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: The invention relates to new substituted .alpha.-pyrimidinyloxy(thio)- and .alpha.-triazinyloxy(thio)carboxylic acid derivatives of general formula I ##STR1## in which A, R.sup.1-3, X and Y have the meanings given in the description, processes for their preparation and their use as herbicides, fungicides and plant growth regulants.

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: Pyrimidinyl- and triazinyl-salicylamides of the formula I ##STR1## in which the meanings of the radicals are described in claim 1, and the salts of compounds of the formula I which have a free hydroxycarbonyl group have a herbicidal and plant-growth regulating action. They are suitable as active substances in weed killers and in compositions for positively influencing the growth of crop plants.

Abstract: This invention relates to a process for preparation of pyrimidinetriones. It also relates to novel N-dihydroxyphosphoryl pyrimidinetrione derivatives which may be useful as water-soluble prodrugs of certain pyrimidinetrione compounds.

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; are useful as nematicides.

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: Salicyloyl(thio)ether derivatives of the formula I, ##STR1## where is oxygen or sulfur and Z is carbon or nitrogen, and the radicals R.sup.1 to R.sup.4 and A have the meanings given in the disclosure, and processes and intermediates for preparing compounds I.

Abstract: Herbicidal pyrimidine compound having the formula ##STR1## wherein the substitutents A, R.sup.1, R.sup.2, X, Y.sup.1, Y.sup.2, Y.sup.3 and Z are as defined herein below.

Abstract: It is possible, by using symmetrical formaldehyde acetals of the formula ##STR1## in which the substituents R.sup.1 -R.sup.3 have the specified meanings, advantageously to introduce the substituent ##STR2## into nitrogen-containing heterocyclic systems to form acyclic nucleoside analogs.

Abstract: This invention relates to compounds which are derivatives of cyclopentane which are useful as antihypertensive agents, to pharmaceutical compositions including such compounds, and to their use in treating hypertension.

Abstract: Salicylic acid derivatives of the formula I ##STR1## (R.sup.1 is succinimidoxy; unsubstituted or substituted hetaryl; OR.sup.5 where R.sup.5 is substituted or unsubstituted cycloalkyl, alkyl, alkenyl, alkynyl, phenyl or substituted methyleneamino; OR.sup.8 where R.sup.8 is hydrogen, alkali metal or alkaline earth metal cation, ammonium or organic ammonium;R.sup.2 and R.sup.3 are each C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.2 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.2 -haloalkoxy and/or C.sub.1 -C.sub.4 -alkylthio;R.sup.4 is ethynyl or unsubstituted or substituted vinyl;X is oxygen or sulfur;Z is nitrogen or methine)are used as herbicides and bioregulators.

Abstract: The invention concerns a heterocyclic cyclic ether of the formula I ##STR1## wherein Q is an optionally substituted 6-membered monocyclic or 10-membered bicyclic heterocyclic moiety containing one or two nitrogen atoms;A is (1-6C)alkylene, (3-6C)alkenylene, (3-6C)alkynylene or cyclo(3-6C)alkylene;X is oxy, thio, sulphinyl, sulphonyl or imino;Ar is phenylene which may optionally bear one or two substituents or Ar is an optionally substituted 6-membered heterocyclene moiety containing up to three nitrogen atoms;R.sup.1 and R.sup.2 together form a group of the formula --A.sup.2 --X.sup.2 --A.sup.3 -- which, together with the oxygen atom to which A.sup.2 is attached and with the carbon atom to which A.sup.3 is attached, defines a ring having 5 to 7 ring atoms, wherein A.sup.2 and A.sup.3 each is (1-3C)alkylene and X.sup.2 is oxy, thio, sulphinyl, sulphonyl or imino, and which ring may bear one, two or three substituents; andR.sup.

