Matches 201 - 250 out of 405 < 1 2 3 4 5 6 7 8 9 >
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4678509 Certain pyridyloxy or thio-phenoxy-propanoic acids or salts thereof useful as herbicides  
Certain novel pyridinyloxyphenoxy alkanoic acids, pyridinylthiophenoxy alkanoic acids, derivatives thereof and related compounds are described. More specifically, these novel compounds bear a...
4678504 O-substituted 3-oxypridinium salts, their preparation and their use as fungicides for crop protection  
O-substituted 3-oxypyridinium salts of the formula ##STR1## where R 1 is unsubstituted alkyl, alkenyl or alkynyl, or is aralkyl, R 3 is hydrogen, alkyl, alkenyl or alkoxy, R 2 is substituted or...
4670045 Fungicidal control employing ester derivatives of 4,6-disubstituted 2-pyridinols  
6-Halo(or CF 3 )-4-((di- or tri)halomethyl)-2-pyridinyl esters of carboxylic, carbonic, carbamic, thiocarbamic, sulfonic, or sulfamic acids, exemplified by 6-chloro-4-(trichloromethyl)-2-pyridinyl...
4666925 1-Isopropyl-2-indanol and -indanthiol ether insecticides  
Compounds of the formula ##STR1## wherein Q is 0 or S, R 1 and R 2 are H, halogen, (halo)alkyl or (halo)alkoxy or together are methylenedioxy, R 3 is isopropyl optionally fluoro-substituted and...
4664698 Ether compound, and an insecticidal and acaricidal composition containing it as an active ingredient  
An ether compound represented by the following general formula (I), its production method and an insecticidal and acaricidal composition containing as an active ingredient: ##STR1## wherein X...
4661148 Pent-2-en-4-on-2-yl 2-(4-(5-trifluoromethyl-2-pyridinyloxy)phenoxy)propanoate useful for increasing recoverable sugar in sugar cane  
The subject matter of this invention is the new compound, pent-2-en-4-on-2-yl 2-[4-(5-trifluoromethyl-2-pyridinyloxy)phenoxy]propanoate. This compound is useful for increasing the recoverable sugar...
4661149 Substituted phenoxypropionaldehyde derivatives useful as herbicides  
The invention relates to certain substituted phenoxypropionaldehyde derivatives, formulations of said derivatives and the use thereof for preemergence or postemergence control of noxious plants,...
4661144 Certain 6-aminomethyl or monoalkylamino or dialkylamino or heterocyclicamino-2-diphenoxymethyl pyridines having herbicidal activity  
Disclosed are diphenoxymethylpyridines, their preparation and their use as herbicides.
4661497 α-methyl-(6-phenoxy)-2-picolyl cyclopropanecarboxylates having pesticidal properties  
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,...
4661501 Certain aryl-alkane-2-pyridyloxy-phenyl 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 naphthyl...
4659724 Certain 1-[4-(5-cyano-2-pyridyloxy)phenyl-benzoyl ureas having pesticidal properties  
Novel pyridyloxyaryl benzoyl ureas and a process for their preparation are provided. The novel ureas are useful as the active toxicant in insecticidal compositions.
4659370 Substituted phenoxypropionates and herbicidal compositions containing same and their herbicidal use  
Novel substituted phenoxypropionates of the formula ##STR1## in which Ar represents the group ##STR2## or the group ##STR3## in which Y represents a halogen atom or a trifluoromethyl group and b...
4657577 Pyridyloxy-phenoxy-propionic acid phosphoroates having herbicidal activity  
Novel substituted pyridyl-phenyl ethers of the formula ##STR1## in which X represents trifluoromethyl or chlorine, Y represents hydrogen or chlorine, R 1 represents hydrogen or methyl and ...
4655824 Certain trifluoromethoxy-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...
4642199 Novel liquid crystal compounds and liquid crystal compositions containing same  
A novel pyridine derivative capable of increasing the dielectric anisotropy value (Δε) or optical anisotropy value (Δn) of liquid crystal compositions including the derivative and lowering the...
4642349 Process for making aromatic ethers  
Aromatic ethers or polyethers are prepared by reacting an organic halide such as a hydrocarbon halide with an aryl lower alkyl carbonate in the presence of an initiator.
4639537 Certain laevorotatory p-tolysulfonyl or methanesulfonyl propionic acid ester intermediates  
New laevorotatory enantiomers of phenoxy propionic acid derivatives of the formula ##STR1## in which R 2 represents a radical of the formula ##STR2## wherein Y represents oxygen or the radical SO...
4634771 Method for converting carboxylic acid groups to trichloromethyl groups  
There is disclosed a method for the conversion of a carboxylic acid group on the ring of an aromatic or N-heteroaromatic compound to a trichloromethyl group which comprises contacting the aromatic...
