Abstract: The invention relates to benzoxazolyl- and benzothiazolyloxazolidinones, processes for their preparation and their use as medicaments, in particular as antibacterial medicaments.

Abstract: A herbicide containing a pyrimidine or triazine derivative of the formula (I): ##STR1## [wherein A is a furan ring, a pyrimidine ring, a 1,2,4-triazine ring or the like which may suitably be substituted, R is a hydroxyl group or a lower alkoxy group, each of R.sup.1 and R.sup.2 which may be the same or different, is a halogen atom, a lower alkyl group or a lower alkoxy group, W is an oxygen atom or a sulfur atom, and Z is nitrogen or a methine group] and its salt, as an active ingredient, is presented. The pyrimidine or triazine derivative of the present invention has excellent herbicidal effects against noxious weeds in paddy fields, upland fields and non-agricultural fields.

Abstract: A process for the preparation of chloropyrimidines of the formula ##STR1## in which the substituents may be alkyl, cycloalkyl, aryl or radicals containing heteroatoms, but in which at least one of the substituents R.sup.1 to R.sup.4 must be Cl, which involves:reacting a hydroxy-pyrimidine or its tautomeric keto form with phosphoryl chloride in the presence of an amine or amine hydrochloride;recovering phosphoryl chloride after the reaction by adding phosphorus pentachloride and distilling the phosphoryl chloride; andseparating the chloropyrimidine from the amine hydrochloride by addition of a solvent which will dissolve the chloropyrimidine but not the amine hydrochloride and removing the amine hydrochloride.

Abstract: The present invention provides novel compounds of formula ##STR1## the stereochemically isomeric forms thereof, and the pharmaceutically acceptable acid addition salts thereof, wherein A and B taken together form a bivalent radical of formula: --N.dbd.CH-- (a), --CH.dbd.N-- (b), --CH.sub.2 --CH.sub.2 -- (c), --CH.dbd.CH-- (d) --C(.dbd.O)--CH.sub.2 -- (e), --CH.sub.2 --C(.dbd.O)-- (f); R.sup.1 is hydrogen, C.sub.1-6 alkyl, or halo; R.sup.2 is hydrogen or halo; R.sup.3 is hydrogen; C.sub.1-8 alkyl; C.sub.3-6 cycloalkyl or C.sub.1-8 alkyl substituted with hydroxy, oxo, C.sub.3-6 cycloalkyl or aryl. Het is five- or six-membered optionally substituted heterocyclic ring. The use as a medicine, especially as a lipid lowering agent is disclosed as well as pharmaceutical compositions and processes for preparing compounds and compositions.

Abstract: .beta.-Carboxy sulfonates of the formula ##STR1## wherein R.sub.1 is aryl, R.sub.3 and R.sub.4 are hydrogen or alkyl, Y is -O-, -S-, or -NR.sub.2 -, and R.sub.5 is alkyl or aryl are potent inhibitors of the enzyme acyl CoA:cholesterol acyltransferase (ACAT) and are thus useful for treating hypercholesterolemia and atherosclerosis.

Abstract: 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 remedies for muscular dystrophy, cataract, myocardial infarction, stroke, Alzheimer's disease, amyotrophia, osteoporosis, hypercalcemia or the like.

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: There are provided thienyl- and furylpyrrole compounds of formula I ##STR1## and their use for the control of insects and acarina. Further provided are compositions and methods comprising those compounds for the protection of plants from attack by insects and acarina.

Abstract: 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 moiety and aryl moieties in the 3-position and the N-position that are optionally substituted phenyl, pyridinyl, pyrimidinyl, pyridazinyl, pyrazinyl, or quinolinyl moieties, such as N-(4-chlorophenyl)-4,5-dihydro-3-(4-fluorophenyl)-4-(5-trifluoromethyl-2-p yridinyl)-1H-pyrazole-1-carboxamide, were prepared and found to possess insecticidal utility. 1,2-Diarylethanone compounds were converted to 1,2-diaryl-2-propen-1-one compounds by treatment with bis(dimethylamino)methane, the 1,2-diaryl-2-propen-1-one compounds were converted to 3,4-diaryl-4,5-dihydro-1H-pyrazole compounds by treatment with hydrazine, and the 3,4-diaryl-4,5-dihydro-1H-pyrazole compounds were converted to the insecticidal subject compounds by treatment with an aryl isocyanate.

