| Patents for C07D 221 - Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups (10,931) | 
|---|
| 01/30/1990 | US4897400 Enhancing memory  | 
| 01/30/1990 | US4897391 Tricyclic anti-allergy, antiinflammatory and anti-hyperproliferative compounds  | 
| 01/23/1990 | CA1264749A1 Tricyclic amines  | 
| 01/11/1990 | WO1989011856A3 Cyclic lactams for cholesterol and atherosclerosis control  | 
| 01/10/1990 | CN1038640A Bicyclic carboxamides, processes for the preparation thereof and pharmaceutical compositions containing them  | 
| 01/09/1990 | US4892950 Process for the preparation of naphthalene-1,8-dicarboximides  | 
| 01/03/1990 | EP0259417B1 Ruthenium catalyst for biarylic coupling; new steganolides  | 
| 12/27/1989 | EP0347960A1 Photosensitive recording material suited for use in electrophotography  | 
| 12/27/1989 | EP0347831A2 Pyridine derivatives and intermediates thereof  | 
| 12/20/1989 | EP0347243A1 Prostaglandin analogues for use in medicine  | 
| 12/14/1989 | WO1989011856A2 Cyclic lactams for cholesterol and atherosclerosis control  | 
| 12/06/1989 | EP0344634A1 Bicyclic carboxamides, process for their preparation and medicaments containing them  | 
| 12/05/1989 | CA1263651A1 Certain ring-fused pyrazolo ¬3,4-d|-pyridin-3-one derivatives  | 
| 11/28/1989 | US4883877 Azabicycloheptanes and process for their preparation  | 
| 11/28/1989 | US4883815 Control or prevention of cerebral insufficiency, improvement of cognitive functions  | 
| 11/15/1989 | EP0341860A1 Benzopyrido piperidine, piperidylidene and piperazine compounds, compositions, methods of manufacture and methods of use  | 
| 11/14/1989 | CA1263000A1 Derivatives of 2-azabicyclo[3.1.0]hexane-3- carboxylic acid, a process for their preparation, agents containing them and their use; and 2- azabicyclo[3.1.0]hexane derivatives as intermediates, and a process for their preparation  | 
| 11/08/1989 | CN1036952A Hydrocinnamic acid derivatives  | 
| 11/02/1989 | WO1989010369A1 Novel benzopyrido piperidine, piperidylidene and piperazine compounds, compositions, methods of manufacture and methods of use  | 
| 11/01/1989 | CN1036763A Condensed ouinoline system compound, condensed acridine system compound, process for preparing the same, and carcinostalic composition containing the same  | 
| 11/01/1989 | CN1036762A Pyridopyrimidine derivatives, pharmaceutical compositions containing them and process for preparing same  | 
| 10/25/1989 | EP0338228A2 Use of quinoline-2,5-diones in a medicament having an analgesic, antipyretic and/or antiphlogistic activity  | 
| 10/25/1989 | CN1036573A Novel process for producing imidazopyridine derivative  | 
| 10/24/1989 | US4876340 Benzazecine derivatives for cognitive and memory functions  | 
| 10/17/1989 | US4874863 Bisnaphthalimides  | 
| 10/10/1989 | US4873349 Ruthenium catalyst for biarylic coupling; new steganolides  | 
| 10/10/1989 | US4873335 3-phenethyl-2-benzene-amides or aza-derivatives thereof  | 
| 10/10/1989 | US4873262 8-Substituted 2-aminotetralins  | 
| 10/04/1989 | EP0252979A4 Multifunctional amino zirconium aluminum metallo organic complexes useful as adhesion promoter.  | 
| 10/03/1989 | US4871857 Certain 3-benzoyl-4-oxolactams  | 
| 10/03/1989 | US4871856 Certain 3-benzoyl-4-oxolactams  | 
| 09/26/1989 | CA1261754A1 Pharmaceutical compositions containing azanaphthalenes  | 
