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4704156 |
Method for plant growth regulation
1,2,2-Trihalocyclopropane 1-carboxylic acids and derivatives thereof are useful in regulating the growth and flowering of plants when applied as a foliar spray or as a post emergent or pre-emergent...
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4699922 |
Tetramethylcyclopropanecarboxylates
Pesticidal compositions useful in protecting plants and also in the hygiene field are disclosed. The new tetramethylcyclopropanecarboxylates have the formula ##STR1## where R represents mercapto,...
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4696944 |
Pesticidal cyclopropane carboxylic acid esters, their compositions and use
A compound of formula I ##STR1## in which formula: R a represents hydrogen or a C 1 -C 6 alkyl group, and R c represents a C 1 -C 6 alkyl group; R b represents a phenyl group, optionally...
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4689342 |
Certain insecticidal cyclopropane carboxylic acid derivatives
Novel esters in all possible isomeric forms or a mixture thereof having the formula ##STR1## wherein Y is selected from the group consisting of hydrogen, halogen, --OAlK and ##STR2## AlK is alkyl...
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4683241 |
Phenolic ester derivatives as elastase inhibitors
Phenolic esters of the general formula I ##STR1## are useful for the prevention, management or alleviation of elastase mediated diseases or conditions.
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4681953 |
Process for preparing dihalovinylcyclopropanecarboxylates
Novel syntheses of dihalovinylcyclopropanecarboxylates, including potent insecticides, are described. The processes begin with the reaction between an alkenol and an orthoester to produce a...
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4681593 |
Process and compositions for protecting keratinous material from attack by pests that feed on keratin, and novel esters
The present invention relates to a process for protecting keratinous material by treating it with an ester of the formula ##STR1## wherein R is the radical of an acid of the formula ##STR2## in...
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4673760 |
Process for the preparation of vinylcyclopropanecarboxylic acid derivatives
Disclosed is a process for preparing cis-trans isomer mixtures of 2,2-dimethyl-3(β,β-dichlorovinyl)-cyclopropane-1-carboxyli
c acid esters, having a high cis/trans isomer ratio, wherein a...
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4668702 |
Pesticides
Pesticidal compounds have the formula: ##STR1## wherein D represents hydrogen or a cyano group X represents chlorine or bromine A represents an alkyl group n is 0 or an integer of 1-4 and ...
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4668701 |
Pesticides
A compound of formula I: ##STR1## in which formula: D represents hydrogen or a cyano group; X represents halogen; A represents an alkyl group (typically a C 1 -C 6 alkyl group); n is 0...
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4667050 |
Preparation of pyrethroid precursors
Substituted vinylcyclopropane carboxylates, useful precursors to pyrethroid insecticides, are prepared by noble metal catalyzed addition of 1-methyl-3-buten-2-yl or 4-methyl-3-penten-1-yl...
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4659864 |
Method for racemization of chrysanthemic acid or its ester
An optically active chrysanthemic acid or esters thereof are conveniently racemized with an aluminum bromide compound such as aluminum tribromide. An organic hydroperoxide should always be added to...
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4659372 |
Biocidal 2-aryl-1,3-cyclohexanedione enol ester compounds
2-Aryl-1,3-cyclohexanedione enol ester compounds exhibit outstanding miticidal, mite ovicidal and herbicidal activity.
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4647691 |
Process for preparing ethyl and n-propyl esters of carboxylic acids from methanol, syngas and carboxylic acid using a new catalyst system
Ethyl and n-propyl esters of carboxylic acids are prepared in good yield from methanol, syngas and a carboxylic acid by contacting a mixture of the carboxylic acid, carbon monoxide, hydrogen and...
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4644080 |
Method for racemization of chrysanthemic acid or its ester
The present invention relates to a method for racemization of a chrysanthemic acid or its ester, which comprises contacting the acid or its ester with a boron bromide compound, optionally in the...
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4642372 |
Novel process for preparation of 1-furenyl-2,2-dimethyl-cyclopropane carboxylic acid derivatives
A process for the preparation of cyclopropane carboxylic acid derivatives of the formula ##STR1## wherein Z is selected from the group consisting of --CN, --COOH and --COOR 1 , R 1 is alkyl of 1...
