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5507974 |
Aromatic, substituted pyrimidine compounds, methods for the preparation thereof, and use thereof
Aromatic, substituted pyrimidine compounds, methods for the preparation thereof, and use thereof Compounds having a pyrimidine ring, of the formula (I) ##STR1## are suitable for nonlinear-optical...
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5508450 |
Benzopyran derivatives
Benzopyran derivatives which have an inhibitory effect on the Maillard reaction as well as an antioxidizing effect are described herein. These derivatives may be utilized in the treatment and/or...
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5506243 |
Sulfonamide derivatives
Since sulfonamide derivatives of the present invention show strong inhibitory activity against cysteine protease such as calpain papain, cathepsin B, cathepsin H, cathepsin L, they can be used as...
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5502065 |
Indole derivatives as 5-HT.sub.1 -like agonists
The present invention provides compounds of the formula: ##STR1## and pharmaceutically acceptable salts thereof.
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5502190 |
Process for the production of dialkyl pyrimidylphosphates
O,O-dialkyl pyrimidylphosphates are made by reacting an O,O-dialkyl phosphorohalothioate with a 5-hydroxypyrimidine in the presence of an imidazole phase transfer catalyst, an aromatic solvent and...
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5493024 |
3,4,N-trisubstituted-4,5-dihydro-1H-pyrazole-1-carboxamides and their use as insectioides
3,4,N-triaryl-4,5-dihydro-1H-pyrazole-1-carboxamide compounds having an aryl moiety in the 4-position that is an optionally substituted pyridinyl, pyrimidinyl, pyridazinyl, pyrazinyl, or quinolinyl...
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5491234 |
Pyrimidine derivatives for enhancing antitumor activity
2,4-diaminopyrimidine derivatives as potentiators of chemotherapeutic agents in the treatment of cancer.
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5486310 |
Liquid crystalline mixtures having a chiral tilted smectic phase
Optically active compounds of the formula ##STR1## wherein rings A, B and C each independently are unsubstituted or each are 1,4-phenylene substituted with at least one of halogen-, cyano-, methyl-...
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5482966 |
Oxime derivatives
The invention concerns oxime derivatives of the formula I ##STR1## wherein R 4 includes hydrogen, carboxy, carbamoyl, amino, cyano, trifluoromethyl, (1-4C)alkylamino, di-(1-4C)alkylamino and...
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5480580 |
Optically active compound having a δ-valerolactone ring and liquid crystal composition containing same
Optical active compounds which are chemically stable, are not colored, have a good optical stability, and which give a liquid crystal composition having a large spontaneous polarization when the...
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5474998 |
Arthropodicidal pyrazolines, pyrazolidines and hydrazines
Arthropodicidal pyrazoline, pyrazolidine and hydrazine compounds, including all their geometric and stereoisomers, agriculturally suitable salts thereof and compositions containing them; and a...
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5474705 |
Chiral liquid crystal compounds having a perfluoroether terminal portion
Fluorine-containing, chiral liquid crystal compounds comprise (a) an aliphatic fluorocarbon terminal portion containing at least two catenary ether oxygen atoms; (b) a chiral, aliphatic hydrocarbon...
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5468857 |
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 a specified...
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5468751 |
Aminopyrimidine derivatives as microbicides, insecticides and acaricides
Compounds of formula I ##STR1## where R 1 -R 5 , R 8 , R 13 , m and n are as defined herein. The novel compounds have valuable biocidal properties. They can be used in crop protection for...
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5462944 |
Fungicidal composition and method of combating fungi
Spiroheterocyclic compounds having fungicidal activity are disclosed having the formula: ##STR1## in which X is O or CH 2 ; R 1 is hydrogen or optionally substituted alkyl, cycloalkyl, haloalkyl,...
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5458806 |
Fluoromethyl ketones and liquid-crystalline media
Fluoromethyl ketones of the formula I ##STR1## are suitable as components of liquid-crystalline media wherein R is H, a substituted or unsubstituted alkyl or alkenyl radical having 1 to 15 carbon...
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5454975 |
Cyanophenylpyri (MI)dine derivatives and liquid-crystalline medium
Cyanopyrimidine derivatives of formula I ##STR1## in which R 1 is an unsubstituted or at least mono-halogen-substituted alkyl or alkoxy radical having 1 to 15 carbon atoms, where one or more CH 2 ...
