Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › C07D 471 - Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups
Patents for C07D 471 - Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups (64,559)
12/1991
12/27/1991EP0462834A1 Process for producing pyrido [1,2-a]pyrimidine derivative
12/26/1991WO1991010645A3 Chelants
12/25/1991WO1992000296A1 Certain azacycloalkyl imidazopyrimidines; a new class of gaba brain receptor ligands
12/25/1991CN1057262A Cyclic amide derivatives
12/25/1991CN1057257A Imidazole derivatives, their preparation process, intermediates obtained, their use as medicaments and pharmaceutical compositions containing them
12/25/1991CN1015178B Process and intermediates for beta-lactam antibiotics
12/25/1991CA2084288A1 Certain azacycloalkyl imidazopyrimidines; a new class of gaba brain receptor ligands
12/24/1991US5075451 Pyrrolimidazolones useful as renin inhibitors
12/24/1991US5075442 Reacting oxophthalazinyl thioacetamide acetate with hydrogen s ulfide and nitro compound
12/24/1991US5075315 Dopamine, serotonin antagonists
12/24/1991US5075311 Hmg-coa reductase inhibiting substituted pryido (2,3-d) pyrimidines
12/23/1991WO1992000293A1 Bis-benzo or benzopyrido cyclo hepta piperidene, piperidylidene and piperazine compounds and compositions
12/22/1991WO1992000295A1 Tetrahydropyridoindoles as cholecystokinin and gastrin antagonists
12/22/1991CA2068887A1 Tetrahydropyridoindoles as cholecystokin and gastrin antagonists
12/19/1991DE4019080A1 Use of new and known 3,7-di:aza-bi:cyclo(3,3,1)nonane derivs. - as diuretics for treating oedema, coronary insufficiency and hypertonia
12/18/1991EP0461705A2 Agents for treating addiction to habit-forming drugs
12/18/1991EP0461574A2 Medicines containing 3,7-diazabicyclo(3,3,1)nonanes
12/18/1991EP0461501A1 Process for the preparation of quinoline carboxylic acids
12/18/1991CN1015103B Process for preparing 3-halo-1-carbo-3-cephem-4-carboxylic acid and its deriv.
12/17/1991CA1293249C 5-substituted 1,2,4-oxadiazole derivatives and preparation thereof
12/16/1991CA2044673A1 Method of diuretic treatment with 3,7-diazabicyclo[3,3,1] nonane compounds and pharmaceutical compositions therefor
12/15/1991CA2044338A1 Preparation of quinolinecarboxylic acids
12/14/1991CA2044423A1 Agents for treating addiction to habit-forming drugs
12/13/1991WO1991019497A1 Inhibition of 5-lipoxygenase and cyclooxygenase pathway mediated diseases
12/13/1991CA2084290A1 Inhibition of 5-lipoxygenase and cyclooxygenase pathway mediated diseases
12/12/1991WO1991018902A1 SUBSTITUTED 1-H-PYRROLO[2,3-b]PYRIDINE-3-CARBOXAMIDES
12/12/1991WO1991018604A1 Use of tetrahydroisoquinoline derivatives for preparing antitumoral drugs
12/12/1991WO1991018598A1 Derivatives of 6-aminooctahydroindolizinetriol
12/11/1991EP0461079A2 Substituted phthalides and heterocyclic phthalides
12/11/1991EP0461040A1 Imidazol derivatives, their process for production, intermediates, their application as medicaments and the pharmaceutical compositions containing them
12/11/1991EP0460153A1 NEW-$g(b)-CARBOLINS, PROCESS FOR PREPARING THEM AND THEIR USE IN DRUGS
12/11/1991CN1015059B Isoquinoline derivatives
12/10/1991US5072001 Certain optically active substituted 3-pyrraidine acetic acid derivatives useful as intermediates
12/10/1991US5071999 Preparation of 2,7-diazabicyclo[3.3.0]octanes
12/10/1991US5071984 Dc-52 derivatives
12/10/1991US5071855 Pharmacologically active piperidinylimidazopyridine compounds
12/10/1991US5071854 Hydroxytryptamine antagonists
12/10/1991US5071847 Bis (aryl) alkene compounds of homopiperidines useful as serotonin-antagonists
12/10/1991US5071846 Anti-hystaminic [(bicyclic heterocyclyl) methyl and --hetero] substituted hexahydro-1H-azepines and pyrrolidines
12/10/1991CA1292992C Spiro-heteroazolones for treatment of diabetes complications
12/10/1991CA1292989C Hetero [f] fused carbocyclic pyridines as dopaminergic agents
12/09/1991CA2044087A1 Imidazole derivatives, process for their preparation, novel intermediate products, their applications as pharmaceuticals and pharmaceutical compositions holding same
12/06/1991WO1991018901A1 Indole derivative
12/06/1991CA2224047A1 Indole derivatives
12/04/1991EP0459568A2 Substituted oxadiazoles and thiadiazoles for use in the treatment of glaucoma and novel compounds having such use
12/04/1991EP0459505A1 Imidazonaphthyridine derivatives
12/04/1991CN1056691A Sulfonyl compounds and process for preparing same
12/04/1991CN1014992B Quinazolidione and pyridopyrimidine dione and preparing method
12/03/1991US5070205 Alkyl 2-benzylidene-4-(benzimidazol-1-yl) benzoylacetate esters as intermediates
