Abstract: The present invention relates to compounds of formula I which are 4-hydroxy-benzopyran-2-ones and 4-hydroxy-cycloalkyl?b!pyran-2-ones useful for inhibiting a retrovirus in a mammalian cell infected with said retrovirus. ##STR1## Wherein R.sub.10 and R.sub.

Abstract: Sulfonamides and pharmaceutical compositions containing the compounds useful in controlling intraocular pressure are disclosed. Methods for controlling intraocular pressure through administration of the compositions are also disclosed.

Abstract: Compounds of formula I ##STR1## in which R.sup.1 and R.sup.2 are, for example, an alkyl chain,A is a mesogenic group, andM is a spacer group,are highly suitable as components of liquid-crystal mixtures.

Abstract: The invention relates to new labelled fibrinogen receptor antagonists which have an affinity for the receptor which is comparable to or greater than that of .sup.125 I-fibrinogen and whose binding is not disrupted by foreign proteins.

Abstract: The present invention relates to a chromone derivative and an aldose reductase inhibitor comprising said compound as efective component, which is represented by the following formula: ##STR1## wherein R.sub.1 and R.sub.2 each represent a lower alkyl group, etc., R.sub.3 represents an oxygen atom, a sulfur atom, etc., R.sub.7 represents a phenyl group substituted or not substituted, etc., and R represents a hydrogen atom or a lower alkoxy group. The present compounds exhibit superior inhititory action on aldose reductase and are useful for the treatment of various complications of diseases in diabetes, such as cataract, retinopathy, keratopathy, nephropathy, and neuropathy.

Abstract: An optically active compound derived from a novel trifluorolactic acid, useful as a component of a ferroelectric liquid crystal composition, and a liquid crystal composition. A compound represented by general formula (I), wherein R.sup.1 represents C.sub.1 to C.sub.18 alkyl, alkoxy, C.sub.2 to C.sub.18 alkanoyl, alkanoyloxy or alkoxycarbonyl; R.sup.2 represents optionally alkoxy-substituted alkyl (where the total number of the carbon atoms is 1 to 15); A, B and C represent each independently the group (a) or (b); v and w represent each independently --COO--, --OCO--, --CH.sub.2 O--, --OCH.sub.2 --, --CH.sub.2 --CH.sub.2 --, --CH.dbd.CH--, --C.dbd.C-- or a single bond; and x and y together represent any of the following combinations: --COO-- and --COO--; --COO-- and --CO--; --COO-- and --CH.sub.2 O--; --COO-- and --CH.sub.2 OCO--; --COO-- and --CH.sub.2 OCOO--; --O-- and --CH.sub.2 O--; --O-- and --CH.sub.2 OCO--; and --O-- and --CH.sub.2 OCOO--.

Abstract: 6-Thiadiazole-4-1-amino-1,2,2a,3,4,5-hexahydrobenz[c-d]indoles are provided which are useful in modifying the function of serotonin in mammals.

Abstract: Described herein are compounds of the formula; ##STR1## wherein: Thi is a unsubstituted or substituted thiadiazolyl;Y is an alkylene bridge of 3-9 carbon atoms;R.sub.1 and R.sub.2 are each independently chosen from hydrogen, halo, alkyl, alkenyl, amino, alkylthio, hydroxy, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkylsulfinylalkyl, alkylsulfonylalkyl, alkoxy, nitro, carboxy, alkoxylcarbonyl, dialkylaminoalkyl, alkylaminoalkyl, aminoalkyl, difluoromethyl, trifluoromethyl or cyano;R.sub.3 is alkoxycarbonyl, substituted or unsubstituted phenyl, alkyltetrazolyl or a substituted or unsubstituted imidazolyl, dihydroimidazolyl, pyrazolyl, furyl, thiazolyl or thienyl or a pharmaceutically acceptable salt thereof are effective antipicornaviral agents.

