Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › C07D 487 - Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups
Patents for C07D 487 - Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups (57,272)
06/1991
06/26/1991EP0434561A2 1-Naphthyl-piperazine derivatives, process for their preparation and pharmaceutical compositions containing them
06/26/1991EP0434426A1 Condensed heterocyclic compounds, their production and use
06/26/1991EP0434385A2 Use of macrocyclic nitrogen containing compounds for the treatment of retroviral infections
06/26/1991EP0434148A1 Photographic material and process comprising a pyrazolotriazole coupler
06/26/1991EP0434057A2 Indolocarbazole derivatives, processes for their preparation and their use
06/26/1991EP0434038A1 Fused imidazole derivatives, their production and use
06/26/1991EP0433855A2 N- and O-substituted aminophenol derivatives, intermediates for their preparation, their use as hydrolase substrates, a corresponding assay and diagnostic agents
06/26/1991EP0433854A2 3-Aminopyrazolo heterocycles, their use for the determination of hydrogen peroxide, hydrogen peroxide forming systems, peroxidase, peroxidant active substances or electron rich aromatic compounds, corresponding determination process and agents
06/26/1991EP0433648A1 Substituted pyrimidobenzimidazole derivatives
06/26/1991CN1012959B Process for preparation of benzodiazepine
06/25/1991US5026867 Improved hue and high molecular extinction coefficient; sharp visible absorption spectra; color photography
06/25/1991US5026836 6-sulfenamide, 6-sulfinamide and 6-sulfonamide purines, purine nucleosides, purine nucleotides, pharmaceutical compositions, and processes of making
06/25/1991US5026703 Peptide oxytocin antagonists
06/25/1991US5026696 Psychotic disorders, anziety, nausea and vomiting
06/25/1991US5026640 Process for the conversion of corrinoids produced by microorganisms into cyanocorrinoids
06/24/1991WO1991009858A1 NEW-β-CARBOLINS, PROCESS FOR PREPARING THEM AND THEIR USE IN DRUGS
06/24/1991CA2050917A1 Beta-carbolines, process for their production and their use in pharmaceutical agents
06/23/1991CA2032831A1 Fused imidazole derivatives, their production and use
06/23/1991CA2032828A1 Triazolylsulfonamides
06/21/1991CA2032713A1 Novel (1-naphthyl)piperazine derivatives; process for preparing the same and pharmaceutical compositions containing them
06/21/1991CA2032695A1 Condensed heterocyclic compounds, their production and use
06/20/1991CA2029589A1 Photographic material and process comprising a pyrazolotriazole coupler
06/19/1991EP0433220A2 Substituted naphthalocyanine and its use
06/19/1991EP0433163A2 Process for the preparation of imidazobenzodiazepines and their salts
06/19/1991EP0433149A2 Serotonin antagonists, their preparation and pharmaceuticals containing them
06/19/1991EP0433036A2 Polycyclic nitrile compounds and pharmaceutical compositions thereof
06/19/1991EP0432975A1 Cyclic renin inhibitors
06/19/1991EP0432974A1 Cyclic renin inhibitors
06/19/1991EP0432677A1 N-(pyrrolo[2,3-d]pyrimidin-3-ylacyl)-glutamic acid derivatives
06/18/1991US5024926 Heat, light, weather resistance; for optical recording media, filters, liquid crystal displays
06/18/1991US5024693 Pre- and postemergent
06/18/1991CA1284952C Use of specific n-methyl-d-aspartate receptor antagonists in the prevention and treatment of neurodegeneration
06/14/1991CA2032124A1 Polycyclic nitrile compounds and pharmaceutical compositions thereof
06/14/1991CA2032104A1 Serotonin antagonists, preparation thereof and medications containing them
06/13/1991WO1991008510A2 Organic optical elements and nonlinear optical devices
06/13/1991WO1991007968A1 Hydrochloride 2,3,3a,4,5,6-hexahydro-8-cyclohexyl-1h-pyrazino (3,2,1-j,k)carbazol, method of obtaining it and a pharmaceutical preparation of antidepressive action based on it
06/12/1991EP0432099A2 Hydrogenated nitrogen containing heterocycles
06/12/1991EP0431972A2 Macrocyclic lactones having renin inhibiting properties
06/12/1991EP0431953A2 Pyrrolopyrimidine derivatives, their production and use
06/12/1991EP0431794A2 3-Fluorosulfonyloxyceph-3-EM displacement process
06/12/1991EP0431605A2 1-Azabicyclo[m.n.O]alkane derivatives, their salts and process for preparing them
06/12/1991EP0431008A1 Mitomycin derivatives having reduced bone marrow toxicity, processes for their preparation, and the uses thereof
06/12/1991CA2031898A1 Chemical compounds
06/11/1991US5023340 Glycosidase inhibitors
06/11/1991US5023338 Renin inhibitors
06/11/1991US5023257 Related to ciprofloxacin, in the form of oily suspension; bacterial infections
06/11/1991US5023253 Antitumor agents
06/09/1991CA2031769A1 Pyrrolopyrimidine derivatives, their production and use
