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: 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: The invention concerns oxime derivatives of the formula I ##STR1## wherein R.sup.4 includes hydrogen, carboxy, carbamoyl, amino, cyano, trifluoromethyl, (1-4C)alkylamino, di-(1-4C)alkylamino and (1-4C)alkyl;R.sup.5 includes hydrogen, (1-4C)alkyl, (3-4C)alkenyl, (3-4C)alkynyl, (2-5C)alkanoyl, halogeno-(2-4C)alkyl and hydroxy-(2-4C)alkyl;Ar.sup.1 is phenylene or a heteroaryl diradical;A.sup.1 is a direct link to X.sup.1, or A.sup.1 is (1-4C)alkylene;X.sup.1 is oxy, thio, sulphinyl or sulphonyl;Ar.sup.2 is phenylene or a heteroaryl diradical;R.sup.1 is (1-4C)alkyl, (3-4C)alkenyl or (3-4C)alkynyl; andR.sup.2 and R.sup.3 together form a group of the formula --A.sup.2 --X.sup.2 --A.sup.3 -- which together with the carbon atom to which A.sup.2 and A.sup.3 are attached define a ring having 5 or 6 ring atoms, wherein each of A.sup.2 and A.sup.3 is (1-3C)alkylene and X.sup.

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: 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 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: Disclosed are compounds of Formula I useful in the treatment of cyclooxygenase mediated diseases such as pain, fever and inflammation of a variety of conditions including rheumatic fever, symptoms associated with influenza or other viral infections, common cold, low back and neck pain, dysmenorrhea, headache, toothache, sprains and strains, myositis, neuralgia, synovitis, arthritis, including rheumatoid arthritis degenerative joint diseases (osteoarthritis), gout and ankylosing spondylitis, bursitis, burns, injuries.

Abstract: The invention provides a process for making a thioether compound having the formula:A--S--Rcomprising reacting:(1) Compound I having the formula:A--H (I)where A comprises a carbon atom bonded to H where that carbon is either capable of ionizing to a nucleophilic state or is conjugated to such an atom, with(2) Compound II having the formula:H--SR or RSSR (II)wherein R is selected from the group consisting of:(a) a substituted or-unsubstituted aryl group or alicyclic group, said groups being carbocyclic or heterocyclic, and(b) a thiocarbonyl group,in the presence of a base and an oxidizing agent that is free of reactive halogen and that is capable of oxidizing H--SR to RSSR.

Abstract: This invention relates to novel substituted tryptamine and phenalkylamine and related compounds, pharmaceutical compositions thereof and methods of using said compounds and compositions for a number of pharmaceutical indications including (but not limited to): 1. central nervous system and psychiatric disorders (e.g., sleep disorders, epilepsy and other convulsive disorders, anxiety, psychiatric diseases, neurodegenerative diseases, fever); 2. chronobiological-based disorders (e.g., jet lag, delayed sleep syndrome, shift-work, seasonal affective disorder); 3. endocrine indications (e.g., contraception and infertility, precocious puberty, premenstrual syndrome, hyperprolactinemia, growth hormone deficiency); 4. cancer and other proliferative diseases; 5. immune system disorders and conditions associated with senescence; 6. ophthalmological diseases; 7. animal breeding (e.g., regulation of fertility, puberty, pelage color).

Abstract: Compounds of the formula ##STR1## wherein A is selected from the group consisting of hydrogen, alkyl, aryl, and heterocyclic;Y and Z are independently selected from the group consisting of O, S, and N--R;R is selected from the group consisting of hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted phenyl, and substituted or unsubstituted heterocyclic; andX is selected from the group consisting of I and Br, are diclosed to useful as antimicrobials.

Abstract: The invention relates to new substituted carbamoylpyrazolines ##STR1## to processes in their preparation, and to their use as pesticides.

Abstract: Derivatives having the formula: ##STR1## in which R.sub.1 =C.sub.1 -C.sub.4 alkyl and Ar is an aryl or heteroaryl group chosen from among the following: ##STR2## where R.sub.2 represents a hydrogen atom one or two halogen atoms, a CN, NO.sub.2 or CF.sub.3 group, one, two or three C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy groups or an amino group substituted by two C.sub.1 -C.sub.4 alkyl groups, in which case the --W--V-- chain represents --N.dbd.N-- or ##STR3## and n=2-6; (ii) pyridyl, in which case the --W--V-- chain represents --N.dbd.N-- and n= 1-6, and acid addition salts of those derivatives (I) which are salt-forming.These derivatives are of use in therapy as agents for inhibiting type B monoamine oxydase.