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5449840 |
Cyclopropane derivative
A cyclopropane derivative of formula (I) ##STR1## wherein B 1 is a purine or pyrimidine residue, R 1 and R 2 are, independently, hydrogen or a protecting group for hydroxyl and each of k, m and...
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5447656 |
Meta-substituted aromatic compounds having six-membered rings, for use in liquid-crystal mixtures
Meta-substituted aromatic compounds having six-membered rings, for use in liquid-crystal mixtures Compounds of the formula I ##STR1## in which X is CH, CF or N, R 2 is, for example, an alkyl,...
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5447657 |
Liquid crystal compounds
The present invention provides compounds of the general formula: ##STR1## wherein R is an alkyl group with 1 to 12 carbon atoms or a group of the formula ##STR2## Ring A 1 is 1,4-phenylene, which...
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5443754 |
Pyridylpyrimidines, a process for their preparation and their use in liquid-crystalline mixtures
A pyridylpyrimidine compound of the formula (I) ##STR1## in which A is N and B is CH or A is CH and B is N C is N and D is CH or C is CH and D is N, R 1 is, for example, chiral or achiral...
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5439908 |
Diazinyl butyric acid amides and esters
Compounds of the formula ##STR1## wherein A is a substituted or unsubstituted, aromatic or non-aromatic, monocyclic or bicyclic, heterocyclic radical that is bonded by way of a carbon atom to X;...
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5440040 |
Pyrimidine intermediates
The present invention is directed to compounds of formula (I), ##STR1## wherein R 1 is OH, NH 2 ; R 2 is a heteroaromatic or aromatic substituent; R 3 is H, OH, F, OCH 3 ; R 4 is H, F, OH or...
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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 ,...
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5432181 |
Substituted heteroaryl analogs of 4,6-di-tertiary-butyl-5-hydroxy-1,3-pyrimidines useful as antiinflammatory agents
The present invention is novel compounds which are 4,6-di-tertiary-butyl-5-hydroxy-1,3-pyrimidine substituted 1,2,4- and 1,3,4-thiadiazoles and oxadiazoles, and 1,2,4-triazoles, and...
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5425897 |
Liquid-crystalline copolymer, process for the preparation of the same, diene compound used for the preparation of the same and process for the preparation of the diene compound
A liquid-crystalline copolymer comprising the repeating units represented by the following general formulas ##STR1## wherein each of r and p is an integer of 2 to 5, q is an integer of 0 to 3, m is...
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5422037 |
Ferroelectric liquid crystal compounds containing halogenated cores and chiral haloalkoxy tail units
The subject application discloses chiral nonracemic compositions of the general formula: ##STR1## wherein R 1 is an achiral tail of two to sixteen carbons; Ar is an achiral FLC core of at least...
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5420133 |
Quinazolinones substituted with phenoxyphenylacetic acid derivatives
Phenoxyphenylacetic acids and derivatives of general structural formula I ##STR1## have endothelin antagonist activity and are therefore useful in treating cardiovascular disorders, such as...
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5410057 |
1-heteroarylazetidines and -pyrrolidines
The present invention relates to new 1-heteroarylazetidines and new 1-heteroarylpyrrolidines endowed with 5-HT 3 agonist activity of formula (IV): ##STR1## The substituents A, R', R 1 and P, and...
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5407599 |
Cyclopropylaklyl or -alkenyl or heterocyclic compounds, process for their preparation and their use in liquid-crystalline mixtures
Disclosed and claimed are liquid-crystalline cyclopropylalkyl or -alkenyl or heterocyclic compounds, process for their preparation, and their use in liquid-crystalline mixtures. The novel...
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5405960 |
Triarylborane derivatives, their preparation and their use as synthesis intermediates
Triarylborane derivatives corresponding to the formula (1) ##STR1## in which R either represents a group --CR 1 R 2 R 3 where R 1 , R 2 and R 3 are each, independently of one another, a (C 1 ...
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5403845 |
Muscarinic agonists
Substituted 1,4,5,6 -tetrahydropyrimidine compositions, substituted 1,2,3,6 -tetrahydropyrimidine compositions and substituted 3,4,5,6 -tetrahydropyridine compositions are disclosed. They are...
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5401436 |
Optically active compound
An optically active compound of the formula (I): ##STR1## R is a halogen atom, a cyano group, an alkyl group having 1 to 18 carbon atoms, an alkoxy group having 1 to 18 carbon atoms, --R' or...