Abstract: Phenyl substituted heterocyclic compounds having insecticidal activity have the formula (I): ##STR1## wherein R.sup.1 is an optionally substituted pyridone, thiopyridone, pyrimidinthione, pyrimidinone, pyrazole, imidazole or triazole group; R.sup.2 is hydrogen, halogen, haloalkyl, nitro, cyano or a group --CX--NY.sup.1 Y.sup.2 ; R.sup.3 and R.sup.5 are hydrogen, halogen, alkyl or cycloalkyl; R.sup.4 is halogen, haloalkyl, haloalkoxy or S(O).sub.n R.sup.6 ; and Y.sup.1 and Y.sup.2 are independently selected from hydrogen, nitro, amino or optionally substituted alkyl or Y.sup.1 and Y.sup.2 together with the nitrogen to which they are attached form an aliphatic heterocyclic group or form the group .dbd.CHY.sup.3 or Y.sup.1 is hydrogen and Y.sup.2 is alkoxycarbonyl, alkylcarbonyl, optionally substituted aralkyl or --S(O).sub.n R.sup.6.

Abstract: Herbicidal naphthalene derivatives of the formula ##STR1## in which Q represents oxygen, sulphur or the group NR, where R represents hydrogen or alkyl,R.sup.1 represents hydrogen or alkylR.sup.2, R.sup.3 and R.sup.4 are identical or different and in each case represent hydrogen or another radical,R.sup.5 represents hydrogen or halogen, or represents in each case optionally substituted alkyl, alkoxy, alkylthio, alkylamino or dialkylamino,R.sup.6 represents hydrogen or halogen, or represents in each case optionally substituted alkyl or alkoxy, andR.sup.7 represents hydrogen or halogen, or represents in each case optionally substituted alkyl, alkoxy, alkylthio, alkylamino or dialkylamino, andZ represents N--R.sup.

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: Herbicidal substituted azines of the formula ##STR1## in which m represents the numbers 0, 1, 2 or 3,A represents nitrogen or a C-X group where X represents hydrogen or halogen,Q represents oxygen or sulphur,R.sup.1 and R.sup.2 are identical or different and represent hydrogen, halogen, alkyl, halogenoalkyl, alkoxy-alkyl, alkoxy, halogenoalkoxy, alkylthio, alkylamino or dialkylamino,R.sup.3 represents amino, hydroxyl, halogen, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, alkylamino, dialkylamino, alkylcarbonylamino, alkoxycarbonyl-amino or alkylsulphonylamino,R.sup.4 represents hydrogen or alkyl andZ represents N--R.sup.

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: Pyrimidinetrione derivatives, processes for their preparation, agents containing them and their use as agents for combating pests.Compounds of the formula I, tautomeric forms thereof of the formula Ia, stereoisomers thereof and the mixtures of these forms ##STR1## wherein R.sup.1 and R.sup.2 denote unsubstituted or substituted alkyl, alkenyl, alkynyl; alkoxy, alkylsulfonyl, alkylcarbonyl or cyano or optionally substituted phenyl, phenylsulfonyl or phenylcarbonyl,R.sup.3 denotes hydrogen, alkyl or optionally substituted phenyl,R.sup.4 denote H, OH, unsubstituted or substituted alkyl, alkenyl, alkynyl, phenylsulfonyl, phenylcarbonyl, phenylcarbamoyl or phenyl; alkylsulfonyl or alkylcarbonyl, which can be halogenated, alkylcarbamoyl or cyano,R.sup.5 and R.sup.

Abstract: Hydrophilic modifier monomers of the formula [X-T].sub.z' H' are disclosed wherein X is a reactive group, H' is a hydrophilic group and T is a divalent linking group, z' being a number up to the available valence of H', excess H' valences being taken up by hydrogen. The monomers of the invention can be used to boost the hydrophilic nature of a wide variety of polymeric materials or be polymerized themselves with varying degrees of copolymerizable monomers. They are particularly suited for making hydrophilic contact lens materials.

Abstract: Compounds of the formula ##STR1## in which A is nitrogen or CR.sup.5 ;R.sup.1, R.sup.2 and R.sup.5 each independently are hydrogen, or halogen, formyl, cyano, carboxy or azido, or optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, alkoxy, alkenyloxy, alkynyloxy, aryloxy, alkylthio, alkenylthio, alkynylthio, arylthio, alkylcarbonyl, alkoxycarbonyl, amino, aminoxy or dialkyliminoxy;R.sup.3 is a hydrogen, or optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, heterocyclic, aralkyl or aryl; andR.sub.4 optionally substituted alkyl, aralkyl, aryl or heterocyclyl; and salts thereof, have herbicidal properties. The invention also provides processes for their preparation and their use as herbicides.

