Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › C07D 307 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
Patents for C07D 307 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom (47,108)
04/1991
04/24/1991EP0423127A1 Novel photoactive compounds, processes for their production and intermediates therefor
04/23/1991US5010189 Processes for the preparation of 5-amino-4-hydroxy-valeric acid derivatives
04/23/1991US5010102 Anti-ulcer 5-(2-substituted ethenyl)-3(2H)-furanones
04/23/1991US5010100 Certain 2,5-diaryl tetrahydrofurans and analogs thereof as PAF antagonists
04/23/1991US5010065 Cyclodextrin clathrates of 5-cyanoprostacyclin derivatives and their use as pharmaceutical agents
04/21/1991CA2013562A1 Crystalline 2-0- -d-glucopyranosyl-l-ascorbic acid, and its preparation and uses
04/20/1991WO1991005766A1 2-substituted 2-cyclopentenone and carcinostatic agent and osteogenesis promoter containing the same as active ingredient
04/20/1991CA2044179A1 2-substituted-2-cyclopentenone compound and anticancer agent and bone formation accelerator comprising same as active ingredient
04/18/1991WO1991004959A1 Process for preparing polymeric dispersants having alternating polyalkylene aud succinic groups
04/18/1991WO1991004738A1 Dibenzofurancarboxamides
04/17/1991EP0423099A1 Synthesis of nojirimycin derivatives
04/17/1991EP0422900A2 Organic nonlinear optical material and nonlinear optical element
04/17/1991EP0422329A1 Substituted dibenzofurans and methods of using same
04/17/1991EP0422079A1 Tricyclic lipoxygenase inhibiting compounds, compositions, methods of use
04/17/1991CN1050714A Amine derivatives
04/16/1991US5008410 Method for producing furfuryl alcohols
04/16/1991US5008408 Heating 4-hydroxy butyraldehyde, catalytic hydrogenation of resulting acetal intermediate
04/16/1991US5008405 Selective etherification
04/16/1991US5008290 Sulphonamidoethyl compounds and pharmaceutical compositions comprising these compounds
04/16/1991US5008286 Certain substituted naphthofurans with anti-tumor properties
04/16/1991US5008256 Gastrointestinal disorders
04/16/1991US5008235 Catalysts of Cu-Al-third metal for hydrogenation
04/16/1991US5008191 Pesticides, insecticides, anthelmintics, antibiotics
04/16/1991CA1283110C Herbicidal 2-(substituted-phenyl)-3-amino-2- cyclopentenone derivatives
04/13/1991CA2027407A1 Synthesis of nojirimycin derivatives
04/12/1991CA2027125A1 Renin inhibitors
04/11/1991DE3932534A1 1-Benzoyl-3-(4-cyano:benzyl) urea derivs. - for use as insecticides
04/10/1991EP0421123A1 Pretreatment process for electroless plating of polyimides
04/10/1991EP0421102A2 Substituted acrylic acid esters
04/10/1991EP0421046A1 Process for producing highly pure 3,3',4,4' - biphenyltetra- carboxylic acid or dianhydride thereof
04/10/1991EP0420871A1 Method and compositions for treatment of parkinsonism syndrome in mammals
04/10/1991EP0387346A4 Novel polymeric dispersants having alternating polyalkylene and succinic groups
04/09/1991US5006570 Dihydrobenzofuran- and chroman-carboxamide derivatives, processes for the preparation thereof and use thereof as neuroleptics
04/09/1991US5006549 Antiinflammatory agents
04/09/1991US5006548 Hyaluronidase inhibitors, antiallergens, immunomodulators
04/09/1991US5006545 Veterinary compositions against endoparasites containing cypermethrin and albendazole
04/09/1991US5006539 Thromborane inhibitor
04/09/1991US5006530 Certain 7-[2,6-diisopropyl-4-phenyl-5-lower alkoxymethyl-pyrid-3-yl]-3,5-dihydroxy-6-enoates and derivatives useful for treating circulatory diseases
04/09/1991CA1282787C Synthesis of aryloxypropanolamines and arylethanolamines
04/08/1991CA2026829A1 Carboxamides, their preparation and their use as herbicides
04/07/1991WO1991004965A1 Amine derivatives
04/04/1991WO1991004246A1 Method for preparing amino acid derivatives and therapeutical applications of same
04/04/1991WO1991004027A1 New n-aryl and n-heteroarylamide and urea derivatives as inhibitors of acyl coenzyme a: cholesterol acyl transferase (acat)
04/03/1991EP0420571A2 6-and/or 7-substituted -1,2,3,4,4A,9B-hexahydro-8-hydroxydibenzofuran-3-ols as inhibitors of leukotriene biosynthesis
04/03/1991EP0420570A2 Trans 2,3-disubstituted-2,3-dihydro-5-hydroxy-benzofurans as inhibitors of leukotriene biosynthesis
04/03/1991EP0380588A4 Certain 3-substituted 2-alkyl benzofuran derivatives
04/03/1991EP0365665A4 Lignocellulose degradation