Abstract: 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 compound is incorporated, are provided. The optical active compound have an asymmetric carbon atom fixed by a .delta.-valerolactone ring and the permanent dipole moment derived from the carboxylic group is fixed by the .delta.-valerolactone ring and two alkyl groups which can be regarded as a part of a measogen.

Abstract: A novel imidazole derivatives of formula I: ##STR1## wherein R.sup.1 is hydrogen, alkyl, halogen, or optionally substituted aryl; R.sup.2 is alkyl, optionally substituted aryl optionally substituted aralkyl, or optionally substituted hetero ring group; R.sup.3 is hydrogen, alkyl, optionally substituted aryl, optionally substituted aralkyl, or optionally substituted hydroxyalkyl; R.sup.4 is hydrogen, alkyl, halogen, acyl, optionally substituted hydroxyalkyl, optionally esterified or amidated carboxyl group, hydroxy group, aryl or arylthio; X is S, SO, SO.sub.2, CH.sub.2, or Se; n is an integer of 1 to 3, or a pharmaceutically acceptable salt thereof, said derivative having anti-HIV activity and being useful for the treatment of HIV infections.

Abstract: 2-Aryl or 2-heterocyclyl-2, 2-disubstituted ethyl-1,2,4-triazoles have been shown to have fungicidal activity.

Abstract: Disclosed is a novel near-infrared absorbing dye of formula: ##STR1## wherein X.sup.1, X.sup.2 independently represents --CR.sup.8 R.sup.9 --, --S--, --Se--, --NR.sup.10 --, --CH.dbd.CH-- or --O--;n is an integer of 2 or 3;R.sup.1 and R.sup.2 independently represent alkyl of 1 to 10 carbons or substituted alkyl of 1 to 10 carbons;R.sup.3 represents a ring chosen from the set consisting of aryl, substituted aryl, and heterocyclic containing 5 or 6 carbons in the ring;R.sup.4, R.sup.5, R.sup.6 and R.sup.7 independently represent hydrogen, alkyl of 1-10 carbons, substituted alkyl of 1-10 carbons, R.sup.4 and R.sup.5 taken together or R.sup.6 and R.sup.7 taken together may represent the atoms necessary to form a 5 or 6-membered aliphatic ring, an aromatic six-membered ring, an aromatic 10-membered ring, a substituted aromatic six-member ring or a substituted aromatic 10-member ring;R.sup.8, R.sup.

Abstract: Fungicidal compounds of the formula (I): ##STR1## and stereoisomers thereof, wherein R.sup.1 is optionally substituted aryl or optionally substituted heteroaryl; Y is oxygen, sulphur or NR.sup.4 ; R.sup.2, R.sup.3 and R.sup.4, which may be the same or different, are hydrogen, C.sub.1-4 alkyl or C.sub.2-4 alkenyl; X is halogen, C.sub.1-4 alkyl, C.sub.2-4 alkenyl, C.sub.1-4 alkoxy, nitro or cyano; and n is 0 or an integer of 1 to 4; provided that when Y is oxygen, n is 0 and R.sup.1 is unsubstituted phenyl at least one of R.sup.2 and R.sup.3 is other than hydrogen or methyl.

