Matches 151 - 200 out of 405 < 1 2 3 4 5 6 7 8 9 >
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4847259 Nitrogen-containing heterocyclic compounds, and use as insecticide  
Nitrogen-containing heterocyclic compounds are represented by the formula: ##STR1## wherein R 1 is either one of the following groups: ##STR2## in which R 4 is a hydrogen atom, a halogen atom or...
4845108 Certain pyridyl derivatives useful as leukotriene antagonists  
Compounds having the formula: ##STR1## are antagonists of leukotrines of C 4 , D 4 and E 4 , the slow reacting substance of anaphylaxis. These compounds are useful as anti-asthmatic, anti-allergic...
4840971 Novel ether compound, a process for manufacturing the same, a composition containing the same and a use thereof  
An ether compound represented by the following general formula (I), its produciton method and an insecticidal and/or acaricidal composition containing it as an active ingredient: ##STR1## wherein R...
4840664 Herbicidal pyridine derivatives  
Herbicidal pyridine compounds of formula (II): ##STR1## wherein Z is CF 3 CF 2 H, CF 2 Cl or hydrogen; Y is hydrogen, Cl, or CF 3 , provided that at least one of Y and Z is a halogenomethyl...
4839371 3-aralkyl-2-mercaptoyridines as dopamine-β-hydroxylase inhibitors  
Disclosed are novel substituted 3-aralkyl-2-mercaptopyridines of the structure: ##STR1## processes for their preparation, intermediates useful in their preparation, pharmaceutical compositions...
4838930 3-fuoropyridyl-2-oxy-phenoxy derivatives having herbicidal activity  
There are described novel 3-fluoropyridyl-2-oxy derivatives having a herbicidal action and an action reducing the growth of grasses, which compounds correspond to the formula I ##STR1## wherein X...
4831147 Resolution of enantiomers of herbicidal 2-(4-aryloxyphenoxy) propionates by chiral two-phase extraction  
Racemic mixtures of 2-(4-aryloxyphenoxy)propionic acids are resolved into their optically active enantiomers by dissolving the racemate with at least one equivalent of a cinchona alkaloid in a...
4826987 Pyridyl and quinoline derivatives  
The present invention relates to compounds of formula I ##STR1## in which formula I X stands for O, S, ##STR2## R 1 and R 2 which can be the same or different stand for hydrogen, straight or...
4822806 α-methyl-(6-phenoxy)-2-picolyl cyclopropanecaraboxylates having pesticidal activity  
The invention relates to α-methyl-(6-phenoxy)-2-picolyl cyclopropanecarboxylates of the formula ##STR1## wherein X 1 is methyl or halogen, R 1 is hydrogen or halogen, and R 2 is hydrogen,...
4820839 Nitrogen-containing heterocyclic esters  
Nitrogen-containing heterocyclic esters of the formula I, R 1 -A 1 -Z 1 -A 2 -[Z 2 -A 3 ] m -R 2 I in which R 1 , R 2 , A 1 , A 2 , A 3 , Z 1 , Z 2 and m have the meaning specified in...
4814340 1,4-diaryl alkane derivatives having insecticidal and acaricidal activity  
The present invention relates to novel aromatic alkane derivatives represented by the following general formula (I): ##STR1## wherein Ar stands for a substituted or unsubstituted phenyl or naphtyl...
4808762 Insecticidal cyclopropyl-substituted di(aryl) compounds  
Compounds of the formula ##STR1## in which Ar is substituted or unsubstituted phenyl, naphthyl, or thienyl; Z is oxygen, sulfur, or methylene; and Ar' is 2-methyl[1,1'-biphenyl]-3-yl,...
4806553 Pyridyl alkylenediamine compounds insecticidal  
There are provided insecticidally active alkylenediamines of the formula ##STR1## wherein W 1 stands for a 5- or 6-membered heterocyclic group which may be substituted, containing at least one...
4797409 1-hydroxy-2-pyridones, a process for their preparation, and medicaments which contain them, and intermediates formed in the preparation of the 1-hydroxy-2-pyridones  
New 1-hydroxy-2-pyridones of the general formula I ##STR1## in which R 1 , R 2 and R 3 , which are identical or different, denote hydrogen or lower alkyl having 1-4 carbon atoms, R 1 and R 3 ...
4792563 Insecticidal ethers  
Insecticidally active compounds of the formula (I): ##STR1## wherein R 4 represents a group selected from those groups represented by R 5 in insecticidally active compounds of formula: ##STR2## R...
4792616 Diaryl ethers  
Novel diaryl ethers of the formula ##STR1## wherein A is CR 3 or N and R 1 , R 2 , R 3 , R 4 , R 5 , n and R 6 are as defined hereinafter, processes for their preparation, herbicidal compositions...
