| 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) |
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| 09/02/1981 | EP0034586A1 4-trifluoromethylcoumarin peptide derivatives and their use in proteinase assays. |
| 09/01/1981 | US4287126 (2-Oxo-2H-1-benzopyran-3-yl)aminooxoacetic acids and their derivatives |
| 09/01/1981 | CA1108151A1 3-(1h-tetrazol-5-yl) chromones |
| 08/31/1981 | EP0027796A4 Chroman and chromanon-4 derivatives, process for their preparation, antioxidant compositions containing same and their use for stabilizing edible fats and oils. |
| 08/25/1981 | US4286098 Hypoglycemic agents, treatment of diabetes complications |
| 08/25/1981 | US4285966 Certain 15-epi-prostacyclins |
| 08/25/1981 | US4285965 Combating pests with 2-carboxymethyl-3-carboxy-chromones and esters |
| 08/25/1981 | US4285964 Salts of (+)-catechine, their preparation and use, and compositions containing these salts |
| 08/25/1981 | US4285941 Antibiotics |
| 08/25/1981 | US4285940 Cephalosporin derivatives, and antibacterial drugs comprising said derivatives |
| 08/25/1981 | US4285939 Antibiotics |
| 08/18/1981 | US4284788 Imidazolidone intermediates of biotin |
| 08/18/1981 | US4284756 Polyester compositions, shaped articles obtained from them and processes for preparing them |
| 08/18/1981 | CA1107291A1 Substituted 2-vinyl-chromones and process for their preparation |
| 08/18/1981 | CA1107290A1 Oxygenated heterocycles and process for preparation thereof |
| 08/18/1981 | CA1107278A1 Process for preparing anthocyans from corresponding flavonoid glycosides |
| 08/12/1981 | EP0033614A1 Phenylalkanoic acid derivatives, processes for the preparation thereof and pharmaceutical compositions containing them |
| 08/12/1981 | EP0033613A1 Chromanol derivatives, a process for their preparation and compositions containing them |
| 08/12/1981 | EP0033612A1 Pyrano derivatives, a process for their preparation and antihypertensive compositions containing them |
| 08/11/1981 | CA1106851A1 N.sup.2-substituted-l-arginine derivatives and the pharmaceutically acceptable acid addition salts thereof |
| 08/04/1981 | US4282247 Antianaphylactic, antiallergenic |
| 08/04/1981 | US4282229 Hydantoin derivatives as therapeutic agents |
| 08/04/1981 | US4281855 Pressure-sensitive or heat-sensitive recording material and novel 2,2-diarylchromeno compounds used therein |
| 07/29/1981 | EP0032670A1 Light collector systems and the use of coumarin derivatives as energy converters in such systems |
| 07/29/1981 | EP0032613A2 Halo-alkyl substituted halogenated polynuclear ketone photoinitiators, photopolymerizable compositions containing them and method of producing polymeric compositions therefrom |
| 07/28/1981 | US4281113 Useful as chemical intermediates in the formation of the prostacyclin analogs, which are antithrombotic agents |
| 07/28/1981 | US4281008 Antagonists of the slow-release substance of anaphylaxis |
| 07/28/1981 | CA1105933A1 O-propyloximes |
| 07/28/1981 | CA1105861A1 Antineoplastic agent |
| 07/22/1981 | EP0032432A1 Prostanoid compounds and their preparation and pharmaceutical formulations |
| 07/21/1981 | US4279919 Novel lactones of cyclopentanols |
| 07/21/1981 | US4279910 Hypotensive |
| 07/21/1981 | US4279824 Method and apparatus for processing herbaceous plant materials including the plant cannabis |
| 07/21/1981 | US4279823 Thallation carbonylation of arenes |
| 07/15/1981 | EP0031885A1 Basic ethers, pharmaceutical compositions containing them and process for their preparation |
| 07/14/1981 | US4278680 Hypoglycaemically and hypolipidaemically active derivatives of phenylacetic acid |
| 07/14/1981 | US4278603 Novel polymorphic crystalline form of dibenzopyranone |
| 07/08/1981 | EP0031698A1 Xanthene dyes and photographic products and processes utilising them |
| 06/30/1981 | CA1104130A1 N-substituted carboxylic acid amides |
| 06/23/1981 | CA1103686A1 Heterocyclic derivative as a medicament active on the central nervous system and method for its preparation |
| 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 | US4273715 Calibrators for fluorescent immunoassays; water solubility |
| 06/16/1981 | US4273714 Tricyclic lactones |
| 06/09/1981 | CA1102807A1 Piperidylidene derivatives of benzo-fused xanthenes, thioxanthenes and dibenzoxepins |
| 06/02/1981 | US4271076 Tricyclic lactones |
| 05/26/1981 | US4269854 6,7,8,9-Tetrahydro-4H-naphtho-[2,3-b]pyran-2-carboxylic acids |
| 05/26/1981 | CA1101875A1 Stereoselective preparation of hexahydro dibenzopyranones and intermediates therefor |
| 05/19/1981 | US4268446 Reacting a hydroquinone, lewis acid or base derivative and a nitrile in the presence of an inert solvent |
| 05/19/1981 | US4268445 Adduct formation followed by acid catalyzed cyclization |
| 05/19/1981 | CA1101421A1 Pyrano¬4,3-e| -as-triazines, their production and tranquilliser/sleep-inducer use |