Abstract: Compound of the formula ##STR1## in which A is O, S, or NR.sup.3 ; G is CH or N; R and R.sup.1 are independently alkyl, alkoxy, haloalkoxy or alkylamino; R.sup.2 is phenyl, substituted phenyl, alkyl, cycloalkyl, haloalkyl or --CH.sub.2 [(R.sup.4)C(R.sup.5).sub.n --Z; R.sup.3 and R.sup.7 are, independently, hydrogen, alkyl, --C(O)NH.sub.2 or --C(O)alkyl; R.sup.4 and R.sup.5 are independently hydrogen, alkyl, or halogen; R.sup.6 is halogen, alkyl, alkoxy, haloalkoxy, NO.sub.2, amino, alkyl substituted amino, or acyl substituted amino; n is 0 to 5; Z is cyano, amino, alkylamino, dialkylamino, --NHCO.sub.2 alkyl, alkoxy, alkylthio, alkylsulfonyl, alkenyl, alkynyl, phenyl or substituted phenyl; and Q is hydrogen, halogen, alkyl, alkoxy, haloalkoxy, nitro, amino, haloalkyl, alkythio, alkylsulfonyl, phenyl, substituted phenyl or phenoxy; or a 5 or 6 membered aromatic heterocycle having the formula ##STR2## in which "m" is 0 or 1; A' is O, S, or NR.sup.

Abstract: Compounds having the formula (I): ##STR1## in which any two of K, L and M are nitrogen and the other is CE; X and Y are independently hydrogen, halogen, C.sub.1-4 alkyl, C.sub.3-6 cycloalkyl, C.sub.2-4 alkenyl, C.sub.2-4 alkynyl, C.sub.2-4 alkynyloxy, phenyl, benzyloxy, cyano, isocyano, isothiocyanato, nitro, NR.sup.1 R.sup.2, NR.sup.1 OR.sup.2, N.sub.3, NHCOR.sup.1, NR.sup.1 CO.sub.2 R.sup.2, NHCONR.sup.1 R.sup.2, N.dbd.CHNR.sup.1 R.sup.2, NHSO.sub.2 R.sup.1, OR.sup.1, OCOR.sup.1, OSO.sub.2 R.sup.1, SR.sup.1, SOR.sup.1, SO.sub.2 R.sup.1, SO.sub.2 OR.sup.1, SO.sub.2 NR.sup.1 R.sup.2, COR.sup.1, CR.sup.1 .dbd.NOR.sup.2, CHR.sup.1 CO.sub.2 R.sup.2, CO.sub.2 R.sup.1, CONR.sup.1 R.sup.2, CSNR.sup.1 R.sup.2, CH.sub.3 O.sub.2 C.C:CH.OCH.sub.

Abstract: 5-benzyl barbiturate compounds for use as water-soluble uridine phosphorylase inhibitors are disclosed. These compounds are useful for reducing the toxicity and anemia induced by antiviral drugs such as AZT, as well as for potentiating anticancer drugs and combatting their host-toxicity.

Abstract: Compounds of formula I ##STR1## wherein A is nitrogen or a group CR.sup.5 ;each of R.sup.1, R.sup.2 and R.sup.5 is, independently, hydrogen, halogen, formyl, cyano, carboxy, azido or optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, alkoxy, alkenyloxy, alkynyloxy, aryloxy, alkylthio, alkenylthio, alkynylthio, arylthio, alkylcarbonyl, alkoxycarbonyl, amino, aminoxy or dialkyliminoxy; andR is ##STR2## in which R.sup.3 is hydrogen, optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, heterocyclic or aryl, or COR.sup.8, R.sup.8 being hydroxy, alkoxy, carboxy, alkoxycarbonyl, amino or mono- or di- alkylamino; andR.sup.4 is a group COR.sup.6 wherein R.sup.6 is hydrogen, halogen, hydroxy, or optionally substituted alkoxy, alkenyloxy, alkynyloxy, cycloalkoxy, aryloxy, alkylthio, alkenylthio, alkynylthio, arylthio, aminoxy, dialkyliminoxy or amino, or R.sup.6 is a group OR.sup.7 in which R.sup.7 is an optionally substituted heterocyclic ring; or ##STR3## each of R.sup.9 and R.sup.

