Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › C07D 311 - Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
Patents for C07D 311 - Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings (24,127)
03/1982
03/30/1982US4322360 Process for producing imidazolidone intermediates of biotin
03/30/1982US4322346 5H-2,3-Benzodiazepine derivatives
03/23/1982US4321370 2,5-Inter-o-phenylene-3,4-dinor-6,9α-epoxy-6β-PGF1 compounds
03/23/1982US4321270 Substituted chromans
03/23/1982US4321205 15-Epi-prostacyclin and analogous prostacyclins
03/23/1982CA1120486A2 Intermediate for the preparation of (1r, cis)- caronaldehydic acid
03/17/1982EP0047323A1 1,4-naphthoquinone derivatives and use thereof
03/16/1982US4320141 Antitumor agent
03/16/1982US4320133 Penicillins and their antibacterial use
03/16/1982US4320128 Hypotensive agents
03/09/1982US4318846 Novel ether substituted fluorescein polyamino acid compounds as fluorescers and quenchers
03/03/1982EP0046652A1 Chromanol derivatives, their production and pharmaceutical compositions containing them
03/02/1982US4317774 6-[D-α-(Coumarin-3-carboxamido)arylacetamido]-penicillanic acids or salts
03/02/1982CA1119180A1 Derivatives of trans-3-hydroxy-4-amino-chromans
02/1982
02/23/1982US4316950 Novel xanthene compounds and photographic products and processes employing the same
02/23/1982US4316899 Chromanone derivatives, a process for their preparation and compositions containing them
02/23/1982US4316737 Preemergence herbicides
02/17/1982EP0045837A1 Reactive derivatives of 3-oxa-bicyclo(4.3.0)-non-1-ene-9-one, process for their preparation and their use
02/16/1982US4315951 Flavoring with indane alkanols and tricyclic isochromans
02/16/1982US4315862 Process for preparing cannabichromene
02/16/1982CA1118431A1 Process for the preparation of cis(.sup. -)-3,4- dihydro-n,n,2-trimethyl-2h-1-benzopyran-3-amine and intermediates produced thereby
02/09/1982US4315006 Benzoxocin derivatives having anxiolytic and anti-convulsant activities
02/09/1982US4314915 Uses in perfumery of ether derivatives of indanes
02/09/1982CA1117957A1 6-carboxy-flavone derivatives and process for their preparation
02/04/1982WO1982000292A1 2,9dioxatricyclo 4,3,1,03,7 decane derivatives
02/02/1982US4313930 Stable valepotriate compounds and process for their preparation
02/02/1982US4313880 Extractive process for preparing apigenin
02/02/1982CA1117540A1 Process for preparing 4-oxo-benzopyran derivates
01/1982
01/26/1982US4312883 Furocoumarin for the photochemotherapy of psoriasis and related skin diseases
01/26/1982US4312868 Isothiochromans
01/26/1982US4312810 Prostaglandins
01/20/1982EP0043967A1 2,9-Dioxatricyclo(4,3,1,0(3,7))decanes
01/19/1982CA1116516A1 Medicament composition in soft pellet or granule form
01/13/1982EP0043752A1 Pyranoindole derivative and process for its preparation
01/05/1982US4309354 Chromone derivatives
01/05/1982US4309353 Benzopyrane derivatives
01/05/1982CA1115721A1 Pyranochromone derivatives and therapeutic composition comprising same for treatment of allergic diseases
12/1981
12/29/1981US4308412 Indane alkanols and tricyclic isochromans and organoleptic uses thereof
12/29/1981US4308210 Nanaomycin B and therapeutic compositions containing same
12/29/1981CA1115284A1 Derivatives of 3,3,7,8-tetramethyl-2-oxabicyclo-¬4, 4,0|-decane and their use in perfumery
12/29/1981CA1115273A1 Substituted 2-cyclopropyl-chromones and process for their preparation
12/23/1981EP0042299A1 Benzopyrans, their production and pharmaceutical compositions containing them
12/22/1981US4307108 Diabetes
12/22/1981US4307020 Process of preparing 3-carboxymethyl-2-carboxy-chromones
12/22/1981US4307017 Light screening dyes in photographic products
12/22/1981CA1114828A1 Tetrahydrocannabinol type compounds
12/15/1981US4305955 Oral hypoglycemic agents, chroman-4-carboxylic acid or thiochroman-4-carboxylic acid
12/15/1981US4305877 Aldose reductase enzyme inhibitor for treatment of chronic diabetic complications
12/15/1981US4305876 Process for the manufacture of tertiary, optically active aliphatic compounds
12/08/1981US4304860 Indanone derivatives
12/08/1981US4304855 Allylic methyl-hydroxylated novobiocins
