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)
06/1990
06/26/1990US4937253 Leukotriene antagonists
06/26/1990CA1270835A1 Aromatase inhibiting 1,2,3-triazol-1-yl tetrazol-1-yl, and tetrazol-2-yl compounds
06/23/1990CA2005349A1 Leukotriene antagonists
06/19/1990US4935435 Use of tetrazole derivatives
06/05/1990US4931444 For leukotriene-mediated diseases and disorders
06/05/1990US4931438 Fungicides
06/05/1990CA1269978A1 Carbapenem antibiotics
05/1990
05/30/1990EP0370357A1 Process for producing 3-iminonitriles
05/23/1990EP0369497A1 Manganese (II) chelates
05/23/1990EP0369391A2 N-substituted amides
05/23/1990CN1008091B Process for preparation of leukotriene antagonists
05/15/1990US4925936 Recovery of nitric acid and sulfuric acids in production of beta HMX
05/08/1990US4923985 Process for synthesizing macrocyclic chelates
05/01/1990US4921993 Substituted benzamide fungicides
05/01/1990US4921965 Method of producing alkyl substituted 5-amidotetrazoles
05/01/1990CA1268334A1 Diesel fuel containing a tetrazole or triazole cetane improver
04/1990
04/25/1990EP0365412A1 Cyclic nitrogen-containing ligands, their metal complexes, diagnostic compositions containing these complexes and method of preparing the ligands
04/25/1990EP0365149A2 Leukotriene antagonist prodrugs
04/24/1990US4920043 Method for processing silver halide photographic light-sensitive material
04/19/1990WO1990003975A1 Manganese(ii) chelates
04/18/1990CN1041359A Process for preparing leukotriene antagonist prodrugs
04/10/1990US4916231 Alkenyltetrazole derivatives
04/10/1990US4916147 3-[(4-Aroyl) phenoxy (or phenylthio)]-cyclopentanecarboxylic acid analogues and treatment of cerebral edema therewith
04/04/1990EP0361113A1 Sulfonamidoalkyl cycloalkane compounds, processes for their production and pharmaceutical preparations
04/03/1990US4914098 Insecticides, miticides
04/03/1990US4913726 Herbicidal sulfonamides
04/03/1990US4913724 Herbicidal tetrazolinones
03/1990
03/21/1990CN1040586A Leukotriene antagonists
03/20/1990US4910263 Tris(hydroxymethyl)aminomethane
03/14/1990EP0358240A2 Intermediates for the preparation of leukotriene antagonists
03/14/1990EP0358018A2 Process for the preparation of oxyguanidines
03/13/1990CA1266672A1 Dyarylacetylenes, their preparation and their use
03/07/1990EP0356989A2 Sulfon amides with a tetrazolyl rest, process for their preparation an therapeutic agents
03/07/1990EP0356828A2 Process for the preparation of sulfonyl isothiourea
03/06/1990US4906666 Hydroxamic acids and pharmaceutical compositions containing them, and anti-allergic use thereof
03/06/1990CA1266477A1 Phenoxyphenyl-substituted tetrazolinones
02/1990
02/28/1990EP0355820A1 Antihypercholesterolemic tetrazol-1-yl compounds
02/28/1990EP0355097A1 Substituted cyclic complex-forming substances, complexes and complex salts, process for manufacturing same, and pharmaceutical agents which contain them
02/27/1990US4904652 7-acylamino-3-substituted cephalosporanic acid derivatives
02/14/1990EP0354532A2 Photographic element and process
02/13/1990US4900839 Substituted phenylpropenamides
02/13/1990US4900819 Method in the production of crystalline explosives
02/13/1990US4900740 Artificial sweeteners
02/13/1990US4900656 Storage stability
02/07/1990EP0353640A2 Heterocyclic N-acylsulphonamides, process for their preparation, agents containing them and their use as herbicides and plant growth regulators
02/07/1990EP0353450A1 Macrocyclic bifunctional chelants, complexes thereof and their antibody conjugates
02/07/1990EP0353448A1 Sulfon amides, process for their preparation and pharmaceutical preparations containing them
02/06/1990US4898949 Treatment of hyperlipemia, atherosclerosis
01/1990
01/31/1990CN1039247A High potency sweetening agents
01/30/1990US4897490 Antihypercholesterolemic tetrazole compounds
01/30/1990CA1265148A1 Process for the manufacture of fluorinated recorcinol ethers
