Patents
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Patents for C07D 241 - Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings (18,673)
08/1989
08/16/1989EP0327808A1 Substituted 3-aminosydnonimines, process for their preparation and their use
08/15/1989US4857645 Process for introducing a thiocarboxylic ester group at the orthoposition of phenols or phenylamines
08/15/1989CA1258453A1 Piperazinecarboxamides having a phenoxyalkyl or thiophenoxyalkyl side chain
08/10/1989DE3902818A1 Neue dione und derivate davon New diones and derivatives thereof
08/08/1989US4855431 Process for making alkyl pyrazines
08/08/1989US4855430 Polycyclicamine with psychotropic activity
08/02/1989CN1034366A Non-peptidic renin inhibitors
08/01/1989US4853400 Fungicides
07/1989
07/26/1989EP0325559A2 Process for the preparation of complex compounds
07/25/1989US4851028 Method of combating undesirable plant growth and of regulating plant growth
07/19/1989EP0324408A1 N-Substituted N-nitrosoaminoacetonitriles, process for their preparation and their use
07/18/1989US4849422 Pharmacologically active alkylol derivatives
07/18/1989US4849009 2-arylmethyliminopyrazines pyrazines, compositions and method of combating undesirable plant growth and of regulating plant growth
07/12/1989EP0323727A2 Heterocyclic-alkylene quinoxalinyloxyphenoxy propanoate herbicides
07/11/1989US4847294 Derivatives of 2-(substituted sulfamyl)-6-nitrobenzoic acids, useful as adjuncts to radiation therapy
07/11/1989US4847291 Arylethanol-hydroxylamines for promotion of livestock production
07/11/1989US4847287 Pure enantiomers of 4,5-disubstituted gamma-butyrolactams, and their use as antiamnestic agents
07/11/1989CA1257267A1 Compound 1,4-diisopropyl-2,5-diketopiperazine
07/11/1989CA1257266A1 Process to prepare 2,5-diketopiperazines
07/11/1989CA1257265A1 Piperazine compound, preparation thereof and use thereof
07/04/1989US4845284 Sensitizers
07/04/1989US4845222 Pyocyanine derivatives and process for their manufacture
07/04/1989US4845221 Antidepressants, anxiolytic agents
07/04/1989US4845119 Antiaandrogens
07/04/1989US4845101 Pyrazine diazohydroxide compositions and method of use as cytostatic agent
07/04/1989CA1256875A1 Alkene, alkyne or cycloalkylene derivatives
06/1989
06/29/1989WO1989005810A1 Processes for the production of amines
06/27/1989CA1256436A1 2,3-bis(arylethenyl)quinoxalines, a process for their preparation, and their use as photoconductive compounds
06/27/1989CA1256435A1 Substituted heteroaryl fungicides
06/21/1989EP0321296A1 Lipid derivatives their preparation and use
06/21/1989EP0321274A1 Derivatives of thioformamide
06/21/1989EP0321192A2 Non-peptidic renin inhibitors
06/20/1989US4841053 Process for desensitizing a 1-(alkylamino)alkyl-polysubstituted piperazinone during recovery
06/20/1989US4840961 Fungicides
06/20/1989US4840890 Hardened proteinic binder layer
06/07/1989CN1033277A Substituted tetralins, chromans and related compounds in treatment of asthma
06/06/1989US4837319 1-substituted alkyl-1,2-dihydro-2-pyrazinone derivatives
06/06/1989CA1255310A1 4-phenyloxyalkyl-1,2,4-triazol-3-one antidepressants
05/1989
05/31/1989EP0318423A2 Liquid crystalline cyclopropyl alkyl or alkenylhetero rings, process for their preparation and their use in liquid-crystal mixtures
05/30/1989US4835179 Antiulcer dihydrodibenzocycloheptyliden-ethylamine derivatives and process for the preparation of these compounds
05/30/1989US4835156 Vasodilatory dihydrodibenzocycloheptyliden-ethyl piperazine derivatives and process for the preparation of these compounds
05/30/1989US4834904 Nitrogen-containing heterocycles
05/24/1989EP0317484A2 N,N'-carboxyl-bis-(4-ethyl-2,3-dioxo)-piperazine, process for the preparation thereof and use thereof
05/24/1989EP0317188A2 Heteroaromatic enamide derivatives and their use as pesticides
05/24/1989EP0316945A1 Electrochemical synthesis of 2-methyl-5-pyrazinoic acid
05/24/1989DE3819025A1 Process for the preparation of alkoxybenzene compounds
05/23/1989US4833142 Blood-pressure lowering 4-bicyclic-1-piperazinyl-alkyl amides
05/18/1989WO1989004308A1 Pyrazine derivatives and medicinal preparation containing same
05/17/1989EP0315959A2 Quinoxaline compounds and their preparation and use
05/10/1989EP0315014A2 Halogenated benzene derivatives
