| Patents for C07D 471 - Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups (64,559) |
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| 07/07/1981 | US4277470 Antidepressants |
| 07/07/1981 | US4277404 Intermediates for tranquilizers |
| 07/07/1981 | US4277399 Process for preparing pyrenzepine |
| 07/07/1981 | CA1104567A1 Cycloalkyltriazoles and process for obtaining same |
| 07/01/1981 | EP0031120A1 A process for the production of 2-substituted 6-alkoxycarbonyl-8-ethyl-5-oxo-5,8-dihydro-pyrido(2,3-d)-pyrimidines and of corresponding free acids |
| 07/01/1981 | EP0031042A1 N-Dichloroacetyldiazabicyclo derivatives, process for their preparation, herbicides containing acetanilides as herbicidal agents and these N-dichloroacetyldiazabicyclo derivatives as antidotes and their use to combat undesired plant growth |
| 06/30/1981 | US4276401 N-Heterocyclic substituted acryloyl polymeric compounds |
| 06/30/1981 | US4276293 Cardiotonic agents |
| 06/30/1981 | CA1104136A1 ¬1,2,3,4-tetrahydro-9h-pyrrolo¬3,4-b|quinoline- 9-one derivatives| |
| 06/30/1981 | CA1104135A1 Vincamine derivatives |
| 06/24/1981 | EP0030789A2 Arylthioureido pyridinecarbamino compounds, a process for their preparation and their use as plant growth regulants |
| 06/23/1981 | US4275206 Lactone compounds containing an indolizine radical |
| 06/23/1981 | US4275066 Antireproductive tricyclic ortho-fused nitrogen containing compounds |
| 06/23/1981 | CA1103673A1 7-azabenzimidazoles with basic side chains |
| 06/17/1981 | EP0030254A1 Beta-carbolin-3-carboxylic acid derivatives, pharmaceutical compositions containing them and their therapeutical use |
| 06/16/1981 | US4273778 Pharmaceutically active aza-bicyclo-benzamide derivatives |
| 06/16/1981 | US4273775 Hydantoin derivatives, anti-diabetic compositions thereof, and method of use thereof |
| 06/11/1981 | WO1981001554A1 Isoxazole derivatives |
| 06/10/1981 | EP0029983A1 Benzenesulfonyl ureas, processes for their preparation and pharmaceutical compositions containing these compounds |
| 06/09/1981 | US4272627 Phenyl-quinolizinones |
| 06/09/1981 | US4272539 Pyridoindole derivatives |
| 06/02/1981 | US4271164 6-Substituted-arylpyrido[2,3-d]pyrimidin-7-amines and derivatives |
| 06/02/1981 | CA1102333A1 Substituted quinolizidine- and indolizidine-methanol derivatives and the process for the preparation thereof |
| 06/02/1981 | CA1102329A1 Process for the preparation of new therapeutically useful isoquinoline and quinazoline derivatives |
| 06/02/1981 | CA1102311A1 Penicillin compounds and process for preparation thereof |
| 05/27/1981 | EP0029286A1 Pyrrolo(3,4-c)quinoline derivatives, processes therefor, and pharmaceutical compositions |
| 05/27/1981 | EP0029117A1 10-Bromosandwicine and 10-bromoisosandwicine, as well as their additions salts with pharmacolical acceptable acids process for their preparation and their use |
| 05/27/1981 | EP0029116A1 N(b)-quaternary 10-bromo-sandwicine and 10-bromo-isosandwicine derivatives, process and intermediates for preparing the derivatives and medicaments containing these derivatives |
| 05/27/1981 | EP0029115A1 N(b)-quaternary 10-bromo-ajmaline and 10-bromo-isoajmaline derivatives, process and intermediates for preparing the derivatives and medicaments containing the derivatives |
