Matches 51 - 100 out of 405 < 1 2 3 4 5 6 7 8 9 >
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5639887 MDR reversal agents  
Compounds of the general formula: ##STR1## wherein R 1 , R 2 , R 3 , R 4 and R 5 are herein described, A is a straight or branched (C 2 -C 12 )alkyl or a phenyl moiety and B is a moiety of the...
5585327 4-substituted pyridyl-3-carbinol compositions and a co-herbicide  
4-substituted pyridyl-3-carbinols of the formula ##STR1## wherein R is hydrogen, or an acyl, alkyl or carbamyl group exhibit desirable preemergent and postemergent herbicidal activity. Also...
5580868 Pyridyloxy-acrylic acid esters  
Novel pyridyloxy-acrylic acid esters of the formula ##STR1## in which Ar represents optionally substituted aryl or represents optionally substituted heteroaryl, a process for preparing the novel...
5573999 β-substituted cinnamic acid derivative  
β-Substituted cinnamic acid derivatives of the formula 1, ##STR1## where R 1 is alkyl, chlorine or bromine, --X-- is --O--, --S--, ##STR2## m is 0 or 1, --Y is --OR 4 , --O--NCR 5 R 6 , --NR...
5550236 Process for cross-coupling aromatic boronic acids with aromatic halogen compounds or perfluoroalkylsulfonates  
A process for preparing polycyclic aromatic compounds by cross-coupling aromatic boronic acids with aromatic halogen compounds or perfluoroalkylsulfonates in the presence of metallic palladium, if...
5534188 Acetylene derivatives, process for producing the same, liquid crystal composition containing the same as an active ingredient, and liquid crystal element using said liquid crystal composition  
An acetylene derivative represented by general formula (I): ##STR1## wherein R 1 is saturated or unsaturated alkyl group having 3-20 carbon atoms, R 2 is saturated or unsaturated alkyl group...
5530015 Dihaloprene compound, insecticide/acaricide containing said dihalopropene compound as active ingredient, and intermediate compound for use in production of said dihalopropene compound  
There is disclosed a dihalopropene compound of the formula I: ##STR1## wherein l is an integer of 1 to 5; m is an integer of 1 to 4; R 1 's and R 2 's are the same or different and are...
5527827 Bisarylcarbinol cinnamic acids as inhibitors of leukotriene biosynthesis  
Compounds having the Formula I: R 1 R 2 C(OR 3 )--Ar 1 --X--Ar 2 --C(Ar 3 )CHCO 2 H I are inhibitors of leukotriene biosynthesis. These compounds are useful as...
5506227 Pyridine-substituted benzyl alcohols as leukotriene antagonists  
Compounds having the formula I: ##STR1## are antagonists of the actions of leukotrienes. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents....
5500429 Calcium uptake inhibitors  
This invention relates to 1-aryl-3-pyridinyl-2-propene-1-ones, the use of these compounds as calcium uptake inhibitors in leukocytes and thrombocytes, and pharmaceutical compositions containing...
5496844 Indole derivatives  
The present invention provides indole derivatives of the general formula: ##STR1## The indole derivatives of the invention have potent antiestrogen activity and are useful as drugs for the...
5438059 Certain acrylates having fungicidal activity  
Fungicidal compounds of the formula (I): ##STR1## and stereoisomers thereof, wherein R 1 is optionally substituted aryl or optionally substituted heteroaryl; Y is oxygen, sulphur or NR 4 ; R 2 ,...
5434267 Process for the preparation of substituted 3-alkoxyacrylates  
Process for the preparation of compounds of the formula (I) ##STR1## in which R 1 , R 2 , R 3 , X and n have the meaning given in the description, by reacting acetates with carbon monoxide in the...
5399566 Pyridine derivatives having angiotensin II antagonism  
The invention provides compounds represented by the following formula (I) ##STR1## or a pharmaceutically acceptable salts thereof wherein A represents ##STR2## B represents a carboxy or tetrazolyl...
5389651 Nitrogen-containing heterocyclyl-oxy and -thio compounds useful as pesticides  
Compounds of the formula ##STR1## wherein R is hydrogen; C 1 -8 alkyl; C 2 -8 alkenyl; C 3 -8 alkadienyl; C 2 -8 alkynyl; C 4 -8 alkadiynyl; C 2 -10 (alkoxyalkyl); C 2 2 -10 (alkylthioalkyl); C 3...
5342941 Naphthalene derivatives, processes for preparing the same, and synthetic intermediates therefor  
Naphthalene derivative of the formula [I]: ##STR1## wherein R 1 and R 2 are the same or different and are hydrogen atom, hydroxy group, cyclo-lower alkyloxy group, substituted or unsubstituted...
5318946 2-(heteroaryloxyphenoxy)alkylsulfonates useful as herbicidal agents  
2-(Heteroaryloxyphenoxy)alkylsulfonate compounds which are effective for the selective control of grass weed species in the presence of crops are described. Also described are a method for the...