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: The invention concerns oxime derivatives of the formula I ##STR1## wherein R.sup.4 includes hydrogen, carboxy, carbamoyl, amino, cyano, trifluoromethyl, (1-4C)alkylamino, di-(1-4C)alkylamino and (1-4C)alkyl;R.sup.5 includes hydrogen, (1-4C)alkyl, (3-4C)alkenyl, (3-4C)alkynyl, (2-5C)alkanoyl, halogeno-(2-4C)alkyl and hydroxy-(2-4C)alkyl;Ar.sup.1 is phenylene or a heteroaryl diradical;A.sup.1 is a direct link to X.sup.1, or A.sup.1 is (1-4C)alkylene;X.sup.1 is oxy, thio, sulphinyl or sulphonyl;Ar.sup.2 is phenylene or a heteroaryl diradical;R.sup.1 is (1-4C)alkyl, (3-4C)alkenyl or (3-4C)alkynyl; andR.sup.2 and R.sup.3 together form a group of the formula -A.sup.2 -X.sup.2 -A.sup.3 - which together with the carbon atom to which A.sup.2 and A.sup.3 are attached define a ring having 5 or 6 ring atoms, wherein each of A.sup.2 and A.sup.3 is (1-3C)alkylene and X.sup.

Abstract: A tetrahydrofuran derivative represented by the following general formula [I]: ##STR1## wherein A represents direct bonding or a group represented by --B--CHR.sup.1 --(wherein B represents oxygen atom, sulfur atom or imino group; R.sup.1 represents hydrogen atom or an alkyl group); R represents hydrogen atom, halogen atom, hydroxyl group, an alkoxy group, benzyloxy group, an alkylsulfonyloxy group or a group represented by --O--COR.sup.2 (wherein R.sup.2 represents an alkyl group, a haloalkyl group, an alkenyl group, a cycloalkyl group, phenyl group, benzyl group, an alkoxy group, an alkylamino group or a dialkylamino group; X represents halogen atom; Y represents hydrogen atom or halogen atom) and the herbicide containing the same as the effective ingredient. The compounds of the present invention have exceedingly high herbicidal activity, and furthermore, the compounds are superior to the known similar compounds in terms of safety on crops. Thus, the compounds are useful as herbicides.

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: The invention relates to novel heterocyclyltriazolinones of the general formula (I) ##STR1## in which R.sup.1 represents hydrogen or represents alkyl or cycloalkyl, each of which is optionally substituted,R.sup.2 represents hydrogen, hydroxyl, mercapto or halogen or represents alkyl, alkenyl, alkinyl, cycloalkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, arylalkyl, amino or heterocyclyl, each of which is optionally substituted, andHet represents an optionally substituted heterocycle of the formula ##STR2## in which X in each case represents oxygen, sulphur, an NH group or an N-alkyl group,a process for their preparation and their use as herbicides.

Abstract: A photographic naphtholic coupler comprising a ballast free naphtholic coupler moiety containing a --CONH.sub.2 group in the 2- position and a ballasted coupling-off group in the 4- position enables good wash out of dye formed upon oxidative coupling from a photographic material during processing of such a photographic material. Such a naphtholic coupler is useful in photographic silver halide materials and processes.

Abstract: The invention concerns an aryl derivative of the formula I, ##STR1## wherein Ar.sup.1 is optionally substituted phenyl, naphthyl or a heterocyclic moiety, and X.sup.1 is oxy, thio, sulphinyl, sulphonyl, difluoromethylene, imino, (1-4C)alkylimino or optionally substituted (1-4C)alkylene, or X.sup.1 is a group of the formula--X.sup.4 --CR.sub.2 -- or --CR.sub.2 --X.sup.4 --whereinX.sup.4 is oxy, thio, sulphinyl, sulphonyl or carbonyl and each R is hydrogen, methyl or ethyl;each of Ar.sup.2 and Ar.sup.3 is optionally substituted phenylene;X.sup.2 is oxy, thio, sulphinyl or sulphonyl;R.sup.1 is (1-4C)alkyl; andR.sup.2 and R.sup.3 together form a group of the formula --A.sup.1 --X.sup.3 --A.sup.2 -- which together with the carbon atom to which A.sup.1 and A.sup.2 are attached define a ring having 5 to 7 ring atoms, wherein each of A.sup.1 and A.sup.2 is (1-3C)alkylene and X.sup.