Abstract: Compounds of the formula ##STR1## wherein the substituents are as defined herein, are disclosed. Pharmaceutical compositions and methods of treating allergic and inflammatory diseases are also taught.

Abstract: Compounds of the formula I ##STR1## where the index and the substituents have the following meanings as defined in the specification.

Abstract: Compounds of formula (D having herbicidal utility are disclosed; ##STR1## wherein Q is a variety of heteroaromatic groups; X is a single bond; O; S; or NR.sup.4 ; R.sup.1 is C.sub.1 -C.sub.5 alkyl optionally substituted with C.sub.1 -C.sub.2 alkoxy, OH, 1-3 halogens, or C.sub.1 -C.sub.2 alkylthio; CH.sub.2 (C.sub.3 -C.sub.4 cycloalkyl); C.sub.3 -C.sub.4 cycloalkyl optionally substituted with 1-3 methyl groups; C.sub.2 -C.sub.4 alkenyl; or C.sub.2 -C.sub.4 haloalkenyl; R.sup.2 is H; chlorine; bromine; C.sub.1 -C.sub.2 alkyl; C.sub.1 -C.sub.2 alkoxy; C.sub.1 -C.sub.2 alkylthio; C.sub.2 -C.sub.3 alkoxyalkyl; C.sub.1 -C.sub.2 alkylthioalkyl; cyano; nitro; NH(C.sub.1 -C.sub.2 alkyl); or N(C.sub.1 -C.sub.2 alkyl).sub.2 ; R.sup.4 is H; CH.sub.3 ; or OCH.sub.3 ; and agriculturally suitable salts thereof.

Abstract: Compounds having the formula (I): ##STR1## and stereoisomers thereof, wherein A is hydrogen, halo, hydroxy, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 haloalkyl, C.sub.1-4 haloalkoxy, C.sub.1-4 alkylcarbonyl, C.sub.1-4 alkoxycarbonyl, phenoxy, nitro or cyano; R.sup.1 and R.sup.2, which may be the same or different, are hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted heterocyclylalkyl, optionally substituted cycloalkylalkyl, optionally substituted aralkyl, optionally substituted heteroarylalkyl, optionally substituted aryloxyalkyl, optionally substituted heteroaryloxyalkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted alkoxy, optionally substituted aryl, optionally substituted heteroaryl, optionally substituted aryloxy, optionally substituted heteroaryloxy, nitro, halo, cyano, --NR.sup.3 R.sup.4, --CO.sub.2 R.sup.3, --CONR.sup.3 R.sup.4, --COR.sup.3, --S(O).sub.n R.sup.3 wherein n is 0, 1 or 2, (CH.sub.2).sub.m PO(OR.

Abstract: A homogenous product is formed by heating at a temperature in the range of from 50.degree. to 150.degree. C. a mixture of a benzotriazole and a 2,5-dihydrocarbyldithio-1,3,4-thiadiazole.

Abstract: The present invention relates to certain substituted oxadiazole, thiadiazole and triazole peptoids which are useful as inhibitors of serine proteases including human neutrophil elastase, equivalently known as human leukocyte elastase.

Abstract: Novel compounds of Formula (I) ##STR1## where X.sub.4 is a substituted cyclohexane or cyclohexane group and the other radicals are defined herein. These compounds inhibit the production of Tumor Necrosis Factor and are useful in the treatment of disease states mediated or exacerbated by TNF production. The compounds of the present invention are also useful in the mediation or inhibition of enzymatic or catalytic activity of phosphodiesterase IV and are therefore useful in the treatment of disease states in need of mediation or inhibition thereof.

Abstract: Novel compounds or formula (I) are described herein. These compounds inhibit the production of Tumor Necrosis Factor and are useful in the treatment of disease states mediated or exacerbated by TNF production. The compounds or the present invention are also useful in the mediation or inhibition of enzymatic or catalytic activity of phosphodiesterase IV and are therefore useful in the treatment of disease states in need of mediation or inhibition therefore.