5308826 Herbicidal 4-substituted pyridyl-3-carbinols  
4-substituted pyridyl-3-carbinols of the formula ##STR1## wherein R is hydrogen, or an acyl, alkyl or carbamyl group exhibit desirable preemergent and postemergent herbicidal activity. Also...
5304532 Herbicidal compounds  
Compounds of the formula ##STR1## wherein X 1 , X 2 and X 3 each independently represents hydrogen, halogen or alkyl; n is 0 or 1; Z represents hydrogen or halogen or an amino, alkyl, haloalkyl,...
5304565 Nitrogen containing heterocyclic compounds, their production and use  
Nitrogen-containing heterocyclic compounds of the formula (I): ##STR1## wherein Y is N or CH; R 1 , which may be optionally bound through a hetero atom, is a hydrocarbon residue which may be...
5290478 Optically active compounds  
Optically active compounds having the following formulae (1), (2) or (3) ##STR1## wherein R and R' are C 1 -20 alkyl groups; X and Y 1 are --, O, S, or divalent groups such as COO, OOC and OCOO; m...
5284971 4-(3-cyclohexyl-4-hydroxy or-methoxy phenylsulfonyl) 3,5 dibromo phenyl acetic thyromimetic cholesterol-lowering agents  
Compounds of general formula (I) ##STR1## wherein R 1 is (CH 2 ) n ((CHNR 7 R 8 ) m C(O)R 9 ; n=1-3; and m=0 or 1; R 3 and R 5 are independently Cl, Br, I, or CH 3 ; R 7 and R 8 are...
5274100 Process for the preparation of (3-fluoropyridin-2-yloxy)phenoxypropionic acids  
(3-Fluoropyridin-2-yloxy)phenoxypropionic acids of formula I ##STR1## wherein X is hydrogen, fluoro, chloro, bromo or trifluoromethyl and Y is hydrogen, sodium or potassium, are prepared by...
5264579 D ring intermediates for the synthesis of camptothecin and camptothecin analogs  
Processes for making compounds of Formulae XIV, XV, and XVII ##STR1## wherein R 6 is lower alkyl, R 7 is lower alkyl, R is lower alkyl, Y is H, F or Cl, R 8 is a compound of Formula ##STR2##...
5258521 Process of producing optically active propionic acid ester derivatives  
Processes for producing optically active ester derivatives are disclosed. According to the present invention an optically active aryloxyphenoxy propionate derivative is produced by reacting a...
5254690 Alkoxymethylpyridine d-ring intermediates useful for the synthesis of camptpthecin and camptothecin analogs  
Compounds of Formula I ##STR1## are made in accordance with the following scheme: ##STR2## wherein R may be loweralkyl; R 1 may be H, loweralkyl, loweralkoxy, or halo; R 2 , R 3 , R 4 , and R 5 ...
5248780 Pyridyl substituted alkenoic acid derivatives  
The invention concerns novel, pharmaceutically useful 1,3-dioxane alkenoic acid derivatives of the formula I containing a pyridyl moiety at position 4 of the dioxane ring and in which the groups at...
5238908 Herbicidal glutaramic acids and derivatives  
This invention relates to glutaramic acids and derivatives exhibiting herbicidal activity having the structure ##STR1## wherein A is a carboxylic acid or a derivative thereof, D is CH or N, and R,...
5234895 Arylpyridone herbicides  
Compounds having the formula ##STR1## in which: R 1 is hydrogen or fluoro; R 2 is halo, trihalomethyl, pentahaloethyl, mono- or difluoromethyl, di-, tri- or tetrafluoroethyl, C 1 -C 2 ...
5234894 Carbonyl acetonitrile derivative and herbicide containing it as an active component  
A cyanoketone derivative of the following formula (1) ##STR1## wherein A 1 is a substituted or unsubstituted phenyl or naphthyl group or a substituted or unsubstituted heterocyclic group; each...
5229393 Fungicidal alpha substituted acrylates  
Compounds of formula (I): ##STR1## and stereoisomers thereof, wherein V is an oxygen or a sulphur atom; X and Y, which may be the same or different, are hydrogen or halogen atoms, or optionally...
5225550 Process for the preparation of substituted acyclic nucleosides, and intermediates occurring therein  
It is possible, by using symmetrical formaldehyde acetals of the formula ##STR1## in which the substituents R 1 -R 3 have the specified meanings, advantageously to introduce the substituent...
5223518 1-phenyl-3-aryl-2-propyne-1-one useful as calcium uptake inhibitors  
This invention relates to 1-phenyl-3-aryl-2-propyne-1-ones, the use of these compounds as calcium uptake inhibitors in leukocytes and thrombocytes, and pharmaceutical compositions containing these...