Abstract: A process for the preparation of a 4-methylpyrimidine of the general formula I ##STR1## in which R.sup.1 denotes C.sub.1 -C.sub.20 alkyl, C.sub.3 -C.sub.8 cycloalkyl, aryl, C.sub.7 -C.sub.12 phenalkyl, C.sub.7 -C.sub.12 alkylphenyl, NH.sub.2, NHCN, OH, and SH,in which a 1-aminovinyl methyl ketone of the general formula II ##STR2## in which R.sup.2 and R.sup.3 denote C.sub.1 -C.sub.20 alkyl, C.sub.3 -C.sub.8 cycloalkyl, aryl, C.sub.7 -C.sub.12 phenylalkyl, C.sub.7 -C.sub.12 alkylphenyl, C.sub.1 -C.sub.20 hydroxyalkyl or together denote a C.sub.2 -C.sub.7 alkylene chain optionally mono- to tetra-substituted by C.sub.1 -C.sub.4 alkyl and optionally interrupted by oxygen, nitrogen, or sulfur, is caused to react with a carboxamide or amidine or a salt thereof of the general formula III ##STR3## in which R.sup.1 has the aforementioned meanings and x stands for oxygen or NH, at temperatures ranging from 20.degree. to 200.degree. C. and pressures ranging from 0.01 to 50 bar.

Abstract: Arylacetic ester derivative-based compounds having the general formula (I): ##STR1##

Abstract: Disclosed are herein optically active benzene derivatives represented by the formula (I): ##STR1## preparation processes therefor, liquid crystal composition containing such benzene derivatives as liquid-crystalline compound, and a light switching element using said liquid crystal composition as liquid crystal element, wherein R.sub.1, R.sub.2, x, y, z, m, p and s are as defined in the specification.

Abstract: Chroman derivatives of the formula I ##STR1## wherein R.sup.1 to R.sup.8 have the meanings defined herein, and their salts have an effect on the cardiovascular system.

Abstract: 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 protection of crops from the ravages of said pests.

Abstract: 2-Aryl or 2-heterocyclyl-2,2-disubstituted ethyl-1,2,4,-triazoles have been shown to have fungicidal activity.

Abstract: Use of optically active carboxylic esters of oxygen-containing heterocycles as doping substances in liquid crystal mixtures and liquid crystal mixtures containing them.Optically active 1,3-dioxolane-4-carboxylic esters and oxirane-2-carboxylic esters of the general formula (I)R(--A.sup.1).sub.j (--M.sup.1).sub.k (--A.sup.2).sub.l (--M.sup.2).sub.m (--A.sup.3).sub.n --X--Acin whichR.sup.1 is, for example, (C.sub.1 -C.sub.16)-alkyl or (C.sub.1 -C.sub.16)-alkoxy,A.sup.1, A.sup.2, A.sup.3 are, for example, phenyl or pyrimidine-2, 5-diyl,M.sup.1, M.sup.2 are, for example, CO--O, CH.sub.2 --CH.sub.2,j, l are 0, 1, 2,k, m are 0, 1,n is 0, 1, 2,X is O, S andAc is ##STR1## in which R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 for example, H or methyl, are particularly suitable doping substances for liquid crystalline mixtures, since they induce a high spontaneous polarization and effect a substantial decrease in the melting point.

Abstract: .beta.-carboline-3-hydroxyalkylcarboxylic acid ester derivatives of formula I ##STR1## in which R.sup.A, n, R.sup.4 and R.sup.3, have the meaning indicated in the claims, as well as their production and their use in pharmaceutical agents are described.

Abstract: Compounds of the structure ##STR1## wherein W is selected from ##STR2## where Q is oxygen or sulfur, R.sup.6 and R.sup.7 are hydrogen or alkyl, or R.sup.6 and R.sup.7, together with the nitrogen atoms to which they are attached, define a radical of formula ##STR3## R.sup.8 is selected from hydrogen, alkyl, haloalkyl, optionally substituted phenyl, hydroxyalkyl, aminoalkyl, carboxyalkyl, (alkoxycarbonyl)alkyl, and (alkylaminocarbonyl)alkyl; Z is --CH.sub.2 --, oxygen, sulfur, or --NR.sup.9 where R.sup.9 is hydrogen or alkyl, L.sup.1 and L.sup.2 are selected from a valence bond, alkylene, propenylene, and propynylene, R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are independently selected from alkyl, haloalkyl, halogen, cyano, amino, alkoxycarbonyl, and dialkylaminocarbonyl, Y is selected from oxygen, --NR.sup.10, where R.sup.10 is hydrogen or alkyl, and ##STR4## where n=0, 1, or 2, and R.sup.5 is alkyl, inhibit the biosynthesis of leukotrienes.