Abstract: The present invention relates to a pyrimidine derivative having the formula ##STR1## (wherein the variables are defined in the full text of the patent), a method for producing the same, and its use as a herbicide.

Abstract: A herbicidal pyrimidine derivative having the formula, ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, Y.sub.1, Y.sub.2, Y.sub.3, X and Z are defined as in the specification.

Abstract: A pyrimidine derivative represented by the formula ##STR1## wherein the variables are defined below in the specification, and their production and herbicidal activities are described.

Abstract: A pyrimidine or triazine derivative and its salt, said pyrimidine or triazine derivative having the formula: ##STR1## wherein R represents a group of the formula OR.sub.3 {wherein R.sup.3 represents a hydrogen atom, an alkyl gorup, etc.}, a group of the formula SR.sup.6 {wherein R.sup.6 represents a hydrogen atom, an alkyl group, etc.}, a group of the formula ##STR2## {wherein R.sup.7 and R.sup.8 represent a hydrogen atom, an alkyl group, etc.}, or an imidazolyl group:R.sup.1 represents a hydrogen atom, an alkyl group, etc.;R.sup.2 represents a hydroxyl group, an alkyl group, etc.;A and B represent an alkyl group, etc.;Y represents an oxygen atom, etc.; andZ represents a methine group or a nitrogen atom.

Abstract: 6-substitutted acyclopyrimidine nucleoside derivatives represented by the following general formula I: ##STR1## wherein R.sup.1 represents a hydrogen or halogen atom or a group of alkyl, alkenyl, alkynyl, alkylcarbonyl, arylcarbonyl, arylcarbonylalkyl, arylthio or aralkyl; R.sup.2 represents a group of arylthio, alkylthio, cycloalkylthio, aryl sulfoxide, alkyl sulfoxide, cycloalkyl sulfoxide, alkenyl, alkynyl, aralkyl, arylcarbonyl, arylcarbonylalkyl or aryloxy; R.sup.3 represents a hydroxyalkyl group of which alkyl portion may contain an oxygen atom; X represents an oxygen or sulfur atom or amino group; Y represents an oxygen or sulfur atom; and A represents .dbd.N-- or --NH-- or pharmaceutically acceptable salts thereof, processes for their preparation and antiviral agents containing them as active ingredients.

Abstract: This application relates to a process for preparing a N-t-alkyl-1,2-diacylhydrazine by reacting a 1,3,4-oxadiazole with a tertiary alkyl cation precursor in the presence of a strong acid catalyst. Preferably, the 1,3,4-oxadiazole is a 2,5-disubstituted-1,3,4-oxadiazole and more preferably a 2,5-diaryl-1,3,4-oxadiazole. The strong acid catalyst is preferably a sulfur containing acid and more preferably sulfuric acid.

Abstract: A phenyl substituted heterocyclic compound of formula (I): ##STR1## wherein R.sup.1 is optionally substituted pyridone, thiopyridone, pyrimidinthione, pyrimidinone, pyrazole, imidazole or triazole group; R.sup.2 is hydrogen, halogen, haloalkyl, nitro or cyano; R.sup.3 and R.sup.5 are independently selected from hydrogen, halogen, alkyl or cycloalkyl; R.sup.4 is halogen, haloalkyl, haloalkoxy or S(O).sub.n R.sup.6 where R.sup.6 is alkyl, haloalkyl or cycloalkyl and n is 0, 1 or 2; having insecticidal activity.

Abstract: A compound of formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are independently selected from hydrogen, halogen, haloalkyl, alkoxy or nitro, provided that R.sup.1 and R.sup.2 are not both nitro; R.sup.3 and R.sup.4 are independently selected from hydrogen, halogen, alkyl or cycloalkyl; R.sup.5 is halogen, nitro, haloalkyl, haloalkoxy or --S(O).sub.n R.sup.10 ; R.sup.6 is halogen, nitro, haloalkyl, haloalkoxy or --S(O).sub.n R.sup.10 ; R.sup.7 is hydrogen, halogen, hydroxyalkyl, cyano, nitro, alkoxy, --S(O).sub.n R.sup.10, NR.sup.11 R.sup.12, haloalkyl or formyl; R.sup.8 is hydrogen, halogen, NR.sup.11 R.sup.12, alkyl, cycloalkyl or S(O).sub.n R.sup.10 ; and R.sup.9 is oxygen or sulphur; where n is 0, 1 or 2; and R.sup.10 is alkyl, haloalkyl or cycloalkyl; and R.sup.11 and R.sup.12 are independently selected from hydrogen, alkyl or cycloalkyl or R.sup.11 and R.sup.12 together with the nitrogen to which they are attached form a heterocyclic group; provided that when R.sup.

