Patents
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)
12/1991
12/10/1991US5071871 Pharmaceutically useful benzo(β)pyranes and pyranopyridines
12/10/1991US5071853 Amine-substituted hexahydroindeno(2,1-b)pyrroles, -indeno(2,1-c)pyridines or -indeno(2,1-d)azepines; cerebral ischemia or infarction
12/07/1991CA2037188A1 Agent for treating disorders from cerebral neuro-degeneration
12/07/1991CA2037187A1 Cyclopropachromen derivatives
12/05/1991WO1991018597A1 Sigma binding site agents
12/05/1991CA2083500A1 Sigma binding site agents
12/04/1991EP0458965A1 Process for the preparation of vinyl ethers.
12/03/1991US5070212 Intermediates useful for the synthesis of delphinidin chloride
12/03/1991US5070209 12-halogenated forskolin derivatives
12/03/1991US5069898 Hair enrichment composition and method of use
12/03/1991CA1292710C Fluorescent labels
11/1991
11/28/1991WO1991017985A1 Processes for recovering tocotrienols, tocopherols and tocotrienol-like compounds
11/28/1991CA2083512A1 Processes for recovering tocotrienols, tocopherols and tocotrienol-like compounds
11/27/1991EP0458387A1 Isochromane derivatives
11/27/1991EP0458201A2 9,9-Bis(perfluoroalkyl)xanthene 9-aryl-9-perfluoroalkylxanthene, monomers and polymers derived therefrom
11/26/1991US5068339 Enhanced chemiluminescence from 1,2-dioxetanes through energy transfer to tethered fluorescers
11/26/1991CA2042861A1 Isochromane derivatives
11/26/1991CA1292474C Anti-spasmodic agents having a ring in the main chain
11/24/1991CA2042894A1 9,9-bis(perfluoroalkyl)xanthene, 9-aryl-9-perfluoroalkylxanthene, monomers and polymers derived therefrom
11/19/1991US5066818 Photochromic naphthopyran compounds
11/19/1991US5066816 Processes for preparing optically active 3,4-dihydro-3,4-epoxy-2h-1-benzopyran compounds and intermediates therefor
11/19/1991US5066680 Novel substituted-acetamide compound and a process for the preparation thereof
11/19/1991US5066676 Sulfonamido derivative inhibiting the aldose reductase enzyme system and pharmaceutical compositions containing them
11/19/1991US5066426 Fluorescence polarization immunoassay utilizing substituted carboxyfluoresceins
11/13/1991EP0456023A1 Process for preparation of catechol complexes
11/12/1991US5064861 Acylated amine compounds which are useful fungicigal agents
11/12/1991CA1291991C Antioestrogenic phenol derivatives
11/10/1991CA2041934A1 Process for obtaining catechin complexes
11/06/1991EP0455058A2 Reagents and method for detecting polychlorinated biphenyls
11/06/1991EP0454728A1 Fluorinated flavone acetic acid.
11/06/1991EP0192713B1 Xenocoumacins
11/06/1991CN1055931A Herbicidal pyrones
11/05/1991US5063244 Process for the isolation of antifungal agents (5-methoxy-7-hydroxyflavan) from dragon's blood resin and its use in agriculture
11/05/1991US5063149 Fluorescein derivative indicator
11/05/1991CA2041783A1 Reagents and method for detecting polychlornated biphenyls
11/05/1991CA1291761C Certain substituted 4-benzoyl-3,5-dioxotetrahydropyrans and thiopyrans
11/04/1991WO1991017154A1 Aminoalkylcarbamyl derivatives of forskolin as intermediates for the synthesis of useful forskolin derivatives
11/04/1991CA2081902A1 Aminoalkylcarbamyl derivatives of forskolin as intermediates for the synthesis of useful forskolin derivatives
10/1991
10/30/1991EP0454587A1 Heterocyclic derivatives: 2-styryl-4H-1-benzopyran-4-ons, process for their preparation and pharmaceutical compositions containing them
10/30/1991EP0454185A2 Utilisation of fluoron derivatives as contrast agents for malignant tissues when diagnosed
10/30/1991EP0453837A2 Substituted pyridazinones, process for their preparation and their use as parasiticide
10/29/1991US5061813 Substituted cyanoimino benzopyranes
10/29/1991US5061695 Aromatic antibiotic
10/28/1991CA2041163A1 Heterocyclic derivatives : 2-styryl-4h-1-benzopyran-4-ones; process for preparing the same and pharmaceutical compositions containing them
10/23/1991EP0452406A1 Substituted semicarbazone arthropodicides
10/22/1991US5059609 Lipoxygenase inhibitors; leukotriene receptor blockers; psoriasis; antiulcer agents and myocardial infarctions
10/22/1991CA1291139C Cyclohexane-1,3-dione derivatives, processes for their manufacture, and their use for controlling undesirable plant growth
10/21/1991WO1991016298A1 Antiinflammatory hydroxamic acids and n-hydroxyureas
10/21/1991CA2078216A1 Antiinflammatory hydroxamic acids and n-hydroxyureas