4792606 Process for the preparation of dimeric aromatic acyl cyanides  
A process for the preparation of a dimeric aromatic acyl cyanide of the formula ##STR1## in which Ar is optionally substituted phenyl, naphthyl or hetaryl, comprising reaction an acyl halide of the...
4790870 Herbicidally active aryloxy optionally oxo-substituted indane or tetralin derivatives  
This invention relates to aryloxy optionally oxo-substituted indane or tetralin derivatives having herbicidal activity and to the use of such compounds to control the growth of noxious plants,...
4788206 Pentadieneamides  
Compounds of the formula ##STR1## Y is O ir S, *A is paraphenylene or *----(CH 2 )n----(X) m --(CH 2 ) r ----, X is O, S or --CHCH--, n or r, independently, are integers from 0 to 3, s is an...
4786317 4-phenoxy-pyridines having herbicidal activity  
Compounds of the formula ##STR1## wherein W and X, which may be identical to or different from each other, are each hydrogen, fluorine, chlorine, bromine, iodine, nitro, alkyl of 1 to 4 carbon...
4786646 Cyclopropylpropenamides  
The invention relates to compounds of the formula ##STR1## Y is O or S, *A is paraphenylene or *--(CH 2 ) n --(X) m --(CH 2 ) r --, X is O, S or --CHCH--, n or r, independently, are integers...
4778895 1-(6-phenoxy-2-pyridyl)ethanol emantiomers as pesticides intermediates  
The invention relates to enantiomers of 1-(6-phenoxy-2-pyridyl)ethanols of the formula ##STR1## wherein * is (+) or (-) and X and Y are each independently of the other hydrogen, halogen, nitro, C 1...
4776880 Diphenoxymethylpyridines  
Disclosed are diphenoxymethylpyridines, their preparation and their use as herbicides.
4772633 6-pyridyl- and 6-phenyl-3-phenyl-1-hexenes and -1-hexynes, composition containing them, and insecticidal and acaricidal method of using them  
This invention relates to a novel compound represented by the following general formula (I), its production, and an insecticidal and acaricidal composition containing it as an active ingredient:...
4766220 Process for the preparation of optically active aryloxyalkanoic acid compounds  
The invention relates to the preparation of optically active aryloxyalkanoic acid derivatives of the formula ##STR1## in which Ar represents an optionally substituted phenyl, naphthyl, phenoxy or...
4759796 2-phenoxypropionic acid cyanamides and their use as herbicides  
2-Phenoxypropionic acid cyanamides of the formula ##STR1## have a useful selective herbicidal activity against weeds, preferably grass weeds, in crops of useful plants. In this formula R is...
4756739 Pyridine derivatives and the N-oxides thereof, and the use thereof as intermediates for the synthesis of plant protecting agents  
The compounds of the formula I ##STR1## in which A denotes N or N➝O, Z denotes O or NH, R denotes H, (halo)alkyl, (halo)alkenyl, (halo)alkynyl or alkoxycarbonyl, R 1 denotes hydrogen, halogen,...
4757081 1,2,6-triphenyl-4(1H)-pyridinone derivatives, and uses as fungicidal agents  
New substituted derivatives of 1,2,6-triphenyl-4(1H)-pyridinone are now provided, which are useful as fungicidal agent having practically valuable and improved fungicidal activities against a...
4753673 Trifluoromethyl pyridinyloxyphenoxy and pyridinylthiophenoxy propanoic acids and propanols and derivatives thereof and methods of herbicidal use  
Compounds according to the following formula are useful as herbicidal agents: ##STR1## wherein the various substituents are defined hereinbelow.
4751225 Certain 2-pyridyloxy-lower alkylene-oxy-phenoxy compounds, thio-and methylene analogues having insecticidal properties  
A nitrogen-containing heterocyclic compound of the formula: ##STR1## wherein R 1 is either one of the following groups: ##STR2## (in which R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15...
4750931 Certain 3,5-disubstituted-2-pyridyloxy-fluorophenoxy-alkanoic acids, derivatives thereof and herbicidal properties  
Certain novel fluorophenoxy compounds, principally aryloxyfluorophenoxyalkanoic acids and derivatives thereof, are described. More specifically, these novel compounds bear 1 to 4 fluorine...
4743622 Certain diaryl-pentane derivatives having pesticidal properties  
The invention relates to new aromatic alkane derivatives of the general formula ##STR1## in which R 1 is aryl or aryl substituted by C 1 -4 alkyl, halo-C 1 -4 alkyl, phenyl-C 1 -4 alkyl, C 2 -4...
