Patents
Patents for C07D 213 - Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members (63,273)
12/1991
12/08/1991WO1991018880A1 Benzoic acid derivatives for treating leukotriene-related diseases
12/08/1991WO1991018601A1 Benzoic acid derivatives
12/08/1991CA2084190A1 Derivatives of hydroxy and alkoxy pyridines
12/08/1991CA2083958A1 Benzoic acid derivatives for treating leukotriene-related disease
12/08/1991CA2083957A1 Pyridyl-benzoic acid derivatives for treating leukotriene-related diseases
12/08/1991CA2083956A1 Amide linked pyridyl-benzoic acid derivatives for treating leukotriene-related diseases
12/08/1991CA2043091A1 Derivatives of .beta-picoline and crop protection agents containing them
12/06/1991CA2043850A1 Dichloroaniline compound
12/04/1991EP0459949A1 Sulfonyl ureas with herbicidal activity and useful as plant growth regulators
12/04/1991EP0459662A1 Fungicidal compounds
12/04/1991EP0459574A2 Optical article for reflection modulation
12/04/1991CN1056684A Isoxazole-4-carboxamides and hydroxyalkylidenecyanoacetamides pharmaceuticals containing these compounds and their use
12/03/1991US5070204 Process for preparation of fluoromethyl-substituted pyridine dicarboxylates
12/03/1991US5070161 Quaternary ammonium compound
12/03/1991US5070097 Miticides
12/03/1991US5070096 Quinolinoxy phenylsulphonamides
12/03/1991US5069812 Bleach/builder precursors
12/03/1991CA1292746C Preparation of difluoropyridine compounds
12/03/1991CA1292743C Complex-forming polymers
12/03/1991CA1292739C Heteroaromatic acetylenes useful as antihypertensive agents
12/03/1991CA1292732C Separation agent for optical isomers
12/03/1991CA1292710C Fluorescent labels
12/02/1991WO1991018866A2 1,4-diamino-2,3-dihydroxybutanes
12/02/1991CA2084087A1 1,4-diamino 2,3-dihydroxy butanes
12/01/1991WO1991018878A1 Preparation of substituted piperidines
12/01/1991CA2043376A1 Sulfonylureas
12/01/1991CA2043332A1 Fungicides compounds
11/1991
11/28/1991WO1991017979A1 Process for the preparation of 2-n-acylaminopyridines and 2-aminopyridines from 5-oxoalkanenitrile oximes
11/28/1991WO1991017748A1 Isoxazole-4-carboxamides and hydroxyalkylidene-cyanoacetamides, drugs containing these compounds and use of such drugs
11/27/1991EP0458459A2 Substituted benzhydryl 2-hydroxypropyl piperazine derivatives
11/27/1991EP0458361A1 Pyridine derivatives, their production processes and their compositions for the control of insect pests
11/27/1991EP0458278A1 Silver halide photographic material
11/27/1991EP0458109A1 Side chain chlorination of alkylated pyridine or pyrimidine derivatives
11/27/1991EP0458037A1 Bis-aryl amide and urea antagonists of platelet activating factor
11/27/1991EP0457912A1 METHOD FOR THE PREPARATION OF $g(a),$g(b)-UNSATURATED KETONES
11/27/1991CN1056494A Bis-aryl amide and urea antagonists of platelet activating factor
11/27/1991CN1056492A Process for preparing pyridine carboxylic acid derivatives
11/27/1991CN1014894B Process for preparing 4,4-dialkyl-2-azetidinones
11/27/1991CN1014889B Process for preparation of diphenylethylene
11/26/1991US5068473 Reaction with hydrogen in the presence of a catalyst of rhenium
11/26/1991US5068461 Insecticidal ethers
11/26/1991US5068394 Herbicidal (hetero)aryloxynaphthalene derivatives and intermediates therefor
11/26/1991US5068336 Mixing hydroquinone with a dehydrohalogenation agent in an aprotic solvent and 2,3-dichloro-5-trifluoromethylpyridine to form an ether linkage
11/26/1991US5068333 Aldose reductase inhibitors
11/26/1991US5068053 Liquid crystals for optical apparatus
11/25/1991WO1991017750A1 Nicotinylalanine as a therapeutic agent acting on the central nervous system
11/25/1991CA2083507A1 Nicotinylalanine as a therapeutic agent acting on the central nervous system
11/25/1991CA2043279A1 Pyridine derivatives, their production processes and their compounds for control of insect pests
11/22/1991WO1991017987A1 Phenol and pyridinol derivatives as pharmaceuticals
11/22/1991CA2081982A1 Phenol and pyridinol derivatives as pharmaceuticals
11/21/1991EP0457505A2 Pyrimidine derivatives and their use as herbicides
11/21/1991EP0457250A2 Novel bifunctional linking compounds, conjugates and methods for their production
11/21/1991EP0457184A2 Naphthol derivatives, method for their preparation and use therefor
11/21/1991EP0457140A2 Phenoxyphenyl sulfonyl compounds
11/21/1991EP0457090A2 Process for the preparation of 3-amino-2 (het)aroyl-acrylic acid derivatives
11/21/1991EP0456826A1 Amine derivatives
11/21/1991EP0456793A1 Halophenyl substituted heterocyclic derivatives.
