Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › 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
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)
01/1992
01/08/1992CN1057646A Hydrazinecarboxamide derivatives, process for production thereof, and uses thereof
01/07/1992US5079384 Herbicidal (6-(hetero)aryloxy-naphthalen-2-yl-oxy-alkanecarboxylic acid derivatives
01/07/1992US5079367 Reacting acrolein, an alkanol and ammonia using zeolite catalyst
01/07/1992US5079366 Quarternary pyridinium salts
01/07/1992US5079363 From an alkoxypyridine and an indole derivative, antitumor and antileukemia agents
01/07/1992US5079361 Crosslinking Of Polypeptides Or Proteins With A Reagent Containing A Vinyl Group Conjugated With An Aromatic Nitrogen Heterocycle
01/07/1992US5079305 Improved cure rate, scorch delay and reversion resistance
01/07/1992CA2046392A1 Substituted sulfonylalkylsulfonylureas, processes for their preparation, and their use as herbicides and plant growth regulators
01/07/1992CA1293975C Pyridinecarboxamide derivatives and their use as fungicide
01/07/1992CA1293974C Preparation of alkanolamine salts of carboxylic acid herbicides
01/07/1992CA1293973C Fungicidal pyridyl cyclopropane carboxamides
01/06/1992CA2046264A1 Alpha-mercapto alkylamine n-substituted derivatives, a process for their preparation and intermediate products, their application as pharmacological substances and compositions holding same
01/06/1992CA2046035A1 Keratin fibre dyeing method using acid tetrahydroxy-indole and compositions for use therein
01/06/1992CA2046034A1 Keratin fibre dyeing method using acid tetrahydroxy-indole derivatives and compositions for use therein
01/04/1992CA2045971A1 Optically active .alpha.-fluoroacrylamides
01/02/1992EP0463970A1 Oxazolo pyridine derivatives, process for their preparation and pharmaceutical compositions containing them
01/02/1992EP0463592A1 2,4- and 2,5-substituted pyridine-N-oxides, processes for their preparation and for their utilization
01/02/1992EP0463492A1 2,6-Diarylpyridin derivatives
01/02/1992EP0463464A1 Process for the preparation of 2-chloro-5-methylpyridine
01/02/1992DE4119919A1 New n-benzoyl-n'-(pyridin-2-yloxy)-phenyl-urea derivs. - useful as insecticides with good ovicidal and larvicidal properties, and low warm-blooded toxicity
01/01/1992CN1057456A Process for preparation of dialkyl, pyridine-2,3-dicarboxylates and derivatives thereof from dialkyl dichloromaleate
01/01/1992CN1057455A Process for preparation of dialkyl, pyridine-2,3-dicarboxylates and derivatives thereof from dialkyl dichlorosucciate
12/1991
12/31/1991US5077428 Pharmacologically active derivatives of p-guanidinobenzoic acid
12/31/1991US5077409 Method of preparing bis-aryl amide and urea antagonists of platelet activating factor
12/31/1991US5077306 Fungicidal n,n'-diacylaminals
12/31/1991US5077304 Insecticides, pesticides
12/31/1991US5077046 Polyprenyl composition or compounds and process for the production thereof
12/31/1991US5076947 1-phenyl-1-propanol derivative
12/31/1991US5076830 Indan-1,3-dione derivative and herbicidal composition containing the same as active ingredient
12/31/1991CA1293840C Renin inhibiting polypeptide analogs and intermediates
12/31/1991CA1293732C Catalyzed alkylation of halopyridinates in the absence of added organic solvents
12/31/1991CA1293730C Substituted phenoxypropionaldehyde derivatives useful as herbicides
12/30/1991CA2045849A1 Oxazolopyridines derivatives, their preparation process and pharmaceutical compositions containing them
12/30/1991CA2036148A1 A 1-phenylimidazole derivative and its production and use
12/30/1991CA2036147A1 A 1-pyridylimidazole derivative and its production and use
12/29/1991CA2045868A1 2,4- and 2,5-substituted pyridine-n-oxides, processes for their preparation and their use
12/29/1991CA2045008A1 Dipeptide derivatives
12/29/1991CA2043698A1 Electrochemical synthesis of niacin and other n-heterocyclic compounds
12/28/1991CA2045730A1 Process for the preparation of substituted acyclic nucleosides, and intermediates occurring therein
12/27/1991EP0462808A2 Inhibitors of HIV reverse transcriptase
12/27/1991EP0462800A2 Inhibitors of HIV reverse transcriptase
12/27/1991EP0462639A1 Preparation of 2-chloropyridine derivatives
12/27/1991EP0462638A1 Pyridinylpiperazine derivatives
12/27/1991EP0462456A1 Hydrazinecarboxamide derivatives, a process for production thereof, and uses thereof
12/27/1991EP0462237A1 1,2-disubstituted 2,6-difluorobenzene compounds and liquid crystal media.
