Patents
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Patents for C07D 241 - Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings (18,673)
01/1990
01/30/1990US4897481 Process for the minimization of racemization in the preparation of optically active ((aryloxy)phenoxy)propionate herbicides
01/30/1990US4897223 Triarylmethane dyes for pressure sensitive elements; microencapsulation
01/24/1990EP0351782A2 Optically active compounds liquid crystal composition containing said compound, and liquid crystal optical modulator using said composition
01/24/1990EP0351617A1 Cyclopropane carboxamides, process for their preparation and their use in combating insects
01/24/1990EP0224579B1 Smectic liquid crystalline phases
01/24/1990CN1039019A Liquid crystal cyclicpropylalkyl or alkenyl heterocyclic compounds, process for preparing same and use in liquid crystal compostion
01/24/1990CN1039016A Anthelmintic n'-substituted-n, n'disubstitutedhydrazines
01/17/1990EP0350846A2 Condensed heterocyclic compounds and their use in therapy
01/16/1990US4894454 Pharmaceutical preparations
01/16/1990US4894453 2-substituted alkoxy-3-substituted-pyrazines
01/16/1990US4894324 Hardeners for proteins, a layer of binder hardened therewith and a photographic recording material containing such a layer
01/10/1990EP0350202A2 Photothermographic elements
01/10/1990EP0350038A2 Enrichment of optical purity of 2-(4-aryloxyphenoxy) propionic acids by crystallization as hydrates
12/1989
12/28/1989WO1989012637A1 Heterobicyclic compounds having antiinflammatory activity
12/27/1989EP0347854A2 Photoreceptor for electrophotography
12/27/1989EP0347698A1 Heterobicyclic compounds having antiinflammatory activity
12/26/1989US4889932 Thermography; coatings
12/26/1989US4889870 2-(2,2-Difluorocyclopropyl)alkyl esters, processes for their preparation and their use as insecticides and acaricides
12/26/1989US4889855 Heterocyclic compounds and their preparation and use
12/20/1989EP0347146A2 Fused pyrimidine derivatives, process and intermediates for their preparation and pharmaceutical compositions containing them
12/20/1989EP0346847A2 Amino acid derivatives
12/19/1989US4888050 Grass control
12/14/1989WO1989012043A1 An improved process for the minimization of racemization in the preparation of optically active [(aryloxy)phenoxy]propionate herbicides
12/13/1989EP0345330A1 Processes for the production of amines
12/12/1989US4886801 Diazine-ethenylphenyl oxamic acids and esters and salts thereof
12/12/1989US4886781 Substituted 2,3-diphenyl-1,2-dihydroquinoxalines and antibiotics for growths promoting
12/06/1989EP0344746A2 An improved process for the minimization of racemization in the preparation of optically active ((aryloxy) phenoxy) propionate herbicides
12/06/1989EP0344577A2 Butenoic or propenoic acid derivatives
12/06/1989EP0344557A2 Liquid crystal components with a trimethylenoxy group
12/05/1989CA1263650A1 Substituted piperazine-1, 4-naphthalenediones
11/1989
11/29/1989EP0343900A2 Piperazine compounds
11/29/1989EP0343894A1 Benzamide protease inhibitors
11/29/1989EP0343866A1 Aminophenol derivatives
11/29/1989EP0343865A1 Bicyclic compounds
11/28/1989CA1263392A1 Process for the preparation of phenyl-piperazine derivatives
11/23/1989EP0342423A2 Heteroaroylhydrazide derivatives of monocyclic beta-lactam antibiotics
11/21/1989US4882435 Pharmaceutical preparations
11/15/1989EP0341264A1 Atriopeptins, guanylate cyclase activators, and phosphodiesterase inhibitors as treatment for glaucoma, hydrocephalus and cerebral edema (cranial fluid volume dysfunction)
11/14/1989US4880934 Preparation of hydroxyalkylpiperazinones by reacting a 2,3-dihydroxy-1,4-dioxane with a hydroalkyldiamine
11/14/1989US4880808 N-aryl-piperazinealkanamides useful for improving sleep
11/14/1989US4880576 Halogenation of acids, formamide catalysts
11/14/1989CA1262902A1 Chloroacetanilides, their preparation, their use, compositions containing them, and method of combatting undesired plant growth
11/09/1989DE3813977A1 Process for the preparation of quinoxalones
11/08/1989EP0341081A2 Novel amino acid derivatives
11/02/1989WO1989010363A1 Fused polycyclic compounds, compositions, methods of manufacture and their use as paf antagonists, antihistamines and/or antiinflammatory agents
11/02/1989EP0339978A1 Fused polycyclic compounds, compositions, methods of manufacture, and their use as PAF antagonists, antihistamines and/or antiinflammatory agents