05/10/1989EP0314779A1 Stabilized gamma-irradiated polypropylene and sterilizable articles thereof
05/05/1989WO1989003681A1 Substituted tetralins, chromans and related compounds in the treatment of asthma
05/03/1989CN1032660A Herbicidal sulfonylurea derivatives
05/02/1989US4827037 Phosphorus containing catalyst; including hydrogen to stabilize color
05/02/1989US4826996 1,8,-dihydroxy-9-anthrones substituted in the 10-position
05/02/1989US4826990 2-aryl substituted heterocyclic compounds as antiallergic and antiinflammatory agents
05/02/1989US4826844 Substituted 1-(aralkyl-piperazinoalkyl) cycloalkanols
05/02/1989US4826833 6-(Substituted)methylene-penicillanic and 6-(substituted)hydroxymethylpenicillanic acids and derivatives thereof
05/02/1989CA1253501A1 Azetidinyl sulfonic acid and analogs
05/02/1989CA1253486A1 Cephalosporins, processes for producing the same, antibacterial agent containing the same, intermediates thereof and process for producing the intermediates
04/1989
04/26/1989EP0313311A2 Herbicidal sulfonamides
04/26/1989EP0313296A2 Substituted chromans and related compounds in the treatment of asthma
04/25/1989US4824840 Carbostyril derivatives and pharmaceutical preparations containing same
04/25/1989CA1253148A1 1-piperazinecarboxamide derivatives
04/20/1989WO1989003416A1 Ferroelectric liquid crystalline phases
04/20/1989DE3733818A1 Ferroelektrische fluessigkristalline phasen Ferroelectric phase fluessigkristalline
04/18/1989US4822845 Rubber compositions modified with heterocyclic di-N-oxides
04/18/1989US4822790 Antimicrobiocides or beta-lactamase inhibitors
04/18/1989CA1252786A1 Substituted spiro-quinolines, spiro-naphthyridines and spiro-(aza-naphthyridines), pharmaceutical compositions containing them and processes for the preparation of such compounds and compositions
04/18/1989CA1252782A1 Perester compounds
04/12/1989EP0311378A2 6-Substituted alkoxy-2-oxo-1, 2-dihydroquinoxaline derivatives
04/12/1989EP0311010A2 Alpha,Alpha-disubstituted aromatics and heteroaromatics as cognition enhancers
04/11/1989US4820839 Liquid crystals
04/11/1989US4820707 Treating psychological disorders
04/05/1989EP0310370A1 2-aryl substituted heterocyclic compounds as antiallgeric and anti-inflammatory agents
04/05/1989EP0310268A2 Substituted cycloalkanols
04/04/1989CA1252097A1 Process for the extraction of metal values using hydrocyclic compounds containing two nitrogen hetero-atoms and metal extractants
03/1989
03/29/1989EP0309424A2 New amidino derivatives
03/29/1989EP0309400A2 N-acyloxy hindered amine stabilizers
03/29/1989EP0309203A2 Flavorant-release additives and compositions containing them
03/29/1989EP0308895A1 Dicyanopyrazine compounds, process for their preparation and fungicide
03/29/1989EP0308885A1 Derivatives of d-glutamic acid and d-aspartic acid
03/23/1989WO1989002431A1 Derivatives of d-glutamic acid and d-aspartic acid
03/21/1989US4814447 Preparation of hydroxyalkylpiperazinones by reacting an alkylene oxide with decahydropyrazino[2,3-b]pyrazine or its substituted derivatives
03/21/1989US4814444 Process for the selective reduction of 2-hydroxyquinoxaline-4-oxides
03/21/1989US4814443 Preparation of hydroxyalkylpiperazinones by reacting glyoxal with hydroxyalkyldiamines
03/15/1989EP0307103A2 Fungicides
03/15/1989EP0307101A2 Chemical process
03/15/1989EP0306521A1 Ethine derivatives as compounds of liquid crystal phases.
03/15/1989EP0306505A1 Acetylene derivatives as components of liquid crystal phases.
03/15/1989CN1031709A Optically active liquid crystal components
03/14/1989US4812458 6,7-disubstituted-2,3-dihydroxyquinoxaline compounds, pharmaceutical compositions thereof, and their use as neuroleptics
03/14/1989US4812163 Phenoxyacetic acids and herbicides comprising them as active ingredients
03/14/1989CA1251208A1 Fused tricyclic derivatives of naphthyridinone, pyridone and quinolone and the corresponding thiones
03/08/1989EP0305593A2 Intermediates for cyanamides of 2-pyridinyloxyphenoxypropionic acid
03/08/1989EP0305492A1 Phospholipase a 2? inhibitors
03/01/1989EP0304965A2 Fluorophenoxy compounds, herbicidal compounds and processes
03/01/1989EP0304758A1 N,N'-diacylaminals
03/01/1989EP0304738A2 Optically active liquid-crystal components
03/01/1989CN1031378A Antibiotic compounds
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