Patents
Patents for C07D 401 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom (107,979)
10/1991
10/02/1991CN1054980A Optically active 8-methoxyquinolonecarboxylic acid derivatives, their preparative processes and their intermediates
10/02/1991CN1014147B Improved process for preparing tetrafluorobenzoic acids
10/01/1991WO1991015209A1 Substituted pyrimidines, pyrimidinones and pyridopyrimidines
10/01/1991US5053523 Ethynyl-chroman compounds
10/01/1991US5053517 Process for preparing pyrazolecarboxylic acid compounds
10/01/1991US5053514 Side effect reduction; carbostyril derivatives
10/01/1991US5053511 Analgesics; anticonvulsants; treatment for alzheimers disease
10/01/1991US5053509 Benzo[1,8]naphthyridine derivatives, their preparation and compositions containing them
10/01/1991US5053417 Imidazole derivatives and preparation thereof
10/01/1991US5053413 N-benzylpiperidineisoindolinones
10/01/1991US5053411 N-aryl-N-[4-(1-heterocyclicalkyl)piperidinyl]amides and pharmaceutical compositions and methods employing such compounds
10/01/1991US5053072 Heterocyclic n-acylsulfonamides, and their use as herbicides or growth regulators
10/01/1991CA2079344A1 Substituted pyrimidines, pyrimidinones and pyridopyrimidines
10/01/1991CA2037433A1 Use of guanidine derivatives for the preparation of a pharmaceutical product having pny antagonistic activity
10/01/1991CA1289962C 5-heterocyclic-2,4-dialkyl-3h-1,2,4-triazole-3- thiones and their use as antidepressants
10/01/1991CA1289961C Quinolonecarboxylic acid derivative and process for its preparation
10/01/1991CA1289958C Process for preparing novel n-substituted 3,4-dihydropyrimidine derivatives
10/01/1991CA1289956C Naphthyridine- and quinolonecarboxylic acids as antibacterial agents
09/1991
09/29/1991WO1991014675A1 Bicyclo[3.3.)]octane derivatives, process for producing them and their pharmaceutical use
09/29/1991CA2058922A1 Bicyclo{3.3.0}octane derivatives, process for their production and their pharmaceutical use
09/29/1991CA2038692A1 Piperidine ether derivatives as psychotropic drugs or plant fungicides
09/29/1991CA2038681A1 N-aralkyl piperidine derivatives as psychotropic drugs
09/27/1991CA2039016A1 Fungicidal azolylethane derivatives
09/27/1991CA2038962A1 Aminobenzene compounds, their production and use
09/26/1991DE4009481A1 New pyrimidinyl:oxy(thio)-and tri:azinyl:oxy(thio)-alkanoic acid deriv
09/25/1991EP0448206A2 Substituted benzimidazole and indazole derivatives, processes for their preparation and their use as herbicides
09/25/1991EP0447484A1 Antibacterial quinolone compounds
09/24/1991US5051517 Process for the preparation of herbicidally active 3-amino-5-aminocarbonyl-1,2,4-triazoles
09/24/1991US5051515 Viricides
09/24/1991US5051510 Piperidine derivatives as antihistaminics
09/24/1991US5051509 Antibiotics
09/24/1991US5051505 Process for preparing piperazinyl quinolone derivatives
09/24/1991US5051459 N-Triazinyloxalamides
09/24/1991US5051441 Immunomodulators and cardiovascular disorders
09/24/1991US5051440 Nitrogen-containing heterocyclic compounds with antifungal action, use and a composition thereof
09/24/1991US5051434 Insecticidally active nitro guanidine compounds
09/24/1991US5051433 For treatment of cardiovascular disorders such as hypertension
09/24/1991US5051430 Analgesics and antiinflammatory agents
09/24/1991US5051427 Quinoline derivatives as antagonists of leukotriene D4
09/24/1991US5051418 Antibacterial 8-cyano-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids
09/24/1991CA1289565C2 Dihydropyridine-3,5-dicarboxylic acid ester derivatives
09/23/1991CA2012998A1 Compounds
09/19/1991WO1991013879A1 Triazole compound and insecticide
09/18/1991EP0447345A2 New Azaspyro [4.5] decane-7,9-dione derivatives
09/18/1991EP0447164A1 Heterocyclic compounds
09/18/1991EP0446961A2 Stabilized pharmaceutical composition and its production
09/18/1991EP0446751A1 Glycolic acid derivatives
09/18/1991EP0446604A2 Pyridine and related aza heterocycle derivatives as cardiovascular agents
