Matches 151 - 200 out of 687 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >
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4963583 Beta-ionone derivatives as antifungal agents  
Novel 3-acyloxy-4-keto-β-ionone derivatives of the formula I ##STR1## wherein Z is either the radical ##STR2## in which R 1 represents C 2 -C 5 alkyl, C 1 -C 5 alkoxy-C 1 -C 5 alkyl having...
4962233 Process for preparing racemic dihalovinylcyclopropane carboxylic acid halides  
Racemic dihalovinylcyclopropane carboxylic acid halides, which are intermediates of such insecticides as permethrin, cypermethrin etc., are prepared by allowing phosphorus iodides, silicon iodides...
4948914 Process for preparing trans-2,2-dimethyl-3-(2,2-dihalovinyl)cyclopropane carboxylic acid esters  
Trans-2,2-dimethyl-3-(2,2-dihalovinyl)-cyclopropane carboxylic acid esters which are intermediate of insecticides are prepared by allowing (1) alkali metal alkoxides and titanium alkoxides or (2)...
4936906 Agents for regulating plant growth  
Agents for regulating plant growth containing an effective amount of at least one cyclohexanone derivative of the formula I ##STR1## where A, X, n, Y, Z and R have the meanings given in the...
4935434 Antiarthritic isoxazole-4-carboxamides  
Disclosed herein are isoxazole-4-carboxamides having the formula ##STR1## wherein R 1 is C 3 -6 cycloalkyl and R 2 is selected from the group consisting of C 1 -5 alkyl, C 2 -5 alkenyl, C 2 -5...
4929751 Vinyl tricarbonyl compounds and methods of making the same  
A vinyl tricarbonyl compound of the formula ##STR1## or its monohydrate of the formula ##STR2## wherein R 1 is a hydrogen, halogen, unsubstituted or substituted C 1 to C 30 alkyl, unsubstituted...
4927964 Method for production of 2-oxyimino-3-oxobutyric acids  
An advantageous method of producing in large amounts on a commercial scale 2-substituted oxyimino-3-oxobutyric acids, which are useful as intermediates in the synthesis of e.g. aminothiazole...
4927852 Insecticidal compounds characterized by enhanced knockdown effect  
The invention provides insecticidal compositions exhibiting excellent knockdown activity against public health pests, in particular cockroach species, comprising compounds of formula (I): ##STR1##...
4920231 Process of braking triflouromethyl compounds  
A process for the preparation of trifluoromethylvinyl compounds in all their possible streoisomeric forms and mixtures thereof comprising reacting a salt of trifluoroacetic acid with a halovinyl...
4916229 Pyridine carboxylic acid derivates  
The present invention covers a novel process for preparing substituted naphthyridines which are useful as intermediates in the production of certain antibacterial agents such as enoxacin. Also...
4916156 Aromatic derivatives, their preparation and their use as antimicrobial agents  
The present invention relates to aromatic derivatives of the formula: ##STR1## in which: n represents an integer between 2 and 10; R 1 and R 2 are identical or different and represent a...
4902818 Process for the manufacture of optically active compounds  
The manufacture of optically active bifunctional compounds of the general formula ##STR1## wherein R represents protected hydroxymethyl, protected formyl or alkoxycarbonyl and R 1 represents a...
4902814 Fluorobenzyl esters  
A compound of formula: ##STR1## wherein R is selected from hydrogen, cyano, methyl, and ethynyl, and X represents the residue of any carboxylic acid of formula X-COOH which forms an insecticidally...
4902697 Derivatives of 2,2-dimethyl-cyclopropanecarboxylic acid  
Derivatives of 2,2-dimethylcyclopropanecarboxylic acid endowed with insecticidal and acaricidal activity, and having the formula ##STR1## wherein: R is an alkyl, cycloalkyl, alkenyl or alkynyl...
4898968 Cyclopropane derivatives  
Compounds of the formula ##STR1## wherein R 2 represents an α-branched alkyl group containing from 3 to 6 carbon atoms, and R represents either (a) hydroxy, halo or alkoxy of up to six carbon...
4889872 2,3,5,6-Tetrafluorobenzyl (+) 1r-trans-2,2-dimethyl-3-(2,2-dichlorovinyl)-cyclopropanecarboxylate  
The novel compound 2,3,5,6-Tetrafluorobenzyl (+)1R-trans-2,2-dimethyl-3-(2,2-dichlorovinyl)-cyclopropanec arboxylate of the formula ##STR1## is highly active insecticidally.
