Patents
Patents for C07D 237 - Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings (8,468)
03/1982
03/23/1982US4321371 Substituted N-benzoylanthranilic acid derivatives and their anhydro compounds
03/10/1982EP0047164A2 Process for preparing 3-chloro-6-(2-hydroxyphenyl)-pyridazines
03/09/1982US4318980 Heterogenous specific binding assay employing a cycling reactant as label
03/09/1982US4318921 Hypotensive agents; adrenergic blocking agents
03/04/1982WO1982000641A1 Peptide substrates for determination of protease activity
03/03/1982EP0046742A1 Peptide substrates for determination of protease activity
03/02/1982CA1119173A1 Process for obtaining 4,5-dichloro-2-phenyl-3(2h)- pyridazinone from 5-chloro-4-amino-2-phenyl-3(2h) - pyridazinone
02/1982
02/24/1982EP0046417A1 Thioformamide derivatives, their preparation and pharmaceutical preparations containing them
02/18/1982WO1982000402A1 Herbicidal and plant growth regulant diphenylpyridazinones
02/17/1982EP0046069A1 Herbicidal and plant growth regulant diphenylpyridazinones
02/09/1982US4314843 1-Benzoyl-3-hydroxy-6(1H)-pyridazinones employed as plant growth regulators
01/1982
01/12/1982CA1116169A1 5-amino-4-chloro-2-phenyl-3(2h)-pyridazinone free from 5-chloro-4-amino-2-phenyl-3(2h)-pyridazinone as selective herbicide
12/1981
12/30/1981EP0042593A1 Aryloxy-propanol amines, process for their preparation and medicines containing these compounds
12/30/1981EP0042592A1 N-heteroarylalkylene diamines, process for their preparation and their use
12/30/1981EP0042513A1 Dihydropyridazinones, processes for their preparation and pharmaceutical compositions containing these compounds
12/29/1981US4308386 Novel pyridazinylhydrazones and method of administering same
12/23/1981EP0042107A1 Dihydropyridazinones, processes for their preparation and pharmaceutical compositions containing these compounds
12/23/1981EP0042100A1 Pyrazolopyridazine derivatives, intermediates and processes for their preparation, and medicaments containing them
12/15/1981CA1114379A1 Piperidino-phthalazines
11/1981
11/03/1981CA1111850A1 Phthalazine derivatives having phosphodiesterase inhibitory and cardiac stimulating properties
10/1981
10/27/1981US4297493 Manufacture of 4-amino-5-chloro-1-phenylpyridaz-6-one using aqueous phenol-4-sulfonic acid
10/27/1981US4297273 Chemiluminescent phthalhydrazide-labeled protein and polypeptide conjugates
10/27/1981US4297234 Optical brighteners
10/27/1981CA1111427A1 Substituted pyridazones, their manufacture, and their use as herbicides
10/27/1981CA1111426A1 Pyridazone compounds
10/21/1981EP0037925A1 Substituted pyridazinones, process for their preparation, herbicides containing them and their use as herbicides
10/20/1981CA1111039A1 Process for the preparation of 3-pyridazones
10/07/1981EP0037134A1 Pyridazine derivatives, process for their preparation, compositions containing them and methods of regulating the growth of plants, increasing the yield of soya bean plants and sterilizing the male anthers of plants, including small grain cereal plants, using them as well as a method of producing F1 hybrid seed
10/07/1981EP0037133A1 Pyridazinone compounds, process for their preparation, compositions containing them and a method of regulating the growth of plants, increasing the yield of soya bean plants and sterilizing the male anthers of plants, including small grain cereal plants, using them as well as a method of producing F1 hybrid seed
10/06/1981US4293553 1-Phthalazone derivatives, and use thereof
09/1981
09/30/1981EP0036711A2 Pesticidal heterocyclic compounds, processes for preparing them, compositions containing them, and their use
09/15/1981US4289774 Lipid lowering and anti-thrombotic 6-arylpyridazin-3-ones and a process for their preparation
09/15/1981US4289772 1-Piperidinophthalazines as cardiac stimulants
09/15/1981CA1109070A1 1,4-dihydropyridazine compounds, a process for their production and their medicinal use
09/08/1981CA1108614A1 Dihydropyridazones, their manufacture, and therapeutic agents containing dihydropyridazones
09/02/1981EP0034743A1 Benzoxazoles, their preparation and their use as medicines
08/1981
08/25/1981US4286092 5-Amino-4-chloro-2-phenyl-3(2H)-pyridazinone free from 5-chloro-4-amino-2-phenyl-3(2H)-pyridazinone, as a selective weed-killer
08/25/1981US4286091 Synthesis of pyridazinone pharmaceutical intermediates using diketene reactant
08/25/1981CA1107732A1 Phthalazin-4-ylacetic acid derivatives
08/04/1981US4282212 Immune-stimulating 1-(N-acylcarbamoyl)-2-cyanoaziridines
07/1981
07/28/1981US4281125 Quinoline catalyzed synthesis of pyridazinone pharmaceutical intermediates
07/28/1981US4280998 1,4-Dihydropyridazine-3-carboxylic acid derivatives, a process for their preparation and their use as antihypertensives
07/21/1981US4279908 Pyridazine derivatives and their use as agricultural fungicides
07/21/1981CA1105473A1 Tetrahydro-2h-benzo¬c|pyrroles
07/08/1981EP0031796A2 4-Heterocyclyl-4'-vinyl-stilbenes