Abstract: Novel 2-substituted saccharins which inhibit the enzymatic activity of proteolytic enzymes, are useful in the treatment of degenerative diseases and have the formula ##STR1## wherein: L is --O--, --S--, --SO--or --SO.sub.2 --;m and n are each independently 0 or 1;R.sub.1 is halo, lower-alkanoyl, 1-oxophenalenyl, phenyl or substituted phenyl, heterocyclyl or substituted heterocyclyl or, when L is --O-- and n is 1, cycloheptatrienon-2-yl or, when L is --S-- and n is 1, cyano or lower-alkoxythiocarbonyl or, when L is --SO.sub.2 -- and n is 1, lower-alkyl or trifluoromethyl; R.sub.2 is hydrogen, lower-alkoxycarbonyl, phenyl or phenylthio; andR.sub.3 and R.sub.4 are each hydrogen or various substituents and processes for preparation and pharmaceutical compositions and method of use thereof are disclosed.

Abstract: Novel herbicidal compounds of the general formula I ##STR1## wherein X represents an oxygen or sulphur atom; A represents an optionally substituted alkyl, alkenyl, cycloalkyl, cycloalkenyl, dialkylamino, aryl, heteroaryl, aralkyl or heteroalkyl group; R.sup.1 represents a hydrogen atom, an optionally substituted alkyl group or an optionally substituted acyl group; and R.sup.2 represents an optionally substituted aralkyl or heteroaralkyl group; together with their preparation, formulation and use.

Abstract: A mesomorphic compound of the formula (I) according to claim 1 is suitable as a component for a liquid crystal composition providing improved response speed and decreased. The mesomorphic compound of the formula (I) is characterized by having at least one terminal cyclic group free from a side chain and also having a core structure including at least one group ##STR1## The above liquid crystal composition is useful as an element of a liquid crystal device and a display apparatus providing a good display characteristics.

Abstract: This invention provides chiral nonracemic compounds of general formula I which are useful as components of FLC compositions in SSFLC and DHFLC devices: ##STR1## wherein Z is a C.dbd.O group or a CH.sub.2 group, R.sub.F is a partially or fully fluorinated alkyl or alkenyl group, R.sub.2 is selected from an alkyl, alkenyl or alkynyl group in which one or more CH.sub.2 groups can optionally be substituted with one or two halogen atoms or in which one or more non-neighboring CH.sub.2 can be replaced with an O, S or an alkyl silyl group, S.sub.1 (R.sub.A)(R.sub.B), in which R.sub.A and R.sub.B, independently of one another, are small alkyl or alkenyl groups having from one to six carbon atoms, * indicates the chiral carbon and where Ar can be a one, two, or three aromatic ring LC core moieties. In particular, the core can have one to three, aromatic rings which are optionally linked by linking groups including O, S, CH.sub.2 S, SCH.sub.2, CH.sub.2 CH.sub.2, CH.sub.2 O, OCH.sub.2, CH.sub.2 CO.sub.2, CH.sub.

Abstract: .beta.-Substituted cinnamic acid derivatives of the formula 1, ##STR1## where R.sup.1 is alkyl, chlorine or bromine, --X-- is --O--, --S--, ##STR2## m is 0 or 1, --Y is --OR.sup.4, --O--N.dbd.CR.sup.5 R.sup.6, --NR.sup.7 R.sup.8, --N(OR.sup.9)R.sup.10 or --SR.sup.11, where the above-mentioned substituents R.sup.2 to R.sup.11 are alkyl, and R.sup.2, and R.sup.3 and R.sup.5 to R.sup.11 can also be hydrogen,Z is halogen, nitro, cyano, alkyl, cycloalkyl, aralkyl, aryloxyalkyl, arylthioalkyl, hetarylalkyl, hetaryloxyalkyl, hetarylthioalkyl, alkenyl, aralkenyl, aryloxyalkenyl, arylthioalkenyl, hetarylalkenyl, hetaryloxyalkenyl, hetarylthioalkenyl, alkynyl, arylalkynyl, hetarylalkynyl, aryl, hetaryl, arylazo, acylamino, --OR.sup.12, --SR.sup.13, --SOR.sup.14, --SO.sub.2 R.sup.15, --COOR.sup.16, --CONR.sup.17 R.sup.18, --COR.sup.19, --CR.sup.20 .dbd.NR.sup.21, --N.dbd.CR.sup.22, R.sup.23, --CR.sup.24 .dbd.N--OR.sup.25, --CR.sup.25 R.sup.26 --O--, N.dbd.CR.sup.27 R.sup.28, --CH.sub.2 --OCOR.sup.39 or --NR.sup.37 R.