Abstract: Epoxy functional copolymers of a higher .alpha.-olefin, and an unsaturated dicarboxylic acid ester formed by copolymerization of olefin, acid ester and ethylenically unsaturated glycidyl compound can be used to form nitrogen, oxygen, phosphorus and/or sulfur-containing lubricant additives by reaction of the epoxy functionality in such a copolymer with glycidyl-reactive compounds containing nitrogen, oxygen, phosphorus and/or sulfur atoms. Alternatively, the copolymerization reaction can utilize the olefin, unsaturated acid ester, and an ethylenically unsaturated compound containing the nitrogen, phosphorus and/or sulfur atom, which compound is formed by reaction of ethylenically unsaturated glycidyl compound and an epoxy-reactive nitrogen, phosphorus, and/or sulfur-containing compound.

Abstract: This invention relates to compounds of formula ##STR1## in which: R.sub.1 and R.sub.2 are similar or different and are each independently hydrogen or a group selected from CO.sub.2 N.dbd.C(NH.sub.2).sub.2, CONHNHCONH.sub.2, CONHNHCSNH.sub.2, C(OC.sub.2 H.sub.5).dbd.NCO.sub.2 CH.sub.3, COCH.sub.2 CO.sub.2 H.sub.5, N(OH)-CONHCOOC.sub.2 NCO.sub.2 CH.sub.3, COCH.sub.2 CO.sub.2 H.sub.5, N(OH)-CONHCOOC.sub.2 H.sub.5, C(OC.sub.2 H.sub.5).dbd.NH or a nitrogen heterocycle; with the proviso that at least one of the substituents R.sub.1 or R.sub.2 is other than hydrogen;R.sub.3 is a hydrogen, a C.sub.1 -C.sub.6 alkyl, a C.sub.2 -C.sub.6 alkenyl, a C.sub.3 -C.sub.7 cycloalkyl, a phenyl, a phenylalkyl, or a phenylalkenyl;R.sub.4 and R.sub.5 are each independently a C.sub.1 -C.sub.6 alkyl, a C.sub.3 -C.sub.7 cycloalkyl, a phenyl or a phenylalkyl; orR.sub.4 and R.sub.5, bonded together, are either a group of the formula (CH.sub.2).sub.n or a group of the formula (CH.sub.2).sub.p Y (CH.sub.2).sub.

Abstract: Herbicidal sulphonylated carboxamides of the formulaR.sup.1 --CO--NH--SO.sub.2 --(A).sub.n --R.sup.2 (I)in whichn represents the numbers 0 or 1,A represents oxygen, iminio (NH) or methylene (CH.sub.2),R.sup.1 represents a five-membered heteroaryl radical which contains 1 or 2 nitrogen atoms and additionally one oxygen or sulphur atom in the ring and which is optionally substituted by halogen or by alkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, alkylamino, dialkylamino or phenyl which are in each case optionally substituted, andR.sup.2 represents aryl or heteroaryl which are in each case optionally substituted,or salts thereof, with the exclusion of the compound 2-dimethylamino-N-(4-methyl-phenylsulphonyl)-5-thiazole carboxamide.

Abstract: Compounds for therapeutic use of formula: ##STR1## where the chain--W--V--N--represents--N.dbd.N--N--, --N--N.dbd.N--,--O--CO--N--,--O--CS--N--, --S--CO--N--or--S--CS--N--; Ar is an aryl group; and A is a vinyl group or an alkylene chain terminated by CN, methoxy, ethoxy, OH, halogen or NH.sub.2 which may possibly be substituted.

Abstract: The present invention provides a novel series of 2,3,4,5-substituted furo[2,3-c]pyrazole compounds. These compounds are found potent in inhibiting thrombocyte aggregation and antiallergy effect.

Abstract: Substituted 1,3,4 -oxa- diazolinones of the formula (I) ##STR1## in which X represents O andY represents O or S,are disclosed as useful to combat endoparasites.

