| Patents for C07D 491 - Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or (29,726) |
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| 08/12/1981 | EP0033612A1 Pyrano derivatives, a process for their preparation and antihypertensive compositions containing them |
| 08/12/1981 | EP0033488A1 Therapeutically active derivatives of nicotinic acid, process for their preparation and related pharmaceutical compositions |
| 08/11/1981 | US4283409 Imidazolone derivatives |
| 08/11/1981 | CA1106847A1 2-phenylimino-1-hydroxy imidazolidine compounds |
| 08/06/1981 | WO1981002164A1 Seven-membered ring compounds as inhibitors of cytidine deaminase |
| 08/04/1981 | US4282229 Hydantoin derivatives as therapeutic agents |
| 08/04/1981 | US4282224 Alkoxy-pyridyl substituted alkanes |
| 07/29/1981 | EP0032889A1 1,10-Dimethyl-oxayohimbane derivatives and medicaments containing them |
| 07/29/1981 | EP0032821A1 Substituted benzopyranotriazoles |
| 07/28/1981 | US4281131 4-Hydroxy-2-quinolinone-3-carboxylic acids and salts thereof |
| 07/28/1981 | US4281001 Method for treatment of rheumatism |
| 07/21/1981 | CA1105466A1 3,3,3-triarylalkyl-4-phenylalkyl-4-hydroxy piperidines and related compounds |
| 07/14/1981 | US4278676 Heterocyclic compounds |
| 07/07/1981 | US4277605 Chemical compounds |
| 07/07/1981 | US4277478 Antibiotic and use thereof |
| 07/07/1981 | CA1104566A1 Process for the manufacture of azatetracyclic compounds |
| 07/01/1981 | EP0031080A1 2-Acylaminomethyl-1,4-benzodiazepines and their salts, as well as a process for their preparation and pharmaceutical compositions containing these compounds |
| 06/30/1981 | US4276296 Substituted benzopyrano[3,4-c]pyridines, compositions and use thereof |
| 06/30/1981 | US4276188 Optical brighteners for cotton and polyamides |
| 06/30/1981 | US4275905 A photostable colorless marking liquid comprising a chromogen, a solvent, pyridyl blue, and a phenol |
| 06/24/1981 | EP0030916A1 Azatetracyclic carbonitriles |
| 06/23/1981 | US4275206 Lactone compounds containing an indolizine radical |
| 06/23/1981 | US4275057 Cancer and antitumor drug research |
| 06/23/1981 | CA1103671A1 No translation available |
| 06/17/1981 | EP0030423A1 A process for the production of 1,4-dihydro-4-oxo-quinoline-2-carboxylic acids, or salts, esters or amides thereof and intermediates therefor |
| 06/16/1981 | US4273930 Intermediates for the 4-alkoxy antiallergens |
| 06/10/1981 | EP0029934A1 Benzopyrano derivatives, pharmaceutical compositions containing them and processes for preparing the compounds and compositions |
| 06/09/1981 | US4272535 2,4-[1H,3H,5H]-(1)-Benzopyrano-[2,3-d]-pyrimidinediones and their use as anti-allergy agents |
| 06/03/1981 | EP0029559A2 5,10-dihydroimidazo(2,1-b)quinazolines, their production and pharmaceutical compositions containing them |
| 05/27/1981 | EP0029286A1 Pyrrolo(3,4-c)quinoline derivatives, processes therefor, and pharmaceutical compositions |
| 05/26/1981 | US4269844 Histamine antagonist; antisecretory, antiinflammatory, and hypotensive agents |
| 05/19/1981 | US4268515 Spiro[dihydrobenzofuran-piperidines and-pyrrolidines], pharmaceutical compositions thereof and methods of use thereof |
| 05/19/1981 | US4268514 1'-Substituted xanthene-9-spiro-4'-piperidine derivatives and analgesic compositions thereof |
| 05/19/1981 | US4268513 Pyrrolo [3,4-c]quinoline compounds and pharmaceutical compositions, methods for their use and preparation |
| 05/19/1981 | US4268512 Anxiolytic agents, psychostimulants |
| 05/19/1981 | CA1101421A1 Pyrano¬4,3-e| -as-triazines, their production and tranquilliser/sleep-inducer use |
| 05/13/1981 | EP0028485A1 Spiro-imidazolones for alleviating diabetes-associated conditions, processes for preparing them, and pharmaceutical compositions containing them |
| 05/12/1981 | US4267332 Antiallergens |
| 05/06/1981 | EP0028017A1 3-Piperidinone-4-carboxylic acid derivatives |
| 05/06/1981 | EP0027835A1 Process for producing cis-(+,-)-3,4-dihydro-N,N,2-trimethyl-2H-1-benzopyran-3-amine, intermediates produced thereby and their preparation |
| 05/05/1981 | US4265889 Dopaminergic, hypotensive |
| 05/05/1981 | US4265803 Photostability and heat resistance |
| 05/05/1981 | CA1100502A1 Quinoxalines and their use in photographic processes |
| 05/05/1981 | CA1100496A1 N-substituted-6-oxamorphinans |
| 04/29/1981 | EP0027620A1 2,2,6,6-Tetraalkyl-4-piperidyl-bis-spiro-ethers and synthetic polymers stabilised therewith |
| 04/22/1981 | EP0027348A1 7,8-Dihydroxy-1-(sulfamylphenyl)-2,3,4,5-tetrahydro-1H-3-benzazepine derivatives, a process for their preparation and compositions containing them |