Abstract: The invention pertains to heterocycle substituted phenoxyalkylheterocycles of the formula ##STR1## wherein Thi, Y, R.sub.1, R.sub.2 and R.sub.3 are as defined in the specification, or a pharmaceutically acceptable salt thereof which are effective antipicornaviral agents.

Abstract: Compounds of formula (I), and salts and prodrugs thereof, wherein Q is optionally substituted phenyl or benzhydryl; X and Y are each H or together form a group=O; Z is O, S or NR.sup.9, where R.sup.9 is H or C.sub.1-6 alkyl; R.sup.1 represents H or C.sub.1-6 alkyl; R.sup.2 represents C.sub.1-6 alkyl substituted by CONR.sup.7 (CH.sub.2).sub.p R.sup.8 (where R.sup.7 is H or C.sub.1-6 alkyl, R.sup.8 is optionally substituted heteroaryl and p is 0, 1, 2, 3, 4, 5 or 6); R.sup.3 represents H, C.sub.1-6 alkyl or C.sub.2-6 alkynyl; R.sup.4 represents H, C.sub.1-6 alkyl or optionally substitute phenyl; R.sup.5 represents optionally substituted phenyl; R.sup.6 is H or C.sub.1-6 alkyl; and q is 0, 1, 2 or 3; are tachykinin antagonists useful in therapy.

Abstract: Novel compounds of Formula (I) ##STR1## where X.sub.4 is a substituted cyclohexane or cyclohexane group and the other radicals are defined herein. These compounds inhibit the production of Tumor Necrosis Factor and are useful in the treatment of disease states mediated or exacerbated by TNF production. The compounds of the present invention are also useful in the mediation or inhibition of enzymatic or catalytic activity of phosphodiesterase IV and are therefore useful in the treatment of disease states in need of mediation or inhibition thereof.

Abstract: This invention relates to substituted dihydropyridazinones, pyridazinones and related compounds, of the formula ##STR1## wherein A, Q, D and R.sup.1 are as defined within, compositions containing these compounds and methods of controlling agricultural and mammalian fungal diseases.

Abstract: A description follows of oxa(thia)diazol- and triazol-ones(thiones), with a iticide and insecticide activity, having the general formula ##STR1## wherein: Y=0, S; Z=0, S, NCH.sub.3, one of the two substituents P and Q is an ortho-substituted phenyl and the other a substituted benzyl.

Abstract: Compounds of the formula ##STR1## wherein X is O or S;Y is O or S;R.sup.1 is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy;R.sup.2 is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkenyl, C.sub.2 -C.sub.4 alkenyloxy, C.sub.2 -C.sub.4 alkynyl, C.sub.2 -C.sub.4 alkynyloxy, mono-, di- or tri-halomethyl, trifluoromethoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.3 -C.sub.4 branched alkylthio, nitro, or cyano;R.sup.3 is hydrogen, halogen, methyl, mono-, di- or tri-halomethyl;R.sup.4 isa) C.sub.3 -C.sub.8 cycloalkyl substituted by one or more C.sub.1 -C.sub.4 alkyl, preferably one or two methyl;orb) ##STR2## wherein R.sup.6 and R.sup.7 are independently, hydrogen or linear or branched, C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkenyl, or C.sub.2 -C.sub.4 alkynyl, and R.sup.8 is C.sub.3 -C.sub.8 cycloalkyl substituted by one or more C.sub.1 -C.sub.4 alkyl; andR.sup.5 is an acyclic or cyclic side chain as defined herein.

