Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › C07D 498 - Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
Patents for C07D 498 - Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms (21,960)
12/1991
12/13/1991WO1991019497A1 Inhibition of 5-lipoxygenase and cyclooxygenase pathway mediated diseases
12/13/1991CA2084290A1 Inhibition of 5-lipoxygenase and cyclooxygenase pathway mediated diseases
12/11/1991EP0460483A1 Large scale, non-chromatographic purification of chromogenic cryptahemispherands (1.1) and (2.1)
12/11/1991EP0460448A2 Use of C63-amide derivatives of 34-de(acetylglucosaminyl)-34-deoxy-teicoplanin against bacteria resistant to glycopeptide antibiotics
12/10/1991US5071990 Preparation of intermediates and the synthesis of n-(2-hydroxyethyl)-2-hydroxymethyl-3,4,5-trihydroxypiperidines
12/10/1991US5071984 Dc-52 derivatives
12/10/1991US5071952 Copolymerizing trioxane and 5-iodo-6-urea-1,3-dioxepane to produce an acetal resin
12/10/1991US5071850 Cardiovascular disorders
12/10/1991CA1292992C Spiro-heteroazolones for treatment of diabetes complications
12/10/1991CA1292989C Hetero [f] fused carbocyclic pyridines as dopaminergic agents
12/05/1991CA2037281A1 Large scale, non-chromatographic purification of chromogenic cryptahemispherands (1.1) and (2.1)
12/04/1991EP0459890A1 Composition for use in preventing loss of hair and for inducing and stimulating its growth, containing derivatives of 2-alkyl-4-amino(or -2,4-dialkyl)-pyrimidin-3-oxide and the new derivatives of 2-alkyl-4-amino-pyrimidin-3-oxide
12/03/1991US5070100 Complications of diabetes
12/03/1991CA1292742C Octahydro-oxazolo (4,5-g)quinolines
12/01/1991CA2043573A1 Compounds for use in slowing hair loss and for inducing and stimulating hair growth containing derivatives of alkyl-2-amino-4-(or dialkyl-2,4) pyrimidine-oxyde-3 and new compoundsderived from alkyl-2-amino-4-pyrimidine-oxyde-3
11/1991
11/28/1991DE4016418A1 Colour coupling cpd. - comprises imidazo-(1,5-2)-heterocyclic cpd., used for photographic colour development
11/27/1991EP0458402A1 Hemispherand ionophores having increased lipophilicity
11/27/1991EP0458331A1 Pyrido[3,4-b]pyrrolo[1,2-e][1,4,5]oxadiazepines and related analogs, a process for their preparation and their use as medicaments
11/26/1991US5068341 Intermediates for biotin production
11/26/1991US5068323 Thermally re-arranged FK-506 derivatives having immunosuppressant activity
11/22/1991CA2026587A1 Hemispherand inophores providing increased assay precision
11/20/1991CN1014790B Process for preparing novel benzoxazol-and benzothiazolamine derivatives and their use
11/20/1991CN1014789B Process for preparing replacable bridged heavy nitrogen bicycloalkyl carbostyril carboxylic acid
11/19/1991US5066803 Chemical intermediates for analgesics
11/14/1991WO1991017439A1 Receptor assay for fk-506
11/14/1991WO1991013890A3 Diastereoisomeric compounds derived from tetrahydrofolic acid, process for their preparation and use in the synthesis of diastereoisomers 6s and 6r of reduced folates
11/14/1991DE4114536A1 New fullerene and heterofullerene cpds. - contain spheres and used e.g. for storage medium or catalyst
11/13/1991CN1056103A Tricyclic compounds, their preparation and pharmaceutical composition containing them
11/12/1991US5064955 Solvent extraction, filtration, sodium-free
11/12/1991US5064835 Hydroxymacrolide derivatives having immunosuppressive activity
11/12/1991US5064825 Angiotensin ii antagonists
11/12/1991US5064447 Process for recovering organic vapors from air
11/06/1991EP0455427A1 Deoxymacrolide derivatives having immunosuppressive activity
11/06/1991EP0321563B1 Spirooxazine compounds, photosensitive materials using them, and process for forming them
10/1991
10/31/1991WO1991016327A1 Antimicrobial quinolonyl lactams
10/31/1991WO1991016310A1 Antimicrobial quinolone thioureas
10/31/1991CA2078444A1 Antimicrobial quinolonyl lactams
10/31/1991CA2077435A1 Novel antimicrobial quinolone thioureas
10/31/1991CA2040551A1 Deoxymacrolide derivatives having immunosuppressive activity
10/30/1991CN1055823A Process for production of impact-resistant liquid crystal switching and display device
10/29/1991US5061713 No antiinflammatory activity
10/29/1991US5061712 Bactericides
10/28/1991WO1991017161A1 Isoquinoline amides and esters as 5 ht3 receptor antagonists
10/28/1991WO1991000092A1 Inhibition of interleukin-1 and tumor necrosis factor production by monocytes and/or macrophages
10/28/1991CA2081350A1 Isoquinoline amides and esters as 5 ht3 receptor antagonists
10/25/1991WO1991016320A1 Derivatives and analogues of 2-deoxy-2,3-didehydro-n-acetyl neuraminic acid and their use as antiviral agents
10/24/1991WO1991016888A1 Spiro[benzofurancycloalkane]carboxamides as 5ht3 antagonists