5216169 3-hydroxypyridineazomethine dye  
A 3-hydroxypyridineazomethine dye represented by general formula (I) ##STR1## wherein R 1 represents an aliphatic group, an aromatic group, or a heterocyclic group; R 2 represents an aliphatic...
5212317 Methods and intermediates for the assymmetric synthesis of camptothecin and camptothecin analogs  
Processes for making compounds of Formulae XIV, XV, and XVII ##STR1## wherein R 6 is lower alkyl, R 7 is lower alkyl, R is lower alkyl, Y is H, F or Cl, R 8 is a moiety of Formula XVIII ##STR2##...
5207819 Phenoxypropionic acid ester derivatives  
Disclosed is a novel compound of the formula [I]: ##STR1## (wherein R 1 is H or CH 3 , R 2 is H or C 1 -C 4 alkyl), furylmethyl group, tetrahydrofuryl group 2-tetrahydropyranylmethyl group or...
5205855 Herbicidally active phenoxyalkanecarboxylic acid derivatives  
A compound of the formula: ##STR1## wherein Q 1 is CH or N; R is H or C 1 -C 5 alkyl; X is H, halogen, CF 3 , or NO 2 ; Y is H or halogen; Z is --O-- or --NH--; A is ##STR2## wherein Q 2 , and...
5204476 Fluorophenylpyridines  
The invention relates to fluorophenylpyridines of the formula I: ##STR1## where R 1 and R 2 are substituted and unsubstituted monovalent organic radicals.
5204477 Pyridine derivatives in liquid crystalline medium useful for electrooptical display elements  
The invention relates to pyridine derivatives of the formula I ##STR1## wherein R 1 , A, Z, r, X, s and R 2 have the meaning given in claim 1, and their use as components for liquid crystal media...
5200524 Camptothecin intermediates and method of making same  
Compounds of Formula I ##STR1## are made in accordance with the following scheme: ##STR2## wherein R may be loweralkyl; R 1 may be H, loweralkyl, loweralkoxy, or halo; R 2 , R 3 , R 4 , and R 5 ...
5198439 Angiotension II antagonizing pyridine derivatives  
The invention concerns pharmaceutically useful novel compounds of the formula I, in which R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , X and Z have the various meanings defined herein, and their...
5198444 Methyl α-(2-substituted)pyrid-3-yl-β-methoxyacrylates, compositions containing them and their use as fungicides  
Fungicidal compounds of the formula (I): ##STR1## and stereoisomers thereof, wherein K is oxygen or sulphur; Z is optionally substituted aryl or optionally substituted heteroaryl; X is O, S(O) n ,...
5189165 Process for the preparation of 1,1-disubstituted cyclopropane derivatives  
A process for preparing a compound I ##STR1## with A=t-butyl, aryl and R=alkyl, alkenyl, alkynyl, alkenynyl, cycloalkyl(alkyl), aryl, arylalkyl, alkyl-S-(-O)-aryl by reacting a compound III...
5187176 1-phenyl substituted pyrimidone derivatives  
Phenyl substituted heterocyclic compounds having insecticidal activity have the formula (I): ##STR1## wherein R 1 is an optionally substituted pyridone, thiopyridone, pyrimidinthione,...
5151428 Pyridine derivatives and their compositions for the control of insect pests  
A pyridine derivative of the formula: ##STR1## wherein R 1 is, the same or different, each a hydrogen atom, a halogen atom, a C 1 -C 4 alkyl group, a C 1 -C 4 haloalkyl group, a C 1 -C 3 ...
5134066 Improved probes using nucleosides containing 3-dezauracil analogs  
The deazauracil containing probes of the invention are able to withstand higher temperatures, thereby allowing unmatched probes and mismatched probes to be washed off at higher hybridization...
5132312 Substituted cyclohexene derivatives as HMG-CoA reductase inhibitors  
Disclosed are novel 3-hydroxy-3-methylglutarylcoenzyme A reductase inhibitors useful as antihypercholesterolemic agents represented by the formula ##STR1## and the corresponding ring-opened hydroxy...
5120869 Herbicidal compounds  
A herbicidal compound of formula (I): ##STR1## wherein X is O, S(O) n or NR a where R a is H or alkyl and n is 0, 1 or 2; R 1 is H or halo; R 2 is N or CR 3 where R 3 is halo or NO 2 ...
5110943 Certain phenoxy (or 5-trifluoromethyl-pyridyl-oxy)-phenoxy-2-yl-propane derivatives  
The R-enantiomer of a compound of formula I: ##STR1## where Z is an optionally substituted cyclic organic moiety and C* represents an optically active carbon atom, may be prepared by supplying a...
5103007 Lipids  
Lipid derivatives represented by the formula: ##STR1## wherein R 1 stands for an optionally substituted higher alkyl group, R 2 stands for an optionally substituted lower alkyl group or an...
Matches 51 - 100 out of 405 < 1 2 3 4 5 6 7 8 9 >