Abstract: The chiral group of the formula ##STR1## is used as a constituent of liquid-crystalline compounds.

Abstract: The present invention relates to therapeutically active heterocyclic compounds, a method of preparing the same and to pharmaceutical compositions comprising the compounds. The novel compounds are useful in treating diseases in the central nervous system related to the metabotropic glutamate receptor system.

Abstract: There are provided substituted benzisoxazole and benzisothiazole compounds having the structural formula I ##STR1## Further provided are compositions and methods comprising those compounds for the control of undesirable plant species.

Abstract: Disclosed herein are compounds and pharmaceutical compositions useful for combating picornaviruses and preventing or treating picornaviral infections. The compounds have the formula: ##STR1## wherein Het.sub.1 is chosen from the group consisting of oxazolyl, isoxazolyl, oxadiazolyl;Y is an alkylene bridge of 3 to 9 carbon atoms;Het.sub.2 is benzofuranyl or indolyl;R.sub.1 and R.sub.2 are each independently chosen from hydrogen, halo, acetyl, alkyl, alkenyl, amino, alkylthio, hydroxy, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkylsulfinyl alkyl, alkylsulfonylalkyl, alkoxy, nitro, carboxy, alkoxycarbonyl, dialkylaminoalkyl, alkylaminoalkyl, aminoalkyl, difluoromethyl, trifluromethyl, or cyano; andR.sub.3 is oxazolyl, oxadiazolyl, isoxazolyl or any of these substituted with alkyl, halo, alkoxyalkyl, cycloalkyl, haloalkyl, hydroxyalkyl, alkoxy, hydroxy, furyl, thienyl, or fluoroalkyl;the N-oxide thereof or a pharmaceutically acceptable acid addition salt thereof.

Abstract: A process for the preparation of a 1-substituted-5(4H)-tetrazolinone of the formula ##STR1## wherein R.sub.1 is defined in the specificationn is 0, 1, 2, 3 or 4,which comprises reacting a 1-substituted-5(4H)-tetrazolinethione of the formula ##STR2## with an ethylene oxide of the formula ##STR3## wherein R.sup.2 represents hydrogen, methyl or ethyl,in the presence of a base and in the presence of water, an alcohol or a mixture thereof.

Abstract: This invention relates to a compound represented by the formula ##STR1## wherein the ring A stands for a 5-10 membered aromatic heterocyclic group optionally having, besides R.sup.1 and R.sup.2, further substituents; R.sup.1 stands for an optionally substituted hydrocarbon residue which is optionally bonded through a hetero-atom; R.sup.2 stands for a group capable of liberating proton in a living body or a group convertible thereinto; R.sup.

Abstract: A new nitro compound of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are each lower alkyl or lower alkoxy(lower)alkyl, or ##STR2## is cyclized to form ##STR3## X is --O--, --S-- or --NH--, m is an integer 0 or 1, andR.sup.3 is carbamoyl, lower alkylcarbamoyl, lower alkanoyl, di-lower alkylaminosulfonyl, lower alkylsulfonyl, oxamoyl or a group of the formula: --(Y).sub.n --R.sup.4whereinY is --CO--, --SO.sub.2 --, --COCH.sub.2 -- or ##STR4## n is an integer of 0 or 1, and R.sup.4 is heterocyclic group which is optionally substituted with one or more substituents selected from lower alkyl, lower alkoxy, phenyl, carbamoyl, halogen, amino, lower alkylthio, hydroxy, lower alkylsulfonylamino and carbamoylmethyl, and pharmaceutically acceptable salt thereof, which are useful as vasodilators.

Abstract: 2-Heterocyclyloxymethyl and 2-heterocyclylthiomethyL-1,2,5-thiadiazolidin-3-one 1,1-dioxides, pharmaceutical compositions containing them and methods for the treatment of degenerative diseases utilizing them.