04/03/1991CN1050384A Substituted dibenzofurans and methods of using same
04/02/1991US5004822 Insecticides
04/02/1991US5004816 Aminopyrrole intermediates for fungicides
04/02/1991US5004813 Chromogenic phthalides and azaphthalides
04/02/1991US5004797 Partly fluorinated carboxylic acids and derivatives thereof, processes for their preparation and their use
04/02/1991US5004751 Hydantoin derivatives
04/02/1991US5004750 Benzofuran and benzothoiphene derivatives, of tetrazole and anti-hyperuricemia use thereof
04/02/1991CA1282416C Aromatic compounds having sulfonyl groups and processes for the production of the same
03/1991
03/28/1991CA2026273A1 Benzanilides
03/27/1991EP0419327A1 Amino acid derivatives, method for their preparation and their therapeutic application
03/27/1991EP0418925A2 Method of producing (S)-4-hydroxymethyl-gamma-lactone
03/27/1991EP0418655A2 Conjugated gamma-hydroxybutenolide compounds and antiulcer agents containing the same as an effective ingredient
03/27/1991CN1050183A New n-aryl and n-heteroarylamide and urea derivatives as inhibitors of acyl coenzyme a: cholestrol acyl transferase
03/27/1991CN1012173B The synthetizing of "ambergis ether-m" perfume
03/26/1991US5003087 Preparing a 1-hydroxy-2,3-dialkylcarbonyloxy-4-(3,4-alkoxy phenyl)naphthalene or a lactone by oxidizing the corresponding a 1-ketone-tetralin derivative
03/26/1991US5002966 Adrenergic Stimulants
03/26/1991US5002946 Gastrointestinal diseases associated with smooth muscle contractions
03/26/1991US5002605 Alkylidine aminooxyamide compounds useful in controlling undesirable vegetation
03/26/1991CA2025479A1 6-and/or 7-substituted-1,2,3,4,4a 9b-hexahydro-8-hydroxydibenzofuran-3-ols as inhibitors of leukotriene biosynthesis
03/26/1991CA2025478A1 Trans 2,3-disubstituted-2,3-dihydro-5-hydroxybenzofurans as inhibitors of leukotriene biosynthesis
03/26/1991CA1282070C Biologically active amide derivatives
03/26/1991CA1282060C Tetrahydro-3,4-furandiamine-n,n'-platinum complexes
03/24/1991CA2025983A1 5h-furan-2-one derivatives
03/21/1991WO1991003512A1 Cytoprotective fatty moiety compounds
03/21/1991WO1991003471A1 Ascorbic acid derivatives
03/20/1991EP0418190A2 Use of 1-oxaspiro[4.4]nonan-2-on as a perfuming agent
03/20/1991EP0418071A2 New N-aryl and N-heteroarylamide and urea derivatives as inhibitors of acyl coenzyme A: cholesterol acyl transferase
03/20/1991EP0417867A1 Catalysts for the catalysed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters
03/20/1991EP0417691A2 Process for the preparation of halophthalic anhydrides
03/20/1991EP0417445A1 Single pot process for making a fluoroanthranilic acid
03/19/1991US5001160 1-aryl-1-hydroxy-1-substituted-3-(4-substituted-1-piperazinyl)-2-propanones and their use in treatment of neurogenic bladder disorders
03/19/1991US5001126 Anti-ulcer 5-(2-substituted ethenyl)-3(2H)-furanones
03/19/1991CA1281740C Resin treatment of hexitol esters
03/16/1991CA2023936A1 Diol sulfonamide and sulfinyl renin inhibitors
03/13/1991EP0417060A2 Bicyclic tetrahydroxypyrrolizidine
03/13/1991EP0416609A2 Benzo[b]thiophene-containing lipoxygenase-inhibiting compounds
03/13/1991EP0416581A1 Substituted N-benzylpiperidine amides
03/13/1991EP0415981A1 Retroviral protease inhibitors
03/13/1991CN1049770A Herbicidal glutarmic acids and deriatives
03/12/1991WO1991003464A1 Herbicidal oxabicyclo ethers
03/12/1991US4999435 Cationic Surfactants, Drugs, Immunoassay
03/12/1991US4999429 Desulfonation of corresponding aryl sulfone compound
03/12/1991US4999369 Tetracyclic heterocyclic derivatives, pharmaceutical compositions and use
03/12/1991US4999361 Cardiovascular disorders, blood vessel relaxants
03/12/1991US4999350 (RS)-2-(2,3-dihydro-5-hydroxy-4,6,7-trimethylbenzofuranyl) acetic acids and 2-(2,3-dihydro-5-acyloxy-4,6,7-trimethylbenzofuranyl) acetic acids and esters thereof, useful as mucoregulator and anti-ischemic drugs
03/12/1991US4999042 Phenyl oximino-acetate fungicides
03/12/1991CA2065337A1 Herbicidal oxabicyclo ethers
03/12/1991CA2023724A1 Process for the preparation of halophthalic anhydrides
03/12/1991CA1281329C Lipoxygenase inhibitors
03/12/1991CA1281325C Benzofuran derivatives
03/12/1991CA1281302C Production of lactones
03/09/1991CA2024841A1 Bicyclic tetrahydroxypyrrolizidine
03/07/1991WO1991002729A1 Process for the production of trimellitic anhydride with improved color
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