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5401763 |
Derivatives of arylacetic esters displaying high fungicidal activity
Arylacetic ester derivative-based compounds having the general formula (I): ##STR1##
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5399291 |
Liquid crystal compounds having a fluoroether terminal portion
Fluorine-containing, chiral and achiral liquid crystal compounds comprise (a) an aliphatic fluorocarbon terminal portion comprising a perfluorinated or partially-fluorinated alkylene group and a...
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5395553 |
Liquid crystalline compounds, liquid crystal compositions containing the same and use thereof
Liquid crystalline compounds having an optically active γ-lactone ring of the general formula (A): ##STR1## wherein R 1 is a group selected from the class consisting of ##STR2## n and e are each...
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5393458 |
Aromatic esters and liquid crystal mixtures containing same
Compounds of the general formula ##STR1## wherein R 1 signifies alkyl or alkenyl with 1 to 12 and, respectively, 2 to 12 carbon atoms, which is unsubstituted or mono- or multiply-substituted with...
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5393878 |
Bicyclic nucleosides, oligonucleotides, process for their preparation and intermediates
Compounds of the formula I in the form of the racemates or enantiomers thereof, ##STR1## in which R 1 and R 2 independently of one another are hydrogen or a protective group, and B is a purine or...
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5393459 |
Optically active compounds, and a liquid-crystalline phase
The invention relates to optically active compounds of the formula I ##STR1## in which R is an alkyl or alkenyl radical having up to 15 carbon atoms which is unsubstituted, monosubstituted by --CN...
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5389290 |
Nitrogen-containing heterocycles
Optically active nitrogen-containing heterocycles of the formula I according to claim 1 are suitable as components for ferroelectric liquid crystalline materials.
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5389663 |
1-(1h-1,2,4-triazole-yl)-2-propanol compounds
An azole compound represented by the formula (I): ##STR1## wherein X is a nitrogen atom; Ar is a phenyl group substituted by halogen or a halogenated C 1 -4 alkyl group; R 1 and R 2 independently...
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5384070 |
Use of optically active tetrahydrofuran-2-carboxylic acid esters as dopants in liquid-crystal mixtures, liquid-crystal mixtures containing same and novel optically active tetrahydrofuran-2-carboxylic acid esters
The use of optically active tetrahydrofuran-2-carboxylic acid esters as dopants in liquid-crystal mixtures, liquid-crystal mixtures containing same and novel optically active...
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5380462 |
Cyclohexyl alkenoate compounds
Compounds having the Formula: ##STR1## wherein R 1 denotes an alkenyl group; A 1 and A 2 each independently represent 1,4-phenylene, which is unsubstituted or substituted with halogen and in...
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5380460 |
Ferroelectric liquid crystal compounds containing chiral haloalkoxy tail units and compositions containing them
Chiral, nonracemic compounds of the general formula: ##STR1## wherein m and n are either both zero, both equal one or n is equal to one and m is equal to zero, X and Y and Z are halogens, R' is an...
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5378839 |
Insecticidal, acaricidal and molluscicidal 1-(subsituted)thioalkylpyrroles
There are provided 1-(substituted)thioalkylpyrrole compounds of formula I ##STR1## the use thereof for the control of insect, acarid and mollusk pests and methods and compositions for the...
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5378711 |
α-arylacrylates substituted by a heterocyclic radical, and fungicides which contain these compounds
α-Arylacrylates substituted by a heterocyclic radical and of the general formula I ##STR1## where R 1 is alkoxy or alkylthio, R 2 is alkyl, Het is quinolyl, which is unsubstituted or...
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5378394 |
Ferroelectric liquid-crystalline mixtures
The novel ferroelectric liquid-crystalline mixtures are based on at least two mixture components of the general formula (I) ##STR1## but additionally contain at least one optically active dope from...
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5374639 |
Benzotriazolesulfonic acid derivatives as microbicides
Benzotriazolesulfonic acid derivatives of formula I ##STR1## wherein R 3 =R 4 X and R 4 is an unsaturated 6-membered heterocycle having a maximum of 2 nitrogen atoms, it being possible for the...
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5370823 |
Pyrimidinecyclohexane derivatives, process for their preparation, and their use in liquid-crystalline mixtures
A liquid-crystalline bispyrimidinylcyclohexane of the formula (I) ##STR1## in which: R 1 and R 2 are identical or different and are, for example, straight-chain or branched alkyl, X 1 and X 2...
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5370819 |
Conjugated enyne derivative and liquid crystal composition
A novel, conjugated enyne compound expressed by the following formula (I), which has superior characteristics as an L.C. material and is stable under a usually used environment, and a L.C....
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