12/03/1991US5070102 Medicaments for the treatment of cerebral apoplexy
12/03/1991US5070100 Complications of diabetes
12/03/1991US5070086 Antiallergy, antiinflammatory, antipsoriasis
12/03/1991US5069711 Herbicidal n-aryl-substituted nitrogen-containing heterocycles
12/03/1991CA1292743C Complex-forming polymers
12/03/1991CA1292710C Fluorescent labels
12/03/1991CA1292694C Inhibition of interleukin-1 by monocytes and/or macrophages
12/01/1991CA2043385A1 Substituted oxadiazoles and thiadiazoles for use in the treatment of glaucoma and novel compounds having such use
11/1991
11/28/1991WO1991017992A1 ANTIPSYCHOTIC HEXAHYDRO-2H-INDENO[1,2-c]PYRIDINE DERIVATIVES
11/28/1991WO1991017991A1 New sulfonyl compounds
11/28/1991DE4016418A1 Colour coupling cpd. - comprises imidazo-(1,5-2)-heterocyclic cpd., used for photographic colour development
11/27/1991EP0458640A2 Use of ergoline derivatives for the treatment of diseases associated with bone demineralization
11/27/1991EP0458624A1 Process for the preparation of lactam derivatives
11/27/1991EP0458551A1 Spiro-isoquinoline-pyrrolidines and analogs thereof useful as aldose reductase inhibitors
11/27/1991EP0458549A1 N-alkyl-spiro-isoquinoline-pyrrolidine tetrones and analogs thereof useful as aldose reductase inhibitors
11/27/1991EP0458459A2 Substituted benzhydryl 2-hydroxypropyl piperazine derivatives
11/27/1991EP0458214A1 Bicyclic 1-azacycloalcanes
11/27/1991EP0458037A1 Bis-aryl amide and urea antagonists of platelet activating factor
11/27/1991CN1056497A Neuroprotective indolone and related derivatives
11/27/1991CN1056494A Bis-aryl amide and urea antagonists of platelet activating factor
11/27/1991CN1056492A Process for preparing pyridine carboxylic acid derivatives
11/27/1991CN1014895B Process for preparation of 4(3h)-oxo-5,6,7,8-tetrahydropyrido-(2,3-d) pyrimidine derivatives
11/26/1991WO1991018900A1 Tetrahydroimidazopyridine derivative or its salt
11/26/1991US5068332 Alkylidene analogs of 1'-aminospiro[isoquinoline-4(1H),3'-pyrrolidine]-1,2',3,5'(2H)-tetrones useful as aldose reductase inhibitors
11/26/1991US5068235 Diazabicycloalkane derivative
11/26/1991CA2082796A1 Tetrahydroimidazopyridine derivatives and salts thereof
11/26/1991CA2042960A1 Method of inhibiting demineralization of bone
11/22/1991WO1991017987A1 Phenol and pyridinol derivatives as pharmaceuticals
11/22/1991CA2081982A1 Phenol and pyridinol derivatives as pharmaceuticals
11/21/1991EP0457686A1 Novel aminopiperidine, aminopyrrolidine and aminoperhydroazepine derivatives, process for their preparation and pharmaceutical compositions containing them
11/21/1991EP0457243A1 Novel tricyclic compounds
11/21/1991DE4116582A1 New bi:cyclic 1-aza-cycloalkane 5HT antagonists - for treating Alzheimer's disorders, and for improving memory
11/20/1991CN1014790B Process for preparing novel benzoxazol-and benzothiazolamine derivatives and their use
11/20/1991CN1014789B Process for preparing replacable bridged heavy nitrogen bicycloalkyl carbostyril carboxylic acid
11/20/1991CA2042860A1 Bicyclic 1-aza-cycloalkanes
11/19/1991US5066828 Difluoroglutamic acid conjugates with folates and anti-folates for the treatment of neoplastic diseases
11/19/1991US5066807 Process for the preparation of castanospermine
11/19/1991US5066800 Qunoline intermediates useful therein for synthesizing antibacterial compounds
11/19/1991US5066680 Novel substituted-acetamide compound and a process for the preparation thereof
11/19/1991US5066659 Spiro-heteroazalones for treatment of diabetic complications
11/19/1991US5066656 Pharmacologically active (6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-5-yl)- and (5,6,7,8-tetrahydroimidazo[1,5-a]pyridin-5-yl) substituted 1H-benzotriazole derivatives
11/19/1991US5066654 2-aryl-3-heterocyclicmethyl-3H-imidazo[4,5-b]pyridines as anxiolytics and anticonvulsants
11/19/1991US5066652 Antiulcer agents
11/19/1991US5066649 8,9-annelated-1,2,3,4-tetrahydro-β-carboline derivatives
11/19/1991CA2042875A1 Aminopiperidin, aminopyrrolidin and aminoperhydroazepin derivatives, their preparation process and pharmaceutical compositions containing them
11/15/1991CA2042443A1 Tricyclic compounds
11/15/1991CA2016829A1 8,10-dideazatetrahydrofolic acid derivatives
11/14/1991WO1991017156A1 Neuroprotective indolone and related derivatives
11/14/1991WO1991016820A1 Photodynamic plant defoliants and chlorophyll biosynthesis modulators
11/14/1991DE4015647A1 New triazolo-(4,3-a)pyridine(s) and N'-(2-pyridyl)-hydrazone(s)
11/13/1991EP0456510A1 Antihypertensive products, a process for their preparation and pharamaceutical compositions containing them
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