| 05/26/1981 | US4269836 Antiinflammatory agents; central nervous system depressants; sedatives |
| 05/26/1981 | US4269834 Copper complexes of isoquinazolines |
| 05/20/1981 | EP0028906A1 1'-Substituted-spiro(imidazolidine-4,3'-indoline)-2,2',5-triones, processes for their manufacture and pharmaceutical compositions thereof |
| 05/19/1981 | US4268627 Photographic light-sensitive material |
| 05/19/1981 | US4268513 Pyrrolo [3,4-c]quinoline compounds and pharmaceutical compositions, methods for their use and preparation |
| 05/19/1981 | CA1101418A1 Indoloisoquinoline derivatives |
| 05/13/1981 | EP0028485A1 Spiro-imidazolones for alleviating diabetes-associated conditions, processes for preparing them, and pharmaceutical compositions containing them |
| 05/13/1981 | EP0028381A2 Azepinoindoles, process for their production and pharmaceutical compositions containing them |
| 05/12/1981 | US4267331 Process for the production of 2-substituted pyrido[4,3-b]-indoles |
| 05/12/1981 | US4267330 Condensation of a halo-, sulfoakloxy-, or opoxyaldehyde with a dialkyl 1,2,3,4,5,6-hexahydroazepino/4,5-b/indole-5,5-dicarboxylate; alkaloids |
| 05/12/1981 | US4267328 1-Phenylpiperazines |
| 05/12/1981 | CA1100970A1 Substituted quinolizidine-and indolizidine- derivatives and process for preparation thereof |
| 05/12/1981 | CA1100959A1 Indolo (2,3-a) quinolizidines, preparation and therapeutic use |
| 05/06/1981 | EP0027904A1 Phenanthroline-9-carboxylic acid derivatives, process for their production and pharmaceutical compositions containing them |
| 05/05/1981 | US4266060 Dipyrido [4,3-b] [3,4-f] indoles and process for obtaining them |
| 05/05/1981 | US4266011 Process for the production of colored photographic images by the silver dye-bleach process |
| 05/05/1981 | US4265895 1,2-Dihydro-5-pyridinyl-3H-pyrazolo[3,4-b]pyridin-3-ones and their use as cardiotonics |
| 05/05/1981 | US4265803 Photostability and heat resistance |
| 05/05/1981 | CA1100504A1 S-triazolo [1,5-a] pyridine derivatives |
| 05/05/1981 | CA1100495A1 Process for the preparation of alkaloids of the leurosine type |
| 04/29/1981 | EP0027752A1 Naphthyridine derivatives, processes for their preparation and pharmaceutical compositions containing them |
| 04/28/1981 | US4264612 Lower-alkyl 2-halo-5-(pyridinyl)nicotinates, their preparation and use as cardiotonics |
| 04/28/1981 | US4264603 5-(Pyridinyl)-1H-pyrazolo[3,4-b]pyridine-3-amines, their use as cardiotonics and their preparation |
| 04/28/1981 | US4264602 4-Hydroxy-3-nitro-pyrido[2,3-B]pyridine-2(1H)-ones |
| 04/21/1981 | US4263306 3-N-Pyridinium nocardicin and antibiotic composition thereof |
| 04/21/1981 | US4263304 7 H-indolo[2,3-c]isoquinolines |
| 04/21/1981 | US4263298 Hydrazino bicyclic pyridazines as hypertensives |
| 04/21/1981 | US4263181 Chemically stabilized azulmic acids, processes for their preparation and their use |
| 04/15/1981 | EP0027002A1 1,2,4-Triazolo (4,3-a) quinolin-1 (2H)-ones and the compounds for use as pharmaceuticals |
| 04/07/1981 | US4260762 Octahydro-1H-pyrrolo[2,3-g]isoquinolines |
| 04/07/1981 | US4260759 Condensation of nitriles |
| 04/07/1981 | US4260758 Microbiocides |
| 04/07/1981 | US4260621 3-Amino-4-phenyl-6-piperidino-1H-pyrazolo[3,4-b]-pyridines and salts thereof |