4888042 Cyclohexenone derivative, process for producing the same and herbicides comprising the same as active ingredient  
The present compounds have a high herbicidal activity against various problematic weeds in soil treatment and foliage treatment in plow field as well as in treatment under flooded condition in...
4883806 Certain cyclopropanedicarboxylates with an unsaturated side chain having insecticidal activity  
Novel isomers and mixtures thereof of cyclopropane carboxylic acid derivatives with a 3-unsaturated side chain of the formula ##STR1## wherein A' is selected from the group consisting of (1) alkyl...
4880561 Optically active compound and liquid crystalline composition  
Disclosed is an optically active cyclopropane compound represented by the formula (1): ##STR1## wherein R is an alkyl or cycloalkyl group, n is 0 or 1, Y 4 is --CO 2 CH 2 --, --OCO-- or --OCH 2 ...
4879302 Certain oximino-cyclopropane carboxylates having insecticidal activity  
All possible stereoisomeric forms and mixtures thereof of a compound of the formula ##STR1## wherein A is selected from the group consisting of hydrogen, optionally unsaturated alkyl and haloalkyl...
4874887 Process for the preparation of pyrethroid type ester compounds  
The present invention relates to a novel process for the preparation of insecticidally active esters of the general formula (I) ##STR1## wherein R 1 and R 2 are the same or diferent from each...
4874822 Process for the acrylamidoacylation of alcohols  
The present invention provides a dramatically improved process for the preparation of acrylamide and methacrylamide functional monomers, oligomers, and polymers that avoids the use of acidic...
4874473 Separation of diastereomers by extractive distillation  
Diastereomers can be separated with good industrial success with the aid of extractive distillation. The separation process is characterized in that an auxiliary which changes the partial pressure...
4868209 Halogenated esters  
Compounds of formula I wherein R 1 and R 2 are haloalkyl or halo, X is O, S, S(O), SO 2 or NR 4 where R 4 is H or alkyl, R 3 is alkyl and n is 1 to 4, and compositions comprising them, useful...
4864052 2,2-Dimethylcyclopropane-carboxylic acid derivatives  
A 2,2-dimethylcyclopropanecarboxylic acid derivative having the formula: ##STR1## wherein R 1 is an alkyl group or an aryl group, R 2 is a hydrogen atom, an acyl group, a sulfonyl group or an...
4853414 Halogenated esters  
Compounds of formula (I), useful as insecticides and knockdown agents: ##STR1## where Y is C 1 -6 alkoxy, Z is halo or C 1 -6 alkoxy; R is --(CH 2 ) p --(O) m --R 3 where m and p may be 0 or 1;...
4835304 High density ester damping fluids  
Esters having the general formula: ##STR1## where X is a halogen, n is 1-5, Y is an alkyl, ether, ester, or nitro substituent, m is 0-2, Z is an ester linkage --OCO-- or --CO 2 --, R' is a...
4833163 Novel cyclopropane carboxylic acid derivatives  
Novel isomers and mixtures thereof of cyclopropane carboxylic acid derivatives with a 3-unsaturated side chain of Z geometry of the formula ##STR1## wherein A' is ##STR2## wherein R 13 is selected...
4820735 Vinylcyclopropanecarboxylic acid esters  
Novel insecticidally and acarididally active vinylcyclopropanecarboxylic acid esters of the formula ##STR1## in which R represents alkylthio, alkylsulphinyl, alkylsulphonyl, amino,...
4816598 4-Amino-butanoic acid derivatives  
The invention relates to 4-amino-butanoic acid derivatives of general formula: ##STR1## in which: M represents an alkali metal atom, R represents a protected amino group, R 1 represents a...
4812592 Process for the preparation of the esters of an acid  
The invention concerns a process for the preparation of the esters of an alkyltartronic acid by direct oxidation, with O 2 or the like, at 30°-200° C., of the corresponding alkyl-malonic esters,...
4808749 Cyclopropane carboxylic esters and acids  
Novel esters in all possible isomeric forms of the formula ##STR1## wherein R is selected from the group consisting of (a) optionally unsaturated alkyl of 1 to 8 carbon atoms and optionally...
4793993 Crosslinking of hair thiols  
Keratinous material, such as human hair, in which disulfide linkages have been ruptured to form disulfide linkages can be set using diimidates, and disuccinimidyl compounds as disclosed herein.
4788218 17 a β-hydroxy-7 α-methyl-d-homo-19-norandrost-4,16-diene-3-one and the 17-esters thereof: methods of preparation and uses  
Novel compounds having the general formula: ##STR1## wherein: R 1 is hydrogen or an acyl substituent of the formula: --(CO)--R 2 wherein: R 2 is an alkyl, alkenyl, alkynyl, cycloalkyl,...
