Patents
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)
01/1981
01/14/1981EP0022434A2 Catalysts for the production and transformation of natural products having their origin in higher plants, process for production of the catalysts, and use thereof
01/13/1981US4244957 Hypotensive agents
01/13/1981US4244951 Bis-esters of methanediol with penicillins and penicillanic acid 1,1-dioxide
01/13/1981US4244872 Cationic fluorescent dyes
01/06/1981US4243668 Octahydro-1H-benzo[4,5]furo[3,2-e]-isoquinoline analgesic and narcotic antagonistic compounds
01/06/1981US4243585 Bendodiazocine derivatives and process of making the same
01/06/1981US4243250 Furopyridinones or furopyrazinones as color formers
12/1980
12/30/1980US4242513 Lactone compounds containing a heterocyclic radical
12/30/1980US4242264 Tricyclic imidyl derivatives
12/23/1980CA1092107A1 Trisubstituted 1-phenyl-2,3,4,5-tetrahydro-1h-3- benzazepine compounds
12/16/1980US4239605 Oxidation of diphenolic derivatives
12/16/1980CA1091665A1 5-phenyl-1h-3-benzazepine derivatives
12/09/1980US4238562 Transparent resin binder, spirobenzopyran indole, coloring agent
12/09/1980US4238501 Combating arthropods with 2- and 4-substituted-chromanes
12/09/1980CA1091229A1 Production of 4-phenyl-2(1h)-quinazolinones
12/02/1980US4237294 2,2,6,6-Tetramethylpiperidine derivatives
12/02/1980US4237162 Combating arthropods with 2-and 4-substituted-chromanes
12/02/1980CA1090805A1 Propionic acid derivatives and a process for producing the same
12/02/1980CA1090804A1 5,6-dihydro-8,9-dimethoxy-1-methyl-3-(phenylamino) imidazo[5,1-a]isoquinoline compounds
11/1980
11/25/1980US4236006 Preparation of quinazolin-2(1H)-ones
11/25/1980US4235901 1-Hydroxyalkanamine pyrano(3,4-b)indole compositions and use thereof
11/25/1980CA1090346A1 2-substituted-5-alkyl resorcinols
11/25/1980CA1090344A1 3-(tetrazol-5-y1)-1-azaxanthones
11/18/1980US4234589 Fungicides; bactericides
11/18/1980US4234487 Process of making a carbazole acetic acid
11/18/1980CA1089853A1 Fused quinazolinones and preparation thereof
11/12/1980EP0018497A1 Azolyloxy-acetamides, process for their preparation and their use as herbicides
11/11/1980US4233304 Pyridoxine derivatives
11/11/1980US4233220 Epoxide resin curing agents, intermediates to crosslinkable polymers
11/11/1980US4232887 Pressure sensitive and heat sensitive elements for recording
11/04/1980US4231921 Novel light stabilizers
11/04/1980US4231785 Cyanazine when used on sorghum plants, 1-phenylpyrrole-2,3-dicarboxylic acid anhydrides
11/04/1980CA1088945A1 Hydantoin derivatives as therapeutic agents
10/1980
10/29/1980EP0018104A2 Tetrahydroisoquinolines, their production and the compounds and pharmaceutical compositions containing them for use in the prevention or treatment of hypertension
10/28/1980US4230861 Dopamine antagonists
10/28/1980US4230718 Cataract prevention in diabetic animals; chemical intermediates
10/28/1980CA1088542A1 5-mercaptopyridoxine alkanesulfonates
10/28/1980CA1088529A1 1,3-dihydro-3-phenyl-1'-(2-propynyl)spiro- [isobenzofuran]s
10/21/1980CA1088074A1 Process for the preparation of novel dispirodecanes and their compositions thereof
10/21/1980CA1088073A1 Hydantoin therapeutic agents
10/21/1980CA1088062A1 Pyrrolidine, piperidine and azepidine prostaglandin analogues
10/15/1980EP0017525A1 Derivatives of tetrahydroalstonine, their preparation and their application as medicaments
10/15/1980EP0017379A1 Phenyl or phenoxy substituted spiro-imidazolidinedione derivatives, pharmaceutical compositions thereof and process for their preparation
10/14/1980US4228285 14-Hydroxy-6-oxamorphinans and 14-hydroxy-6-oxaisomorphinans
10/14/1980US4228280 Pyrano[4,3-e]-as-triazines and corresponding 4-oxides
10/14/1980US4228078 Polycyclic chlorinated hydrocarbons containing bridgehead or imino nitrogen
10/07/1980US4226860 Hypotensive agents, oxidation, diuretics
10/07/1980CA1087195A1 Benzimidazole derivatives
10/07/1980CA1087188A1 1-azaxanthone-3-carboxylic acids
10/01/1980EP0016261A1 Spiro(dibenz(b,f)oxepin-piperidines) and methods of preparing same
