| Patents for C07D 241 - Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings (18,673) |
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| 03/04/1981 | EP0024337A1 Synthesis of 2-keto-1,4-diazacycloalkanes |
| 03/03/1981 | US4254125 2-Chloro-3-phenoxypyrazines and 2-chloro-6-phenoxypyrazines possessing antiviral activity |
| 03/03/1981 | US4254123 For treatment of asthma; antiallergens |
| 03/03/1981 | US4254120 Growth promoting quinoxaline-di-N-oxide carboxamides |
| 03/03/1981 | US4254031 Dibenzopyrazinoazepines by cyclizing a diphenyl pyrazine |
| 02/24/1981 | US4252954 Salts of dihalo-3,4-dihydro-3-oxo-2-quinoxaline carboxylic acids and hindered amines |
| 02/24/1981 | US4252949 Surfactants |
| 02/17/1981 | US4251438 Piperazinone and piperazine polypeptides |
| 02/17/1981 | CA1095913A1 3-amino-2-hydroxypropoxyphenyl derivatives |
| 02/11/1981 | EP0023785A2 Quinoxalinyloxyphenoxyalkane carboxylic acid derivatives, their preparation and their use as herbicides |
| 02/10/1981 | US4250310 Antiarrhythmia and vasodilation agents |
| 02/03/1981 | US4248788 Substituted benzodioxane, benzodioxole and benzodioxepine compounds |
| 01/27/1981 | CA1094560A1 Piperazine derivatives |
| 01/20/1981 | US4246412 Synthesis of 2-keto-1,4-diazacycloalkanes with a soft ion catalyst |
| 01/20/1981 | US4246406 Heterocyclic substituted pyrazinoylguanidines |
| 01/20/1981 | CA1094070A1 1-phenyl-piperazine derivatives |
| 01/14/1981 | EP0022173A1 Pyrazine derivative for use in, and swine feed compositions containing it |
| 01/07/1981 | EP0021663A1 A polyheterocyclic compound, its preparation and a smoking composition in which it is used |
| 01/07/1981 | EP0020836A1 Antiviral combinations |
| 01/07/1981 | EP0020401A1 Improved process for the synthesis of 1,4-diaza-2-cycloalkanone and substituted derivatives thereof. |
| 01/06/1981 | CA1093074A1 Substituted oximino anti-ulcer compounds and compositions |
| 12/30/1980 | US4242344 Anorexigenic, hypotensive, antismoking, and antiarrythmia agents; antidepressants; analgesics |
| 12/23/1980 | US4240961 By reacting a diamine with a cyanohydrin acetate, a haloform and an alkali metal hydroxide with little undesirable by-product formation |
| 12/23/1980 | CA1092136A1 Process for the preparation of novel acetamids and products thus prepared |
| 12/10/1980 | EP0020304A1 Guanidines, process for their preparation, pharmaceutical preparations containing such compounds and their application |
| 12/10/1980 | EP0020119A1 Fungicidal haloalkyl polyhaloquinoxaline sulfonates, preparation and use thereof and compositions containing them |
| 12/10/1980 | EP0019918A1 Derivatives of amino-propanol, processes for preparing them and pharmaceutical compositions containing them |
| 12/09/1980 | US4238506 Hypoglycaemically and hypolipidaemically active derivatives of phenyl-alkane-carboxylic acids |
| 12/09/1980 | CA1091383A1 Epoxy-functional polysiloxane polymers |
| 12/02/1980 | US4237290 Odorants, flavorings; reaction of a sulfonium salt and a mercaptan |
| 12/02/1980 | US4237281 For photographic films |
| 12/02/1980 | CA1090803A1 2-piperazinyl-6,7-dimethoxyquinazolines |
| 11/26/1980 | EP0019237A1 Di-esters or di-amides of N,N'-di-(hydroxy-alkyl)-or N,N'-di-(amino-alkyl)-piperazines and compositions of thermoplastic synthetic polymers containing them |