07/08/1981EP0031795A1 Hydroxyphenyl ketones
06/1981
06/24/1981EP0030835A1 Derivatives of 2-substituted-6-phenyl-3(2H)pyridazinone, their production and pharmaceutical compositions containing them
06/23/1981CA1103477A1 1-aryl-1,4-dihydro-4-oxo-pyridazines
06/09/1981US4272440 Intermediates for preparing hydroxyphenylpyridazinones
06/02/1981US4271163 Novel 3,4-diaza-bicyclo[4.1.0]hept-2-en-5-ones, their preparation, and therapeutic agents containing these compounds
06/02/1981CA1102345A1 Soft anticholinergic agents exhibiting anti-secretory activity
05/1981
05/27/1981EP0029123A1 Process for the preparation of substituted anilines, and substituted anilines
05/14/1981WO1981001288A1 Method for producing 4-chloro-5-amino-2-phenyl-3(2h)-pyridazinone from 4,5-dichloro-2-phenyl-3(2h)-pyridazinone and ammonia
05/13/1981EP0028359A1 Method for producing 4-chloro-5-amino-2-phenyl-3(2H)-pyridazinone from 4,5-dichloro-2-phenyl-3(2H)-pyridazinone and ammonia
05/06/1981EP0027965A2 Substituted ureas, their preparation and use as herbicides, and compositions therefor
05/05/1981US4266011 Process for the production of colored photographic images by the silver dye-bleach process
04/1981
04/28/1981US4264769 Process for the preparation of hydroxyphenyl ethers
04/28/1981US4264622 Treatment of parkinson*s disease
04/21/1981US4263298 Hydrazino bicyclic pyridazines as hypertensives
04/21/1981US4263297 3-Lower alkoxy-6-trichloromethylpyridazines and their use as fungicides
04/15/1981EP0026847A1 Process for preparing 4-amino-5-chloro-1-phenylpyridazone-(6)
04/14/1981US4261893 Intermediates in synthesis of chemiluminescent-labeled conjugates used in immunoassays
04/07/1981US4260757 Poly[di-1,2-(diazinylidene)-ethene-1,2-diols]
04/01/1981EP0025941A1 Pyridazopyridazine derivatives, processes for their preparation and pharmaceutical compositions containing these pyridazopyridazine derivatives
03/1981
03/31/1981US4259328 Hypotensive agents
03/31/1981CA1098522A1 Process for preparing an arylpyridazinylhydrazine salt
03/25/1981EP0025498A2 Process for the preparation of pyridazine derivatives
03/17/1981US4256884 1-Benzoyl-3-hydroxy-6(1H)-pyridazinones and use as plant growth regulators
03/17/1981US4256883 Anticoagulants, vasodilation
03/17/1981US4256665 Preparation of β-aminopropionamides
03/11/1981EP0024669A1 Substituted N-benzoylanthranilic acid derivatives and their anhydro derivatives, process for their preparation, their use as herbicides and compositions therefor
03/10/1981US4255571 Heating in the presence of a group 8 noble metal catalyst
03/10/1981US4255425 Sulphoxides
02/1981
02/17/1981US4251528 Phthalazin-4-ylacetic acid derivatives
02/04/1981EP0023358A1 Process for the preparation of pyridazine derivatives
01/1981
01/27/1981US4247551 N-Pyrrolyl-pyridazineamines and their use as antihypertensive agents
01/13/1981US4244962 Fungicidal N-(piperidinoacetyl)anilines
01/06/1981CA1093074A1 Substituted oximino anti-ulcer compounds and compositions
12/1980
12/30/1980US4242512 Gastric antisecretory agents
12/30/1980CA1092606A1 1-(n-acylcarbamoyl)-2-cyano-aziridines and the preparation thereof
12/10/1980EP0020298A1 Benzoxazolyl stilbenes, process for their preparation and their use as optical brighteners for organic materials
12/09/1980US4238490 Antihypertensive pyridazin(2H)-3-ones
12/09/1980US4238395 Dimethyl 7-[ω-N-(phthalimido)alkyl]aminonaphthalene-1,2-dicarboxylates
12/02/1980US4237287 Diazotization with sodium nitrite and chlorination with thionyl chloride
11/1980
11/25/1980US4235776 Used for treatment of parkinson's disease, prolactin inhibitors, and dopamine agonists
11/11/1980CA1089462A1 Phthalazone derivatives and process for preparing thereof
11/04/1980US4232164 Alpha-amino-3-chloro-4,5-dihydro-5-isoxazoleacetic acid
10/1980
10/29/1980EP0018063A1 Pyridazin (2H)-3-ones, process for their preparation and their use in antihypertensive agents
10/29/1980EP0018016A1 3-(3'-Amino-2'-hydroxy-n-prop-1'-oxy)-6-isopropylidenehydrazino-pyridazines, process for their production and medicaments containing them
10/28/1980US4230797 Nucleotide
10/28/1980US4230705 6-Phenyl-1,2,4-triazolo[4,3-b]pyridazines and their uses in treating anxiety
10/21/1980US4229205 Substituted alkoxyimino-pyridazones, their manufacture, and their use as herbicides
10/14/1980US4228166 2-Keto-4,5-dihydro-3 (2H)-pyridazinones, and their use in treating muscle tension
10/07/1980US4226993 Intermediates for chemiluminescent labeled conjugates
10/07/1980US4226992 Intermediates for chemiluminescent labeled conjugates
09/1980
09/30/1980US4225720 Purification of AT-125
09/30/1980US4225599 Fungicides
09/30/1980US4225485 Chemiluminescent naphthalene-1,2-dicarboxylic acid hydrazide-labeled polypeptides and proteins
09/16/1980CA1085838A1 Aryl-alkylamines
09/03/1980EP0014792A1 Tetrahydro-2H-benzo(c)pyrroles, their preparation, pharmaceutical compositions containing them and the compounds for use as therapeuticals
1 ... 73 74 75 76 77 78 79 80 81 82 83 84 85