12/27/1991EP0462179A1 Novel sulfonamides as radiosensitizers
12/26/1991WO1991019712A1 Dialkoxy-pyridinyl-benzimidazole derivatives, process for their preparation and their pharmaceutical use
12/26/1991WO1991019697A1 Pyridine derivative with angiotensin ii antagonism
12/26/1991WO1991019695A2 Liquid crystal thiol compounds
12/26/1991WO1991010645A3 Chelants
12/26/1991CA2064875A1 Liquid crystal thiol compounds
12/26/1991CA2051705A1 Pyridine derivatives having angiotensin ii antagonism
12/25/1991CN1057261A Preparation of 1,3-dihydro-4-pyridoyl-2h-imidazol-2-ones
12/24/1991US5075488 Soil disease-controlling cyano and ester derivatives of cyclopentenyl amine
12/24/1991US5075339 Antiinflammatory agents, antiallergens
12/24/1991US5075325 N-aminobutyl-n-phenylarylamide derivatives, their preparation and their application in therapy
12/24/1991US5075233 Process for the preparation of 2-aryloxypropionic acids
12/24/1991US5075190 Heat and humidity resistant
12/24/1991US5075032 Smectic liquid-crystalline phases
12/24/1991US5074911 Extracting metal values from aqueous solution with immiscible solvent and dissolved heterocyclic thione
12/24/1991CA1293513C Cyclohexenone derivatives, their preparation and their use for controlling undesirable plant growth
12/24/1991CA1293512C Method of preparing 2,3,6-trichloropyridine and 2,3,5, 6-tetrachloropyridine in the gas phase
12/24/1991CA1293511C Allenyl amines
12/23/1991WO1992000293A1 Bis-benzo or benzopyrido cyclo hepta piperidene, piperidylidene and piperazine compounds and compositions
12/19/1991CA2044830A1 Inhibitors of hiv reverse transcriptase
12/19/1991CA2044828A1 Inhibitors of hiv reverse transcriptase
12/18/1991EP0461797A1 Herbicidal oximethers
12/18/1991EP0461487A2 Beta picoline derivatives and plant protecting agents containing them
12/18/1991EP0461403A1 Process for the preparation of dialkyl pyridine-2,3-dicarboxylate and derivatives thereof from dialkyl dichlorosucciante
12/18/1991EP0461402A1 Process for the preparation of substituted and unsubstituted 2,3-pyridinedicarboxylates from chloromaleate or chlorofumarate or mixtures thereof
12/18/1991EP0461401A1 Process for the preparation of dialkyl, pyridine-2,3-dicarboxylates and derivatives thereof from dialkyl dichloromaleate
12/18/1991CN1057051A Derivatives of hydroxy and alkoxy pyridines
12/17/1991US5073637 Preparation of 2,3-difluoro-5-(trifluoromethyl)pyridine
12/17/1991US5073636 Iron chloride, pesticide intermediate
12/16/1991CA2044553A1 Process for the preparation of dialkyl, pyridine-2, 3-dicarboxylates and derivatives thereof from dialkyl dichloromaleate
12/15/1991CA2043704A1 Compounds
12/12/1991WO1991019694A1 Optical isomer of r-form of diphenyl ether derivative and herbicide containing the same as active ingredient
12/12/1991WO1991018904A1 Substituted arylsulfonamides and benzamides
12/12/1991WO1991018882A1 N-substituted heterocyclic amidine derivative
12/12/1991WO1991018879A1 Phthalamic acids and their isomers for treating leukotriene-related diseases
12/12/1991WO1991018608A1 Use of platelet activating factor antagonists as anti-pruritic agents
12/12/1991DE4018623A1 Cyclohexenone-oxime:ether derivs. - are herbicides active against e.g. Setaria viridis
12/12/1991DE4018260A1 New beta-picoline derivs.
12/12/1991CA2084874A1 Optical isomer or r-form of diphenyl ether derivative and herbicide containing the same as active ingredient
12/12/1991CA2083611A1 Use of platelet activating factor antagonists as anti-pruritic agents
12/12/1991CA2043604A1 Pyridinylpiperazine derivatives
12/11/1991EP0461079A2 Substituted phthalides and heterocyclic phthalides
12/11/1991EP0460924A1 Dichloroaniline compound
12/11/1991EP0460575A1 Aromatic compounds
12/11/1991EP0220297B1 Nitrogen-containing heterocycles
12/11/1991CN1056876A Preparation of substituted piperidines
12/10/1991US5071992 Process for preparation of aromatic thiol esters
12/10/1991US5071991 Etherification, bromination, reduction, cyclization
12/10/1991US5071861 Aromatase enzyme inhibitor; antiestrogens
12/10/1991US5071860 Insecticidally active substituted heteroaryl phenyl ethers
12/10/1991US5071857 Anticarcinogenic agent
12/10/1991US5071802 Regeneration of catalysts by burning in the presence of alcohols
12/08/1991WO1991018895A1 Improved method for synthesis
12/08/1991WO1991018883A1 Amide linked pyridyle-benzoic acid derivatives for treating leukotriene-related diseases
12/08/1991WO1991018881A1 Derivatives of hydroxy and alkoxy pyridines
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