Abstract: A solvent soluble heterocyclic o-hydroxy thione carrying a lipophilic group and the process for the selective extraction of gallium, and certain other related metals, especially from solutions containing excess aluminium.

Abstract: Biphenyl derivatives of cyclobutene-1,2-dione of formula 1 are angiotensin II antagonists and are useful for the treatment of hypertension and congestive heart failure ##STR1## wherein: Y is O, NR.sup.7, NCOR.sup.7 ; or R.sup.5 and Y taken together represent a linking chain of N.dbd.CR.sup.8 N; or R.sup.5 and Y taken together represent a linking chain of (CR.sup.9 R.sup.10).sub.n CON where n=1,2,3,4, or 5;X is N, CR.sup.7 ;Z is N, CR.sup.7 ;R.sup.1 is H, alkyl, benzyl, alkoxyalkyl, phenyl;R.sup.2 is H, alkyl, benzyl, alkoxyalkyl, phenyl, alkoxy, alkyl-OH, perfluoroalkyl, F, Cl, Br, I, NR.sup.7 R.sup.8 ;R.sup.3 is H, alkyl, benzyl, alkoxyalkyl, phenyl, alkoxy, alkyl-OH, perfluoroalkyl, F, Cl, Br, I, NR.sup.7 R.sup.8 ;R.sup.4 is H, NR.sup.7 R.sup.8, OR.sup.1, CN, F, Cl, I, Br, perfluoroalkyl, alkyl, phenyl, alkoxy, alkyl-OH, alkoxyalkyl, --(CH.sub.2).sub.n CO.sub.2 R.sup.1, --(CH.sub.2).sub.n CONR.sup.7 R.sup.8 where n=1, 2, 3, 4, or 5;R.sup.5, R.sup.

Abstract: New heterocyclic compounds of the formulaX--W--CR.sup.1 R.sup.2 --CO--Y--NR.sup.3 --CHR.sup.4 --CR.sup.5 --CH.sub.2 --(CR.sup.6 R.sup.7).sub.r --Z--Het Iin which R.sup.1 to R.sup.7, W, X, Y, Z, r and Het have the meanings defined herein, and the salts thereof, inhibit the activity of human plasma renin.

Abstract: .alpha.-Arylacrylates substituted by a heterocyclic radical and of the general formula I ##STR1## where R.sup.1 is alkoxy or alkylthio, R.sup.2 is alkyl, Het is pyridyl, pyridone, quinolyl, pyrimidinyl, pyrimidinone, the heterocyclic ring system being unsubstituted or substituted, A is carbonyloxy, oxygen or sulfur, and n is 0 or 1, and their plant-tolerated acid addition salts and metal complexes, and the N-oxides of the heterocyclic compounds, and fungicides containing these compounds.

Abstract: An optically active pyrimidine compound represented by general formula (I): ##STR1## wherein R represents a fluoroalkyl group having 1 or 2 carbon atom(s), R.sup.1 represents an alkyl group having 1-15 carbon atoms or an alkoxyalkyl group having 2-15 carbon atoms, both the alkyl and alkoxyalkyl groups being optionally substituted by halogen atom, Y represents --O--, --COO-- or --OCO--, A represents: ##STR2## wherein X represents a hydrogen atom or a halogen atom, m and s each represent 0 or 1, and the C* means an asymmetric carbon atom; a process for producing said pyrimidine compound; and a liquid crystal composition containing said pyrimidine compound.

Abstract: 3,4-Diaryl-4,5-dihydro-1H-pyrazole compounds having a selected 5- or 6-membered aromatic heterocyclic moiety in the 4-position and an optionally substituted phenyl moiety in the 3-position, such as 4,5-dihydro-3-(4-fluorophenyl)-4-(5-trifluoromethyl-2-pyridinyl)-1H-pyrazo le were prepared as intermediates in the preparation of insecticidal 3,4,N-triaryl-4,5-dihydro-1H-pyrazole-1-carboxamide compounds. The 3,4-diaryl-4,5-dihydro-1H-pyrazole compounds can be prepared from appropriate 1,2-diarylethanone compounds by successive treatments with N,N,N',N'-tetramethyldiaminomethane in dichloromethane in the presence of acetic anhydride (to form a Mannich adduct) and hydrazine in the presence of a catalytic amount of trifluoroacetic acid.