Abstract: An insecticidal composition containing a guanidine derivative of the formula: ##STR1## wherein R.sup.1 is an optionally substituted homocyclic or heterocyclic group, n is 0 or 1, R.sup.2 is a hydrogen atom or an optionally substituted hydrocarbon group, R.sup.3 is a primary, secondary or tertiary amino group, X is an electron attractive group such as nitro or trifluoroacetyl group, provided that when n is 0, R.sup.1 is an optionally substituted heterocyclic group or a salt thereof.

Abstract: The invention encompasses the novel compound of Formula I useful in the treatment of cyclooxygenase-2 mediated diseases, ##STR1## The invention also encompasses certain pharmaceutical compositions for treatment of cyclooxygenase-2 mediated diseases comprising compounds of Formula I.

Abstract: This invention relates to a 1,2-ethanediol derivative and a salt thereof, a process for producing the same, and a cerebral function-improving agent comprising the same. The cerebral function-improving agent of this invention is useful for treating cerebrovascular dementia, senile dementia, Alzheimer's dementia, sequelae of ischemic encephalopathy and cerebral apoplexy.

Abstract: The present invention is novel compounds which are 1,3,4-thiadiazoles and 1,3,4-oxadiazoles, and pharamaceutically acceptable acid addition or base salts thereof having activity as inhibitors of singly or together 5-lipoxygenase and cyclooxygenase, and pharmaceutical compositions or methods of use therefor.

Abstract: A glycide derivative represented by the following general formula (I) is produced by reacting a hydroxyaryl or heteroaryl represented by A-OH with glycidyl tosylate in the presence of a cesium base as a base. Thereby, an aryl glycidyl ether derivative, which is an important intermediate for drug production, can be produced easily and reliably. Particularly when optically active glycidyl tosylate is used, said compound can be obtained at a high optical purity. ##STR1## wherein A represents an aryl group or a heteroaryl group.

Abstract: A method for reducing an .alpha.,.beta.-unsaturated ketone of the present invention includes the step of treating the .alpha.,.beta.-unsaturated ketone with a silyl compound in the presence of a Lewis acid and alcohol to selectively reduce the carbonyl group of the .alpha.,.beta.-unsaturated ketone. According to this method, a deoxy-compound can be obtained from the .alpha.,.beta.-unsaturated ketone by selectively reducing the carbonyl group without reducing an .alpha.,.beta.-unsaturated bond.

Abstract: This invention provides chiral nonracemic compounds of formula ##STR1## wherein * indicates a chiral carbon, R.sub.1 and R.sub.2, independently of one another, can be an alkyl, alkenyl or alkynyl group wherein one or more non-neighboring CH.sub.2 groups can be replaced with an O, S or a silyl group (R.sub.A SiR.sub.B) wherein R.sub.A and R.sub.B, independently of one another, are alkyl or alkenyl having from one to six carbon atoms; R.sub.1 having from about 3 to 20 carbon atoms, and R.sub.2 having from 1 to about 18 carbon atoms; X is O, S, CO, COO, OCO, COS or a single bond where Ar is a liquid crystal core moiety having two or three aromatic rings of the formula--(Cyc).sub.n --(A).sub.a --Ph.sub.1 --(B).sub.b --Ph.sub.2 --(C).sub.c --(Ph.sub.3).sub.m --whereinPh.sub.1, Ph.sub.2 and Ph.sub.

Abstract: Compounds of the formula; ##STR1## wherein: Thi is thiadiazolyl or substituted thiadiazolyl;Y is alkylene bridge of 3-9 carbon atoms;R.sub.1 and R.sub.2 are each independently chosen from hydrogen, halo, alkyl, alkenyl, amino, alkylthio, hydroxy, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkylsulfinyl alkyl, alkylsulfonylalkyl, alkoxy, nitro, carboxy, alkoxycarbonyl, dialkylaminoalkyl, alkylaminoalkyl, aminoalkyl, difluoromethyl, trifluoromethyl, or cyano;R.sub.3 is alkoxycarbonyl, phenyl, alkyltetrazolyl, or heterocyclyl; or a pharmaceutically acceptable salt thereof are effective antipicornaviral agents.