Abstract: Salicylic acid derivatives of the formula I ##STR1## where A is unsubstituted or substituted phenyl, an unsubstituted or substituted five-membered heteroaromatic structure having from two to four nitrogen atoms or having two nitrogen atoms and in addition a sulfur or oxygen atom, or unsubstituted or substituted naphthyl, n is 0, 1 or 2, X and Y are each nitrogen or a methine group and R.sup.1 to R.sup.4 have the meanings stated in the description, processes and intermediates for their preparation, and their use as herbicides and bioregulators.

Abstract: The invention relates to new substituted pyrimidinyloxy(thio)- and triazinyloxy(thio)acrylic acid derivative of general formula I ##STR1## in which A, G, R.sup.1-3, X and Y have the meanings given in the description, processes for their preparation and their use as herbicides, fungicides and plant growth regulants.

Abstract: Carboxylic acid derivatives of the general formula I ##STR1## where R.sup.1 and R.sup.2 are each C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy and/or C.sub.1 -C.sub.4 -alkylthio;R.sup.3 is hydrogen, hydroxyl, cyano, nitro, formyl, halogen, unsubstituted or substituted amino, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkenyloxy, C.sub.3 -C.sub.6 -alkynyl or C.sub.3 -C.sub.6 -alkynyloxy;R.sup.4 is hydrogen or C.sub.1 -C.sub.4 -alkyl;R.sup.5 is unsubstituted or substituted five-membered hetaryl or isoxazolinyl or --CR.sup.6 .dbd.NOR.sup.7 ;R.sup.6 is hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl or phenyl;R.sup.7 is unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.8 -cycloalkyl or phenyl;A is oxygen or sulfur;X is nitrogen or methine .dbd.CR.sup.8 --;R.sup.8 is one of the radicals R.sup.3, or R.sup.

Abstract: Salicylaldehyde derivatives and salicyclic acid derivatives of the formula I ##STR1## where A is an unsubstituted or substituted phenyl radical, an unsubstituted or substituted 5-membered heteroaromatic radical having from 2 to 4 nitrogen atoms or two nitrogen atoms and additionally one sulfur or oxygen atom or an unsubstituted or substituted thienyl, pyridyl, naphthyl, quinolyl, indazolyl or benzotriazolyl radical, X is oxygen or sulfur, and the radicals R.sup.1 and R.sup.4 have the means given in the specification, processes and intermediates for their production, and their use as herbicides and bioregulators.

Abstract: Anthelmintically active compounds of formula I are described ##STR1## in which R.sub.1 is hydrogen, halogen, C.sub.1 -C.sub.2 alkyl, C.sub.1 -C.sub.2 thioalkyl, C.sub.1 -C.sub.2 haloalkyl, nitro, C.sub.1 -C.sub.2 alkoxy, or the group SO.sub.n R in which R is C.sub.1 -C.sub.2 alkyl or phenyl and n is 0, 1 or 2;R.sub.2 is hydrogen, halogen, C.sub.1 -C.sub.2 alkyl, C.sub.1 -C.sub.2 haloalkyl, C.sub.1 -C.sub.2 haloalkoxy or C.sub.1 -C.sub.2 alkoxy;R.sub.3 is hydrogen or C.sub.1 -C.sub.2 alkyl;R.sub.4 is hydrogen or C.sub.1 -C.sub.2 alkyl;R.sub.5 is hydrogen, halogen or C.sub.1 -C.sub.5 alkyl;R.sub.6 is hydrogen, halogen or C.sub.1 -C.sub.5 alkyl;R.sub.7 is hydrogen, halogen, C.sub.1 -C.sub.2 alkyl, nitro, C.sub.1 -C.sub.2 haloalkyl, C.sub.1 -C.sub.2 haloalkoxy or C.sub.1 -C.sub.2 alkoxy;R.sub.8 is hydrogen, halogen, C.sub.1 -C.sub.2 alkyl, C.sub.1 -C.sub.2 haloalkyl, C.sub.1 -C.sub.2 haloalkoxy or C.sub.1 -C.sub.2 alkoxy;R.sub.9 is hydrogen, halogen, C.sub.1 -C.sub.2 alkyl, C.sub.1 -C.sub.2 haloalkyl, C.sub.1 -C.