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4638071 |
Cycloalkyl ethers and thioethers of dipeptides
The following dipeptides possess a high order of sweetness: ##STR1## wherein X=O or S; R is alkyl containing 1-3 carbon atoms; R 1 is cycloalkyl, cycloalkenyl, lower alkyl-substituted...
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4633006 |
3-hydroxy-4-alkyloxyphenyl aliphatic carboxylates
Novel 3-hydroxy-4-alkyloxyphenyl aliphatic carboxylate compounds particularly well suited as sweeteners in foodstuff.
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4622418 |
L-aminodicarboxylic acid amides
Amides of α-aminodicarboxylic acids and β-aminoethers are low calorie sweetners.
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4622417 |
L-aminodicarboxylic-(O-cycloalkyl)-L-aminocarboxylate alkyl ester sweeteners
Dipeptides of certain α-amino dicarboxylic acids and etherified hydroxy α-amino-mono-carboxylic acid esters possess a high order of sweetness. These dipeptides have the following formula:...
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4622337 |
2,2-dimethyl-3-(2-halovinyl)cyclopropane carboxlic acid ester pesticides
New insecticides are of formula: ##STR1## wherein R 1 represents hydrogen or a methyl group; R 2 represents hydrogen or a halogeno or lower alkyl group; R 3 represents hydrogen or a halogeno or...
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4619782 |
L-aminodicarboxylic acid gem-diamines
Sweeteners of the formula: ##STR1## and food-acceptable salts thereof, where the substituents are disclosed herein.
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4614816 |
Preparation of carboxylic acids and esters thereof
A carboxylic acid or an ester thereof having at least two carbon atoms more than formic acid is prepared by reacting at elevated temperature e.g. 100° to 250° C. formic acid or a formate ester...
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4611010 |
Halovinylbenzyl esters and their use for controlling pests
Halovinylbenzyl esters of the formula I ##STR1## where R 1 is ##STR2## R 2 is H, CN, lower alkyl, lower alkenyl, lower alkynyl, lower haloalkyl or lower haloalkenyl, R 3 is H, halogen or lower...
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4609673 |
Carboxylic acid derivatives, processes for the preparation thereof and pharmaceutical compositions containing them
The present invention provides carboxylic acid derivatives of the general formula: ##STR1## wherein R is a hydrogen atom, alkyl, a metal cation or an ammonium or alkylammonium ion, R 1 is a...
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4603218 |
Asymmetric synthesis of cyclopropanecarboxylate derivatives using chiral copper complex as catalyst
A chiral copper complex which is produced by the reaction of a chiral copper complex of the formula: ##STR1## wherein R 1 is (a) alkyl group, or (b) aralkyl group; R 2 is (a) 2-alkoxyphenyl...
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4599358 |
Pyrethroids
There are described 3-phenoxy-benzyl or α-cyano-3-phenoxy-benzyl esters of 2,2-dimethyl-cyclopropanecarboxylic acids substituted in position 3 by a dienic polyhalogenated chain, as well as their...
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4596887 |
Process for preparing dihalovinylcyclopropanecarboxylates
A cyclopropanecarboxylate of the formula ##STR1## is prepared by the reaction of a compound of the formula ##STR2## with an alkoxide in an ether type solvent. R 1 , R 2 , and R 4 each...
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4594446 |
2-alkoxyimino-3,3-dialkoxy-butyrates and derivatives
The invention relates to new antimicrobially active 3-cephem compounds, processes for preparing such compounds, new intermediate compounds comprising alkoxyimino dioxy butyric acid derivatives...
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4594355 |
Pesticides
Pesticidal compounds have the formula: ##STR1## wherein D represents hydrogen or a cyano or ethynyl group; B represents hydrogen or an alkyl or alkenyl group; A represents an alkyl group or a...
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4593115 |
Method for producing 1-iodoalkyl acylates
An 1-Iodoalkyl acylate, which is useful as the raw material for esterification of cephalosporins, penicillins, etc. is prepared in a high degree of purity and in high yield by (1) allowing a...
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4590292 |
Process for the manufacture of cyclopropylamine
A modified novel process for preparing cyclopropylamine from γ-butyrolactone is described. The γ-butyrolactone ring is cleaved with a hydrohalide in the presence of a novel catalyst comprising an...
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4582856 |
Pesticidal 2,2-dimethyl-3-(2-halogeno-vinyl)-cyclopropanecarboxylic acid esters
Pesticidally active 2,2-dimethyl-3-(2-halogeno-vinyl)-cyclopropanecarboxylic acid esters of the formula ##STR1## in which R 1 and R 2 are identical or different and represent alkyl or...