12/08/1981US4304834 Light-screening dyes; color films; silver halide emulsions
12/08/1981US4304720 Fluorescent dyes
12/08/1981CA1113948A1 Selective process for the preparation of 7-hydroxycoumarin derivatives
12/08/1981CA1113925A1 D-homo oxasteroids
12/08/1981CA1113862A1 Mixtures of 1,3-bis(2-carboxy-chromon-5-yloxy) propan- 2-ol or a salt thereof with an antihistamine having h.sub.1 receptor antagonist properties
12/02/1981EP0007341B1 Octahydro-10,10-dimethyl-6,8b-ethano-8bh-cyclopenta (de)(2)benzopyran-1,4-dione and its preparation
12/01/1981US4303656 Aminomethyl chromans
11/1981
11/25/1981EP0040353A1 Process for the preparation of lineatine
11/25/1981EP0040338A2 Process for the preparation of acylated indanes and tetrahydronaphthalenes
11/24/1981US4302438 Antigen, antiserum and immunoassay for theophylline
11/18/1981EP0039913A1 Tetrazolylcoumarin derivatives, process for preparing the same and composition containing the same
11/18/1981EP0039844A2 Process for the preparation of O-substituted derivatives of (+)-cyanidan-3-ols
11/18/1981EP0039830A1 Process for the preparation of optically active compounds and their use in the preparation of vitamin E
11/17/1981US4301243 Photographic recording material
11/17/1981US4301078 Trans-4,5,13,14-tetradehydro-PGI1 compounds
11/17/1981US4301076 Isochroman musk compounds and organoleptic uses thereof
11/17/1981CA1112644A1 Dioxopyranoquinoline dicarboxylic acid derivatives
11/10/1981US4299963 1-Azaxanthone derivatives
11/10/1981US4299959 N-substituted iminocoumarins
11/10/1981US4299772 Insecticides
10/1981
10/28/1981EP0038427A1 3-Carbamoyl-4-hydroxy-cumarines, process for their preparation and their use as pesticides
10/27/1981CA1111425A1 9-amino-dibenzopyrans
10/21/1981EP0037979A2 N-(Hydroxyalkyl)-7-hydroxycoumarin-3-carboxamides
10/20/1981US4296253 2,5-Inter-o-phenylene-3,4-dinor-PGF2 amides
10/20/1981US4296039 Selected process for producing monohalogenated derivatives of 7-hydroxy-coumarin
10/20/1981US4296038 Preparation of (-)-dihydrochrysanthemolactone
10/20/1981US4296036 Selective method for the preparation of insect pheromone
10/20/1981US4295978 Use of isochroman musk compounds in augmenting or enhancing the aroma of dryer-added fabric softener articles
10/14/1981EP0037800A2 Use of O-substituted derivatives of (+)-cyanidanol-3 as compounds with immunomodulative properties
10/14/1981EP0037672A2 Process for the preparation of chiral hydantoins, and a novel hydantoin produced by said process and a pharmaceutical composition containing it
10/13/1981US4294923 Amino acid derivative of 7-amino-4-trifluoromethyl coumarin hydrolyzed to free chromophore
10/06/1981CA1110256A1 Preparation of (1r,cis)-caronaldehydic acid
10/06/1981CA1110240A2 Dibenzo b,d, pyranones useful as intermediates in the production of pharmaceuticals
09/1981
09/29/1981US4292459 Coupling reaction involving a Grignard and allylic halide
09/29/1981US4292193 Isochroman musk compounds and organoleptic uses thereof
09/23/1981EP0036169A1 Chroman derivatives, method for their preparation, their use as stabilizing agents in organic materials, and organic materials containing these stabilizing agents
09/23/1981EP0036160A1 Process for the preparation of 2-hydroxyalkyl chromanes
09/22/1981US4290957 Flavonone precursors for alpha amino acid dihydrochalcones
09/22/1981US4290955 Light-screening dyes for use in photography
09/22/1981US4290954 Antiallergens, antianaphylactic agents, analgesics, antiinflammatory agents
09/17/1981WO1981002574A1 1,4-naphthoquinone derivatives,process for their preparation,and use thereof
09/16/1981EP0035868A1 Bicyclic compounds, their production and use
09/15/1981US4289893 2,5-Inter-O-phenylene-3,4-dinor-PGF2 compounds
09/15/1981US4289888 Prostaglandins having prostacyclin-like pharmacological effects
09/15/1981US4289878 Prostaglandins
09/15/1981US4289877 2-Decarboxy-2-tetrazolyl-9-deoxy-5,9α-epoxy-4,5-cis-17,18-tetradehydro-PGF1 compounds
09/09/1981EP0035218A1 Perylene-3,4,9,10-tetracarboxylic-acid-monoanhydride-monoalkali salts, process for their preparation and their use
09/08/1981USRE30739 Anorexic chromans
09/08/1981US4288450 Antiallergens
1 ... 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242