| 09/20/1989 | EP0333137A1 Arylpiperazinylalkoxy derivatives of cyclic imides, a process for their preparation and their use as medicaments  | 
| 09/19/1989 | US4868177 Alzheimer* disease, memory dysfunction  | 
| 09/19/1989 | US4868173 Cephalosporin derivatives  | 
| 09/13/1989 | EP0332190A2 Condensed quinoline system compound, condensed acridine system compound, process for preparing the same, and carcinostatic composition containing the same  | 
| 09/13/1989 | EP0331899A2 A method for the sequential oxidation of substituted-8-hydroxy-quinolines to produce substituted-pyridine-2,3-dicarboxylic acids  | 
| 09/13/1989 | EP0172821B1 New octahydrobenzo (f) quinoline derivatives  | 
| 09/13/1989 | CN1035503A Productive technology for real cholinesterase inhibitor-fuding alkali  | 
| 09/08/1989 | WO1989008256A1 Protected chemiluminescent labels  | 
| 09/06/1989 | EP0330673A1 Benzo 5,6]cycloheptapyridines, compositions and methods of use  | 
| 09/05/1989 | US4864028 Antidiabetic agents  | 
| 08/30/1989 | EP0330461A2 Piperidine derivatives  | 
| 08/30/1989 | EP0330433A2 Protected chemiluminescent labels  | 
| 08/30/1989 | EP0329932A2 Use of quinolizine and quinolizinone derivatives in the manufacture of medicaments  | 
| 08/29/1989 | US4861913 Bicyclic sulfonamide derivatives  | 
| 08/29/1989 | US4861779 Anti-bacterial substituted bridged-diazabicycloalkyl quinolone carboxylic acids  | 
| 08/29/1989 | US4861564 Method of use of 1,3 disubstituted aromatic cyclohexane imides as chelating agents  | 
| 08/23/1989 | CN1034925A Quinoline, quinazoline, and cinnoline  | 
| 08/22/1989 | US4859579 Silver halide photographic material  | 
| 08/22/1989 | CA1258674A1 Opiate agonists and antagonists  | 
| 08/15/1989 | US4857660 Enzyme inhibitors, anticancer agents  | 
| 08/15/1989 | US4857648 Isoquinoline derivatives  | 
| 08/15/1989 | US4857647 Dopamine antagonist  | 
| 08/15/1989 | CA1258424A1 Phenanthridinium ester as a labelling compound in luminometric immunoassay  | 
| 08/09/1989 | EP0327492A1 Herbicidally and plantgrowth regulatory active quinoline and pyrindine compounds  | 
| 08/09/1989 | EP0326981A2 4-Oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide derivatives, their preparation, medicaments containing them and their preparation  | 
| 08/08/1989 | US4855479 Substituted 9-amino-spiro(cycloalkyl(B)quinoline-2,1'cycloalkanes  | 
| 08/08/1989 | US4855297 Tricyclic pyridone derivatives  | 
| 08/02/1989 | EP0326330A2 Quinoline, quinazoline, and cinnoline fungicides  | 
| 08/02/1989 | EP0326134A1 4-Amino-2,3-disubstituted-6,7-dihydro-5H-1-pyridine derivatives, process for their preparation and medicaments containing them  | 
| 08/01/1989 | CA1258148A1 Process for the preparation of n-alkylated dipeptides and their esters  | 
| 07/13/1989 | WO1989006231A1 Assays utilizing improved chemiluminescent esters, thioesters and amides  | 
| 07/05/1989 | EP0322926A2 Assays utilizing improved chemiluminescent esters, thioesters and amides  | 
| 06/21/1989 | EP0321175A1 Indane derivatives  | 
| 06/21/1989 | EP0320753A2 Derivatives of cyclic aminoacids, their preparation, compounds containing them, and their use  | 
| 06/13/1989 | US4839364 9-Amino-3,4-dihydroacridines and related compounds useful for enhancing memory  | 
| 06/07/1989 | EP0319429A2 9-Acylamino-tetrahydroacridine derivatives and memory enhancing agent containing said derivative as active ingredient  | 