10/16/1991EP0452204A1 3-Aminochromane derivatives, procedure for their preparation and pharmaceutical compositions containing them
10/16/1991EP0451753A1 In the ethylenic moiety substituted phenylalkylethylenediamine-platinum (II or IV) derivatives and phenylalkyl-ethylenediamines
10/16/1991EP0191867B1 Tryciclic or tetracyclic compounds, process for their preparation, and medicinal composition containing them
10/15/1991US5057514 Compounds effective as cerebral schemia treating agents
10/15/1991CA1290758C 2-amino-5-oxo-5h-¬1|benzopyrano¬2,3-b|pyridine-3- carboxylic acid derivatives and their production
10/11/1991CA2040123A1 Ethylene-substituted phenylalkylethylenediamine-platinum (ii or iv) derivatives and phenylalkylethylenediamines
10/10/1991CA2039937A1 3-aminochroman derivatives, their preparation process and pharmaceutical compositions containing them
10/09/1991EP0450689A1 New isochromane derivatives
10/09/1991EP0450588A1 Substituted 3-thia- or 3-oxa-alkyl flavones, process for their preparation, their application and drugs based on these compounds as well as intermediates
10/09/1991EP0450415A1 Substituted cyanoimino benzopyranes
10/08/1991US5055598 Benzopyran derivatives
10/08/1991US5055582 Process for preparing thromboxane A2 antagonists
10/08/1991US5055561 Protein label and drug delivery system
10/08/1991US5055471 Fungicides
10/08/1991CA1290326C Acrylic acid amides
10/07/1991WO1991015483A1 An improved process for the preparation of substituted isoflavone derivatives
10/06/1991WO1991015491A1 Heterocyclic compounds as aldose reductase inhibitors
10/06/1991CA2078210A1 Heterocyclic compounds as aldose reductase inhibitors
10/03/1991WO1991014429A1 Pharmaceutical compositions containing ipriflavone, process for the preparation thereof and relative therapeutic use
10/03/1991CA2039009A1 Isochromane derivatives
10/03/1991CA2037876A1 Substituted cyanoimino benzopyranes
10/01/1991US5053523 Ethynyl-chroman compounds
10/01/1991US5053427 Guanidino-substituted benzopyrans and their use as pharmaceuticals
09/1991
09/25/1991EP0448392A2 Xanthomegnin, a known compound, is an antiparasitic agent
09/25/1991EP0448254A2 Process and intermediates for 2R-benzyl-chroman-6-carbaldehyde
09/25/1991EP0447962A1 Labdanes and process for their preparation
09/24/1991WO1991014500A1 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/24/1991US5051520 9,9-bis(perfluroralkyl)xanthene, 9-aryl-9-perfluroralkylxanthene
09/24/1991US5051519 Novel antiviral and antitumor terpene hydroquinones and methods of use
09/24/1991US5051369 Formation of fluorescein or rhodamine derivatives of amino compounds to form phenylthiocarbamyl aminoacids and detection by fluorescence
09/24/1991US5051132 Cardiovascular disorders for heart failure
09/24/1991CA2078881A1 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/22/1991CA2038496A1 Xanthomegnin, a known compound, is an antiparasitic agent
09/18/1991CN1054598A N-(4-piperidinyl) (dihydrobenzofuran or dihydro-2h-benzopyran) carboxamide derivatives
09/18/1991CA2038405A1 Labdanes and process for their preparation
09/17/1991US5049673 Fluorescent indicator dyes for calcium working at long wavelengths
09/11/1991EP0445862A2 N-(4-piperidinyl)(dihydrobenzofuran or dihydro-2H-benzopyran)carboxamide derivatives
09/11/1991EP0445827A2 4-Hydroxytetrahydropyran-2-one derivatives useful as cholesterol and lipid reducing agents
09/11/1991EP0445735A1 Melanogenesis-inhibiting endermic preparation
09/10/1991US5047559 Novel fluorinated laser dyes
09/10/1991US5047552 Process for preparing benzopyran derivatives
09/10/1991US5047380 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/10/1991CA2037390A1 Melanogenesis-inhibiting endermic preparation
09/05/1991WO1991013122A1 Substituted xanthene compounds
09/05/1991WO1991012797A1 Tri- and tetra-substituted guanidines and their use as excitatory amino acid antagonists
09/03/1991CA1288426C Process for producing 13-substituted milbemycin derivatives
09/03/1991CA1288424C Inclusion complex of 7-isopropoxy-isoflavon formed with cyclodextrin, the preparation thereof and pharmaceutical compositions containing these compounds as active ingredient
08/1991
08/28/1991EP0408749A4 Derivatives of 3,18-dihydroxy-9,13-epoxylabdane, method of obtaining them and a hemostatic pharmaceutical preparation based thereon
08/28/1991CN1054066A Improvements in and relating to leukotriene antagonists
08/28/1991CN1054064A Heterocyclic compounds
08/27/1991US5043460 Discoloration inhibition; color photography