| 11/12/1980 | EP0018493A1 2-Sulfonyl-quinoxalines, processes for their preparation and their use as microbicides |
| 10/29/1980 | EP0018144A1 A process for the preparation of substituted 2-aminopyrazines |
| 10/15/1980 | EP0017152A1 Novel heterocyclic substituted pyrazinoylguanidines, processes for preparing and a pharmaceutical composition containing the same |
| 10/14/1980 | US4228283 Process for preparing pure 2-methyl-3-(β-hydroxyethylcarbamoyl)quinoxaline 1,4-di-N-oxide, and other compounds similar thereto |
| 10/14/1980 | CA1087616A1 Preparation of quinoxaline-1,4-dioxides and intermediates therefor |
| 10/07/1980 | USRE30415 Antiinflammatory agents, antithrombotic agents |
| 09/30/1980 | US4225604 2-Formylquinoxaline-1,4-dioxide cyanoacetylhydrazone and methods for preparation thereof |
| 09/23/1980 | US4224324 Nitro-olefin-substituted quinoxaline dioxides |
| 09/16/1980 | CA1085847A1 Piperazine derivatives, a process for their preparation and their applications |
| 09/09/1980 | US4221791 Animal growth agents |
| 09/09/1980 | US4221581 Phenoxyphenoxyalkanecarboxylic acid esters |
| 09/03/1980 | EP0015240A1 Azacyclyl (thio) ureidoacetyl compounds and their preparation |
| 09/03/1980 | EP0015073A1 Smoking, flavored and foodstuff compositions |
| 09/02/1980 | US4220646 Heterocyclic compounds |
| 08/26/1980 | US4219561 Adrenergic blocking agents, hypotensive, antiarrhythmia, angina pectoris |
| 08/26/1980 | US4219554 Novel penicillins and cephalosporins and process for producing same |
| 08/26/1980 | CA1084490A1 Synthesis for the preparation of tetracyclic compounds |
| 08/12/1980 | US4217452 Cyclization, acid catalysts |
| 08/12/1980 | US4217366 Pharmaceutically active 2-(4-aminobutoxy)stilbenes |
| 08/12/1980 | US4217365 (b-nitroalkenyl)-benzylamines |
| 08/12/1980 | CA1083558A1 Nickel-rhenium hydrogenation catalyst and methods of preparing same and using same |
| 08/11/1980 | EP0020401A4 Improved process for the synthesis of 1,4-diaza-2-cycloalkanone and substituted derivatives thereof. |
| 08/06/1980 | EP0013960A1 Substituted acetophenones, preparations containing them and processes for their preparation |
| 08/06/1980 | EP0013914A1 Piperazinyl-imidazo(1,2-a)pyrazine derivatives, process for their preparation and pharmaceutical compositions containing them |
| 08/05/1980 | US4216320 Quinoxaline bleach catalysts |
| 08/05/1980 | US4216231 9,10-Dihydro-9,10-methanoanthracene N-oxide derivatives |
| 08/05/1980 | US4216160 Substituted mercapto acid amides and their use |
| 08/05/1980 | CA1083150A1 Process for the manufacture of etherified hydroxy- benzodiheterocyclic compounds |
| 08/05/1980 | CA1083147A1 Pyrimidoquinoxaline derivatives, process for producing the same, and medicine comprising the same for allergic asthma |
| 07/29/1980 | US4215195 Crosslinkable, polymeric color couplers, gelatin extenders, binders |
| 07/29/1980 | US4215121 Pyrazine substituted ureas |
| 07/09/1980 | EP0013147A2 Polymerisable monomers, their use to prepare cross-linkable polymers and the cross-linkable polymers |
| 07/08/1980 | US4211878 Alkanolamine derivatives |
| 07/08/1980 | US4211870 From aminoacetonitrile and a phenyl a-halo oxime |