| 06/07/1989 | EP0319061A1 Medicament with antiemetic action  | 
| 05/30/1989 | US4835275 Method of preparing 9-amino-1,2,3,4,-tetrahydroacridin-1-ones and related compounds  | 
| 05/24/1989 | EP0317506A2 Azabicycloheptanes and method for their preparation  | 
| 05/24/1989 | EP0317416A1 Process for the preparation of 1-chloro-5-alkyl isoquinolines condensed with aromatic groups, the products so obtained and their use as medicines  | 
| 05/24/1989 | EP0316582A1 4-Formyl amino piperidine derivatives, their use as stabilizers and organic materials stabilized therewith  | 
| 05/23/1989 | CA1254571A1 Process for producing 9-carbamoyl fluorene derivatives  | 
| 05/17/1989 | EP0315886A2 Isoquinoline derivatives, their manufacture and use  | 
| 05/02/1989 | US4826853 6,11-Dihydro-11-(N-substituted-4-piperidylidene)-5H-benzo(5,6)cyclohepta(1,2-B)pyridines and compositions and methods of use  | 
| 05/02/1989 | US4826850 Quinoline base compound, process for the preparation thereof and anticancer agent containing the same as pharmacologically efficacious component  | 
| 05/02/1989 | US4826846 Arylpiperazinylalkoxy derivatives of cyclic imides to treat anxiety  | 
| 04/25/1989 | US4824999 Psychotropic polycyclic imides  | 
| 04/25/1989 | US4824835 Isoquinolinedione derivatives, pharmaceutical compositions and methods of use  | 
| 04/19/1989 | CN1032440A 4-aminopyridine derivatives  | 
| 04/19/1989 | CN1032437A Immunomodulatory azaspiranes  | 
| 04/18/1989 | CA1252786A1 Substituted spiro-quinolines, spiro-naphthyridines and spiro-(aza-naphthyridines), pharmaceutical compositions containing them and processes for the preparation of such compounds and compositions  | 
| 04/12/1989 | EP0311303A2 4-aminopyridine derivatives  | 
| 04/06/1989 | WO1989002889A1 Immunomodulatory azaspiranes  | 
| 04/06/1989 | WO1989002740A1 4-aminopyridine derivatives  | 
| 04/06/1989 | WO1989002739A1 4-aminopyridine derivatives  | 
| 04/05/1989 | EP0310321A2 Immunomodulatory azaspiranes  | 
| 03/29/1989 | EP0309422A2 New amidino tricycle derivatives  | 
| 03/29/1989 | EP0308913A2 2,6-Methanopyrrolo-3-benzazocines, a process and intermediates for their preparation and their use as medicaments  | 
| 03/29/1989 | EP0308444A1 PYRROL 1.2-b]AZINES  | 
| 03/22/1989 | EP0308340A1 Process for the synthesis of N-alkylated alpha-amino acids and their esters, use in the synthesis of carboxyalkyl dipeptides  | 
| 03/21/1989 | US4814453 Naphthalimides containing sulfuric acid ester groups, a process for their preparation and their use  | 
| 03/21/1989 | US4814450 Central nervous system disorders  | 
| 03/15/1989 | EP0306826A1 N-(substituted alkylidene)fused bicycloalkylidene and hetero-alkylidene quinolinamines, a process for their preparation and their use as medicaments  | 
| 03/15/1989 | EP0306825A1 N-(substituted alkylidene)-1,2,3,4,-tetrahydro-9-acridinamines, a process for their preparation and their use as medicaments  | 
| 03/14/1989 | CA1251211A1 Process for the preparation of triazole derivatives  | 
| 03/08/1989 | EP0306356A1 Condensed piperidine derivatives, intermediates and process for their preparation , their use as medicaments and pharmaceutical compositions containing them  | 
| 03/07/1989 | US4810708 Antiallergy, immunosuppressive  | 
| 03/07/1989 | US4810636 Chromogenic acridinone enzyme substrates  |