Abstract: A heterocyclic compound which is useful for dyeing or printing hydrophobic fiber materials and which has the following formula (I), ##STR1##wherein A.sub.1, A.sub.2, A.sub.3 and A.sub.4 are each hydrogen, halogen, alkyl, alkoxy or alkenyl, X.sub.1 is --O-- or the like, R.sub.1 is a methylene or the like, X.sub.2 is a direct linkage or a divalent group of --O--, --S--, --SO--, --SO.sub.2 --, ##STR2## in which R.sub.3 is a hydrogen atom or a C.sub.1-4 alkyl group, ##STR3## in which R.sub.3 is as defined above, T and u are each independently hydrogen or a C.sub.1-4 alkyl, l is O or an integer of 1 to 3, Q is an unsubstituted or substituted 5-, 6- or 7-membered saturated or unsaturated heterocyclic residue, Y is hydrogen, C.sub.1-4 alkyl, a C.sub.1-4 alkoxy group or the like.

Abstract: Hydroquinone diethers of the formula I ##STR1## where A.sup.1 and A.sup.2 are substituted or unsubstituted alkylene;R.sup.1 is hydrogen, halogen or alkyl;R.sup.2 is substituted or unsubstituted pyrazolyl or pyridyl;X is a substituted or unsubstituted 5-membered heteroaromatic radical, are prepared as described using the described intermediates, and are used as pesticides.

Abstract: The present invention is a novel compound which is a thiadiazole or oxadiazole analog of a fenamic acid having a substituted hydroxamate side chain and pharmaceutically acceptable acid addition or base salts thereof, pharmaceutical compositions and methods of use thereof. The invention compounds are now found to have activity as inhibitors of one or both of cyclooxygenase and 5-lipoxygenase providing treatment of conditions advantageously affected by such inhibition including inflammation, arthritis, pain, fever, and the like. Thus, the present invention is also a pharmaceutical composition or method of use thereof.

Abstract: Heterocyclic methyl derivatives of biphenyl oxadiazoles and thiadiazoles are described, as well as methods for the preparation of said derivatives and pharmaceutical compositions of the same, which are useful as antagonists of the angiotensin II enzyme and thus useful in treating hypertension, hyperaldosteronism, congestive heart failure, and glaucoma.

Abstract: Cyclohexenone derivatives of the formula ##STR1## where R.sup.1 is alkyl, R.sup.2 is alkyl, unsubstituted or halogen-substituted alkenyl or alkynyl, X is a substituted or unsubstituted five-membered heteroaromatic radical, and Z is hydrogen, methoxycarbonyl, ethoxycarbonyl, methyl or cyano, processes for their manufacture, and the use of these compounds for controlling undesirable plant growth.

Abstract: Cyclopropane(thio)carboxamides of the general formula I ##STR1## where the index and the substituents have the following meanings: n is 0, 1 or 2, it being possible for the R.sup.2 radicals to be different when n is 2;A.sup.1 and A.sup.2 are substituted or unsubstituted alkylene;R.sup.1 is hydrogen, halogen or alkyl;R.sup.2 is halogen or alkyl;X is substituted or unsubstituted 5-membered heteroaryl, substituted or unsubstituted pyrazolyl-1-oxy or triazolyl-1-oxy; andY is oxygen or sulfur,processes for their manufacture, intermediates therefor, and the use of compounds I.

Abstract: Mercapto-bis-[1,3,4-oxa- and -thiadiazoles] ##STR1## in which X.sub.1 and X.sub.2 independently of one another are oxygen or sulfur, R.sub.1 is hydrogen or C.sub.1 -C.sub.5 alkyl which is unsubstituted or substituted by halogen, C.sub.1 -C.sub.3 alkoxy or cyano; C.sub.3 -C.sub.7 alkenyl which is unsubstituted or substituted by halogen; or C.sub.3 -C.sub.7 alkynyl which is unsubstituted or substituted by halogen,R.sup.2 is hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.1 -C.sub.3 alkoxy which is unsubstituted or substituted by halogen, C.sub.1 -C.sub.3 alkylthio which is unsubstituted or substituted by halogen, C.sub.3 -C.sub.7 alkenylthio which is unsubstituted or substituted by halogen, C.sub.3 -C.sub.7 alkylnylthio which is unsubstituted or substituted by halogen, --SH, phenyl which is unsubstituted or substituted by halogen or ##STR2## in which R.sub.3 and R.sub.4 are C.sub.1 -C.sub.3 alkyl, and processes for the preparation of the compounds of the formula I are described.