4782087 Insecticidal prop-1-ynyl-3-phenoxybenzyl-2,2-dimethyl-3-(2,2-dihalovinyl)-cyclopropan e-1-carboxylates  
Prop-1-ynyl-3-phenoxybenzyl-2,2-dimethyl-3-(2',2'-dihaloviny l)-cyclopropane -1-carboxylates of the formula ##STR1## in which X 1 if fluorine, chlorine or bromine, and their use in combating pests.
4778920 Process for the production of chlorine-free cyclopropanecarboxylic acid esters  
For the production of chlorine-free cyclopropanecarboxylic acid esters, gamma-butyrolactone and butanol are reacted, in a first step, with hydrogen chloride in the absence of a catalyst at a...
4778822 Insecticidally active ester  
The invention relates to a method of combating soil-dwelling root worms of the genus Diabrotica which comprises treating the soil in which said root worms dwell with the compound 2-chloro-3,...
4778630 Microbial desaturase enzyme inhibitors and their use in a method of producing lipids  
The invention provides novel cyclopropene fatty acid compounds of formula (I) ##STR1## wherein R is a straight chain aliphatic group of 1 to 6 carbon atoms, n is an integer of from 10 to 15; Z is a...
4759880 Alkanoarachidonic acids  
A series of alkanoarachidonic acids have been prepared as modulators of the arachidonic acid cascade to increase the production of biologically desirable compounds and minimize the production of...
4740612 Process for production of β-dihalogenoethenylcyclopropane derivatives  
A novel process for producing a β-dihalogenoethenylcyclopropane derivative of the formula, ##STR1## wherein R 1 is a hydrogen atom or an alkyl group, R 3 is a hydrogen atom, lower alkyl, acyl,...
4740331 Salts useful as corrosion inhibitors  
Salts having the formula: Y--NH 3 ♁.RCO 2 .crclbar . I in which Y is a group of formula R 1 XCH 2 CH(OH)CH 2 --, R and R 1 are the same or different and each is a straight- or...
4739107 Process for the preparation of a diester of a dicarboxylic acid  
Process for the preparation of dicarboxylate esters by reacting an optionally substituted ethylenically unsaturated hydrocarbon having two carbon atoms less than said dicarboxylic acid, CO and an...
4739071 Process for the preparation of enantiomers  
Enantiomers of optically active dicarboxylic acid monoesters are obtained by subjecting them to intramolecular rearrangement involving reversal of the direction of rotation.
4734120 Dipeptides containing C-terminal phosphinothricin, a process for their preparation and their use for controlling undesirable plant growth  
Dipeptides containing C-terminal phosphinothricin of the formula ##STR1## in which phosphinothricin is attached to a--preferably natural--amino acids at the amino group are effective herbicides in...
4732903 Certain cyclopropyl dicarboxylates having pesticidal and insecticidal activity  
Novel isomers and mixtures thereof of cyclopropane carboxylic acid derivatives with a 3-unsaturated side chain of the formula ##STR1## wherein A' is selected from the group consisting of wherein...
4723035 Method for racemization of chrysanthemic acid or its ester  
Racemization of optically active, particularly the (-)-form of chrysanthemic acid or its ester of the formula: ##STR1## wherein R is, for example, hydrogen or an alkyl group, is effected by...
4714790 Fluoro alcohols and insecticidal esters thereof  
The invention concerns a process for preparing 2-substituted-3,4,5,6-tetrafluorobenzyl alcohols by reaction of pentafluorobenzyl alcohol with a Grignard reagent under specified conditions. The...
4714777 Cyclopropanone hydrate derivatives  
The subject invention relates to novel cyclopropanone hydrate derivatives of the structural formula ##STR1## wherein R 1 and R 2 are selected from the group consisting of --H, --(CH 2 ) n --...
4714712 Carboxylic acid esters and insecticides containing them as the active ingredient  
This invention relates to novel carboxylic acid esters represented by the formula (I) below, methods for production thereof and insecticides containing them as the active ingredient, and an alcohol...
4713479 Synthesis of high-purity dialkyl 2-vinylcyclopropane-1,1-dicarboxylate  
This invention relates to a two-step synthesis of high purity dialkyl 2-vinyl-cyclopropane-1,1-dicarboxylate in which a mixture of trans- and cis-1,4-dihalobutene-2 is first isomerized to...
Matches 151 - 200 out of 687 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >