Matches 101 - 150 out of 405 < 1 2 3 4 5 6 7 8 9 >
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5093373 Phenoxy-benzyl ether compounds, compositions containing same, and insecticidal method of use  
An ether compound represented by the following formula (I), it production and insecticidal compositions containing it as an active ingredient: ##STR1## wherein R 1 , represents a halogen atom or a...
5089511 Insecticides and nematicides  
A process for the preparation of trifluoromethylvinyl compounds in all their possible steroisomeric forms and mixtures thereof comprising reacting a salt of trifluoroacetic acid with a halovinyl...
5081245 Carboxylic acid derivatives  
A compound represented by the formula: ##STR1## wherein R represents a hydrogen atom or a lower alkyl group; R 1 represents a higher alkyl group which may be substituted; R 2 represents a...
5079361 Thiol-reactive cross-linking reagents  
Cross-linking reagents which are highly specific for sulphydryl groups and react with thiols at an excellent rate. The essential feature of the reagents is at least one vinyl group conjugated with...
5076834 1,2,5,6-Tetrahydropyridine-2-one compounds which are useful herbicides  
A cyclic amide compound of the formula: ##STR1## wherein X is a hydrogen atom, a halogen atom, a lower alkyl group, a haloalkyl group, a lower alkoxy group, a haloalkoxy group, a lower alkylthio...
5071860 Insecticidally active substituted heteroaryl phenyl ethers  
Insecticidally active substituted heteroaryl phenyl ethers of the formula ##STR1## in which Het represents an optionally substituted heteroaromatic radical, X represents O, S, --CH 2 --,...
5068394 Herbicidal (hetero)aryloxynaphthalene derivatives and intermediates therefor  
Herbicidal (hetero)aryloxynaphthalene derivatives of the formula ##STR1## in which X is N or --C--R 5 , R 1 , R 2 , R 4 and R 5 are hydrogen or halogen or R 1 may be cyano or trifluoromethyl,...
5068336 Process for producing 2-(4'-hydroxphenoxy)-3-chloro-5-trifluoromethylpyridine  
A process of producing 2-(4'-hydroxyphenoxy)-3-chloro-5-trifluoromethylpyridine with high efficiency, which is suited for industrial scale production is disclosed. In the process of the present...
5057146 Certain 2-pyridyl oxy-phenyl acrylates having fungicidal, insecticidal, nematocidal and plant growth regulating activity  
This invention relates to derivatives of acrylic acid useful in agriculture (especially as fungicides but also as plant growth regulators, insecticides and nematocides), to processes for preparing...
5057527 Method of preventing infestation of fleas  
The present invention relates to the use of substituted alkoxydiphenyl ethers or alkoxydiphenylmethanes of the general formula I ##STR1## in which R 1 represents hydrogen, halogen, alkyl, alkoxy,...
5049585 Certain 3,3-bis-(difluoro methyl)2,2-dimethyl-cyclopropane carboxylates having insecticidal activity  
Insecticidal compounds with effective knockdown activity against public health pests and having the general formula: ##STR1## wherein Z is selected from 3-allyl-2-methyl-4-oxocyclopent-2-en-1-yl;...
5049673 Fluorescent indicator dyes for calcium working at long wavelengths  
The present invention discloses a new class of calcium specific fluorescent indicator dyes having visible excitation and emission wavelengths. The new fluorescent indicator dyes combine at least...
5049676 Process for the preparation of optical isomers of 2-chloropropionic acid esters  
A process for the preparation of optically active esters of 2-chloropropionic acid of the formula: ##STR1## from an optically active lactate of the formula: ##STR2## with inversion of...
5049675 Solvent-free process for the preparation of ((pyridinyloxy)phenoxy) propionate derivatives  
A solvent-free process for the preparation of herbicidal 2-(4-(pyridinyl-2-oxy)phenoxy)propionate esters is disclosed. The process involves the coupling of a 2-fluoropyridine and an ester of...
5032602 Inhibiting HMG-CoA reductase with novel substituted 2-pyridones and pyrid-2-thiones  
For inhibiting HMG-CoA reductase and cholesterol synthesis, the novel 2-pyridones and pyrid-2-thiones of the formula ##STR1## in which A is optionally substituted aryl or heterocyclic, B is...
5028732 Herbicidally active amino diphenyl ethers  
Compounds having the formula ##STR1## wherein Q is substituted phenyl or substituted pyridyl; Y is nitro, cyano, or halogen; R is a group of the formula --(CHR 1 ) m --A--(CH 2 )-- n --R 3 ...
5021579 Cyclohexane herbicides  
A novel cyclohexane compound represented by the general formula (I), ##STR1## wherein R 1 represents a hydrogen atom or a (C 1 -C 6 )alkyl or (C 1 -C 4 )alkoxymethyl group, R 2 represents a (C...
5008275 Pesticidal pyridyl-substituted acrylic ester compounds  
Fungicidal pyridyl-substituted acrylic esters of the formula ##STR1## in which R 1 represents alkyl or represents optionally substituted aralkyl, R 2 represents dialkylamino or represents a...
5006658 Pestidical pyridyloxy-dodeca-2,4-dienoates and phosphorimidates thereof  
A compound of Formula I or a salt thereof: Ar--Q--(CH 2 ) m --A--CH 2 ) n (CE 1 CE 2 ) a CE 3 CE 4 CXNR 1 R 2 (1) where Ar is a 6-membered heteroaromatic ring...
5006538 Certain insecticidal 6-(phenoxy-2-pyridyl)-methyl-neophental ethers  
An ether compound represented by the following formula (I), it production and insecticidal compositions containing it as an active ingredient: ##STR1## wherein R 1 , represents a halogen atom or a...
5002604 2-(4-(5-Chloro-3-fluoropyridin-2-yloxy)-phenoxy)-propionic acid derivatives having herbicidal activity  
There are described novel 2-[4-(5-chloro-3-fluoropyridin-2-yloxy)-phenoxy]-propionic acids esters and -thio-esters having a herbicidal action and an action reducing the growth of grasses, which...
5002957 Azaneophyl sulfides, and their use as pesticides  
Azaneophyl and silazaneophyl sulfides, processes for their preparation, agents containing them, and their use as pesticides. Compounds of the formula I, their optical isomers and mixtures thereof...
4997837 6-(((substituted)pyridin-3-yl)alkyl)-and alkenyl)-tetrahydro-4-hydroxypyran-2-one inhibitors of cholesterol biosynthesis  
Certain trans-6-[[(substituted)pyridin-3-yl]-alkyl- and alkenyl]tetrahydro-4-hydroxypyran-2-ones and the corresponding ring-opened acids derived therefrom are potent inhibitors of the enzyme...
4990621 Certain propene derivatives as intermediates for the preparation of pesticidal silane derivatives  
New propene derivatives as intermediates for the preparation of pesticidal silane derivatives. Compounds of the formula ##STR1## wherein R 4 is H, R 5 is a radical of the formula ##STR2## and R...
4981971 Certain aromatic or heterocyclic mercapto-alkylene-cyclohexene dione intermediates  
A novel cyclohexane compound represented by the general formula (I), ##STR1## wherein R 1 represents a hydrogen atom or a (C 1 -C 6 )alkyl or (C 1 -C 4 )alkoxymethyl group, R 2 represents a (C...
RE33478 Pyridyl(oxy/thio)phenoxy compounds herbicidal compositions and methods  
Certain novel pyridinyloxyphenoxy alkanoic acids, pyridinylthiophenoxy alkanoic acids, derivatives thereof and related compounds are described. More specifically, these novel compounds bear a...
4970313 Optically active 3-demethylmevalonic acid derivatives, and intermediates  
A process for the preparation of optically active 3-de-methylmevalonic acid derivatives, and intermediates A process for the preparation of optically active 3-de-methylmevalonic acid derivatives of...
4962113 Pyridinium derivatives, their production and use  
Novel pyridinium derivatives represented by the formula (I): ##STR1## wherein ##STR2## is an optionally substituted pyridinium ring; R 1 is a lower alkyl group or aralkyl group; R 7 and R 10 ...
4960897 Herbicide containing 1-(halogenomethyl)-vinyl pyridines  
Disclosed herein is an N-[2-(pyridyl)propyl]-N-substituted sulfonamide represented by the following general formula (I): ##STR1## wherein J represents a phenyl group which may be substituted or...
4959381 Pyridine compounds which have useful activity associated with reversible air ways obstruction  
The present invention provides compounds of the general formula (I) ##STR1## wherein X represents a bond, or a C 1 -6 alkylene, C 2 -6 alkenylene or C 2 -6 alkynylene chain, and Y represents a...
4948420 Herbicidal aryloxy phenoxy acyl malonates  
The invention relates to new aryloxy phenoxy acyl malonates of the Formula I ##STR1## a process for the preparation thereof and herbicidal compositions comprising the same. In the Formula I R 1 ...
4948414 3-fluoropyridyl-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...
4935051 2-[4-(5-chloro-3-fluoropyridin-2-yloxy)-phenoxyl]-propionic acid methyl ester with herbicidal activity  
There is described the novel 2-[4-(5-Chloro-3-fluoropyridin-2-yloxy)-phenoxy]-propionic acid methyl ester and its (R)-enantiomer. ##STR1## These compounds are suitable for selectively controlling...