Abstract: Chiral oxazolidinones of the formula (I) or (II) ##STR1## in which R.sup.1 is, for example, a straight-chain or branched alkyl radical having 1 to 16 carbon atoms orR.sup.2 and R.sup.3 are, for example, --H, --CH.sub.3 or phenyl,j, 1 and n are zero, 1 or 2,k and m are zero or 1,A.sup.1, A.sup.2 and A.sup.3 are, for example, phenyl or cyclohexyl,M.sup.1 and M.sup.2 are, for example, COO or CH.sub.2 O, andX is, for example, CH.sub.2 or COO,are suitable as dopes in liquid-crystal mixtures. They result in liquid-crystalline ferroelectric phases having short response times. A further advantage is that the oxazolidinones induce a helix of very low pitch, so that they are also suitable for helix compensation in LC mixtures.

Abstract: Pharmaceutically useful nitrogen containing cyclic oxime and amine substituted compounds of the following general Formulas I, II and III are disclosed: ##STR1## Specifically the compounds are azabicyclo [2.2.1] omimes, azabicyclo [2.2.2] oximes, azabicyclo [2.2.1] amines, azabicyclo [2.2.2] amines, azabicyclo [3.2.1] oximes and amine containing heterocyclic oximes wherein the heterocyclic ring contains from 4 to 5 [3 to 7] carbon atoms.

Abstract: Herbicidal substituted cycloalkenes of the formula ##STR1## in which A is a straight-chain or branched, optionally substituted alkanediyl group,X is O, S, N--R.sup.8 or CR.sup.9 R.sup.10,Y is O, S, NH or N-alkyl,Z is N or R.sup.11, andR.sup.1 to R.sup.11 represent various organic radicals.

Abstract: A compounds represented by the formula ##STR1## wherein X represents a fluorine atom,W represents an oxygen atom, sulfur atom or group --OCH.sub.2 --,Z.sup.1 and Z .sup.2 each represent a nitrogen atom or group CH, but when Z.sup.1 is a nitrogen atom, Z.sup.2 represents a nitrogen atom or group CH and when Z.sup.1 is a group CH, Z.sup.2 represents a nitrogen atom,R.sup.1 and R.sup.2 each independently represent either a hydrogen atom, halogen atom or mono- or dilower alkyl-substituted amino, or a lower alkyl, lower alkoxy or lower alkylthio each of which may be substituted with a halogen atom,R.sup.3 and R.sup.4 form together with the carbon atoms to which they bind respectively a 5- to 8-membered carbon ring.

Abstract: The present invention provides pyrazines, pyridazines or pyrimidines, or salts or prodrugs thereof, substituted on one of the ring carbon atoms thereof with a non-aromatic azacyclic or azabicyclic ring system; and independently substituted on each of the other ring carbon atoms with a substituent of low lipophilicity or a hydrocarbon substituent; which compounds stimulate central muscarinic acetylcholine receptors and therefore are useful in the treatment of neurological and mental illnesses.

Abstract: 4-Isoxazolyl-imidazole derivatives of formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the meanings indicated, as well as their production and use in pharmaceutical agents, are described.

Abstract: 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 protection of crops from the ravages of said pests.

Abstract: An asymmetric process for the preparation of enantiomerically pure .beta.-L-(-)-1,3-oxathiolane-nucleosides that includes the initial preparation of the key chiral intermediates (2R,5R) and (2R,5S)-5-(O-protected)-2-(protected-oxymethyl)-1,3-oxathiolane from 1,6-thioanhydro-L-gulose. The 2R,5(R,S)-5-(O-protected)-2-(protected-oxymethyl)-1,3-oxathiolane is condensed with a desired heterocyclic base, typically a purine or pyrimidine base, to provide the product nucleoside. The synthesis can be used to prepare the pharmaceutically important compound, .beta.-L-(-)-1-[(2.beta.,4.beta.)-2-(hydroxymethyl)-4-(1,3-thioxolane)]cyt osine (.beta.-L-(-)BCH-189).

