Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › C07D 221 - Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups
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)
11/1990
11/14/1990EP0397042A2 Process for the preparation of isoquinoline derivatives
11/07/1990EP0396083A1 Heterocyclic N-oxide derivatives of substituted benzo[5,6]cycloheptapyridines, compositions and methods of use
11/06/1990US4968679 8-substituted 2-aminotetralins
11/06/1990US4968341 Substituted aryloxyureas, processes for production thereof and uses thereof
11/06/1990CA1276021C Substituted diazaoxaspirodecanes, preparation thereof and use thereof as stabilizers for polymers
11/06/1990CA1276013C Cephalosporin derivatives
11/02/1990WO1990013548A1 Heterocyclic n-oxide derivatives of substituted benzo[5,6]cycloheptapyridines, compositions and methods of use
11/01/1990WO1990012574A1 Dopamine agonist compounds
11/01/1990WO1990009993A3 Method for the synthesis of huperzine a and analogs thereof and compounds useful therein
10/1990
10/31/1990EP0395312A2 Piperazine derivatives
10/31/1990EP0395244A1 Pyridine derivatives
10/31/1990EP0395192A2 Process for the preparation of 8-(4-(4-pyrimidin-2-yl-piperazinyl)-butyl)-8-aza-spiro(4.5)decane-7,9-dione (buspiron)
10/31/1990EP0395093A1 Triphenylmethane derivatives
10/31/1990EP0394950A1 Pyridine derivatives
10/30/1990US4966971 Reduction, hydrolysis, cyclization of acetal compound
10/25/1990CA2015282A1 Pyridine derivatives
10/16/1990US4963568 Treatment of parkinson*s disease, cardiovascular disorders
10/16/1990US4963557 Immunomodulatory azaspiranes
10/03/1990CN1009826B Process for preparing quinolyl compounds
10/02/1990US4960909 7-oxabicyclo[2.2.1] heptane sulfonamide derivatives
10/02/1990US4960779 Pyrrole derivatives, and pharmaceutical compositions which contain them and pharmacological methods of use
09/1990
09/26/1990EP0388977A2 Polycyclic amines useful as cerebrovascular agents
09/23/1990CA2012866A1 Polycyclic amines useful as cerebrovascular agents
09/20/1990WO1990010438A1 Compositions and methods for treating viral infections
09/20/1990CA2011640A1 Quinoline derivatives
09/18/1990US4957911 Learning enhancement
09/05/1990EP0385721A2 Process for the preparation of lactam derivatives
09/05/1990EP0385237A2 2-(1-piperazinyl)-4-phenylcycloalkanopyridine derivatives, processes for the production thereof, and pharmaceutical composition containing the same
08/1990
08/24/1990WO1990009995A1 Uv-absorbing compounds and compositions
08/22/1990WO1990009993A2 Method for the synthesis of huperzine a and analogs thereof and compounds useful therein
08/22/1990CA2296915A1 Fused ring pyridines
08/21/1990US4950613 Proteted chemiluminescent labels
08/21/1990CA1273013A1 1-methylcarbapenems having a 2-quaternary heteroarylalkylthio substituent
08/14/1990US4948896 Reacting an enone and an aminodiester
08/14/1990US4948796 Piperazine derivative or its salt, process for producing the same and pharmaceutical composition comprising the same as active ingredient
08/09/1990WO1990006753A3 Cancer treatment
08/08/1990CN1044463A Method for sequential oxidation of substituted-8-hydroxy-quinolinens to produce substituted-pyridine-2,3-dicarboxylic acids
08/07/1990CA1272480A1 Process for preparing piperidylidene dihydro- dibenzo¬a,d,|cycloheptenes and aza derivatives thereof, compounds obtained by such process and the use of such compounds for preparing useful pharmaceutical, compositions
08/01/1990EP0380392A2 Derivatives of benzocycloalkenyl dihydroxyalkanoic acids, methods of making them and phrmaceuticals containing them
08/01/1990EP0380038A2 3-phenyl-5,6-dihydrobenz (C) - acridine-7-carboxylic acids and related compounds as cancer chemotherapeutic agents
07/1990
07/25/1990CA2007529A1 3-phenyl-5, 6-dihydrobenz [c] acridine-7-carboxylic acids and related compounds as cancer chemotherapeutic agents
07/24/1990US4943502 Photosensitive recording material suited for use in electrophotography containing dihydroquinoline charge transport compounds
07/18/1990CN1043935A Substituted semicarbazone arthropodicides
07/17/1990US4942227 Bifunctional molecules having a DNA intercalator or DNA groove binder linked to ethylene diamine tetraacetic acid, their preparation and use to cleave DNA
07/12/1990WO1990007503A1 Substituted 3-azabicyclo[3.1.1]heptanes, their production and use
07/12/1990WO1990007495A1 Substituted semicarbazone arthropodicides
07/11/1990EP0377304A2 Substituted semicarbazone arthropodicides
