Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › 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
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)
01/1982
01/05/1982US4309537 Production of imidazo[4,5-b]pyridin-2-ones or thiones
12/1981
12/30/1981EP0042526A1 Process for producing apovincaminic acid esters and their salts
12/29/1981US4308273 1,6-Naphthyridine derivatives, and antidinic and cerebral circulation improver containing such derivatives
12/29/1981US4308206 Process for preparing derivatives of 5,11-dihydro-6h-pyrido[2,3-b][1,4]-benzodiazepin-6-one, and the final derivatives and synthesis intermediates obtained thereby
12/29/1981CA1115272A1 4-amino-3-carboxy or cyano-1,2-dihydro-2-oxo-1,8- naphthyridine derivatives
12/23/1981EP0042348A1 Olivacine derivatives and their therapeutical use
12/22/1981US4307235 Spiro[indoline-3,4'-piperidine]s
12/22/1981US4307101 Antihistamines and antisecretory agents of the thiourea or urea derivatives 5,6,7,8-tetrahydroimidazo(1,5a)pyridine
12/22/1981US4307096 Method of treating glaucoma with cycloalkyltriazoles
12/22/1981US4307095 Method of treating schizophrenia with cycloalkltriazoles
12/22/1981CA1114822A1 Furonaphthyridine compounds
12/16/1981EP0041624A2 Method to beneficially influence & alter the development & life cycle of agronomic and horticultural crops with certain imidazolinyl nicotinic acids and derivatives thereof
12/16/1981EP0041623A2 Substituted imidazolinyl nicotine acids, esters and salts and use thereof as herbicidal agents
12/15/1981US4306067 Antipsychotics, antiemetics, and analgesics
12/15/1981US4305938 2,8-Disubstituted-10-hydroxy-5,5-dimethyl-tetrahydro-and hexahydro-5H-[1]-benzopyrano[4,3-c]pyridines, compositions and use
12/08/1981US4304914 Cardiotonic agents, hypotensive agents
12/08/1981US4304847 Alkaline developing solution containing a stannous salt, a dye, and a bis/pyridinium compound
12/08/1981CA1113937A1 Substituted piperidinylpropanols
12/02/1981EP0040639A1 Isoxazole derivatives
12/01/1981US4303663 Butyrophenone compounds
12/01/1981US4303661 Benzyl-tetrahydro-2,4-dihydroxy-1,6-naphthyridine-3 carboxylic acid type antiallergy agents
12/01/1981CA1113468A1 Process for the preparation of new 4,5,6,7- tetrahydroimidazo-[4,5-c]-pyridine derivatives
11/1981
11/18/1981EP0039920A2 Triazaloquinoxalin-1,4-diones
11/18/1981EP0039912A1 Process for preparing pigments of the perylene-3,4,9,10-tetracarboxylic acid series, and their use
11/18/1981EP0039804A1 Cyclic amides
11/17/1981US4301281 7,8-Dihydro-2,5,8-trisubstituted-7-oxo-pyrido[2,3-d]-pyrimidine-6-carboxylic acid amides
11/10/1981US4299830 1,5-Methano-1,4-benzodiazocines, intermediates therefor, and method of use and compositions thereof
10/1981
10/28/1981EP0038619A2 Process for preparing vincamine and related alkaloids
10/28/1981EP0038528A1 Dihydro-as-triazino(5,6-c)quinoline derivatives, process for their preparation and pharmaceutical compositions containing these compounds
10/27/1981US4297358 Novel 4,7-phenanthroline derivatives and pharmaceutical compositions containing them and their use
10/20/1981US4296114 3,4-Dihydro-3-oxopyrido[2,3-b]-pyrazines, compositions and use thereof
10/13/1981US4294949 Novel polymeric compounds
10/13/1981US4294837 1,3-Dihydro-6-(pyridinyl)-2H-imidazo[4,5-b]pyridin-2-ones and -imidazo[4,5-b]pyridine-2-thiones and their cardiotonic use
10/13/1981US4294836 1,3-Dihydro-6-(pyridinyl)-2H-imidazo[4,5-b]pyridin-2-ones and -imidazo[4,5-b]-pyridine-2-thiones and their cardiotonic use
10/07/1981EP0037265A1 3-(1-piperidinylalkyl)-4H-pyrido(1,2-a)pyrimidin-4-one derivatives
10/06/1981US4293703 Imidazole or imidazoline substituted ureas
10/06/1981US4293699 Pharmacologically active guanidine compounds
10/06/1981US4293697 Antihistamines
10/06/1981US4293696 Immunostimulants
10/06/1981US4293695 Furonaphthyridine compounds
10/06/1981US4293694 Pyrido[3,2,1-jk]carbazols
10/06/1981CA1110237A1 Synthesis of new sulfamphthaleins
09/1981
09/29/1981US4292321 1,3,8-Triazaspirodecane-4-ones, pharmaceutical compositions thereof and method of use thereof
09/29/1981US4292319 Antiphlogistic pharmaceutical compositions and method of use
09/29/1981US4292069 Herbicides
09/23/1981EP0036269A1 Substituted benzamides
09/22/1981US4291039 Tetrahydro β-carbolines having anti-hypertensive activity
09/22/1981US4291036 Pyrido[1,2-A]pyrimidine derivatives and method of analgesic treatment
09/16/1981EP0035902A1 1-(4-Aryl-cyclohexyl)piperidine derivatives