09/1980
09/30/1980US4225494 Antibiotic c-15003, fungicide, antiprotozoa
09/30/1980CA1086742A1 Preparation of 1-substituted-4-aroyl-4-hydroxy and -4- acyloxypiperidines
09/30/1980CA1086727A1 Benzimidazole derivatives
09/30/1980CA1086726A1 Phenylethylamines
09/23/1980CA1086322A1 6,7 dialkoxy-2,2-dialkyl-3-chromene compounds
09/17/1980EP0015683A1 Herbicidal sulfonamides, and preparation and use thereof
09/16/1980US4223151 Process for preparing polycyclic heterocycles having a pyran ring
09/16/1980CA1085838A1 Aryl-alkylamines
09/09/1980US4221795 Pyridine derivative, its preparation and use
09/03/1980EP0015083A1 Pyromellitic diimide complexes, their preparation, compositions containing them and their use in improving the feed efficiency of ruminants
09/02/1980US4220767 Histamine antagonists
09/02/1980US4220763 Cyclopenta[o]pyrrole derivatives
09/02/1980US4220356 Recording materials containing chromenoindoles
09/02/1980CA1084841A1 Antiglaucoma agents
08/1980
08/26/1980CA1084493A1 1,3-dihydro-heteroarylspiro isobenzofuran s
08/12/1980US4217351 Benzopyrano quinuclidines useful as antiglaucoma agents
08/12/1980CA1083576A1 Chromenoindole compounds
08/06/1980EP0014079A1 Spiro-quinolylhydantoins, process for their preparation and pharmaceutical compositions thereof
08/06/1980EP0013787A1 Octahydro pyrazolo (3,4-g)quinolines, process for their preparation and pharmaceutical compositions containing them
08/05/1980US4216326 Intermediates for preparing anti-inflammatory phenyl-lower-alkylamines
08/05/1980US4216324 1-Difluoromethyl-6,7-methylenedioxy-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid
08/05/1980US4216320 Quinoxaline bleach catalysts
08/05/1980US4216167 1,3 Diaminopropane derivatives
08/05/1980CA1083147A1 Pyrimidoquinoxaline derivatives, process for producing the same, and medicine comprising the same for allergic asthma
07/1980
07/29/1980US4215123 For treatment of peptic ulcers
07/29/1980CA1082708A1 3- (diphenylamino) phthalides
07/22/1980CA1082195A1 Metal complexes with sterically hindered amines and singly charged anions
07/15/1980US4212976 Antiarthritic agents
07/15/1980US4212974 Polymer stabilizers
07/08/1980US4211872 Substituted furopyridinones and furopyrazinones
07/01/1980US4210758 Antiallergens
07/01/1980US4210756 Tetrahydroquinoline hydantoins for chronic diabetic complications
07/01/1980US4210649 Process for the treatment of patients suffering from drepanocytosis
07/01/1980US4210591 Pressure sensitive or heat sensitive recording materials
07/01/1980US4210588 Silicon-modified imidyl-phthalic acid derivatives
06/1980
06/24/1980US4209630 Hydantoin derivatives as therapeutic agents
06/24/1980US4209620 Asthma and rhinitis
06/11/1980EP0012079A1 Spiropyrane derivatives of piperidine or thiazine cycles, process for their preparation and their use in photochromic compositions
06/10/1980CA1079213A1 Antibiotic and processes for its manufacture
06/03/1980US4206117 Pyridinyl aminoalkyl ethers
06/03/1980CA1078846A1 Derivatives of 2-iminothiazolidines and thiazolines
05/1980
05/28/1980EP0011483A1 Azocine compounds suitable as analgesics, and process for their production
05/28/1980EP0011373A1 5-Oxo-5H-hexahydrofuro(3,2-b)pyrrole derivatives, their preparation, intermediates, and pharmaceutical compositions containing said derivatives
05/28/1980EP0011255A1 1,2,3,4-Tetrahydro-6-oxo-2,8a-methano-6H-dibenz(c,e)-azocines, medicaments containing them, and process for their preparation
05/27/1980US4205170 Propionic acid derivatives
05/27/1980CA1078385A1 1,4-ethano-6-oxo-octahydro-quinoline and 6-oxa-1-aza tricyclododecan-5-one compounds
05/20/1980US4203996 Synthetic cephalotaxine esters having antileukemic P388 activity
05/20/1980US4203895 Multistage from 2-methyl-2h-1-benzopyran
05/20/1980CA1077939A1 Antibacterials: 1-difluoromethyl-6,7-methylenedioxy-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid and its esters
05/14/1980EP0010759A2 Pyrimido (6,1-a) isoquinolin-4-ones, process for their preparation and their application in medicaments; intermediates and their preparation