4927838 Pyridine compounds which are useful in treating a disease state characterized by an excess of platelet activating factors  
The invention relates to compounds of the formula ##STR1## wherein Y and Y' are hydrogen or taken together are O or S, *A is paraphenylene or *----(CH 2 ) n --(X) s --(CH 2 ) r ----, X is O, S...
4925947 Precursors to herbicidal pyridine compounds  
This invention relates to certain pyridine derivatives having herbicidal properties, and to herbicidal processes and compositions utilizing them.
4916228 Process for the preparation of 1-hydroxy-2-pyridones  
1-Hydroxy-2-pyridones of the formula I ##STR1## in which R 1 =an organic radical and R 2 =H or an organic radical, are prepared by reacting a pyrone of the formula II ##STR2## in which R 1 ...
4914116 Nitrogen-containing heterocyclic compounds, and their use as insecticides  
A nitrogen-containing heterocyclic compounds are representable 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...
4913837 Heterocyclic compounds  
Heterocyclic compounds of the formula I R 1 -A 1 -Z 1 -A 2 -[Z 2 -A 3 ] n -R 2I wherein R 1 , R 2 , A 1 , A 2 , A 3 , Z 1 , Z 2 and n are defined in claim 1, can be used as components of...
4910309 Enrichment of optical of 2-(4-aryloxyphenoxy)-propionic acids by crystallization as hydrates  
The optical purity of an optically active 2-(4-aryloxyphenoxy)propionic acid is enriched by formation of the hydrate of the enantiomer in excess and its removal from solution.
4904677 Certain phenoxy- or benzyl substituted pyridylmethyloxy-alkenes having insecticidal properties  
A compound of the formula: CXYCH--CR 1 R 2 --CH 2 OCH 2 R wherein X and Y are each selected from hydrogen and halogen, R 1 and R 2 are each lower alkyl of up to four carbon atoms, or...
4904409 Optically active-1-(2-halogen-substituted-phenyl)-ethanol and its derivative  
An optically active compound having characteristics necessary for realizing liquid crystal compositions provided with suitable characteristics, particularly a negative temperature characteristic...
4898455 Pyridine liquid crystalline compounds  
There is described compounds of the formula ##STR1## wherein X stands for CH and Y stands for N or X stands for N and Y stands for CH; A 1 and A 2 signify single covalent bonds or one of the...
4897481 Process for the minimization of racemization in the preparation of optically active ((aryloxy)phenoxy)propionate herbicides  
One of the routes to prepare optically active 2-(4-aryloxyphenoxy)propionic acid ester herbicide is to couple optically active 2-(4-hydrophenoxy)propionic acid esters with halogenated aromatic or...
4888050 Fluorophenoxy compounds, herbicidal compositions and methods  
Certain novel fluorophenoxy compounds, principally aryloxyfluorophenoxyalkanoic acids and derivatives thereof, are described. More specifically, these novel compounds bear 1 to 4 fluorine...
4876026 Optically active-2-methylbutyrate and materials using the same  
An optically active-2-methylbutyrate capable of imparting a spontaneous polarization value to achiral smectic compositions and also constituting ferroelectric liquid crystal compositions exhibiting...
4876264 Pyridine derivatives and their use as fungicides  
Acrylic acid derivatives of the formula: ##STR1## an stereoisomers thereof wherein W is pyridyl or pyrimidinyl, A is oxygen or S(O) n where n is 0, 1 or 2; X, Y and X are, for example, hydrogen,...
4871751 1,2,6-Triphenyl-4(1H)-pyridinone derivatives, and their use as fungicides  
New substituted derivatives of 1,2,6-triphenyl-4(1H)-pyridone are now provided, which are useful as fungicidal agent having practically valuable and improved fungicidal activities against a variety...
4859687 Substituted 1,3-dioxolane compounds and their use as fungicides  
The described novel pyridine derivatives are those of the general formula I ##STR1## wherein R is hydrogen, C 1 -C 6 -alkyl, C 3 -C 6 -cycloalkyl, phenyl, benzyl, phenyl substituted by C 1 -C...
4851539 2,3-Difluoropyridine and 3-fluoro-2-pyridinyloxyphenol compounds  
Certain novel pyridinyloxyphenoxy alkanoic acids, pyridinylthiophenoxy alkanoic acids, derivatives thereof and related compounds are described. More specifically, these novel compounds bear a...
4849450 New arthropodicides  
Compounds with arthropodicidal activity having the general formula (I); ##STR1## wherein R 1 is a halo group; or a lower alkyl, lower alkoxy or lower alkylthio group, in each of which the alkyl...
Matches 101 - 150 out of 405 < 1 2 3 4 5 6 7 8 9 >