07/04/1990EP0376870A1 A new organosilylpolyphosphoric reagent, its preparation and application to the process of synthesis of 3-carboxyquinolones or azaquinolones and their salts
07/04/1990EP0376166A1 Condensed quinoline system compound and process of preparation thereof
07/03/1990US4939158 Phenanthridine derivatives and compositions containing them
06/1990
06/28/1990WO1990006927A1 5-ht selective agents
06/28/1990WO1990006753A2 Cancer treatment
06/28/1990DE3843481A1 Substituierte 3-azabicyclo/3.1.1/heptane, ihre herstellung und ihre verwendung Substituted 3-azabicyclo / 3.1.1 / heptane, their preparation and their use
06/27/1990EP0374705A2 Photopolymerisable compounds, photopolymerisable mixtures containing them and photopolymerisable recording material manufactured therefrom
06/22/1990CA2006073A1 Photopolymerizable compounds, photopolymerizable mixture containing same and photopolymerizable copying material produced therefrom
06/20/1990EP0373658A2 Use of quinoline derivatives in treating cancer
06/15/1990CA2005441A1 5-ht selective agents
06/14/1990WO1990006303A1 Arylpiperidine derivatives
06/13/1990EP0372776A2 Arylpiperidine derivatives
06/12/1990CA1270253A1 R(-)-10,11-alkylenedioxy-n-alkylnorapomorphine
06/06/1990EP0371388A2 Acridine derivatives
06/06/1990CN1042709A Non-linear optica-active organic compounds and electro-optical device
05/1990
05/30/1990EP0370499A2 Use of benzomorphanes in cytoprotection
05/29/1990US4929731 Method for the synthesis of huperzine A and analogs thereof and compounds useful therein
05/29/1990US4929622 2,6-Methanopyrrolo-3-benzazocines
05/29/1990CA1269661A1 Spiro-tricyclicaromatic succinimide derivatives as inhibitors of aldose reductase
05/28/1990CA2003909A1 Acridine derivatives
05/24/1990CA2003572A1 Use of benzomorphanes for cytoprotection
05/23/1990EP0369344A1 N-arylation of isatins
05/23/1990CN1008055B Pesticide composition with acrylic derivs. as active component and process for preparing same, and use thereof
05/22/1990US4927832 Novel tetrahydropyridines having analgesic activity
05/22/1990US4927729 Electrography
05/16/1990EP0368188A1 1,2,3,4-Tetrahydro-1,9-acridinediamines, a process for their preparation and their use as medicaments
05/15/1990CA2002708A1 N-arylation of isatins
05/09/1990CA2002531A1 1,2,3,4-tetrahydro-1,9-acridinediamines, a process for their preparation and their use as medicaments
05/08/1990US4923993 Unsaturated hydrazone and halide, diels-alder
05/03/1990WO1990004394A1 New antiviral agents
05/02/1990EP0366273A1 Benzopyran derivatives with smooth muscle relaxant activity
04/1990
04/24/1990US4919848 Process for the quenching of fluorescence, and new cationic naphthalene-peri-dicarboxylic acid imide derivatives
04/24/1990CA2001356A1 Antiviral agents
04/18/1990EP0364313A1 Non-linearly optically active organic compounds and electrooptical devices containing them
04/17/1990US4918077 Antitumor agents
03/1990
03/28/1990EP0360077A2 Use of serotonin antagonists in the treatment of apoplexia cerebri
03/27/1990US4912114 Morphinan derivatives
03/27/1990US4912002 Electrophotosensitive layered article provided styryl compounds and bisazo pigment
03/27/1990CA1267147A1 Fredericamycin a derivatives
03/27/1990CA1267145A1 Octahydroindolo ¬2,3-a| quinolizin-1-yl- alkanecarboxylic acid amides and their therapeutically useful acid addition salts, pharmaceutical compositions containing them and process for preparing same
03/21/1990EP0228416B1 Pharmaceutical compositions containing azanaphthalenes
03/20/1990US4910218 With a hydroxy containing secondary amine group
03/13/1990US4908365 Pharmaceuticals
03/08/1990WO1990002123A1 Amino-substituted bridged azabicyclic quinolone carboxylic acids and esters
03/07/1990EP0357047A1 Spiro compounds
03/07/1990EP0356788A2 Quinoline and pyridine anchors for HMG-CoA reductase inhibitors
03/06/1990CA1266479A1 Herbicidal fused tricyclic 1,3-dione derivatives
02/1990
02/28/1990EP0356193A2 Amino-substituted bridged azabicyclic quinolone carboxylic acids and esters
02/21/1990CN1039809A Process for preparing substituted aminomethytetralins and their heterocyclic analogues
02/20/1990US4902817 Process for the synthesis of alpha n alkylated amino acids and esters thereof, application to the synthesis of carboxyalkyl dipeptides
02/07/1990EP0353868A2 Phenalenimine fluorescent dyes and their use in analytical compositions, elements and methods
01/1990
01/31/1990EP0353031A2 Anthrapyridone compounds and their production process
01/31/1990EP0352613A2 Substituted amino methyl tetralines, and their heterocyclic analogous compounds
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