10/24/1991CA2081011A1 Spiro[benzofurancycloalkane]carboxamides as 5ht3 antagonists
10/23/1991EP0453405A1 Compounds containing o-hydroxyphenyl-1,3,5-triazines and sterile inhibited amines
10/23/1991EP0453298A2 Chiral catalysts for reduction of ketones and process for their preparation
10/23/1991EP0452406A1 Substituted semicarbazone arthropodicides
10/22/1991US5059597 Animal growth regulators; enterobacter
10/22/1991US5059596 Azabicyclo compounds
10/22/1991CA1291118C Process for preparing cephalosporin compounds
10/22/1991CA1291039C Transdermal administration of certain azepines
10/16/1991EP0452266A2 Isoindolinone compounds as stabilizers for organic materials
10/16/1991EP0452204A1 3-Aminochromane derivatives, procedure for their preparation and pharmaceutical compositions containing them
10/16/1991EP0452101A2 Spiro bridged and unbridged heterocyclic compounds
10/16/1991EP0451820A2 Process for manufacturing a shock-resistant liquid crystal switch and display
10/15/1991US5057608 Immunoregulants, immunosuppressants, process to make ring expanded macrolide related to FK-506/FK-520
10/15/1991US5057526 Pharmaceutically active pyridinyl substituted 5,7-dihydropyrrolo-[3,2-f]benzoxazole-6-ones
10/15/1991US5057516 Nervous system disorders
10/15/1991CA1290750C Chromogenic cryptahemispherands and their use in detecting electrolytes in an aqueous test sample
10/15/1991CA1290749C Compounds, reagents and procedures for determining cations
10/13/1991CA2040227A1 Process for the production of an impact-resistant liquid crystal switching and display device
10/13/1991CA2040195A1 Isoindolinone compounds as stabilisers for organic materials
10/10/1991CA2039937A1 3-aminochroman derivatives, their preparation process and pharmaceutical compositions containing them
10/08/1991US5055576 Photochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparation
10/08/1991US5055573 Process for preparing 1-carba-2-penem-3-carboxylic acid
10/08/1991US5055463 Spirocyclic 6-amido carbapenems
10/08/1991CA1290274C Substance 4181-2 and its derivatives
10/06/1991WO1991015491A1 Heterocyclic compounds as aldose reductase inhibitors
10/06/1991CA2078210A1 Heterocyclic compounds as aldose reductase inhibitors
10/03/1991WO1991008510A3 Organic optical elements and nonlinear optical devices
10/02/1991EP0449669A1 Photochromic compound, composition and use thereof
10/02/1991EP0448940A2 Process for the preparation of mannosyl teicoplanin derivatives and mannosyl teicoplanin aglycone
10/02/1991DE4010097A1 Ungesaettigte n-benzoxodiazolopyranyllactame, ihre herstellung und verwendung Unsaturated n-benzoxodiazolopyranyllactame, their preparation and use
10/01/1991US5053510 Process for the preparation of polycyclic compounds
10/01/1991US5053508 Anxiolytic agents
10/01/1991US5053500 Intermediates for the preparation of beta-lactam antibiotics
10/01/1991US5053412 Spiro nitrogen-bridged heterocyclic compounds
10/01/1991US5053407 Optically active pyridobenzoxazine derivatives and anti-microbial use
10/01/1991CA1289957C 1,4-benzoxazine derivatives, their production and use
10/01/1991CA1289956C Naphthyridine- and quinolonecarboxylic acids as antibacterial agents
09/1991
09/30/1991WO1991014690A1 Unsaturated n-benzoxodiazopyranyl lactams, their production and use
09/30/1991CA2078139A1 Unsaturated n-benzoxadiazolopyranyllactams, the preparation and use thereof
09/25/1991EP0229823B1 Polycyclic quinoline, naphthyridine and pyrazinopyridine derivatives
09/24/1991US5051505 Process for preparing piperazinyl quinolone derivatives
09/24/1991US5051429 "Pyrimidine derivatives"
09/19/1991WO1991013899A1 Tricyclo compounds
09/19/1991WO1991013889A1 Immunosuppressive macrocyclic compounds
09/18/1991CN1054600A Tricyclic-cyclic amines as novel cholinesterase inhibitors
09/17/1991US5049637 5-hydroxytryptamine antagonist
09/17/1991CA1289138C2 Intermediates for purine derivatives
09/11/1991EP0446133A1 4H-Pyrrolo[1,2-a]thieno[3,2-f][1,4]diazepine derivatives, process for their preparation and pharmaceutical compositions containing them
09/11/1991EP0445975A1 New hydroxymacrolide derivatives having immunosuppressive activity
09/11/1991CN1013865B Quinoline derivatives
09/10/1991WO1991013890A2 Diastereoisomeric compounds derived from tetrahydrofolic acid, process for their preparation and use in the synthesis of diastereoisomers 6s and 6r of reduced folates
09/10/1991CA2056433A1 Diastereoisomeric compounds derived from tetra-hydrofolic acid, process for their preparation and use in the synthesis of diastereoisomers 6s and 6r of reduced folates
09/10/1991CA1288767C Photochromic compound and articles containing the same
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