Abstract: A mesomorphic compound represented by the formula: ##STR1## wherein R.sub.1 denotes an alkyl group having 1-16 carbon atoms; R.sub.2 denotes an alkyl group having 2-10 carbon atoms; X denotes a single bond or --O--; Y denotes --OCH.sub.2 --, ##STR2## Z denotes a single bond, ##STR3## respectively and independently denote ##STR4## k, l and n are respectively 0, 1 or 2 satisfying the relation of k+l+n=2 or 3; C* denotes an asymmetric carbon atom. The mesomorphic compound, when added as a component, provides a liquid crystal composition showing an improved field respective characteristic or is effective in preventing occurrence of a reverse domain.

Abstract: Salicyclic acid derivatives and their sulfur analogs of the formula I ##STR1## where R.sup.1 to R.sup.5, X, Y and Z have the meanings given in the disclosure and claims, agents containing the salicyclic acid derivatives, and their use as herbicides.

Abstract: Disclosed are herbicidally active pyrimidine derivatives of the formula ##STR1## wherein R represents a hydrogen atom or an etherifying group, e.g., a lower alkyl, lower alkenyl, lower alkynyl, phenyl-substituted lower alkenyl, lower haloalkenyl, cycloalkyl, substituted phenyl-substituted lower alkenyl or phenyl-substituted lower alkynyl group; or a group represented by the following formula: ##STR2## wherein R.sup.1 represents a hydrogen atom or a lower alkyl group, X a halogen atom or a lower alkyl or lower alkoxyl group, m and n individually 0-2, and when m is 2, both Xs may be the same or different, and herbicidal compositions containing the same, alone or in combination with another herbicidally active compound, the pyrimidine derivatives being prepared by reaction of 2-(4,6-dimethoxy-2-pyrimidinyloxy)benzaldehyde with NH.sub.2 OR or with a salt of hydroxylamine followed by reaction with a halide of the formula RY wherein R has the same value as above and Y is Cl, Br or I.

Abstract: The invention provides novel herbicidal sulphonanilides of the formula: ##STR1## where R.sup.1 -R.sup.8 have the meanings given in the specification, and salts thereof, processes for their preparation, and herbicidal compositions containing them.

Abstract: A 2-phenoxypridimine derivative having the formula: ##STR1## wherein X is a halogen atom or ##STR2## wherein X.sup.1 is a halogen atom, a lower alkyl group or a lower alkoxy group and k is 0, 1, or 2; R.sup.1 is a hydrogen atom, a benzyl group, --(CH.sub.2).sub.m R.sup.3 is a cyano group, a formyl group, a dialkylamino group, a phenyl group, a pyridyl group, a trimethylsilyl group, a naphthyl group, an alkoxycarbonyl group, a benzoyl group, an alkylthio group, a phenylthio group, an alkylsulfonyl group or a benzyloxy group and m is 1, 2, or ##STR3## wherein R.sup.4 is a hydrogen atom or a lower alkyl group, R.sup.5 is a lower alkyl group or ##STR4## wherein X.sup.2 is a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group or a nitro group, n is 0 or 1, provided that when R.sup.5 is an alkyl group, n is 1; and R.sup.2 is a chlorine atom or a methoxy group, provided that when R.sup.1 is a hydrogen atom or a benzyl group, X is ##STR5## and R.sup.2 is a methoxy group, when R.sup.