| 04/07/1981 | US4260614 Fungicides |
| 04/07/1981 | US4260612 Antiallergic nitrogen bridge-head compounds |
| 04/07/1981 | CA1098903A1 Preparation of vincadifformine |
| 04/01/1981 | EP0025985A1 2-Substituted triazolo(4,3-1)pyridin-3(2H)-ones, process for their preparation and pharmaceutical compositions for the treatment of depression |
| 03/31/1981 | CA1098520A1 Optionally substituted 3-(1h-tetrazol-5-yl)-4h- pyrido¬1,2-a| pyrimidin-4-ones |
| 03/31/1981 | CA1098519A1 No translation available |
| 03/25/1981 | EP0025603A1 Triazolo (4,3-a)pyridin-3(2H)-ones, process for their preparation and pharmaceutical compositions containing them |
| 03/18/1981 | EP0025069A1 Pentylsparteine salt, medicament containing it and process for the preparation of this medicament |
| 03/17/1981 | US4256889 Multistep |
| 03/17/1981 | US4256747 Antiinflammatory agents, pyrido/2,3b//1,4/benzodiazepin-6-ones |
| 03/17/1981 | US4256733 Acetoxymethyl penam compounds as β-lactamase inhibitors |
| 03/17/1981 | CA1097647A1 Preparation process of novel imidazoquinoleins and salts thereof |
| 03/10/1981 | US4255573 Imidazoindole derivatives and pharmaceutical compositions comprising imidazoindole derivatives |
| 03/10/1981 | US4255568 2H-Pyrimido[4,5-d][1,3]oxazine-2,4(1H)-dione derivatives |
| 03/10/1981 | CA1097347A1 Pyrazolo¬1,5-c|quinazoline derivatives and related compounds |
| 03/03/1981 | US4254124 Antidepressant agent |
| 02/24/1981 | US4252946 Pyrido-[2,3-d]pyrimidine compounds |
| 02/24/1981 | US4252919 Carbonyl compounds, decarboxylation, fertilizers |
| 02/24/1981 | US4252812 2-Substituted-trans-5-aryl-2,3,4,4a,5,9b-hexahydro-1H-pyrido[4,3-b]indoles |
| 02/24/1981 | US4252811 Hexahydro-trans-pyridoindole neuroleptic agents |
| 02/24/1981 | US4252807 Fused pyrimidine derivatives and antiatherosclerotic methods of treatment with them |
| 02/24/1981 | US4252806 Antidepressants |
| 02/24/1981 | US4252803 Hypotensive agents, analgesics |
| 02/24/1981 | US4252721 Antiglaucomic and antipsychotic agents |
| 02/17/1981 | US4251659 Polyfluorohydroxyisopropyl-heterocyclic compounds |
| 02/17/1981 | US4251533 Nitrogen-containing heterocyclic compounds |
| 02/17/1981 | US4251530 2-{[4-(6-Substituted-2-pyrazinyl)-1-piperazinyl]alkyl}-5-substituted-1,2,4-triazolo[4,3-a]pyridin-3(2H)-one analgesic agents |
| 02/17/1981 | US4251435 High molecular weight piperidine derivatives as UV stabilizers |
| 02/17/1981 | CA1095905A1 2,5-methanobenzo¬g| quinoline-3-carboxylate esters |
| 02/10/1981 | US4250268 Polysilylesters having a polyalkylpiperidine as part of the polymer useful as light stabilizers for plastics |
| 02/10/1981 | US4250174 3-Substituted imidazo [1,2-A] pyridines |
| 02/10/1981 | US4250094 1-(Aminoalkyl) substituted-6-phenyl-4H-s-triazolo[4,3-a][1,4]benzodiazepines |
| 02/03/1981 | US4248882 Treating diabetes-associated complications with hydantoin amines |
| 02/03/1981 | US4248878 Imidazole derivatives of 1,5,6,11-tetrahydrobenzo[5,6]cyclohepta[1,2-b]pyrazolo[4,3-e]pyridines |
| 02/03/1981 | US4248863 Produced by streptomyces |
| 01/27/1981 | US4247699 Process for making 2-amino-4-hydroxyquinolines |
| 01/27/1981 | US4247696 Process for preparing gamma phase quinacridone |
| 01/27/1981 | US4247556 Antiulcer agents, treatment of gastritis |