11/21/1991EP0456760A1 Lipoxygenase inhibiting compounds
11/21/1991DE4015834A1 New phenoxy:phenyl-sulphonyl cpds. - used as defoliant(s), desiccant(s) and weed-killer(s)
11/19/1991US5066810 3,5-dimethyl-4-methoxypyridine derivatives
11/19/1991US5066809 Palladium Catalyst
11/19/1991US5066808 Pyridyl insecticidally active cyano compounds
11/19/1991US5066722 Heat-latent curing catalyst and resin compositions containing the same
11/19/1991US5066680 Novel substituted-acetamide compound and a process for the preparation thereof
11/19/1991US5066657 Crotonic acid amide derivatives and insectides containing the same
11/19/1991CA1292236C Process for preparing n-alkylated amino acids and esters thereof
11/18/1991CA2042571A1 Phenoxyphenylsulphonyl compounds
11/18/1991CA2041846A1 Therapeutic agents
11/16/1991CA2041615A1 Pyrimidine derivatives
11/14/1991WO1991016820A1 Photodynamic plant defoliants and chlorophyll biosynthesis modulators
11/14/1991DE4015647A1 New triazolo-(4,3-a)pyridine(s) and N'-(2-pyridyl)-hydrazone(s)
11/13/1991EP0456504A2 Process for preparing pyridinecarboxylic acid derivatives
11/13/1991EP0456118A2 Cyclohexenonoximethers, process and intermediates for their preparation and their use as herbicides
11/13/1991EP0456089A1 Cyclohexenonoximethers, process for their production and their application as herbicides
11/13/1991EP0456068A1 Cyclohexenonoximethers, process and intermediates for their production and their use as herbicides
11/13/1991EP0456039A2 Renin inhibiting amino acid derivatives
11/12/1991US5064853 4(2-indolyl)2-amino-pentanedioic acids and cholecyostokinin use thereof
11/12/1991US5064848 Benzophenone oxime ether compounds, pharmaceutical compositions and treatment methods
11/12/1991US5064846 Heterocyclic insecticides
11/12/1991US5064843 Pyrid-3-yl thioformamide compounds which have useful pharmaceutical utilities
11/12/1991US5064841 Antilipemic agents; atherosclerosis
11/12/1991US5064832 Biaryl compounds
11/12/1991US5064569 Liquid crystals, chirally tilted, phenyl carboxylates
11/12/1991CA2041021A1 Process for preparing pyridinecarboxylic acid derivatives
11/12/1991CA1292049C Inclination measuring device
11/12/1991CA1291992C Heterocyclic compounds
11/10/1991CA2041794A1 Cyclohexenone oxime ethers, their preparation, intermediates for their preparation and their use as herbicides
11/10/1991CA2041793A1 Cyclohexenone oxime ethers, their preparation and their use as herbicides
11/10/1991CA2041630A1 Cyclohexenone oxime ethers, their preparation, intermediates for their preparation and their use as herbicides
11/06/1991EP0455271A2 Anti-inflammatory compositions
11/06/1991EP0454731A1 Process and catalyst for the preparation of 2,2'-bipyridyls.
11/06/1991CN1055925A Pyridine derivatives
11/06/1991CA2041817A1 Amino acid derivatives
11/05/1991US5063237 Antiallergens and antiinflammatory agents
11/05/1991US5063236 Pyridyl substituted guanidines useful as insecticides
11/05/1991US5063208 Cardiovascular disorders, vision defects
11/05/1991CA2041687A1 Bis-aryl amide and urea antagonists of platelet activating factor
11/05/1991CA1291762C Process for preparing aromatic aldehydes
11/03/1991WO1991016894A1 Quinolizinone type compounds
11/02/1991WO1991017149A1 3-naphthyl-3-carboxyalkylthio or oxy substituted alkanoic acid leukotriene antagonists