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)
01/1986
01/02/1986EP0166533A1 Quinolone inotropic agents
12/1985
12/31/1985US4562138 Nitrogen-containing heterocyclic blocked mercapto development inhibitors
12/31/1985US4561879 Composition and method for combating weeds using an N-imidazolylmethyl halogenoacetanilide
12/27/1985EP0165897A2 Resorcin ethers
12/27/1985EP0165780A1 Imidazolyl, triazolyl, and tetrazolyl compounds
12/27/1985EP0165778A1 Aromatase inhibiting 1,2,3-triazol-1-yl, tetrazol-1-yl, and tetrazol-2-yl compounds
12/24/1985CA1198420A2 9-deoxy-9a-methylene isosteres of pgi.sub.2 and process for their preparation
12/24/1985CA1198419A2 9-deoxy-9a-methylene isosteres of pgi.sub.2 and process for their preparation
12/24/1985CA1198418A2 9-deoxy-9a-methylene isosters of pgi.sub.2 and process for their preparation
12/24/1985CA1198417A2 9-deoxy-9a-methylene isosteres of pgi.sub.2 and process for their preparation
12/17/1985US4559354 Adrenergic blocking agents and stimulants; cardiotonic, antiarrhythmia and inotropic agents
11/1985
11/27/1985EP0162804A1 Substituted dibenzotetraaza-[14]-annulene metal complexes, process for their preparation and their use
11/26/1985US4555578 Mercaptotetrazolylalkanohydroxamic acids, salts and ester thereof
11/21/1985EP0161661A2 Process for the preparation of 4(3H)-quinazolinones
11/21/1985EP0161304A1 Herbicidal 1-aryl-4-substituted-1,4-dihydro-5h-tetrazol-5-ones and sulfur analogs thereof.
11/19/1985US4554246 Photographic silver halide light-sensitive material
11/19/1985US4554243 Silver halide material with photographic agent blocked by nucleophilic attack removable group
11/12/1985US4552887 Fungicides; pyrazolyl, tetrazolyl or triazolyl group
11/12/1985US4552598 Ethylenediamine salt of 5-nitrotetrazole and preparation
10/1985
10/29/1985US4550192 Fluorophenoxyphenoxypropionates and derivatives thereof
10/29/1985US4550105 1-Sulfo-2-oxoazetidine derivatives and their production
10/29/1985US4550070 Direct positive silver halide photographic light-sensitive materials
10/22/1985US4548639 N-Acyl-piperidone ketal compounds and their use as antidotes for protecting crop plants from herbicidal damage
10/22/1985CA1195688A1 Process for the preparation of thioethers
10/15/1985US4547494 Bactericides
10/09/1985EP0157146A2 Silver halide color photographic light-sensitive material
10/08/1985US4546113 Antiprotozoal diamidines
10/08/1985US4546073 Photographic recording material containing a precursor of a photographically-active compound
10/08/1985US4545937 Binucleating ligand-metal complexes as oxidation catalysts
10/01/1985US4544557 6-(1-Hydroxyethyl)-2-(2-aminoethylthio)-3-tetrazoly-1-carbadethiapen-2-em
10/01/1985US4544549 Derivatives of clavulanic acid, their preparation and their use
09/1985
09/24/1985US4543213 Process for preparing 2,3-dihydroxybenzoic acid amides of tetraazaalkanes and cycloalkanes
09/11/1985EP0154293A2 Silver halide photographic materials
09/10/1985US4540703 Tetrazole derivatives, anti-ulcer composition containing the same and method for treating ulcers
09/10/1985CA1193270A1 Biologically active amides
09/04/1985EP0080478B1 N-hydroxyethylated macrocyclic polyamines, the preparation of such amines and their use
09/03/1985US4539422 Process for preparing cephalosporin intermediates
08/1985
08/28/1985EP0153229A2 1-Dethia 2-thia-cephalosporanic acid derivatives, process and intermediates for their preparation, their use as therapeutic agents and the compositions containing them
08/27/1985CA1192545A1 Heterocyclic derivatives as histamine h.sub.2- antagonists
08/20/1985CA1192205A1 Synthesis of hydroxyethyltetrazolethiol
08/20/1985CA1192190A1 Heterocyclic derivatives as histamine h in2- antagonists
08/13/1985US4535183 Palliation of sickle cell anemia, respiratory disorders, hypoxia, radiosensitization of tumors
08/13/1985US4534895 Reacting with1-bromomethyl-3,5,7-trinitro-1,3,5,7-tetraazacyclooctane under non-basic condition
08/07/1985EP0150673A2 Solid electrolyte cell with an iodine-doped metal complex as cathodic material
08/06/1985US4533738 Thiazole intermediates