4629497 Certain 1-(N-methylsulfonamido)-prop-2-yl 2-/4-(pyrid-2-yloxy)phenoxy/-propionate derivatives and their use for increasing recoverable sugar contained in sugar cane  
The subject matter of this invention are the following sulfonamides: ##STR1## wherein X is chlorine or trifluoromethyl Y is chlorine or hydrogen Z is hydrogen or methyl
4628099 Trifluoromethyl pyridinyloxyphenoxy propanoic acid chlorides  
Novel compounds used as intermediates for making herbicides are disclosed. The novel compounds include acid chlorides of 2-(4-((3-chloro-5-(trifluoromethyl)-2-pyridinyl)oxy)phenoxy) propanoic acid...
4621087 Anti-anoxic furo- or pyrrolo-pyridine compounds and pharmaceutical compositions containing them  
Pyridine derivatives of the general formula (I) ##STR1## in which X is --O-- or --NH--, R 1 is a phenyl group optionally substituted by one or two halogen atoms or a methyl, ethyl,...
4618615 Certain 6-phenoxy-2-pyridinyl-α-methyl-methylene esters of α-cyclopropyl-α-phenyl-acetic acid derivatives and their use for controlling pests  
α-Cyclopropyl-α-phenylacetate and salts thereof, corresponding to the formula ##STR1## wherein R 1 is hydrogen, methyl, cyano or ethinyl, X 1 is hydrogen, halogen, C 1 -C 5 -alkyl, C 1 -C...
4614536 Certain pyridyloxy-phenoxy-propionate derivatives, herbicidal compositions containing same and their herbicidal method of use  
Novel substituted phenoxypropionates of the formula ##STR1## in which Ar represents the group ##STR2## for the group ##STR3## in which Y represents a halogen atom or a trifluoromethyl group and ...
4609735 Certain aryloxy-4-chloro-2-butanol intermediates  
Novel 1-aryloxy-4-amino-2-butanols of the formula ArO--CH 2 --CHOH--CH 2 --CH 2 --NR 1 R 2 wherein AR is 1-naphythyl, 2-naphthyl, indene-4(or 5-)yl, 3-(or 5-)chloro-2-pyridyl, phenyl,...
4606757 Diphenoxymethylpyridines having herbicidal properties  
Disclosed are diphenoxymethylpyridines, their preparation and their use as herbicides.
4602946 Substituted aryloxy benzoyl amino acid herbicides and methods of use  
As new compounds, substituted aryloxy benzoyl amino acid esters having the formula ##STR1## in which R is NO 2 , hydrogen or halogen; R' is H, lower alkyl having from about 1 to about 6 carbon...
4599105 2-[16-(3-fluoro-5-trifluoromethyl-pyridinyl-2-oxy)-3-nitro-phenoxy]-pro pionic acid derivatives, herbicidal compositions containing same and herbicidal method of use  
Novel compounds, e.g., N-methanesulfonyl 2-((5-(3-fluoro-5-(trifluoromethyl)-2-pyridinyl)oxy)-2-nitro -5-phenoxy)pro pionamide are selective herbicides useful for controlling weeds in valuable crops.
4599106 Substituted alkanethiocarboxylic acid derivatives and herbicidal use thereof  
A substituted alkanethiocarboxylic acid derivative of the formula ##STR1## in which A represents a CH grouping, X 1 represents hydrogen, trifluoromethyl or chlorine, X 2 and X 3 ...
4596599 Optically active phenoxypropionic acid derivatives  
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, ...
4590200 Naphthalene thromboxane synthetase inhibitors  
A novel series of carboxy-substituted naphthalenes and carboxy-substituted benzo-fused heterocycles, such as carboxy-substituted derivatives of indole, benzofuran and benzothiophene, has been...
4589907 Amidomethyl ester herbicides  
Compounds having the formula ##STR1## in which Z is ##STR2## wherein X is hydrogen or halogen and Y is --CH or N; R is alkyl, phenyl, trihalomethylphenyl, cyanomethyl, carboalkoxymethyl, ##STR3##...
4588816 Preparation of (2-(6-substituted)-pyridinyloxy)alkanols from 2-(6-substituted)pyridinols and organic carbonates  
The invention is a process for the preparation of (2-(6-substituted)pyridinyloxy)alkanols comprising contacting a 2-(6-substituted)pyridinol with an organic carbonate at a temperature of between...
4586953 Herbicidal pyridyloxy phenoxy propanols or derivatives thereof herbicidal composition containing same and their herbicidal use  
Herbicidal pyridine compounds of the formula (I): ##STR1## wherein Z may be halogen, or a fluorine- or chlorine-substituted alkyl group of 1 to 4 carbon atoms, and Y may be hydrogen, halogen, or a...
