Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › C07D 257 - Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
Patents for C07D 257 - Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms (9,612)
01/1994
01/02/1994CA2099447A1 Angiotensin ii receptor antagonists for the treatment and prophylaxis of coronary heart disease
01/02/1994CA2099425A1 Angiotensin ii receptor antagonists for the treatment of disturbances in cardiac rhythm
01/02/1994CA2095487A1 1,2,4-trioxygenated benzene derivatives useful as leukotriene antagonists
12/1993
12/31/1993CA2099309A1 Carboxylic acid derivatives
12/29/1993EP0576089A2 Photographic material and process comprising a coupler capable of forming a wash-out dye
12/29/1993EP0576088A1 Photographic material and process comprising a coupler capable of forming a wash-out dye (C/C)
12/29/1993EP0576087A1 Photographic material and process comprising a coupler capable of forming a wash-out dye (Q/C)
12/29/1993EP0576052A1 Method of forming a photographic coupler capable of forming a wash-out dye
12/29/1993EP0269656B1 Novel malonic acid derivative compounds and compositions thereof for retarding plant growth
12/23/1993WO1993025243A2 Metal complexes formed with macrocyclic ligands for use in imaging techniques
12/22/1993EP0574787A2 Benzimidazole derivatives as angiotensin II antagonists
12/22/1993EP0574769A1 Use of specific counteranions to modify the solubility of tetrazolium salts
12/22/1993CN1079732A Pharmaceutical compounds
12/21/1993US5272167 Pharmaceutically active compounds
12/21/1993US5271927 Antibody conjugates with macrocyclic ligands
12/21/1993CA1325431C Di-t-butylphenols substituted by an alkoxy or benzyloxy group or a benzylthio group
12/21/1993CA1325430C Di-t-butylphenyl alkyl and benzyl ethers
12/21/1993CA1325428C Photographic system utilizing a compound capable of providing controlled release of a photographically useful group
12/15/1993EP0573956A2 Color developer and processing method using the same
12/15/1993CN1023054C Oxo-1, 2-dihydroindene and tetrahydronaphthalene herbicide
12/15/1993CA2074665A1 Process for labeling substances with technetium or rhenium
12/14/1993CA2098243A1 Benzimidazole derivatives
12/09/1993WO1993024469A1 PROCESS FOR PRODUCING N-β-HYDROXYALKYL-TRI-N-CARBOXYALKYL-1,4,7,10-TETRAAZACYCLODODECANE AND N-β-HYDROXYALKYL-TRI-N-CARBOXYALKYL-1,4,8,11-TETRAAZACYCLOTETRADECANE DERIVATIVES AND THEIR METAL COMPLEXES
12/09/1993WO1993024465A1 2/3-(heterocyclic alkyl amino)-1-(subst.-phenyl-methoxy)-ethanes/propanes as tachykinin-receptor antagonists
12/09/1993WO1993021963A3 Carboxamide modified polyamine chelators and radioactive complexes and conjugation
12/09/1993DE4218744A1 Verfahren zur Herstellung von N-ß-Hxdroxyalkyl-tri-N-carboxylalkyl-1,4,7,10-tetraazacyclododecan- und N-ß-Hydroxyalkyl-tri-N-carboxyalkyl-1,4,8,11-tetraazacyclotetradecan-Derivaten und deren Metallkomplexe A process for the preparation of N-ß-Hxdroxyalkyl-tri-N-carboxyalkyl-1,4,7,10-tetraazacyclododecane and N-.beta.-hydroxyalkyl-tri-N-carboxyalkyl-1,4,8,11-tetraazacyclotetradecane derivatives and metal complexes thereof
12/08/1993EP0572855A1 1-(3-Halo-4-substituted phenyl)tetrazolinone derivatives, their preparation and their use as herbicides
12/08/1993EP0572547A1 SUBSTITUTED $g(a)-AMINOALDEHYDES AND DERIVATIVES
12/07/1993US5268469 A 1,3,5,7-tetranitro-1,3,5,7-tetrazacyclooctane
12/02/1993DE4217534A1 New 1-amido:alkyl-di:, tri: or tetrazole derivs. - used as corrosion inhibitors for copper or aluminium, preservatives, disinfectants and textile finishing agents
12/01/1993EP0571855A1 1-(3-Halo-4-trifluoromethyl-phenyl)tetrazolinone derivatives, their preparation and their use as herbicides
12/01/1993EP0571854A1 1-(3,4-Disubstituted phenyl)tetrazolinone derivatives, their preparation and their use as herbicides
12/01/1993EP0541706A4 Process and intermediate for the preparation of 2-hydroxy-3-sulfido-3-phenyl propanoic acids
11/1993
11/29/1993CA2096903A1 1-(3,4-disubstituted phenyl)tetrazolinone derivatives
11/29/1993CA2096900A1 1-(3-halo-4-trifluoromethylphenyl)tetrazolinone derivatives
11/25/1993WO1993020852A3 Macrocyclic chelating agents, chelates and conjugates thereof
11/25/1993WO1993019720A3 Compounds
11/24/1993CN1022839C Functionized polymine cheiants and rhodium complexes thereof and process for their preparation
11/23/1993US5264583 Photographic coupler and method of making the same
11/23/1993US5264582 Method of forming a photographic coupler capable of forming a wash-out dye
11/23/1993CA1324609C Photographic element and process
11/18/1993EP0570091A1 Anthraquinone derivatives, process for their preparation and their use as medicaments
11/18/1993EP0569794A1 Biphenylmethyl-substituted pyridones useful as angiotensin II receptor antagonists.