| 07/08/1980 | US4211867 Nitrogen heterocyclic carboximidamide compounds |
| 07/01/1980 | US4210647 Influenza virus, ethyl 6,7-dibromo-3,4-dihydro-3-oxo-2-quinoxalinecarboxylate, 1-aminoadamantane |
| 06/25/1980 | EP0012725A1 Quinoxaline-Di-N-oxide derivatives, process for their preparation, compositions containing them and their use |
| 06/24/1980 | USRE30314 Antiinflammatory, antithrombotic |
| 06/24/1980 | CA1080219A1 Piperazine derivatives and a process for the preparation thereof |
| 06/17/1980 | US4208522 Substituted piperazine diones |
| 06/17/1980 | US4208503 Epoxy-functional polysiloxane polymers |
| 06/17/1980 | US4208413 Diuretics, hypotensive agents, antiedemics |
| 06/10/1980 | US4207341 Hypoglycaemically and hypolipidaemically active derivatives of phenylacetic acid |
| 06/10/1980 | CA1079282A1 9,10-dihydro-9,10-methanoanthracene n-oxide derivatives and production thereof |
| 06/03/1980 | US4206216 Antihypertensive N-heterocyclicalanines |
| 06/03/1980 | US4206116 Antibiotics, bactericides, pseudomonas |
| 05/28/1980 | EP0011092A1 Alpha-aminophenylacetic acid derivatives for use in the treatment of inflammations and novel alpha-aminophenylacetic acid derivatives |
| 05/27/1980 | CA1078384A2 2,3-dioxopiperazine derivatives |
| 05/13/1980 | US4202698 Quinoxalines and their use in photographic processes |
| 05/06/1980 | US4201638 Triple ions of 1,2- and 1,4-dicarbonyl compounds and analogs thereof containing nitrogen and containing two strategic oxygen or nitrogen groups and process for producing same |
| 04/30/1980 | EP0010426A1 Pharmaceutical composition containing 3,4-dihydro-3-oxo-2-quinoxalines, novel such quinoxalines and processes for the production thereof |
| 04/30/1980 | EP0010396A1 Fungicidal and herbicidal compositions, certain cyanomethane and cyanoethene derivatives being active agents thereof, the preparation of these derivatives and methods for combating fungi and weeds |
| 04/29/1980 | US4200660 Aromatic sulfur flavoring agents |
| 04/29/1980 | US4200628 Novel aminoglycoside derivatives |
| 04/22/1980 | CA1076126A1 Phenylacetic acid derivatives and the preparation thereof |
| 04/17/1980 | WO1980000702A1 Improved process for the synthesis of 1,4-diaza-2-cycloalkanone and substituted derivatives thereof |
| 04/15/1980 | US4198509 Hypotensive agents |
| 04/15/1980 | CA1075695A1 Alkaline zinc electroplating baths and additive compositions therefor |
| 04/08/1980 | CA1075155A1 Diuretic formulations |
| 04/02/1980 | EP0009054A1 N-Pyrazinecarbonyl-N'-substituted-sulfamoyl-guanidine and processes for preparing same |
| 04/01/1980 | US4196292 6-Substituted amiloride derivatives |
| 03/25/1980 | US4195090 2-(3-Amino-2-hydroxy-propoxy)pyridine derivatives and pharmaceutical compositions therewith |
| 03/25/1980 | US4194899 Fluoroalkoxyphenyl-substituted nitrogen heterocycles |
| 03/19/1980 | EP0008864A1 Pyridopyrazine and quinoxaline derivatives, processes for their preparation, and pharmaceutical compositions containing them |
| 03/18/1980 | US4193995 2-(3-Substituted amino-2-hydroxypropoxy)-3-substituted pyrazine compounds and compositions |
| 03/18/1980 | CA1073906A1 1,2-dithiol derivatives; their preparation and compositions thereof |
| 02/26/1980 | US4190655 Amiloride citrate |