Abstract: The present invention relates to an oxadiazolinone derivative represented by the following general formula, a process for producing the same and insecticides containing the same as an active ingredient: ##STR1## wherein R.sup.1 is a haloalkyl group or a haloalkoxy group; R.sup.2 is a halogen atom, nitro group, trifluoromethyl group of 1-pyrrolyl group; R.sup.3 is a bicycloalkyl group, a methyl- or choro-substituted cycloalkyl group, an alkenyl group, a methyl-substituted cycloalkenyl group, 2-methyl-1,3-dithioran-2-yl group or an alkyl group, wherein the alkyl group may be substituted with a halogen atom, an alkoxy group, an alkylthio group, an alkylsulfinyl group, an alkylsulfonyl group or an alkoxycarbonyl group; R.sup.4 is hydrogen atom or fluorine atom; and X is CR.sup.2 or N.The oxidiazolinone derivative can be used as an insecticide by formulating it into emulsifiable concentrates, wettable powders, dusts, granules, flowable concentrates and poison baits, etc..

Abstract: The novel 3,5-ditertiarybutyl-4-hydroxyphenylthio-1,3,4-thiadiazoles and oxadiazoles and 3,5-ditertiarybutyl-4-hydroxyphenylmethanone-1,3,4-thiadiazoles and oxadiazoles and related compounds of the present invention are antiinflammatory agents having activity as inhibitors of 5-lipoxygenase, cyclooxygenase or both.

Abstract: A process for the preparation of a heteroaryloxyacetamide of the formula ##STR1## in which R is a 5 membered heterocycle which may be benzo-fused, andR.sup.1 and R.sup.2 each independently is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl or cycloalkenyl, halogenoalkyl, alkoxyalkyl, alkoxy, aralkyl or aryl, orR.sup.1 and R.sup.2, together with the nitrogen atom to which they are bonded, form a heterocycle,which comprises reacting a sulphonylated heteroaromatic of the formulaR--SO.sub.2 --R'in whichR' is lower alkyl or benzyl,with an .alpha.-oxyacetamide of the formula ##STR2## in which R" is hydrogen or acyl,in the presence of an inorganic base as an acid acceptor and of solvent as a diluent at a temperature of about -50.degree. C. to +150.degree. C. The products are known herbicides.

Abstract: Substituted 1,3,4-oxa- and thiadiazolinones of the formula (I) ##STR1## in which R.sup.1 represents hydrogen, alkyl, alkoxy, alkylthio, halogen, halogenoalkyl, halogenoalkoxy or halogenoalkylthio,R.sup.2 represents one or more identical or different radicals from among hydrogen, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio, alkylenedioxy, halogenoalkylenedioxy, halogen, CN, NO.sub.2, NH.sub.2, alkylamino, dialkylamino, alkylcarbonyl, carbalkoxy, alkylsulphonyl, arylsulphonyl, sulphamoyl, alkylsulphamoyl, dialkylsulphamoyl, aryl, aryloxy or arylthio, which, in turn, can be sutstituted,R.sup.3 represents one or more identical or different radicals from among hydrogen, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio, alkylenedioxy, halogenoalkylenedioxy, halogen, CN, NO.sub.

Abstract: This invention relates to the use of iodopropargyl compounds invention have the structure ##STR1## wherein A is hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, phenyl, phenylalkyl, naphthyl or heterocyclyl; andZ is oxygen (O) or N--R;wherein R is hydrogen, alkyl, cycloalkyl, phenyl, or phenylalkyl as agricultural fungicides and to agricultural fungicidal compositions containing the iodopropargyl compounds.

Abstract: This invention pertains to novel heterocyclic 2,3-dihydrobenzofuran and chromane compounds, including stereoisomers, agriculturally suitable compositions containing them, and their use as broad spectrum herbicides.

Abstract: There is disclosed a mesomorphic compound represented by the following formula (I): ##STR1## wherein A.sub.1 denotes a single bond, ##STR2## denotes ##STR3## X denotes hydrogen, a halogen or cyano group; Y denotes oxygen or sulfur; R.sub.1 and R.sub.2 respectively denotes a linear or branched alkyl, alkoxy, alkylcarbonyloxy, alkoxycarbonyl or alkoxycarbonyloxy group each having 1-18 carbon atoms and each capable of having a substituted of chloro, bromo, cyano, alkoxy or akoxycarbonyl group; and B denotes ##STR4## A ferroelectric liquid crystal composition comprises at least two mesomorphic compounds including at least one mesomorphic compound represented by the formula (I). A ferroelectric liquid crystal device is constituted by disposing the ferroelectric liquid crystal composition between a pair of substrates.