09/18/1991EP0446603A2 N1-Substituted benz(CD) indol-2-imine derivatives as cardiovascular agents
09/18/1991CN1054600A Tricyclic-cyclic amines as novel cholinesterase inhibitors
09/18/1991CN1054599A Heterocyclic compounds
09/18/1991CN1054590A 6-aryl-2-substituted benzoic acid herbicides
09/18/1991CN1054588A Side chain homologe vitamin-d-derivatives, process for preparing same, pharmaceutical preparation containing same and use as medicine
09/17/1991WO1991013876A1 Imidazoles
09/17/1991US5049674 Therapeutically active fluoro substituted benzimidazoles
09/17/1991US5049570 Pyridylphenyl nitrogen heterocycle-substituted carbinols and derivatives thereof with anti-inflammatory activity
09/17/1991US5049569 Acylated ureas
09/17/1991US5049567 Antisecretory agents
09/17/1991US5049566 Imidazole [4,5-c] pyridine derivatives having gastric acid antisecretory activity and pharmaceutical compositions containing them
09/17/1991US5049564 Hypotensive, 5-hydroxytryptamine
09/17/1991US5049561 Anthelmintic acylhydrazones, method of use and compositions
09/17/1991US5049558 Quaternized nitrogen-heterocycle substituted
09/17/1991US5049464 Photosensitive member for electrophotography
09/17/1991US5049181 Novel herbicidally active n-phenyl-azoles
09/17/1991CA2078208A1 Imidazoles
09/17/1991CA2038317A1 Pyridine and related aza heterocycle derivatives as cardiovascular agents
09/17/1991CA2038282A1 Glycolic acid derivatives
09/17/1991CA1289142C Method for controlling weeds
09/17/1991CA1289139C Quinazoline derivatives and a process for their production
09/16/1991WO1991013872A1 Therapeutically useful heterocyclic indole compounds
09/16/1991CA2075057A1 Therapeutically useful heterocyclic indole compounds
09/15/1991CA2038199A1 1,2,5,6-tetrahydropyridin-3-carboxaldehyde oxime derivatives, a process for their preparation and their application as medicaments
09/15/1991CA2038055A1 N1-substituted benz¬cd|indol-2-imine derivatives as cardiovascular agents
09/13/1991WO1991013873A1 Heterocyclic compounds
09/13/1991CA2078147A1 Heterocyclic compounds
09/11/1991EP0445974A2 Spirocyclic antipsychotic agents
09/11/1991EP0445931A1 A 4-tert.-butyl imidazole derivative and its production and use
09/11/1991EP0445811A2 Nitrogen-containing heterocyclic compounds, their production and use
09/11/1991EP0445731A1 Azabicyclo and azacyclo oxime and amine cholinergic agents and pharmaceutically acceptable salts thereof
09/11/1991EP0445701A1 Novel tetrahydropyridine derivatives
09/11/1991EP0236342B1 Amino acid derivatives
09/11/1991CN1013865B Quinoline derivatives
09/10/1991US5047554 3-substituted-2-oxindole derivatives
09/10/1991US5047543 1,4-dihydropyridine derivatives
09/10/1991US5047538 Quinolinecarboxylic acid antibacterial agents
09/10/1991US5047531 For polymers
09/10/1991US5047521 Anticarcinogenic agents
09/10/1991US5047414 2-(aminoalkylthio)methyl-1,4-dihydropyridine, a method for the preparation thereof and pharmaceutical compositions containing them
09/10/1991US5047411 Antiulcer Agents, H2-Receptor Antagonists
09/10/1991US5047410 Indolyl derivatives and their use as 5-HT3, receptor antagonists
09/10/1991US5047409 Thiazolidine-4-carboxylic acid salt with 6-piperidino-2,4-diaminopyrimidine-3-oxide
09/10/1991US5047406 Substituted cyclohexanols as central nervous system agents
09/10/1991US5047402 Leukotriene Antagonists
09/10/1991CA1288712C Use of gyrase inhibitors for decontamination of mycoplasma-infectedcell culture
09/09/1991WO1991013875A1 Sulfonamide derivative and pharmaceutical composition containing the same
09/08/1991WO1991013874A1 Derivatives of glycinamide, their preparation and medicaments containing them
09/08/1991CA2074357A1 Glucinamid derivatives, their preparation and drugs containing them
09/06/1991CA2037566A1 Tetrahydropyridine derivative
09/06/1991CA2037467A1 Spirocyclic antipsychotic agents
09/05/1991WO1991013071A1 Novel trisubstituted pyrrols, process for their production and medicaments containing these compounds