Abstract: New derivatives of formula (I) in which R.sub.1 =H, halogen, alkyl, alkyloxy, CF.sub.3, NH.sub.2, alkylamino, dialkylamino, OH, CH, phenyl or phenoxy, Ar=phenyl, naphthyl, pyridyl, quinolyl, isoquinolyl, thienyl, thieno[2,3-b]thienyl or thieno[3,2-b]thienyl (these groups optionally substituted with halogen, alkyl, alkyloxy, CF.sub.3, NH.sub.2, alkylamino, dialkylamino, OH or CN), p=0, 1 or 2, andA--either Z=valency bond and R.sub.2 =HB--or Z=valency bond and R.sub.2 =pyridyl, quinuclidinyl, 3-pyrrolidinyl, 3- or 4-piperidyl (these groups optionally being substituted with alkyl, hydroxyalkyl, phenyl or phenylalkyl)C--or Z=alkylene radical (1 to 4C) and R.sub.2 =2-, 3- or 4-pyridyl, 3-quinuclidinyl, 2- or 3-pyrrolidinyl, 2-, 3- or 4-piperidyl (optionally substituted with alkyl, hydroxyalkyl, phenyl or phenylalkyl) or R.sub.2 =CON(R.sub.3)(R.sub.4) wherea) either R.sub.3 and R.sub.4 form a piperazine optionally substituted with alkyl, hydroxyalkyl, pyridyl, phenyl or phenylalkyl,b) or R.sub.

Abstract: Substituted-hetero-cyclopentanones and cyclopentenones and derivatives thereof are described, as well as methods for the preparation and pharmaceutical compositions of same, which are useful as centrally acting muscarinic agents and are useful as analgesic agents for the treatment of pain, as sleep aids and as agents for treating the symptoms of senile dementia, Alzheimer's disease, Huntington's chorea, tardive dyskinesia, hyperkinesia, mania, or similar conditions of cerebral insufficiency characterized by decreased cerebral acetylcholine production or release.

Abstract: Substituted isoxazolidin-3-ones and derivatives thereof are described, as well as methods for the preparation and pharmaceutical compositions of same, which are useful as centrally acting muscarinic agents and are useful as analgesic agents for the treatment of pain, as sleep aids and as agents for treating the symptoms of senile dementia, Alzheimer's disease, Huntington's chorea, tardive dyskinesia, hyperkinesia, mania, or similar conditions of cerebral insufficiency characterized by decreased cerebral acetylcholine production or release.

Abstract: Oxazolidin-2-ones and 1,2,4-oxadiazolin-5-ones substituted in the 4-position of the oxazolidin-2-one ring and the 3-position of the 1,2,4-oxadiazolin-5-one ring with a 5- or 6-member heteroaromatic, a bicyclic heteroaromatic group or a 5- or 6-member heterocyclic group either directly or via a one or two carbon bridge and derivatives thereof are described, as well as methods for the preparation and pharmaceutical compositions of same, which are useful as centrally acting muscarinic agents and are useful as analgesic agents for the treatment of pain, as sleep aids and as agents for treating the symptoms of senile dementia, Alzheimer's disease, Huntington's chorea, tardive dyskinesia, hyperkinesia, mania, or similar conditions of cerebral insufficiency characterized by decreased cerebral acetycholine production or release.

Abstract: Preparative method for 3R-(3-carboxybenzyl)-6-(5-fluoro-2-benzothiazolyl)methoxy-4R-chromanol via its salt with quinine.

Abstract: Benzopyran derivatives of the formula ##STR1## where X is the radical ##STR2## and R.sup.1, R.sup.2, R.sup.3, R.sup.4 and also the ring A have defined meanings are used in pressure- or heat-sensitive layers.

Abstract: Novel aminomethyloxooxazolidinyl arylbenzene derivatives, wherein the aryl includes the phenyl, substituted phenyl, pyridyl, and substituted pyridyl groups, such as (l)-N-{3-[4-(4'-pyridyl)phenyl]-2-oxooxazolidin-5-ylmethyl{acetamide, possess useful antibacterial activity.

Abstract: Bicyclic pyrazolidinones which have antimicrobial and/or herbicidal properties are discussed. The use of these compounds in pharmaceutical compositions, herbicidal compositions, and methods for treating bacterial infections and controlling undesired plants is set forth.

Abstract: Disclosed herein is a novel process for producing 1,1-diphenylalkenes, comprising contacting lead peroxide with 1,1-diphenylalkanes having the structure wherein a nitrogen atom of a tertiary amino group is bonded to the para-position of each of the two benzene rings of the 1,1-diphenylalkane, thereby obtaining the corresponding 1,1-diphenylalkenes.