Abstract: 2-Mercapto-1,3,4-oxadiazoles and 2-mercapto-1,3,4-thiadiazoles of the formula I ##STR1## in which X.sub.1 and X.sub.2 independently of one another are oxygen or sulfur, R.sub.1 is difluoromethyl or 3,4,4-trifluoro-3-butenyl, R.sub.2 is hydrogen or C.sub.1 -C.sub.3 alkyl and R.sub.3 is hydrogen, C.sub.1 -C.sub.5 alkyl which is unsubstituted or substituted by halogen or C.sub.1 -C.sub.3 alkoxy, C.sub.3 -C.sub.7 alkenyl which is unsubstituted or substituted by halogen or C.sub.1 -C.sub.3 alkoxy, C.sub.3 -C.sub.7 alkynyl which is unsubstituted or substituted by halogen or C.sub.1 -C.sub.3 alkoxy, or phenyl which is unsubstituted or substituted by halogen, NO.sub.2, CF.sub.3, C.sub.1 -C.sub.3 -alkyl or C.sub.1 -C.sub.3 alkoxy, or wherein, furthermore, R.sub.2 and R.sub.3 together can form the methylene chain (--CH.sub.2 --)n as a constituent of a 5- or 6-membered ring with the heteroatom X.sub.1, in which n is 3 or 4, and processes for the preparation of the compounds of the formula I are described.

Abstract: Novel compounds of formula (I), processes for their preparation, and their use as pharmaceutical agents are described: ##STR1## in which X represents a group ##STR2## wherein one of Y and Z represents nitrogen and the other represents CR where R is selected from halogen, CN, OR.sup.1, SR.sup.1, N(R.sup.1).sub.2, NHR.sup.1, NHCOR.sup.1, NHCOOCH.sub.3, NHCOOC.sub.2 H.sub.5, NHOR.sup.1, NHNH.sub.2, COR.sup.1, COR.sup.2, C.sub.2-4 alkenyl, C.sub.2-4 alkynyl or C.sub.1-2 alkyl substituted with OR.sup.1, N(R.sup.1).sub.2, SR.sup.1, CO.sub.2 R.sup.1, CON(R.sup.1).sub.2 or one or two halogen atoms, in which R.sup.1 is hydrogen or C.sub.1-2 alkyl and R.sup.2 is OR.sup.1, NH.sub.2 or NHR.sup.1 ; and each of p and q independently represents an integer of 2 to 4.

Abstract: Polyhaloalkene compounds of the formula: ##STR1## wherein X is sulfur, oxygen, or nitrogen, Y.sup.1 and Y.sup.2 are fluorine, Z is hydrogen or the same as Y.sup.1 and Y.sup.2, and n is 1-4; provided that:(A) when X is sulfur, Z is fluorine and R is thienyl or substituted thienyl, thianaphthyl or substituted thianaphthyl, thiazolinyl or substituted thiazolinyl, oxadiazolyl or substituted oxadiazolyl, 3,4,4-trifluoro-3-butenyloxycarbonylmethyl, thiadiazolyl substituted by halogen or R.sup.2 S, wherein R.sup.2 is 3,4,4-trifluoro-3-butenyl or R.sup.2 is phenylmethyl or phenylthiomethyl each optionally substituted by halogen or nitro; or R is thiadiazolyl substituted by R.sup.3, wherein R.sup.3 is substituted aryl, arylalkyl, aryloxyalkyl, alkylthio, haloalkylthio, haloarylthio, cyanoalkylthio, arylalkylthio, aryloxyalkylthio, arylthioalkylthio, heterocycloalkylthio, alkenylthio, haloalkenylthio, halocycloalkylalkenylthio, wherein said aryl or heterocyclic groups of R.sup.