08/06/1985US4533554 Analgesics, hypotensive agents, anti-inflammatory agents
07/1985
07/30/1985US4532349 2-Amino-4'(phenylsulfonyl) acetanilides
07/24/1985EP0149269A2 Heterocyclic herbicides
07/10/1985EP0147973A1 Tetrazolcarboxanilid derivatives
07/10/1985EP0147765A2 Silver halide photographic light-sensitive material
07/09/1985US4528380 5-(1-Propyl)n-butyl tetrazoles
07/02/1985US4526980 Method for the preparation of tetranitrodibenzotetrazapentalene
07/02/1985US4526979 Carbamates and oxalamides of amino-N-(1H-tetrazol-5-yl)benzamides
07/02/1985US4526978 Process for preparing 1-H-tetrazole-5-thiols and intermediate compounds
06/1985
06/26/1985EP0146333A1 Organic compounds and their pharmaceutical use
06/26/1985EP0146279A1 Substituted tetrazolinones useful as herbicides
06/25/1985US4525252 Method for synthesizing N2 O5
06/25/1985CA1189508A1 Heterocyclic derivatives as histamine h.sub.2- antagonists
06/19/1985EP0145037A2 N-(bicyclic heterocyclyl)-4-piperidinamines
06/11/1985US4522917 Storage stable; controlled release during development
05/1985
05/29/1985EP0142801A2 Indene derivatives useful as paf-antagonists
05/28/1985US4520194 Cephalosporins
05/21/1985US4518685 Blocked agent for storage stability
05/21/1985US4518598 Antihistamine
05/14/1985US4517122 Cyclic peptides
05/14/1985US4517011 N-substituted halogenoacetanilides and their use as herbicides
05/09/1985WO1985001939A1 Herbicidal 1-aryl-4-substituted-1,4-dihydro-5h-tetrazol-5-ones and sulfur analogs thereof
05/07/1985US4515959 Herbicides, fungicides
05/07/1985US4515958 Process for preparing 1-alkyl-5-mercaptotetrazoles
04/1985
04/30/1985CA1186314A1 Tetrazole derivatives
04/24/1985EP0138359A2 Herbicidal Fluorophenoxyphenoxypropionates, derivatives thereof and related compounds
04/17/1985EP0137227A1 Process for the preparation of cephalosporin derivatives using novel thioesters
04/16/1985US4511644 Photographic elements with development inhibitor precursor
04/09/1985US4510138 7-[2-(2-Aminothiazol-4-yl)-2-(syn)-methoxyiminoacetamido]cephalosporin derivatives
04/03/1985EP0136145A2 Process for preparing alkyl cyanoformates
04/02/1985US4508909 Synthesis of hydroxyethyltetrazolethiol and etherified intermediates therefor
04/02/1985US4508816 Method for bleaching color photosensitive material
03/1985
03/27/1985EP0135367A1 Therapeutic agents
03/27/1985EP0135032A1 Carbamates and oxalyl amides of amino-N-(1H-tetrazol-5-yl) benzamides
03/26/1985US4507296 Tetrazoles, pharmaceutical use and compositions
03/13/1985EP0134111A1 Araliphatic sulphides,sulphones and sulphoxides and their pharmaceutical use
03/05/1985US4503139 Photographic products and processes and novel compounds
03/05/1985CA1183541A1 Phenylethylene derivatives, their preparation and their use as drugs
02/1985
02/26/1985US4501898 Photographic development inhibitor (1H- or 2H-) indazolyl hydroquinone derivatives
02/26/1985US4501896 Phenylmercaptotetrazolo- and nitroindazolo masked development/image modifiers
02/13/1985EP0132788A1 2-(Formylamino)-N-(1H-tetrazol-5-yl)benzamide
02/05/1985US4497827 Tetrazole, acylhydroxylamine, hydroxymethylketone and amide derivatives
02/05/1985CA1182119A1 Diphenoxypropane derivatives, their production and use
01/1985
01/30/1985EP0132367A2 Leukotriene antagonists
01/30/1985EP0132366A2 Leukotriene antagonists
01/29/1985US4496720 Preparation of thioethers
01/23/1985EP0132124A1 Novel pharmaceutical compounds and their preparation
01/22/1985US4495101 Antiinflammatory 5H-tetrazolo (5,1-c)(1,4)benzodiazepine derivatives
01/15/1985US4493834 Cephem compounds
01/02/1985CA1180337A Tetrazole derivatives substituted in position 5, the process for preparing same and the application thereof in therapeutics
01/01/1985US4491547 Free acids, esters, amides, salts
12/1984
12/27/1984EP0129033A2 Photographic products and novel compounds
12/12/1984EP0128029A2 Cephalosporin ester derivatives, their production and use
12/12/1984EP0127847A1 7-Oxo-4-thia-1-azabicyclo(3.2.0)hept-2-ene derivatives
12/11/1984US4487927 Bactericides
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