Abstract: Fungicidal and insecticidal compounds having the general formula (I): ##STR1## or a stereoisomer thereof, wherein A is CH or N; B is OCH.sub.3 or NHCH.sub.3 ; one of L and M is N and the other is S or O; X is an optionally substituted carbocyclic or heterocyclic group; and n is 0 or 1.

Abstract: Process for the preparation of compounds of the formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3, X and n have the meaning given in the description, by reacting acetates with carbon monoxide in the presence of a basic auxiliary, followed by alkylation. The products are intermediates for fungicidal acrylates.

Abstract: A compound of the formula: ##STR1## wherein; R is a member selected from a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group.The compounds find utility as antifoggants and image stabilisers in photothermographic materials.

Abstract: Liquid-crystalline compounds of the formulae I and II;Z.sup.1 -(X.sup.1 -R.sup.1 -y-M).sub.m IZ.sup.2 -(X.sup.2 -R.sup.1 -Y-M).sub.n IIwhere Z.sup.1 is the radical of an m-valent alcohol an m-valent acid or certain trivalent triazine derivatives; Z.sup.2 is an n-valent radical of a monocyclic or polycyclic aromatic compound; X.sup.1 is a chemical bond or -CO-; X.sup.2 is -O-, -S-, -CO-O-, -O-CO-, -SO.sub.2 -, -SO.sub.2 -O-, -O-SO.sub.2 -O-, -NR.sup.4- , -CO-NR.sup.4 -, -NR.sup.4 -O- or -CO-N<, where R.sup.4 is H or C.sub.1 -C.sub.8 -alkyl; m and n are 3 to 6; R.sup.1 is a C.sub.2 2-C.sub.20 -bridge having 2 to 12 bridging members, which may be interrupted by -O-, -S- or -NR.sup.4 -, each of these hetero units being separated by at least 2 carbon atoms; Y is a chemical bond, -O-, -S-, -CO-O-, -O-CO-, -NR.sup.4 -, -CO-NR.sup.4 - or -NR.sup.4 -CO.sup. -; M is a mesogenic group. These compounds are suitable for the production of optical and electro-optical data carriers and display elements.

Abstract: A description follows of oxa(thia)diazol- and triazol-ones(thiones), with a iticide and insecticide activity, having the general formula ##STR1## wherein: Y=0, S; Z=0, S, NCH.sub.3, one of the two substituents P and Q is an ortho-substituted phenyl and the other a substituted benzyl.

Abstract: Arylalkoxythiocoumarins of the formula ##STR1## where R.sup.1 and R.sup.2 are each, independently of one another, hydrogen, C.sub.1 -C.sub.5 -alkyl, trifluoromethyl, phenyl or halogen, or together are a C.sub.3 -C.sub.5 -alkylene chain, andX is oxygen or sulfur,R.sup.3 is C.sub.1 -C.sub.5 -alkyl or halogen,n is an integer from 0 to 3,R.sup.4 is hydrogen or C.sub.1 -C.sub.4 -alkyl andAr is phenyl, which can be mono- or disubstituted by halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.7 -cycloalkyl, C.sub.1 -C.sub.6 -alkoxy, nitro, cyano, trifluoromethyl or a combination of these substituents or is a heteraromatic ring which has from one to three heteroatoms which can, independently of one another, be N, O or S, and which can be substituted by C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.7 -cycloalkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.4 -alkoxy-substituted C.sub.1 -C.sub.6 -alkyl, 5-6-membered oxacycloalkyl, benzyl, C.sub.1 -C.sub.5 -alkoxycarbonyl, perfluoro-C.sub.1 -C.sub.