11/02/1989EP0339869A2 Novel phenazine dyes
11/02/1989EP0339411A1 Process for the preparation of quinoxalones
11/02/1989EP0339252A2 2,5-disubstituted pyrazine derivatives, pyrimidine derivatives, and liquid crystal containing the same
10/1989
10/31/1989US4877883 Substituted pyrazoles
10/31/1989US4877877 Platelet aggregation inhibitors, vasodilators and anti-lipoperoxide generators
10/31/1989US4877875 1-Substituted alkyl-2-oxo-hexahydroquinoxaline derivatives
10/31/1989US4877803 Bis-dioxopiperazine derivatives and pharmaceutical compositions containing the same
10/31/1989US4877783 β-lactam antibacterial agents
10/31/1989CA1262544A1 Phenothiazone derivatives and analogs
10/25/1989CN1036570A Azaneoalkyl and azaneosilanyl sulfide, process for preparing same, preparation containing same, and use thereof as biocides
10/24/1989US4876347 Methine dyes having a pyridyl group and a pyridyl or a quinolinyl group
10/17/1989US4874864 Antiplasmin, antithrombin agents
10/17/1989US4874850 Pharmaceutical preparations
10/11/1989EP0336199A1 Azaneophyl and silazaneophyl sulfides, process for their preparation, agents containing them, and their use as pesticides
10/11/1989EP0336142A2 Novel antagonists of platelet activating factor
10/11/1989CN1036202A Improvements in or relating to organic compounds
10/10/1989US4873328 Process for preparing alkoxyalkylidenehydrazinopyridazine derivatives
10/10/1989US4872918 Heterocyclic esters and smoking compositions containing a heterocyclic ester flavorant-release additive
10/04/1989EP0334925A1 Ferroelectric liquid crystalline phases
10/03/1989US4871853 Herbicide intermediates
10/03/1989US4871852 Quinoline-carboxylic acid derivatives
10/03/1989CA1262136A1 N-(SUBSTITUTED CYCLIC ALKYLENEIMINE)-.alpha.-(3,5-DI- ALKYL-4-HYDROXYPHENYL)-.alpha.',.alpha."-DIALKYL ACETAMIDES
09/1989
09/27/1989CN1035780A Sulfur dioxide removal from gas streams using hydroxyalkyl substituted piperazinones
09/26/1989US4870176 1-Substituted alkyl-1,2-dihydro-2-pyrazinone derivatives
09/26/1989US4870175 Anticoagulants, cyclic adenosine monophosphate phosphodiesterase inhibitors
09/26/1989US4870174 Imidozopyrionidines and their use in pharmaceutical preparations
09/26/1989US4870171 Hypotensive
09/26/1989US4870075 Fungicides
09/26/1989CA1261839A1 2-cycloalkenylamine derivatives
09/26/1989CA1261834A1 1-4-diaza-phenothiazine analogous compounds as 5- lipoxygenase inhibitors
09/26/1989CA1261335A1 Ethylenediamine monoamide derivatives
09/21/1989WO1989008649A1 Heterocyclic 1,2-difluorobenzene derivatives
09/19/1989US4868303 Antitumor
09/19/1989US4868183 N-pyrazinyl substituted P-aminophenols
09/19/1989US4868181 Calcium channel blockers, adrenergic blocking agents
09/13/1989EP0332159A1 Substituted heterocycles, process for their manufacture and pharmaceutical compounds containing these compounds
09/13/1989EP0332024A1 Heterocyclic derivatives of 1,2-difluorobenzene
09/13/1989CN1035505A Heterocyclic-alkylene quinoxalinyloxyphenoxypropanoate herbicides
09/12/1989US4866178 Process for the preparation of 2-carboxypyrazine 4-oxides
09/12/1989US4866175 Novel process for the synthesis of quinoxaline and benzimidazole-N-oxides
09/12/1989US4866056 Anthelmintics
09/12/1989CA1259219A1 Radiation sensitive plates
09/12/1989CA1259200A1 Plant protection agents based on oxime esters
09/08/1989WO1989008100A1 Polyacrylamide gels for improved detection of proteins
09/06/1989EP0331396A1 Process for the preparation of Ti-Zr-P catalysts and their use in the preparation of linear polyethylenepolyamines
08/1989
08/30/1989EP0330460A2 Polyacrylamide gels for improved detection of proteins
08/30/1989EP0330381A1 Process for preparing bis (3,5-dioxopiperazinyl) alkanes or alkenes
08/30/1989EP0330065A1 Sulfonamide compounds
08/29/1989US4861884 Compositions prepared from amino substituted pyrazines and carboxylic acids, carboxylic acid anhydrides, carboxylic acid esters or carboxylic acid halides
08/29/1989US4861779 Anti-bacterial substituted bridged-diazabicycloalkyl quinolone carboxylic acids
08/22/1989US4859775 Process for preparing acylpyrazine ethers
08/22/1989US4859675 1-[2-(phenylmethyl) phenyl]piperazines as antidepressants
08/22/1989US4859673 Amide derivatives and antiallergic agents containing the same
08/22/1989US4859667 Pharmaceutical compositions of phenothiazone derivatives and analogs
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