Patents
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Patents for C07D 237 - Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings (8,468)
06/1991
06/25/1991US5026705 Benzimidazolylpyridazinones
06/04/1991US5021581 Fungicides
06/04/1991US5021191 Ferroelectricity display elements; extremely small redution in crystal temperature region
05/1991
05/29/1991EP0429344A1 Pyridazine derivatives, process for their preparation and pharmaceutical compositions containing them
05/29/1991EP0428720A1 Optically active compounds and liquid crystal phase.
05/28/1991US5019612 Heat Resistance, Oxidation Resistance, Photostability, Polymers
05/28/1991US5019575 Novel pyridazinone compounds, compositions thereof and method of use
05/28/1991US5019570 Cephalosporin compounds
05/28/1991CA1284502C Substituted n-phenylpyridazone derivatives
05/22/1991EP0428392A2 Optically active compounds having plural chiral centers and the production thereof
05/22/1991EP0427939A2 Renin inhibitors
05/21/1991US5017589 Novel amino acid derivatives
05/21/1991US5017298 Oil additives, heterocyclic disulfides
05/18/1991CA2030133A1 Pyridazine derivatives, process for their preparation and pharmaceutical compositions containing them
05/16/1991WO1991006540A1 1,4-bis(alkylamino)-2,3-diaza-anthracene-9,10-diones
05/07/1991US5013744 Skin disorders
05/07/1991US5013475 Optically active ester compound and liquid crystal composition containing the same
04/1991
04/30/1991US5011839 3(2H)pyridazinones for antagonistic agent against srs-a
04/23/1991US5010192 Pyridazinone manufacture
04/17/1991CN1050714A Amine derivatives
04/12/1991CA2027125A1 Renin inhibitors
04/09/1991CA1282787C Synthesis of aryloxypropanolamines and arylethanolamines
04/07/1991WO1991004965A1 Amine derivatives
04/04/1991WO1991004027A1 New n-aryl and n-heteroarylamide and urea derivatives as inhibitors of acyl coenzyme a: cholesterol acyl transferase (acat)
04/03/1991EP0419561A1 Heterobicyclic compounds having antiinflammatory activity
04/02/1991US5004744 Pyridazinones as pesticides
03/1991
03/27/1991CN1050186A Guanidine derivatives
03/27/1991CN1050183A New n-aryl and n-heteroarylamide and urea derivatives as inhibitors of acyl coenzyme a: cholestrol acyl transferase
03/26/1991US5003068 Pyridazinone manufacture
03/26/1991US5003067 Pyridazinone manufacture
03/26/1991US5003017 Heat-curable bismaleimide-alkenyl heterocyclic molding material
03/26/1991US5002957 Azaneophyl sulfides, and their use as pesticides
03/26/1991US5002694 Liquid crystals with ferroelectric properties
03/20/1991EP0418199A2 Guanidine derivatives
03/20/1991EP0418071A2 New N-aryl and N-heteroarylamide and urea derivatives as inhibitors of acyl coenzyme A: cholesterol acyl transferase
03/19/1991US5001125 Anti-virally active pyridazinamines
03/16/1991CA2023936A1 Diol sulfonamide and sulfinyl renin inhibitors
03/14/1991CA2025072A1 Guanidine derivatives
03/13/1991EP0417057A2 Heterocyclic thiol-based sulfenimide compounds and rubber compositions containing them
03/06/1991EP0414913A1 p-AMINOPHENOL DERIVATIVE AND PRODUCTION AND APPLICATION THEREOF
03/01/1991WO1991003463A1 A method of preparing pyridazinone derivatives
02/1991
02/20/1991EP0413244A2 Process for separation and recycling of by-products from the wastewater of the synthesis of 5-amino-4-chloro-2-phenyl-3(2H)-pyridazinone
02/20/1991EP0412988A1 Fused polycyclic compounds, compositions, methods of manufacture and their use as paf antagonists, antihistamines and/or antiinflammatory agents
02/13/1991EP0412814A2 Pyridazinones having cardiotonic and beta blocking activity
02/12/1991US4992439 Anticoagulant
02/12/1991US4992433 Novel pyridazinamine derivatives
02/11/1991CA2023026A1 Pyridazinones having cardiotonic and beta blocking activity
02/05/1991US4990668 Reacting selected dioxolane with hydrohalic acid and organic acid, then with amine
02/05/1991US4990509 Sulfonamide anti-arrhythmic agents
02/05/1991US4990507 N-containing heterocyclic compounds, and composition comprising the same
01/1991
01/30/1991EP0410238A2 Pyridazinone derivatives
01/30/1991EP0410142A2 Optically active liquid crystal compounds
01/29/1991US4988695 Pyrrolocinnolines for use as inhibitors of gastric acid secretion