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H000049 |
Process for producing 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethylcyclopropanecarboxyl ates
Disclosed is a Wittig-type process for preparing 3-(2-chloro-3,3,3-trifluoropropenyl)-2,2-dimethylcyclopropan
ecarboxylates which comprises reacting 1,1,1-trichlorotrifluoroethane with...
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4575517 |
Microbicidal agent for preserving industrial materials
Cyclopropylmethyl(ene) ethers have an outstanding action in microbicidal agents for preserving industrial materials from damage or destruction by microorganisms.
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4572799 |
L-Aminodicarboxylic acid amides
Sweeteners of the formula: ##STR1## and food-acceptable salts thereof, where the substituents are disclosed herein.
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4570014 |
Cycloalkanecarboxylic acid compounds
Novel plant growth regulant composition comprising as an active ingredient at least one cycloalkanecarboxylic acid compound of the formula ##STR1## in which R is hydroxyl, alkoxy, aralkoxy, amino,...
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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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4567290 |
Leukotriene analogues
A compound of the formula ##STR1## wherein n is an integer from 2 to 4; m is an integer from 3 to 5; R is OM, OR 1 or NR 2 R 3 where M is a pharmaceutically acceptable cation; R 1 , R 2...
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4567199 |
Halobenzyl esters
Compounds of formula I where Q is fluoro, chloro or bromo and R is monochloromonofluorobenzyl, and compositions containing them, useful as insecticides particularly for controlling soil pests. A...
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4556666 |
Cyclopropane carboxylic acid derivatives
All stereoisomeric forms and mixtures of stereoisomers of compounds of the formula ##STR1## wherein X is selected from the group consisting of oxygen, sulfur, sulfoxide and sulfone, R 1 and R 3 ...
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4552892 |
Acaricidal difluoroethenylcyclopropanecarboxylates
Difluoroethenylcyclopropanecarboxylates of the formula ##STR1## in which R is a selected biphenylmethyl, bridged biphenylmethyl or 4-phenyl-2-indanyl group, having a high level of activity against...
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4551546 |
Halogenated esters
This invention relates to novel cyclopropane derivatives useful as insecticides, to processes for their preparation, to compositions comprising them and to methods of combatting insect and similar...
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4551545 |
Process of preparing alkyl cis chrysanthemates
A process for the preparation of racemic or optically active isomers of alkyl esters of cis chrysanthemic of the formula ##STR1## wherein R is alkyl of 1 to 6 carbon atoms comprising reacting a...
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4551281 |
Process for the preparation of cyclopropane carboxylic acid esters
3-(2'-chloro-3',3',3'-trifluoropropenyl)-2,2-dimethylcyclopr
opane-1-carboxy lic acid esters are prepared by dehydrohalogenation of the corresponding 3-(2',2'-dichloro-3',3',3-trifluoropropyl)...
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4547522 |
Cyclopropane carboxylic acid derivatives
Novel cyclopropane carboxylic acid derivatives of the formula ##STR1## wherein A is selected from the group consisting of --O--, --CH 2 -- and ##STR2## R is selected from the group consisting of...
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4544767 |
Diacyloxyolefins are hydrogenated in presence of alkali and alkaline earth metal salts of carboxylic acids
Hydrogenation of an acyloxyolefin is effected in the presence of at least one of an alkali and an alkaline earth metal salt of a carboxylic acid. In one embodiment, 1,4-diacetoxy-2-butene is...
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4540810 |
Manufacture of alkanol and glycol esters
This invention concerns the improved preparation of alkanol and glycol esters, such as ethylene glycol diesters, by reaction of carbon monoxide and hydrogen in the presence of a catalyst system...
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4539424 |
Preparation of linear esters by carbonylation of monoolefins
Linear esters, e.g., alkyl adipates, are facilely prepared by reacting an alcohol and carbon monoxide with a monoolefin, in the presence of cobalt, optionally hydrogen, and a tertiary nitrogen...
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4537723 |
Derivatives of leukotrienes A and C
The present invention provides novel derivatives of leukotrienes A and C which are useful in inhibiting the smooth muscle contracting effects of SRS-A; inhibiting platelet aggregation; and...
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