11/18/1993EP0569533A1 Aryl macrocyclic compositions for treating viral infections
11/16/1993US5262433 Tetrazoleacetic acid derivatives and method of aldose reductase inhibition therewith
11/16/1993US5262432 Inhibitors of monoamine oxidase, neurological disorders
11/16/1993US5262390 Plant growth regulators
11/16/1993US5262274 Silver halide photographic material
11/13/1993CA2095802A1 Biphenylmethyl-substituted pyridones
11/11/1993WO1993021963A2 Carboxamide modified polyamine chelators and radioactive complexes and conjugation
11/09/1993US5260325 Angiotensin II receptor blocking tertiary amides
11/09/1993CA1324142C Quinolinyl ether or thioether tetrazoles as agents for the treatment of hypersensitive ailments
10/1993
10/31/1993WO1993022260A1 Radiolabelled compound formulations
10/28/1993WO1993021146A1 Compounds having selectivity for retinoid x receptors
10/28/1993WO1993020852A2 Macrocyclic chelating agents, chelates and conjugates thereof
10/28/1993CA2117775A1 Process for preparing macrocyclic chelating agents and formation of chelates and conjugates thereof
10/27/1993CN1022564C Anti high cholesterol blood tetrazole compound intermediate product and its preparing method
10/26/1993US5256792 Amine salts of nitroazoles
10/26/1993US5256694 Diarylacetylenes, their preparation and their use
10/26/1993US5256658 Angiotensin II inhibitors
10/26/1993US5256523 Photographic element and process
10/23/1993CA2094576A1 Carbohydrazones as boiler water oxygen scavengers
10/20/1993EP0565930A1 Tetraazacyclododecane tetraacetic acid derivatives and the use thereof as diagnostic agents
10/20/1993EP0413692B1 Use of hexatriene derivatives for the manufacture of preparations for treating acne, psoriasis and light-induced damage to the skin
10/19/1993US5254595 Cardiovascular disorders
10/19/1993US5254574 Angiotensin II inhibitor
10/14/1993WO1993019751A1 Compounds useful for treating inflammatory diseases and inhibiting production of tumor necrosis factor
10/14/1993WO1993019749A1 Compounds useful for treating allergic and inflammatory diseases
10/14/1993WO1993019748A1 Compounds useful for treating inflammatory diseases and for inhibiting production of tumor necrosis factor
10/14/1993WO1993019747A1 Compounds useful for treating allergic and inflammatory diseases
10/14/1993WO1993019720A2 Compounds
10/13/1993CN1022411C Process for preparing ligands nitrogenous cycle
10/12/1993US5252753 Reacting phenyl tetrazole with Grignard reagant; angiotensin receptor antagonist
10/12/1993US5252731 Cephalosporin intermediates
10/12/1993US5252592 Tetrazoleacetic acid derivatives having aldose reductase inhibitory activity
10/05/1993US5250695 Use of specific counteranions to modify the solubility of tetrazolium salts
10/05/1993US5250551 Monoamine oxidase inhibitors
10/05/1993US5250548 Treating hypertension, heart failure
09/1993
09/29/1993EP0562734A1 Anti-tumour compounds containing quinazoline and tetrazole rings
09/29/1993EP0562074A1 Photographic colour couplers and photographic materials containing them
09/28/1993CA2092596A1 Tetraazacyclododecane derivative and its use
09/21/1993CA1322374C Substituted di-t-butylphenols
09/16/1993WO1993017682A1 Angiotensin ii receptor antagonists
09/15/1993EP0560407A1 Pharmaceutically active compounds
09/09/1993DE4218585A1 New 1,2,4-triazolium- or 1,2,3,4-tetrazolium salts - useful as corrosion inhibitors and antimicrobial agents
09/08/1993EP0558661A1 Polyazamacrocyclic compounds for complexation of metal ions.
09/02/1993WO1993017003A1 Retroviral protease inhibitors
09/02/1993WO1993016986A1 Azo oxime ethers and their use as fungicides
09/01/1993EP0558189A1 A two-step method for preparing cyclic-ureas
08/1993
08/31/1993US5240946 ((2-(amino-3,4-dioxo-1-cyclobuten-1-yl)amino)alkyl)-acid derivatives
08/31/1993US5240924 N-acylamino acid derivatives and their use
08/31/1993US5240811 Photogenerated polycarbodiimides from poly(tetrazole-5-thiones) and use in the preparation of coatings and deep-UV photoresists
08/29/1993CA2090743A1 Pharmaceutical compounds
08/24/1993US5239082 Anticholesterol agents
08/24/1993US5239081 Preparation of photographic compounds
08/20/1993CA2078353A1 Two-step method for preparing cyclic ureas
08/19/1993WO1993016076A1 3-(1h^_-tetrazol-5-yl)-4h^_-pyrido[1,2-a^_]pyrimidine-4-ones, pharmaceutical compositions containing the same and the preparation thereof
08/19/1993WO1993016070A1 3-(pyridylamino)-2-(1h^_-tetrazol-5-yl)-acrylnitriles and a process for the preparation thereof
08/19/1993WO1993016053A1 Novel bistetrazol derivatives having an antiallergic and cytoprotective activity
08/19/1993WO1993015756A1 Inhibitors of thrombosis
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