Abstract: The compounds: ##STR1## in which n is one of the integers 0 or 1; andwhen n is 1, R.sup.1 and R.sup.2 are hydrogen or alkyl of 1 to 3 carbon atoms, and R.sup.6 and R.sup.7, taken together, are tetramethylene, pentamethylene or hexamethylene; andwhen n is 0, R.sup.1 and R.sup.2, taken together, are ##STR2## where the dotted line represents optional unsaturation; p is one of the integers 2, 3, 4 or 5;q is one of the integers 1, 2 or 3; andR.sup.3 is ##STR3## where R.sup.4 is hydrogen, alkyl of 1 to 6 carbon atoms; alkoxy of 1 to 6 carbon atoms or halo; and R.sup.5 is hydrogen or halo;or a pharmaceutically acceptable salt thereof are antipsychotic and anxiolytic agents.

Abstract: Novel benzoxazole compound having, at the 2 position, a group bonding through a carbon atom having no or one hydrogen atom and introduced with a chlorine or bromine atom at the 5 position. The compounds are key intermediates useful for preparing 2-amino-5-nitrophenol derivatives which are useful as intermediates for synthesis of industrial materials, reducing agents, antioxidants, cyan-image-forming couplers and the like.

Abstract: Fungicidally and bactericidally active 3-chloro-1,2,4-oxadiazoles of the formula ##STR1## in which R represents optionally substituted aryl or represents optionally substituted heteroaryl.

Abstract: The present invention provides a process for preparing a 5-cyano-2-substituted-1,4-dihydropyridine compound having cardiovascular activity.

Abstract: This invention relates to a novel 1,4-dihydropyridine derivative of the formula ##STR1## wherein R2 is pyridyl, or a salt thereof. These compounds have a vasodilating activity and a platelet aggregation inhibiting activity. Also disclosed are pharmaceutical compositions containing the same.

Abstract: This invention relates to a 1,4-dihydropyridine derivative of the formula ##STR1## wherein Y represents an oxygen or sulfur atom or a vinylene group, Z represents an oxygen or sulfur atom or an alkylene group, R.sup.2 represents an imidazolyl or pyridyl group and the remaining substituents are herein defined. These compounds have a vasodilating activity and a platelet aggregation inhibiting activity.

Abstract: 5-Halogenoalkyl-1,3,4-thiadiazol-2-yloxyacetamides of the formula ##STR1## in which R.sup.1 is halogenoalkyl, with the exception of trifluoromethyl, andR.sup.2 and R.sup.3 each independently is hydrogen, alkyl, alkenyl, alkinyl, in each case optionally substituted cycloalkyl or cycloalkenyl, halogenoalkyl, alkoxyalkyl, alkoxyalkylenoxy, alkoxy, aralkyl or optionally substituted aryl, orR.sup.2 and R.sup.3, together with the nitrogen atom to which they are bonded, form an optionally substituted heterocyclic radical which can contain further hetero-atoms,which possess herbicidal and fungicidal activity. The intermediates 5-chlorodifluoromethyl- and 5-dichlorofluoromethyl-2-chloro-1,3,4-thiadiazole are also new.

Abstract: An improved process for the resolution of (+)-6-methoxy-.alpha.-methyl-2-naphthaleneacetic acid into the corresponding enantiomers by using L-threo-(+)-2-amino-1-(4-nitrophenyl)-1,3-propanediol and L-threo-(+)-2-amino-1-(4-methylmercaptophenyl)-1,3-propanediol.

Abstract: The rhodanine derivatives of the general formula: ##STR1## possess a strong inhibitory activity on aldose reductase, and are useful for the prevention and treatment of nerve disturbances such as neuralgia, retinopathy, diabetic cataract and renal disturbances such as tubular nephropathy.

Abstract: 3-Diazonium salts of pyrazole, useful as intermediates in the preparation of azo dyes are obtained by an oxidative diazotization of 3-amino-pyrazolines with nitrous acid or with nitrosyl-sulphuric acid. The 3-diazonium salts of pyrazole have the following structure: ##STR1## wherein: X is a radical --CO-- or --COO--,n is 0 or 1,R is hydrogen (in such case n is always 0), a normal or ramified alkyl C.sub.1 --C.sub.4, an aromatic or heterocyclic, optionally substituted, radical, in particular a phenyl radical having the structure: ##STR2## in which m may vary from 0 to 3 and substituents R.sub.3, either like or unlike one another for m>1, are alkyls C.sub.1 --C.sub.4 with linear or ramified chain, halogens, a cyano, nitro, sulphonic or carboxylic group, carboxyesters having a linear or ramified chain C.sub.1 --C.sub.4, alkoxyls having a linear or ramified chain C.sub.1 --C.sub.4, trifluoro-methyl groups, acylamino groups having a linear or ramified aliphatic chain C.sub.1 --C.sub.

Abstract: A process for resolving mixtures of 6-oxo-2-piperidinecarboxylic acid enantiomers using quinine is disclosed.