| 05/19/1981 | CA1101419A1 3-ureidochromone and 3-ureidothiochromone compounds |
| 05/15/1981 | EP0034586A4 4-trifluoromethylcoumarin peptide derivatives and their use in proteinase assays. |
| 05/13/1981 | EP0028449A1 Chromanol derivatives, a process for their preparation and a pharmaceutical composition comprising them |
| 05/12/1981 | US4267377 5-/3-butenyl/-8a or 9a-alkyl-5/6h/indanone or 6/1h, 7h/naphthaleneone being 1-substituted by oxo, hydrogen, hydroxy, or ether; unsaturation |
| 05/12/1981 | US4267344 N-Substituted N-carboxyanhydrides of α-amino acids and their application in the preparation of peptides |
| 05/12/1981 | US4267342 Inhibitors of oxidoreductase enzymes; nervous system disorders and vision defects caused by diabetes |
| 05/12/1981 | US4267332 Antiallergens |
| 05/12/1981 | US4267165 Comestibles sweetened with alpha amino acid dihydrochalcones |
| 05/12/1981 | US4267111 Process for preparing β-(3-exo-hydroxy-endo-2,3-dimethyl-2-norbornyl)-propionic acid .delta. |
| 05/12/1981 | CA1100952A1 Basic amino salts of 2-carboxy or 2-tetrazolo- chromones |
| 05/06/1981 | EP0028064A1 Chromanol derivatives, a process for their preparation and a pharmaceutical composition comprising them |
| 05/06/1981 | EP0027987A2 Composition for treating or preventing psoriasis and delta-tocopherol or ester thereof for use in a topical composition |
| 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 |
| 05/06/1981 | EP0027796A1 Chroman and chromanon-4 derivatives, process for their preparation, antioxidant compositions containing same and their use for stabilizing edible fats and oils. |
| 05/05/1981 | US4265891 Prostanoid compounds and compositions |
| 05/05/1981 | US4265818 Indane alkanols and tricyclic isochromans and organoleptic uses thereof |
| 05/05/1981 | CA1100518A1 Method of preparing furocoumarins |
| 05/05/1981 | CA1100498A1 Selected process for producing monohalogenated derivatives of 7-hydroxy-coumarin |
| 05/05/1981 | CA1100483A1 Isothiourea substituted cephalosporin derivatives |
| 04/29/1981 | EP0027567A1 Tetrahydrocannabinol derivatives, 125I-labeled tetrahydrocannabinol derivatives, immunogens yielding antibodies and radioimmunoassay for detecting cannabinoids |
| 04/29/1981 | EP0027529A1 Cumarin derivatives and their use in dyeing synthetic fibres or plastics |
| 04/28/1981 | US4264720 Color photographic light-sensitive material |
| 04/28/1981 | US4264509 Isoflavones and related compounds, methods of preparing and using and antioxidant compositions containing same |
| 04/28/1981 | US4264508 Tricyclic lactone intermediates for preparing prostaglandins |
| 04/28/1981 | US4264506 Reacting with a strong base, reacting the salt with an alkylaryl compound |
| 04/28/1981 | CA1100136A1 4a-aryl octahydro-1h-2-pyrindines |
| 04/28/1981 | CA1100036A1 Metallic label in binding assay for ligand |
| 04/21/1981 | US4263299 Antihistamines, antiallergens |
| 04/21/1981 | CA1099717A1 Process for the preparation of new chromene derivatives |
| 04/14/1981 | US4262116 Enlarged hetero-ring prostacyclin analogs |
| 04/14/1981 | US4261988 Chromanone derivatives |
| 04/14/1981 | CA1099269A1 Process for the production of 9-hydroxydibenzo ¬b, d| pyrans and intermediates therefor |
| 04/14/1981 | CA1099258A1 Antigen-protein complex for blocking allergic reactions |
| 04/08/1981 | EP0026593A1 Bicyclic keto- and amino- acids, esters and amides and pharmaceutical compositions thereof |
| 04/07/1981 | US4260776 Pyrazolone |
| 04/07/1981 | US4260632 Adrenergic blocking agents, cardiovascular disorders |
| 04/01/1981 | EP0025912A1 2,7-Dialkylfluorescein derivatives and their use in fluorescence immunoassays |
| 03/31/1981 | US4259506 New 3-ureido-(thio)-chromone derivatives |
| 03/31/1981 | US4259481 2-Decarboxy-2-hydroxymethyl-4-halo-5,9-epoxy-9-deoxy-PGF1 compounds |
| 03/31/1981 | US4259480 4 Halo-5,9-epoxy-9-deoxy-PGF1, amides |
| 03/31/1981 | US4259479 2-Decarboxy-2-aminomethyl-4-halo-5,9-epoxy-9-deoxy-PGF1 compounds |
| 03/31/1981 | CA1098519A1 No translation available |
| 03/25/1981 | EP0025600A1 2-Pyridyl chromans and pharmaceutical compositions containing them |
| 03/25/1981 | EP0025599A1 Benzopyran compounds, useful as chemotherapeutic agents |
| 03/25/1981 | EP0025598A1 The use of 2-phenyltetralin derivatives, or heterocyclic analogues, in medicine and pharmaceutical compositions containing them |
| 03/24/1981 | US4258055 Pharmaceutical compositions |
| 03/24/1981 | US4258054 Hydantoin derivatives as therapeutic agents |
| 03/24/1981 | US4257956 Oxabicycloalkane pyrethroid intermediates |
| 03/24/1981 | US4257939 Substrates for determining enzyme activity |
| 03/18/1981 | EP0025161A1 3-Methylene flavanones and 3-methylene chromanones, antimicrobial composition containing same and method of inhibiting the growth of microorganisms |