Abstract: Novel substituted phenylthioureas, phenylisothioureas and phenylcarbodiimides of formula I ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.10 alkyl, unsubstituted or substituted by one or more halogen atoms and/or C.sub.1 -C.sub.6 alkoxy groups; C.sub.3 -C.sub.6 alkenyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.3 -C.sub.8 cycloalkyl which is substituted by one or more halogen atoms and/or C.sub.1 -C.sub.4 alkyl groups; C.sub.3 -C.sub.8 cycloalkyl-C.sub.1 -C.sub.4 alkyl, di(C.sub.3 -C.sub.8)cycloalkyl-C.sub.1 -C.sub.4 alkyl; C.sub.1 -C.sub.4 phenylalkyl or C.sub.1 -C.sub.4 phenylalkyl which is substituted in the phenyl nucleus by one or more members selected from the group consisting of halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy and/or C.sub.1 -C.sub.4 haloalkyl; or is C.sub.5 -C.sub.6 cycloalkenyl,R.sub.2 is hydrogen, C.sub.1 -C.sub.5 alkyl or C.sub.5 -C.sub.6 cycloalkenyl,R.sub.3 is C.sub.1 -C.sub.5 alkyl or C.sub.5 -C.sub.6 cycloalkyl,R.sub.4 is hydrogen or C.sub.1 -C.sub.3 alkyl,R.sub.

Abstract: This invention pertains to novel heterocyclic 2,3-dihydrobenzofuran and chromane compounds, including stereoisomers, agriculturally suitable compositions containing them, and their use as broad spectrum herbicides.

Abstract: Novel (p-phenoxyphenoxy)-methyl-five-membered heeroaromatic radicals of the formula ##STR1## where the substituents have the following meanings: R.sup.1, R.sup.2, R.sup.3 hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.3 -C.sub.10 -cycloalkyl, nitro or cyano,R.sup.4 hydrogen or C.sub.1 -C.sub.4 -alkyl, and a five-membered heteroaromatic ring, and their use for combating pests.

Abstract: The invention is concerned with novel compounds of the formula ##STR1## wherein R.sup.1 signifies optionally substituted phenyl or pyridyl, R.sup.2 signifies substituted phenyl, X signifies oxygen, sulfur or NR.sup.3, Y signifies oxygen or sulfur and R.sup.3 signifies methyl, halomethyl or 2-propynyl, and their manufacture, pest control compositions which contain said compounds as the active ingredient and the use of the active substances or compositions for the control of pests.

Abstract: A compound of the formula: ##STR1## wherein A is a nitrogen-containing group selected from the group consisting of --NO.sub.2, --NH.sub.2, --N.dbd.C(NH.sub.2)--S--, and --NH--CO--S; X is a fluorine atom or a chlorine atom; and R.sup.2 is a t-butyl group or a 1-methylcyclopropyl group. These compounds are useful as intermediates in the production of herbicidal benzothiazolone compounds.

Abstract: Phosphodiesterase (type III) inhibitors having the formula: ##STR1## which are useful in stimulating cardiac activity and in treating congestive heart failure and bronchoconstriction, pharmaceutical compositions including these inhibitors, and methods of using these compounds to produce phosphodiesterase (type III) inhibition in mammals.

Abstract: The invention relates to novel substituted phenylthioureas, phenylisothioureas and phenylcarbodiimides of formula I ##STR1## wherein Z is ##STR2## or --N.dbd.C.dbd.N--; R.sub.1 is C.sub.1 -C.sub.12 alkyl, C.sub.3 -C.sub.10 alkenyl, C.sub.3 -C.sub.10 alkynyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.1 -C.sub.3 alkyl substituted by 1 or 2 C.sub.3 -C.sub.6 cycloalkyl radicals, or is alkoxyalkyl containing a total of 3 to 10 carbon atoms, halogen-substituted C.sub.1 -C.sub.12 alkyl, polycyclic C.sub.7 -C.sub.10 cycloalkyl, or phenyl(C.sub.1 -C.sub.5)alkyl which may be substituted in the phenyl moiety by 1 or 2 identical or different members selected from the group consisting of halogen, methoxy, ethoxy and C.sub.1 -C.sub.5 alkyl,R.sub.2 is hydrogen or C.sub.1 -C.sub.5 alkyl,R.sub.3 is C.sub.1 -C.sub.5 alkyl or C.sub.3 -C.sub.6 cycloalkyl,R.sub.4 is hydrogen or C.sub.1 -C.sub.4 alkyl,R.sub.