4587255 Isomers of 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic acid-α-methyl-(6-phenoxy-2-picolyl)ester, processes for producing them, and their use for controlling pests  
Novel isomers of the compound of the formula ##STR1## are described, and processes for producing these compounds and their use for controlling pests are given.
4585870 Substituted pyridyl-phenyl ethers  
Novel substituted pyridyl-phenyl ethers of the formula ##STR1## in which X represents trifluoromethyl or chlorine, Y represents hydrogen or chlorine, R 1 represents hydrogen or methyl and ...
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...
4562213 Certain phenoxy-benzyloxy ether derivatives and an insecticidal and/or acaricidal composition containing the same and methods of use  
Ether compounds of the general formula, ##STR1## wherein W represents CH group or nitrogen atom, and (1) when W is the CH group, R 1 represents hydrogen atom, fluorine atom, chlorine atom, bromine...
4561882 3-Alkoxy-4-substituted-phenoxy-2,3-unsaturated acid esters and derivatives thereof and the use thereof for the control of weeds  
This invention relates to 3-alkoxy-4-substituted-phenoxy-2,3-unsaturated acid esters, derivatives thereof, and the use of said acid esters and derivatives for the control of weeds.
4556414 Herbicidal dihydropyridine amides  
Selective herbicides based on compounds of the formula: ##STR1## in which: R 1 , R 2 and R 3 are H, lower alkyl, alkoxy or alkoxyalkyl; R 4 is a carboxyl radical, optionally in the form of a...
4555575 Process for preparing 2,3-dichloro-5-trichloromethylpyridine  
A liquid phase process for preparing 2,3-dichloro-5-trichloromethylpyridine, said process consisting essentially of contacting a 2,3-disubstituted-5-methylpyridine of formula ##STR1## where X and Y...
4551170 Herbicidal trifluoromethyl pyridinyloxyphenoxy and pyridinylthiophenoxy propanols and derivatives thereof  
2-((4-pyridinyl-2-oxy)phenoxy)propanoic acids, amides, salts and esters thereof, and nitriles derived therefrom and 2-((4-pyridinyl-2-oxy)phenoxy) propanols and esters and ethers thereof, and the...
4549901 2-[4-(Substituted aryl)phenoxy]-N-substituted-phenylsulfonyl propionamides having herbicidal properties  
As new compounds, 2-[4-(substituted aryloxy)phenoxy]-N-substituted phenylsulfonyl]propionamides having the formula ##STR1## wherein A is CH, or nitrogen, X is hydrogen or chlorine and Ar is phenyl...
4546106 Anti-inflammatory 2-methyl-3-hydroxy-4-alkenoylthiomethyl-5-vinyl-pyridine derivatives  
Mercaptoalkylpyridines carrying an ethenyl or ethynyl substituent are prepared from known pyridine compounds, principally pyridoxine, by known chemical procedures, and are useful in the treatment...
4532328 Process for making optically active esters of phenoxyphenoxypropionic acids or pyridyloxyphenoxypropionic acids  
Process for making optically active esters having an enhanced optical purity by reacting a mole of an appropriate substrate phenol with a molar excess of an appropriate optically active ester.
4529438 Pyridyloxy-phenoxy-alkanoic acid esters and derivatives  
This invention relates to 3-alkoxy-4-substituted-phenoxy-2,3-unsaturated acid esters, derivatives thereof, and the use of said acid esters and derivatives for the control of weeds.
4523017 Preparation of trifluoromethyl pyridinyloxyphenoxy propanoic acids and propanols and derivatives thereof  
2-((4-Pyridinyl-2-oxy)phenoxy)propanoic acids, amides, salts and esters thereof, and nitriles derived therefrom and 2-((4-pyridinyl-2-oxy)phenoxy) propanols and esters and ethers thereof, and the...
4522647 Substituted phenoxyalkanediones and their herbicidal method of use  
Substituted phenoxyalkanediones and intermediates therefor, and the use of said compounds for the control of weeds.
4520199 Alkoxy substituted phenoxy alkanoic acid esters  
3-Alkoxy-4-substituted phenoxy alkanoic acid esters, derivatives thereof, and the use thereof for the control of weeds.
4518416 Certain trimethyl silyl-lower-alkyl esters of pyridyloxy-phenoxy-lower alkanoic acids, compositions containing same and herbicidal method of use  
Novel substituted pyridyl-phenyl ethers of the formula ##STR1## in which X represents trifluoromethyl or chlorine, Y represents hydrogen or chlorine, R 1 represents hydrogen or methyl and ...
4517010 2-Nitro-5(substituted-phenoxy) benzoyl derivatives as herbicides  
There is provided a new class of derivatives of 2-nitro-5-(substituted-phenoxy) benzoyl compounds that have pre- and post-emergence herbicidal activity. The derivatives include certain substituted...
Matches 201 - 250 out of 405 < 1 2 3 4 5 6 7 8 9 >