treatment or prophylaxis of cardiac disorders
A method for the treatment or prophylaxis of cardiac disorders in a mammal, comprising administering to such mammal a short-acting β-blocking compound of the formula: ##STR1## wherein X is an...
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4398035 |
Malonic acids and esters thereof
The invention concerns the novel compounds dialkyl 2-(3-fluoro-4-nitrophenyl)-2-methylmalonate IIIa and dialkyl 2-(3-fluoro-4-aminophenyl)-2-methylmalonate IVa useful as intermediates in an...
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4395565 |
Preparing aromatic urethans
A process for the preparation of aromatic urethans by reaction between aromatic amines and alkyl carbonates, said reaction being carried out in the presence of a catalyst composed of an alcoholate...
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4390721 |
3-Endo-protected hydroxyl-tricyclo[3,2,0,0.sup.2,7 ]heptan-6-ones
A novel 3-endo-protected hydroxyl-tricyclo[3,2,0,0 2 ,7 ]heptan-6-one is described which can be alkylated stereospecifically to give a 5-endo-protected hydroxyl-bicyclo[2,2,1]heptan-2-one which may...
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4387058 |
Carbamic acid derivatives
Novel phenyl and naphthyl esters of 2-(1-oxo-alkoxy)ethyl carbamic acids are prepared. The compounds are useful as pharmacological and agricultural agents.
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4380636 |
Process for forming esters (II)
Carboxylic acid-containing compounds are esterified by reacting at elevated temperatures with an organic ester of trichloroacetic acid and an electrophilic halide in the presence of an initiator.
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4376784 |
Pesticidal fluorinated esters of the pyrethrin or pyrethroid type
The invention concerns novel pesticidal esters of the pyrethrin or pyrethroid type in which the methylene group bonded to the ester carbonyl and/or ester oxygen bears a fluorine substituent. The...
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4374293 |
Indene production from aromatic olefins
Allylbenzene is converted to indene by means of a tungsten-containing catalyst.
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4371547 |
2-Benzylideneglutaraldehydes useful as disinfectants
2-Benzylideneglutaraldehydes of the formula ##STR1## wherein R 1 , R 2 and R 3 independently are hydrogen or a substituent selected from the group consisting of halo, lower-alkyl, phenyl,...
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4368135 |
Anisotropic compounds with negative or positive DC-anisotropy and low optical anisotropy
Anisotropic compounds with negative or positive DCA and Δn≤0.2 have the formula (1) ##STR1## in which R 1 and R 2 l are independently hydrogen, alkyl, alkoxy having 1 to 12 carbon atoms...
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4361494 |
Anisotropic cyclohexyl cyclohexylmethyl ethers
New anisotropic compounds suitable for use in LC-display devices are disclosed and claimed. The new compounds are cyclohexyl cyclohexylmethyl ethers of formula (1): ##STR1## in which X and Y are...
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4360689 |
α-Halobenzyl esters
New α-halobenzyl esters, intermediates for α-cyanobenzyl pyrethroid esters, are prepared by treating a benzaldehyde derivative with a pyrethroid acid halide. The resulting α-halobenzyl ester is...
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4349452 |
Cyclohexylcyclohexanoates
Anisotropic compounds of the formula (1) ##STR1## wherein X and Y are each hydrogen, C 1 -C 12 alkyl, C 1 -C 12 alkoxy, N-monoalkaylamine having 1 to 12 carbon atoms in the alkyl group,...
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4344961 |
Insecticidal benzylfurylmethyl esters of 3-(2,2-dichlorovinyl)-2,2-dimethyl-cyclopropane carboxylic acids
Novel carboxylic acid esters of the formula ##STR1## where R 1 , R 2 and R 3 are identical or different and each is hydrogen, halogen or alkyl or alkenyl of up to 5 carbon atoms, Y is...
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4340765 |
4-Phenoxy-2-butene derivatives as plant growth regulators
4-Phenoxy-2-butene derivatives are disclosed as inhibitors of cytokinin plant growth regulatory activity and as possessing seed germination regulatory properties and senescence delaying activity...
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4336396 |
Process for the preparation of 4-[2-(dimethylamino)-ethoxy]2-methyl-5-(1-methylethyl)-phenol esters and their salts
This invention relates to a process for the preparation of 4-[2-(dimethylamino)-ethoxy]-2-methyl-5-(1-methylethyl)-phen
ol esters (I) and their salts with organic and inorganic acids comprising the...
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4335054 |
Process for the preparation of alkenylbenzenecarboxylic acid derivatives and alkenylnaphthalenecarboxylic acid derivatives
Compounds of the formula I ##STR1## in which p, m, Z, R, R' and Y are as defined in claim 1, can be obtained in a simple and economical manner by a novel process which comprises reacting a halide...
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4335055 |
Process for the preparation of alkenylbenzene derivatives or alkenylnaphthalene derivatives
Compounds of the formula I ##STR1## in which Z, Z 1 , R, m and p are as defined in patent claim 1, can be obtained in a simple and economical manner by a novel process wherein a halide of the...
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4332734 |
3,3-Disubstituted-furandione compounds
New homopolymerizable or copolymerizable 3,3-disubstituted furan dione compounds are described of the formula ##STR1## wherein X is a reactive moiety and Y and R are unreactive moieties.
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4324903 |
Malonic esters
A process for the preparation of new malonic esters of the formula: ##STR1## wherein R is a substituted or unsubstituted C 1 to C 6 alkyl, a substituted or unsubstituted aromatic ring, a...
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4324904 |
Processes for the preparation of hydratropic acids and esters
The invention concerns the novel compounds dialkyl 2-(3-fluoro-4-nitrophenyl)-2-methylmalonate IIIa and dialkyl 2-(3-fluoro-4-aminophenyl)-2-methylmalonate IVa useful as intermediates in an...
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4316046 |
Process for the preparation of aryl carboxylates
A process for the preparation of aryl carboxylates is provided in which an arylmetallo carboxylate is contacted with an aryliodoso carboxylate in liquid medium to form the desired aryl carboxylate....
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