01/29/1991US4988616 Triarylmethane indicators for hydrogen peroxide
01/23/1991EP0409634A2 Liquid crystal compounds and optically active compounds
01/23/1991EP0409234A2 Alpha-hydroxyketone derivatives, liquid crystal compositions containing said derivatives, and liquid crystal devices using said compositions
01/22/1991US4987135 Leukemia, melanoma
01/16/1991EP0408203A2 Heterocyclic thione
01/13/1991CA2020846A1 Heterocyclic thione
01/08/1991US4983606 Pharmaceutically-active phthalazine compounds
01/08/1991US4983211 Substituted cyclohexanediones and their herbicidal use
01/02/1991CA1278574C Pyridazinone derivatives, preparation thereof, and insecticidal, acaricidal, nematicidal, fungicidal compositions
01/01/1991US4981851 2-tert-butyl-4-chloro-5 -(4-tert-butylbenzylthio)-3(2H)-pyridazinone for controlling snails and slugs
12/1990
12/27/1990WO1990013611A3 Optically active compounds and liquid crystal phase
12/27/1990EP0404671A1 Thioformamide derivatives
12/27/1990EP0404050A1 Pyridazinone derivatives
12/19/1990EP0403398A1 New thioformamide derivatives
12/19/1990EP0402982A1 Adduct-aldehyde and its use for the preparation of a vitamin-D compound
12/19/1990CA2019271A1 Pyridazinone derivatives
12/18/1990US4978665 Antiallergens
12/16/1990CA2019107A1 Thioformamide derivatives
12/16/1990CA2019106A1 Thioformamide derivatives
12/13/1990DE3918364A1 2-Methyl-3,5-di:hydroxy-hept-(6E)-enoic acid derivs. and lactone(s) - with e.g. heterocyclic substits., are HMG-COA-reductase inhibitors for treatment and prophylaxis of hypercholesterolaemia
12/12/1990EP0402227A1 1-Phenyl-1,4-dihydro-3-amino-4-oxo-pyridazin derivatives, their preparation and their therapeutical application
12/12/1990CN1010779B Process for the preparation of quinolinecarboxylic acid derivatives
12/11/1990US4977152 For alzheimer*s disease
12/07/1990CA2018485A1 Phenyl-1-dihydro-1,4-amino-3 oxo-4 pyridazine derivatives, their preparation and application in therapeutics
12/06/1990DE3917801A1 New 3-aryloxy-2-hydroxy-propylamine derivs.
12/05/1990EP0400519A1 2-Hydroxy-n-propylamines, medicaments containing these compounds and method for preparing them
12/05/1990CN1047499A Process and intermediates for prepation of oxophthalazinyl acetic acids and analogs thereof
12/05/1990CN1047498A Pyridazinone derivatives and composition for controlling and/or preventing insect pests
12/04/1990USRE33476 6-(alkanolaminoaryl)-3(2H)-pyridazinone derivatives, and their use
12/01/1990CA2017957A1 2 hydroxy-n-propylamines, pharmaceutical compositions containing these compounds and processes for the preparation thereof
11/1990
11/29/1990WO1990014339A1 NEW COMPOUNDS OF 1,4-BIS(AMINO)BENZO[g]PHTHALAZENE
11/29/1990WO1990014338A1 Anti-inflammatory 4-aminophenol derivatives
11/28/1990CN1047289A Antirhinoviral (thio) morpholinyl and piperazinyl alkylphenol ethers
11/27/1990US4973426 Liquid crystals
11/22/1990EP0398426A1 Antirhinoviral (thio)morpholinyl and piperazinyl alkylphenol ethers
11/22/1990EP0398293A1 Pyridazinone derivatives and compositions for controlling and/or preventing insect pests
11/22/1990EP0398155A2 Cyclopropylalkyl or cycloalkenyl compounds, process for their preparation and their use in liquid crystal mixtures
11/22/1990EP0397930A1 Process for the preparation of 3-[(4-bromo-2-fluorophenyl) methyl]-3,4-dihydro-4-oxo-1-phthalazineacetic acid
11/21/1990CN1047075A Luminide and macroluminide class of pharmaceuticals
11/20/1990US4971968 Cardiovascular disorders, stimulants
11/20/1990CA2017169A1 Anti-inflammatory aminophenol derivatives
11/17/1990CA2016791A1 Pyridazinone derivatives and compositions for controlling and/or preventing insect pests
11/15/1990WO1990013611A2 Optically active compounds and liquid crystal phase
11/15/1990CA2016741A1 Antirhinoviral (thio)morpholinyl and piperazinyl alkylphenol ethers
11/14/1990EP0397350A1 Process and intermediates for the preparation of oxophthalazinyl acetic acids and analogs thereof
11/13/1990US4970222 Nitrogen-containing heterocyclic compounds, and their production and use
11/13/1990US4970210 Triazinone lipoxygenase compounds
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