Abstract: Compounds of formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are independently hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, alkylcycloalkyl, halogen, haloalkyl, alkoxy, alkenoxy, alkoxyalkyl, haloalkoxy, alkylthio, cyano, nitro, amino, NR.sup.5 R.sup.6, hydroxy, acylamino, --CO.sub.2 R.sup.4, --O(CH.sub.2).sub.m CO.sub.2 R.sup.4, phenyl, phenoxy, benzyl or benzyloxy, the phenyl group or phenyl moiety of the benzyl group being optionally substituted in the ring; or R.sup.2 and R.sup.3 when taken together form a 5 - or 6-membered ring; m is 1 or 2; R.sup.4 and R.sup.6 are hydrogen or C.sub.1-4 alkyl; R.sup.5 is C.sub.1-4 alkyl; n is 0, 1 or 2; provided that when n is 0, R.sup.1, R.sup.2 and R.sup.3 are not all hydrogen, or when n is 0 and R.sup.2 is hydrogen, R.sup.1 and R.sup.3 are not both methyl, or when n is 0 and R.sup.2 and R.sup.3 are both hydrogen, R.sup.1 is not methyl; are useful as nematicides.

Abstract: The invention concerns pharmaceutically useful compounds of the formula I, in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, Rz, X and Z have the various meanings defined herein, and their non-toxic salts, and pharmaceutical compositions containing them. The novel compounds are of value in treating conditions such as hypertension and congestive heart failure. The invention further concerns processes for the manufacture of the novel compounds and the use of the compounds in medical treatment.

Abstract: A cyanoketone derivative of the following formula (1) ##STR1## wherein A.sub.1 is a substituted or unsubstituted phenyl or naphthyl group or a substituted or unsubstituted heterocyclic group;each of X.sub.1, X.sub.2 and X.sub.3 is independently an oxygen or sulfur atom;each of B.sub.1, B.sub.2 and B.sub.3 is independently a hydrogen atom or C.sub.1 -C.sub.6 -alkyl group;each of Y.sub.1, Y.sub.2, Y.sub.3 and Y.sub.4 is independently a hydrogen atom, a halogen atom or a C.sub.1 -C.sub.6 -alkyl group; andA.sub.2 is a substituted or unsubstituted group selected from the group consisting of a C.sub.1 -C.sub.6 -alkyl group, a C.sub.2 -C.sub.6 -alkenyl group, a C.sub.2 -C.sub.6 -alkynyl group, a C.sub.1 -C.sub.4 -alkoxy group, a C.sub.1 -C.sub.4 -alkylthio group, a C.sub.1 -C.sub.6 -alkoxycarbonyl group, an unsubstituted benzoyl group, a halogen-substituted benzoyl group, a cyano group or a group as defined in A.sub.1 ;provided that when B.sub.1 is a hydrogen atom and B.sub.

Abstract: Novel compounds are disclosed having the formula ##STR1## or its isomer ##STR2## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and X are as defined herein. These compounds inhibit the action of angiotensin II and are useful, therefore, for example, as antihypertensive agents.

Abstract: There are described new pyrimidyl-substituted acrylic esters of the general formula (I) ##STR1## in which Py, X, R.sup.1 and R.sup.2 have the meaning given in the description, a process for their preparation, and new intermediates.The compounds of the formula (I) are used as pesticides.

Abstract: Anisotropic compounds having a nematic phase have the formula ##STR1## wherein A is a cyclic radical selected from the group consisting of ##STR2## Z is selected from the group consisting of a single bond, a --CH2CH2-- group,n is 1 or 2,R.sup.1 and R.sup.2 are selected from the group consisting of C.sub.1 -C.sub.12 -alkyl, C.sub.1 -C.sub.12 -alkoxy.

Abstract: Disclosed in a mitomycin derivative represented by the formula (I): ##STR1## wherein W is a heterocyclic group.