06/09/1991CA2031755A1 Cyclic renin inhibitors
06/09/1991CA2031745A1 Cyclic renin inhibitors containing 2-substituted(3s, 4s)-4-amino-5-cyclohexyl-3-hydroxy pentanoic acid, 2-substituted (3s, 4s)-5-cyclohexyl-3,4-dihydroxy-pentanoic acid or 2 -substituted (4s, 5s)-5-amino-6- yclohexyl-4-hydroxyhexanoic acid or its analogs
06/09/1991CA2031735A1 Cyclic renin inhibitors containing 3(s)-amino-4-cyclohexyl-2(r)-hydroxy-butanoic acid or 4-cyclo-hexyl-(2r, 3s)-dihydroxybutanoic acid or related analogs
06/09/1991CA2031682A1 Hydrogenated nitrogen heterocycles
06/05/1991EP0430201A2 Aminocarbonylcarbamates related to physostigmine, a process for their preparation and their use as medicaments
06/05/1991EP0430190A2 New tricyclic compounds
06/04/1991US5021591 Pyrazolo[1,5-a]pyrimidine-2-sulfide compounds
06/04/1991US5021562 Method for azide displacement of α-triflates of 1,5-lactones
06/04/1991US5021427 Interfere with glycoprotein processing in influenza-infected cells
06/04/1991US5021418 Antihypertensive benzopyran compounds
06/04/1991US5021411 Imidazodiazepine derivatives
06/04/1991US5021409 Antiviral cyclic polyamines
06/04/1991US5021325 Photographic material and process comprising a pyrazolotriazole coupler
05/1991
05/30/1991WO1991007406A1 Derivatives of a transition metal having a porphyrinic structure, and use of this derivative in drug manufacturing
05/29/1991EP0429344A1 Pyridazine derivatives, process for their preparation and pharmaceutical compositions containing them
05/29/1991EP0429149A1 Tricyclic pteridinones and a process for their preparation
05/29/1991EP0429098A1 Photographic silver halide materials and process comprising a pyrazoloazole coupler
05/29/1991EP0428902A1 Silver halide color photographic materials
05/29/1991EP0295280B1 Use of protoporphyrin and tin mesoporphyrin for the manufacture of a medicament for the treatment of psoriasis
05/28/1991CA1284500C2 Carbapenem antibiotics
05/28/1991CA1284494C Phthalocyanine treatment process
05/23/1991WO1991007408A1 Imidazoquinoxaline compounds, their preparation and use
05/23/1991WO1991007407A1 Imidazoquinoxaline compounds, their preparation and use
05/23/1991DE3930805A1 Liq. poly:iodide(s) with good electrical conductivity - are reaction prods. of monomeric poly-functionally substd. amine- or thio:ether cpd. and iodo:hydrocarbon cpd.
05/23/1991CA2073046A1 Imidazoquinoxaline compounds, their preparation and use
05/23/1991CA2073041A1 Imidazoquinoxaline compounds, their preparation and use
05/23/1991CA2030392A1 Substituted naphthalocyanines and their use
05/22/1991EP0428013A2 Heterocyclic compounds and porphyrincompounds obtained from them
05/22/1991CN1051561A Aqueous process for the preparation of 5-methyl-n-(aryl) -1,2,4-triazolo (1,5-a) pyrimidine-2-sulfonamides
05/22/1991CN1051560A Positive inotropic and lusitropic 3,5-dihydro-imidazo (2,1-6) quinazolin-2(1h)- one derivatives
05/22/1991CA2028530A1 Substituted pyrimidobenzimidazole derivatives
05/21/1991US5017706 Monoketopyrrolopyrroles
05/21/1991US5017596 Arylpyrazolylcarbinol compounds with analgesic activity
05/21/1991US5017574 Novel imidazobenzodiazepines
05/18/1991CA2030133A1 Pyridazine derivatives, process for their preparation and pharmaceutical compositions containing them
05/16/1991WO1991006548A1 Inhibitors of purine nucleoside phosphorylase
05/15/1991EP0427694A1 Synthesis of mannojirimycin derivatives
05/15/1991EP0427693A1 Method for azide displacement of alpha-triflates of 1,5-lactones
05/15/1991EP0427690A1 Process for the preparation of heme/hemin
05/15/1991EP0427390A2 Azabicyclic compounds, process and intermediates for their preparation and pharmaceutical compositions containing them
05/15/1991EP0427335A1 An aqueous process for the preparation of 5-methyl-N-(aryl)-1,2,4-triazolo (1,5-a)pyrimidine-2-sulfonamides
05/15/1991EP0427031A2 N-aryl-nitrogen heterocycles
05/15/1991EP0426717A1 Optical memory.
05/15/1991CN1051360A Tetracyclic compounds having anti-allergic and anti-asthmatic activities, their prepn. and use
05/15/1991CN1051358A Condensed imidazole derivatives and processes for prepn. thereof
05/14/1991US5015742 Synthesis and elucidation of azamitosene and iminoazamitosene
05/14/1991US5015738 Benzo(b)pyrrolobenzodiazepines
05/14/1991US5015655 1-azabicycloalkane derivatives, their preparation process and their use as medicaments
05/14/1991US5015463 Porphyrins for fluorescent detection of tumor cells
05/14/1991US5015286 Herbicides for wheat
05/14/1991US5015284 Alkyl- and alkenylsulfonylureas which are substituted in the heterocycle, and their use as herbicides or plant growth regulators
05/08/1991EP0426225A2 (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
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