4731107 Certain 6-diphenoxymethyl-2-pyridinyl-oxy-propanoates having herbicidal properties  
Disclosed are diphenoxymethyl pyridines, their preparation and their use as herbicides.
4723013 Aryloxy-2,6-naphthalicdiacid compositions and products produced thereby  
Certain 4,8-disubstituted-2,6-naphthalene dicarboxylic acid monomers and a method for their preparation. These monomers are useful for the preparation of polymers, which polymers may be used to...
4717417 Certain 2-pyridyloxyphenoxypropanoic acid esters having herbicidal activity  
New dextrorotatory enantiomers of phenoxy propionic acid derivatives of the formula ##STR1## in which R 1 represents a radical of the formula ##STR2## wherein X 1 represents hydrogen or halogen, ...
4717726 3,5-dichloro-2,4-dimethoxy-6-(trichloromethyl)pyridine having anti-tumor activity  
3,5-Dichloro-2,4-dimethoxy-6-(trichloromethyl)-pyridine, which can be prepared from 2,3,4,5-tetrachloro-6-(trichloromethyl)pyridine and an alkali metal methoxide, is an anticancer agent especially...
4714706 Pyridyloxy derivatives and their use as insecticides  
Nitrogen-containing heterocyclic compounds are represented by the formula: ##STR1## wherein R 1 is either one of the following groups: ##STR2## (in which R 4 is a hydrogen atom, a halogen atom or...
4709077 7-(aryloxy)-2-naphthoxyalkanecarboxylic acid derivatives, processes for the preparation of these compounds, as well as agents having herbicidal activity containing these compounds  
Novel 7-(Aryloxy)-2-naphthoxyalkanecarboxylic acid derivatives of the formula I ##STR1## in racemic or separated isomeric form, have herbicidal activity.
4708733 Herbicidal 4-chloro-aryloxy-acetyl- and 4-chloro-aryloxy-propionyl-malonates  
The invention relates to new 4-chloro-aryloxy-acetyl- or 4-chloro-aryloxy-propionyl-malonates of the general Formula I, ##STR1## a process for the preparation thereof and herbicidal compositions...
4701531 Catalyzed alkylation of halopyridinates in the absence of added organic solvents  
A process for preparing O-alkylated halopyridinate compounds is described. The process does not require the use of added organic solvents.
4701464 Fluoropyridinylmethyl cyclopropanecarboxylate insecticides  
Insecticidal compounds of the formula ##STR1## formulations thereof, their use for control of foliar or soil-borne insects, their method of preparation and certain novel intermediates for their...
4694013 Insecticidal and acaricidal phenoxypyrdinyl esters and intermediates  
Insecticidal and acaricidal organic esters formed from pyrethroid carboxylic acids and phenoxypyridinyltrifluoroethanols, agricultural compositions containing said esters and their use against...
4692183 Diphenoxymethylpyridines and compositions containing same having herbicidal properties  
Disclosed are diphenoxymethyl pyridines, their preparation and their use as herbicides.
4691020 Preparation of optically active carboxylic acids  
Optically active carboxylic acids ##STR1## where R 1 is an organic radical which is linked to the asymmetric C' atom via a carbon atom and R 2 is one of the radicals R 1 (but not the same...
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...
4685953 Diphenoxymethyl-pyridinephosphates and phosphorothioates having herbicidal properties  
Disclosed are diphenoxymethylpyridines, their preparation and their use as herbicides.
4685959 Pyridyloxyphenoxyalkanoates, alkenoates and derivatives thereof, useful as herbicidal agents  
Novel pyridyloxyphenoxyalkanoates, alkenoates, R-enantiomers and derivatives thereof possess herbicidal activity selectively in the presence of broadleaf crops with preemergent or postemergent...
4684394 Herbicidal aryloxyphenoxyalkanoate and alkenoate derivatives, compositions, and method of use therefor  
Novel aryloxyphenoxyalkanoates, alkenoates, R-enantiomers and derivatives thereof possess herbicidal activity selectively in the presence of broadleaf crops with preemergent or postemergent...
4684477 Pyridine derivatives and their use in liquid crystals  
A novel pyridine derivative which, when added to liquid crystal substances, can improve various specific features required for the resulting liquid crystal compositions, and a liquid crystal...
4681941 Method of preparing esters of aryloxyphenoxy propanoic acid  
An improved method of preparing aryloxyphenoxy propanoic acid esters is disclosed. Low-water levels and low temperatures increase the yield and decrease by-product formation. A hindered...
Matches 151 - 200 out of 405 < 1 2 3 4 5 6 7 8 9 >