Abstract: Anisotropic compounds having a nematic phase have the formula ##STR1## wherein A is a cyclic radical selected from the group consisting of ##STR2## Z is selected from the group consisting of a single bond, a --CH2CH2-- group, a methyleneoxy group and an oxymethylene group,n is 1 or 2,p is 0, 1, or 2,r is 0 or 1,X is selected from the group consisting of fluorine, chlorine, bromine, iodine, nitrile and methyl,R.sup.1 and R.sup.2 are selected from the group consisting of hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.1 -C.sub.12 -alkoxy, C.sub.1 -C.sub.12 -alkanoyloxy and C.sub.1 -C.sub.12 -alkylamino and cyclic groups of the formulas ##STR3## wherein R.sup.3 through R.sup.6 are selected from the group consisting of hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.1 -C.sub.12 -alkoxy, C.sub.1 -C.sub.12 -alkanoyloxy, and C.sub.1 -C.sub.12 -alkylamino, and Z.sup.2 through Z.sup.

Abstract: Fungicidal compounds having the formula (I): ##STR1## in which any two of K, L and M are nitrogen and the other is CH; and X is an optionally substituted 3- to 6-membered heterocyclic ring containing at least one trivalent nitrogen atom by which it is attached to the central pyrimidine ring.

Abstract: Disclosed is a 3-alkoxyalkanoic acid compound represented by the following formula (I): ##STR1## wherein R.sup.1 represents a lower alkyl group, a lower alkenyl group, a lower alkynyl group, a cycloalkyl group, a halo-lower alkyl group or a cyano-lower alkyl group; R.sup.2 represents hydrogen atom or a lower alkyl group; R.sup.3 represents a lower alkyl group or a cycloalkyl group; or R.sup.2 and R.sup.3 are mutually bonded to represent a cycloalkyl group; R.sup.4 represents hydrogen atom, a lower alkyl group or a lower alkynyl group; R.sup.5 represents a lower alkoxy group, a lower alkyl group, a halogen atom or a halo-lower alkyl group; R.sup.6 represents a lower alkoxy group or a lower alkyl group; andX represents oxygen atom or sulfur atom,or an alkali addition salt thereof, processes for preparing the same and herbicides containing the same as an active ingredient(s).

Abstract: The present invention relates to unsaturated carboxylic acid amide derivatives of the formula ##STR1## wherein ring A stands for an optionally substituted aromatic ring; R.sup.1 stands for a hydrogen atom or an optionally substituted hydrocarbon residue or forms an optionally substituted carbocyclic ring with the adjacent group --CH.dbd.C-- together with two carbon atoms constituting the ring A; R.sup.2 stands for a hydrogen atom, an optionally substituted hydrocarbon residue or an optionally substituted acyl group; R.sup.3 stands for an optionally substituted hydrocarbon residue; and n denotes an integer ranging from 2 to 6, and salts thereof, as well as the production thereof.The compounds of the present invention act on the central nervous system of mammals and has a strong anti-cholinesterase activity, which can be used for the prophylaxis and therapy of, for example, senile dementia, Alzheimer's diseases, Huntington's chorea, et., and are useful as medicines.

Abstract: Substituted pyrimidines, pyrimidinones and pyridopyrimidines of formula (I) are as angiotensin II antagonists useful in the treatment of hypertension, ocular hypertension and certain CNS ailments: ##STR1## wherein K is --N(R.sup.8a)--C(.dbd.M) or --N.dbd.C(R.sup.8b) where M is O or NR.sup.22.

Abstract: An optical recording medium contains novel azulenemethine dyes of the formula ##STR1## where R is unsubstituted or substituted C.sub.1 -C.sub.6 -alkyl, X.sup..crclbar. is an anion, A.sup..sym. is heterocyclic radical, of the formula ##STR2## wherein R.sup.1, R.sup.2, R.sup.3, Y, Z and W are as defined, with the proviso that, when A.sup..sym. is a radical of the formula II f, II g, II i or II k, m is 2, A is 1, 2 or 3 and M is 1 or 2.