09/15/1981US4289882 Morphine analog analgesics
09/15/1981US4289686 Tetra-alkyl piperidine derivatives as light stabilizers
09/15/1981CA1109067A1 Preparation of 6,7-dichloro-1,5-dihydroimidazo ¬2,1- b| quinazolin-2(3h)-one
09/15/1981CA1109064A1 New, in 11-position substituted, 5,11-dihydro-6h- pyrido [2,3-b] - [1,4] benzodiazepine-6-ones, processes for their production and pharmaceutical compositions containing them
09/09/1981EP0035474A1 Amidines, process for their production, pharmaceutical preparations containing them and their use
09/09/1981EP0035244A2 Cycloalka(4,5)pyrrolo(2,3-g)isoquinolines, processes and intermediates for their preparation, and medicines containing them
09/08/1981US4288438 Nitrogen-containing heterocyclic ring derivatives and analgesic and anti-inflammatory compositions and methods employing them
09/08/1981US4288365 Pyrido derivatives
09/08/1981CA1108613A1 Pyrimido ¬2,1-a| isoquinoline derivatives
09/01/1981US4287198 Pharmacologically active guanidine compounds
09/01/1981CA1108148A1 Pyridinyl aminoalkyl ethers
09/01/1981CA1108147A1 2-aminooctahydroindolo [2,3-a] quinolizine compounds
08/1981
08/25/1981US4285950 Effecting cyclization by treating a 1-(2-hydroxy-2-carbalkoxyethyl)-9-halo-octahydroindoloquinolizine with a strong base
08/25/1981US4285865 Process for the preparation of halogenated 15-hydroxy-E-homoeburnane compounds
08/25/1981CA1107735A1 Pyridin-3-ols
08/25/1981CA1107729A1 Preparation of derivatives of fluorenes and fluoranthenes
08/19/1981EP0034116A2 N-(3-phenoxy-2-hydroxypropyl)benzimidazole-1-alkanamines
08/19/1981EP0034063A1 Hydantoin amines and pharmaceutical compositions thereof
08/19/1981EP0033797A1 1-Hydroxyalkanamine tetrahydrocarbazoles, their preparation, pharmaceutical compositions containing same and their preparation, intermediates therefor and their preparation
08/18/1981US4284778 Nitrogen-containing heterocyclic ring derivatives
08/18/1981US4284634 1,4-Dihydropyridine derivatives, and pharmaceutical method of the same
08/18/1981US4284629 Process for the preparation of 4-pyridone-3-carboxylic acids and/or derivatives thereof
08/18/1981CA1142176B 2-azaergolines and 2-aza-8 (or 9)-ergolenes
08/18/1981CA1107279A1 Process for stereospecifically reducing indoles and indole-containing structures
08/18/1981CA1107275A1 2-azaergolines and 2-aza-8(or 9)- ergolines
08/18/1981CA1107199A1 Drug-combinations and processes of their preparation
08/11/1981US4283536 Psychopharmacologic agents
08/11/1981US4283409 Imidazolone derivatives
08/11/1981US4283401 Process for the preparation of 11-bromo-vincaminic acid ester derivatives and their use in protecting animals against cerebral hypoxy
08/11/1981CA1106846A1 Aminoalkoxyphenyl-derivatives
08/05/1981EP0033094A1 Imidazo(1,2-a)pyridines, processes for their preparation and pharmaceutical compositions containing them
08/05/1981EP0033015A1 Electrically conductive cyclic polyimides
08/04/1981US4282362 Treating parkinson's disease, inhibitors of pre actin secretion, dopamine antagonists
08/04/1981US4282242 Antidiabetic pyrrolecarboxylic acids
08/04/1981CA1106359A1 Cephalosporin compounds and process for preparation thereof
07/1981
07/28/1981US4281005 Novel 2-pyridylimidazole compounds
07/23/1981WO1981002013A1 Hetero ring-substituted oxoalkanoic acid derivatives
07/21/1981US4279912 Novel imidazoquinolines
07/21/1981US4279817 Method for producing dimer alkaloids
07/15/1981EP0031956A1 Photosensitive recording material
07/14/1981US4278793 Cephem derivative
07/14/1981US4278682 Vasodilating method of treatment using a indolo-quinolizine-monoester, diester or nitrile
07/14/1981CA1105025A1 Spiro[indoline-3,4'-piperidine] s and related compounds
07/14/1981CA1105023A1 N-benzylbispyridine compounds
07/14/1981CA1105020A1 Various 1,5,6,11-tetrahydro[5,6] cyclohepta-[1, 2-b]-pyrazolo[4,3-e] pyridine derivatives
07/08/1981EP0031796A2 4-Heterocyclyl-4'-vinyl-stilbenes
07/08/1981EP0031741A1 Substituted imino-acids, process for their preparation and their use as enzyme inhibitors
07/07/1981US4277603 Preparation of 5-deazariboflavins
07/07/1981US4277480 Tetrahydroindoloisoquinolines
07/07/1981US4277476 Derivatives of fluorenes and fluoranthenes and process for their preparation
07/07/1981US4277472 3,6-Disubstituted-5,7-(lower alkano)-5,6,7,8-tetrahydropyrido(4,3-C)pyridazines; their intermediates, preparation, antihypertensive use and compositions
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