| 04/22/1981 | EP0027279A1 Isoxazolo(5,4-C)pyridines |
| 04/21/1981 | US4263437 Acetic acid derivatives of 5,6-dihydrobenzo[b]pyrido[3,2-f]thiepine and oxepine |
| 04/21/1981 | US4263315 Tranquillizers; sedatives; antagonist for stimulants |
| 04/21/1981 | US4263202 Photostabilizers for plastics using metal phenolates |
| 04/14/1981 | US4262008 2,4-Disubstituted 5-oxo-5H-hexahydrofuro[3,2b]pyrroles |
| 04/14/1981 | US4261989 Geldanamycin derivatives and antitumor drug |
| 04/14/1981 | US4261988 Chromanone derivatives |
| 04/14/1981 | CA1099259A1 Polycyclic nitrogenous compounds |
| 04/08/1981 | EP0026675A1 1-Azaxanthone-3-carboxylic acids, their preparation and pharmaceutical compositions containing them |
| 04/08/1981 | EP0026505A1 7,8-Substituted-1-phenyl-2,3,4,5-tetrahydro-1-H-3-benzazepines |
| 04/07/1981 | US4260776 Pyrazolone |
| 04/07/1981 | US4260761 Intermediates for the preparation of octahydro-1H-benzo[4,5]furo[3,2,-e]-isoquinoline analgesic and narcotic antagonistic compounds |
| 04/07/1981 | US4260616 Antimicrobial imidazolylethoxymethyl derivatives of 1,3-dioxolo quinolines |
| 04/07/1981 | US4260613 Antiinflammatory, antipyretic, analgesic |
| 04/07/1981 | CA1098908A1 3,4-dihydroxy-4-phenylpiperidine derivatives |
| 03/31/1981 | US4259235 Tricyclic nitrogenous compounds having string plant growth regulating properties |
| 03/31/1981 | CA1098525A1 Arthropod repellents |
| 03/31/1981 | CA1098519A1 No translation available |
| 03/24/1981 | US4258054 Hydantoin derivatives as therapeutic agents |
| 03/24/1981 | US4258046 Pyrano-heterocycles and medicaments containing these compounds |
| 03/17/1981 | CA1097645A1 Pyrimidine derivatives, their preparation and therapeutic compositions containing the same |
| 03/10/1981 | US4255580 Treatment of psychological disorders |
| 03/10/1981 | US4255576 1-Azaxanthone derivatives |
| 03/10/1981 | US4255445 Dopaminergic activity, renal vasodilating activity |
| 03/10/1981 | US4255429 Hypotensive agents |
| 03/10/1981 | CA1097362A1 Chroman-4-ones |
| 03/03/1981 | US4254135 3-Amino-4-hydroxypyrrolidines |
| 03/03/1981 | US4254116 Analgesics, antidepressants, neutralizing agents |
| 03/03/1981 | CA1096869A1 Pyridine derivative, its preparation and use |
| 02/25/1981 | EP0024215A1 Herbicidal sulfonylisoureas, and compositions, preparation and use thereof |
| 02/17/1981 | US4251541 Antidepressants |
| 02/17/1981 | US4251528 Phthalazin-4-ylacetic acid derivatives |
| 02/17/1981 | CA1095914A1 4-hydroxy-2-quinolinone-3-carboxylic acid compounds |
| 02/17/1981 | CA1095909A1 9-hydroxyhexahydrobenzol¬c| quinolines and intermediates therefor |
| 02/11/1981 | EP0023569A1 Derivatives of carboxylic acids, their preparation and medicaments containing them |
| 02/10/1981 | US4250313 Process for preparing 4-piperidone spiroketal compounds |
| 02/10/1981 | US4250312 Process for preparing 4-piperidone spiroketal compounds |
| 02/10/1981 | US4250268 Polysilylesters having a polyalkylpiperidine as part of the polymer useful as light stabilizers for plastics |
| 02/10/1981 | CA1095519A1 Esters of 1,4-ethano-10-hydroxy-5-oxo-5h-[1] benzopyrano [3,4-b] pyridine |
| 02/10/1981 | CA1095518A1 Pyrano-as-triazines |
| 02/10/1981 | CA1095515A1 Process for preparing n-chloroimides |
| 02/04/1981 | EP0023330A1 2,2,6,6-Tetraalkyl-4-piperidyl alcohol esters of tetradecylene polycarboxylic acids as light stabilizers for synthetic polymers and stabilized compositions |
| 02/04/1981 | EP0023308A1 N-acyl-piperidone cetals, process for their preparation and their use as antidotes in the protection of crop plants against damage by herbicides |
| 02/03/1981 | US4248885 For gastrointestinal, urogenital, rheumatic, and cardiovascular disease |
| 02/03/1981 | US4248882 Treating diabetes-associated complications with hydantoin amines |
| 02/03/1981 | US4248879 Benzopyranotriazoles |
| 02/03/1981 | US4248876 Antidepressants |
| 02/03/1981 | US4248874 Benzopyrano compounds as antiglaucoma agents |
| 01/28/1981 | EP0022997A1 2,2,6,6-Tetramethyl-4-piperidyl carboxylic acid esters and amides of mono and poly alcohols, phenols and amines and synthetic polymer compositions stabilized thereby |
| 01/27/1981 | US4247557 Benzopyranopyridines as antiglaucoma agents |
| 01/22/1981 | WO1981000113A1 Immobilized catalysts having their origin in higher plants |
| 01/21/1981 | EP0022446A1 Process for the preparation of biotin esters and biotin |
| 01/20/1981 | US4246413 6-Oxamorphinans |
| 01/20/1981 | US4246269 Antidepressant piperidinones |