Abstract: Aromatic carboxylic acid derivatives of the formula ##STR1## in which the radical ##STR2## is a substituted or unsubstituted quinoline, naphthalene, benzofuran, thiophene or pyridine radical,R.sup.1 is hydrogen, alkylidenaminoxy, unsubstituted or substituted cycloalkylidenaminoxy, succinyliminoxy, unsubstituted or substituted alkenyloxy, alkynyloxy, azolyl, alkylsulfonylamino, alkoxycarbonylalkyloxy, N-azolylalkyloxy, unsubstituted or substituted alkoxy, unsubstituted or substituted phenylalkoxy, hydroxyl or the radical O.sup..crclbar. M.sup..sym., M.sup..sym. being one equivalent of an alkali metal, alkaline earth metal or organic ammonium ion,R.sup.2 and R.sup.3 are alkyl, haloalkyl, alkoxy, haloalkoxy or alkylthio,X is oxygen or sulfur,Y and Z are nitrogen or the methine group, andR.sup.4 and R.sup.5 are hydrogen, halogen, alkyl, haloalkyl, nitro, alkoxy, unsubstituted or substituted alkenyloxy, acylamino, alkylamino, dialkylamino or arylamino, and their use for controlling the growth of unwanted plants.

Abstract: Disclosed are herbicidally active pyrimidine derivatives of the formula ##STR1## wherein R represents a hydrogen atom or an etherifying group, e.g., a lower alkyl, lower alkenyl, lower alkynyl, phenyl-substituted lower alkenyl, lower haloalkenyl, cycloalkyl, substituted phenyl-substituted lower alkenyl or phenyl-substituted lower alkynyl group; or a group represented by the following formula: ##STR2## wherein R.sup.1 represents a hydrogen atom or a lower alkyl group, X a halogen atom or a lower alkyl or lower alkoxyl group, m and n individually 0-2, and when m is 2, both Xs may be the same or different, and herbicidal compositions containing the same, alone or in combination with another herbicidally active compound, the pyrimidine derivatives being prepared by reaction of 2-(4,6-dimethoxy-2-pyrimidinyloxy)benzaldehyde with NH.sub.2 OR or with a salt of hydroxylamine followed by reaction with a halide of the formula RY wherein R has the same value as above and Y is Cl, Br or I.

Abstract: The present disclosure is directed to substituted cyclohexanedione compounds, the preparation of said compounds, compositions containing said compounds and the use of said compositions in the selective pre- and postemergent kill and control of grassy weeds in the presence of various crop plants.

Abstract: 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 the formula I ##STR1## (3,5-dihydroxy carboxylic acid derivatives) or of the formula II ##STR2## (.beta.-hydroxy lactones) in which R, R.sup.1 and Y have the indicated meanings, is described. The invention furthermore relates to aldehydes of the formula XII ##STR3## in which M represents the indicated protective groups. The 3-demethylmevalonic acid derivatives of this invention are useful for lowering cholesterol levels of a host.

Abstract: A herbicidal alkanoic acid derivative of the formula: ##STR1## wherein R is ##STR2## wherein R.sup.3 is a hydrogen atom, a halogen atom, a halogen-substituted alkyl group, an alkyl group, a cycloalkyl group, an alkylthioalkyl group, a hydroxyalkyl group, a hydroxyl group, a cyano group, an acyloxyalkyl group, a thienyl group, a naphthyl group, a dihydronaphthyl group or ##STR3## wherein R.sup.8 is a hydrogen atom, a halogen atom, a nitro group, an alkyl group, an alkoxy group or --S(O).sub.n R.sup.9 wherein R.sup.9 is an alkyl group, and n is an integer of from 0 to 2, m is an integer of from 0 to 2, each of R.sup.2 and R.sup.4 which may be the same or different is a hydrogen atom or an alkyl group, or R.sup.2 and R.sup.4 form together with the adjacent carbon atom a 3-, 4-, 5- or 6-membered ring which may contain an oxygen atom and may be substituted by one or two alkyl groups, each of R.sup.5 and R.sup.6 which may be the same or different is a hydrogen atom or an alkyl group, R.sup.

Abstract: The invention relates to a process for preparing sulphonyl-ureas of the general formula (I) ##STR1## wherein Ar.sub.1 represents a phenyl, naphthyl or thienyl group, the derivatives thereof substituted by C.sub.1-4 alkyl, C.sub.1-4 haloalkyl, (halo)alkoxycarbonyl, (halo)alkyloxy, nitro, cyano groups as well as by halogen atoms,Ar.sub.2 represents a phenyl, pyridyl, pirimidinyl or triazinyl group and the derivatives thereof substituted by C.sub.1-4 (halo)alkyl, C.sub.1-4 (halo)alkyloxy, amino, O-acyl, O-arylsulphonyl, O-(substituted carbamoyl) groups as well as by halogen atoms.