01/30/1990CA1265147A1 Further process for the manufacture of resorcinol ethers
01/25/1990WO1990000552A1 High potency sweetening agents
01/24/1990EP0352083A2 Alkenyltetrazole derivatives, their preparation and use
01/17/1990EP0351350A1 High potency sweetening agents
01/10/1990EP0161304B1 Herbicidal 1-aryl-4-substituted-1,4-dihydro-5h-tetrazol-5-ones and sulfur analogs thereof
01/03/1990EP0349332A2 Photographic material and process
01/03/1990EP0349330A2 Photographic material and process (B)
01/02/1990US4891432 Phenoxy imidazole compound
12/1989
12/28/1989WO1989012631A1 Macrocyclic bifunctional chelants, complexes thereof and their antibody conjugates
12/27/1989EP0348257A2 (Hetero)aryl-diazole derivatives, process for their preparation and their therapeutical use
12/27/1989EP0348139A2 Photograhic materials and process
12/26/1989US4889931 Manganese (II) chelate manufacture
12/26/1989US4889851 Bone disorders
12/20/1989EP0346943A1 Diphenyl-methane derivative, pharmaceutical composition and use
12/19/1989US4888348 Pesticides
12/13/1989EP0345572A2 Sulfonamide derivatives, their preparation and pharmaceuticals containing them
12/12/1989US4886834 Diphenyl-methane compounds useful in the treatment of diseases caused by aggregation of platelets or formation of thrombus
12/12/1989US4886737 Aftertreating with 5-aminotetrazole
12/05/1989US4885363 1-substituted-1,4,7-triscarboxymethyl-1,4,7,10-tetraazacyclododecane and analogs
12/05/1989US4885316 Decomposing at high temperatures to yield large amounts of nitrogen
12/05/1989US4885025 Herbicidal tetrazolinones and use thereof
11/1989
11/30/1989WO1989011475A1 Macrocyclic chelates and methods of use thereof
11/29/1989EP0343777A1 Thio-substituted aromatic alcohols, preparation, intermediates and use
11/23/1989EP0342541A2 Retroviral protease inhibitors
11/16/1989WO1989010752A1 Retroviral protease inhibitors
11/15/1989EP0342110A1 Macrocylic amine complexes for ligand extraction and generation
11/15/1989EP0341551A1 Alkenoic acid derivatives
11/14/1989CA1262910A1 Substituted hexatriene derivatives, their preparation and use
10/1989
10/31/1989US4877600 Lysine salt of the gadolinium-dota complex and its diagnostic applications
10/25/1989CN1036570A Azaneoalkyl and azaneosilanyl sulfide, process for preparing same, preparation containing same, and use thereof as biocides
10/25/1989CN1036569A 5-lipoxygense inhibiting 4-(4-phenyl-1-pip-erazing 1) phenols
10/25/1989CN1036568A Organic compounds and their pharmaceutical use
10/18/1989EP0337701A2 Use of tetrazole-5-carboxanilides in the treatment of transplant rejection or arthritic, autoimmune or connective tissue disorders
10/17/1989US4874867 Tetrazole intermediates to antihypertensive compounds
10/17/1989US4874792 Thiophenyl Alkanoic acids useful as leukotriene antagonists
10/17/1989US4874777 Antiasthmatics
10/17/1989US4874769 Quinolinyl ether or thioether tetrazoles as agents for the treatment of hypersensitive ailments
10/17/1989US4874544 Ferroelectric liquid crystals
10/11/1989EP0336199A1 Azaneophyl and silazaneophyl sulfides, process for their preparation, agents containing them, and their use as pesticides
10/10/1989US4873253 Phenylalanine derivative and proteinase inhibitor
10/04/1989CN1036013A Preparation of antihypercholesterolemic tetrazole compounds and intermediates thereof
10/03/1989US4871861 Substituted 5-amidotetrazoles
09/1989
09/26/1989US4870187 Antilipemic, atherosclerosis
09/26/1989US4870186 Tetrazole intermediates to antihypertensive compounds
09/26/1989US4870172 Bisucaberin
09/26/1989US4870075 Fungicides
09/26/1989CA1261835A1 (fused) benz(thio)amides
09/26/1989CA1261339A1 (15,2r)-5-(3-¬2-(2-1h-tetrazol-5-ylethylthio)-1- hydroxypentadeca-3-(e),5(z)-dienyl|phenyl)-1h- tetrazoles and their pharmaceutical use
09/20/1989CN1035664A New chemical process
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