Patents
Patents for C07D 319 - Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms (10,283)
08/1992
08/08/1992CA2060623A1 N-phenylcarbamate compound, process for preparing the same and biocidal composition for control of harmful organisms
08/06/1992DE4102837A1 New 1,3-dioxan derivs. - useful as components of liq. crystal media for electro=optical display elements
08/05/1992EP0497268A2 Organic optical logic device
08/05/1992EP0497176A2 Four rings compounds and liquid crystal mixtures containing them
08/05/1992EP0497133A1 Process for the preparation of (hetero)arylalk(en/in)-ylamines and (hetero)arylalkinylamines per se
08/04/1992US5136057 Solvent extraction of recyclable lactic acid from impure lactide
08/04/1992US5135900 Aqueous solution of palladium compound and water soluble phosphine ligand associated with nitrile solvent; catalysts for nucleophilic substitution
07/1992
07/29/1992EP0496362A2 Process for preparing malonic anhydride
07/29/1992EP0496342A1 New hydrazine derivative and pesticidal composition comprising said derivative as an effective ingredient
07/29/1992EP0495998A1 Dihydrocaffeic acid amide derivative and application thereof as medicine
07/28/1992US5134240 Malaria therapy
07/25/1992CA2056510A1 Ethylenically unsaturated cyclic ortho esters
07/23/1992WO1992012123A1 Anti-viral compounds
07/23/1992DE4101446A1 Perfluorinated poly:cycloaliphatic ether(s)] contg. more than one oxygen atom - form very stable aq. emulsions and can be used for gas transport in medicine and biology
07/22/1992CA2059698A1 Process for the production of malonic acid anhydride
07/21/1992US5132328 Lipoxygenase inhibitors as antiinflammatory agents or antiallergens
07/21/1992US5132302 Use of aromatic aminoalkoxy derivatives for the treatment of troubles of the cerebrovascular system
07/21/1992US5131940 Dioxo heterocyclic compounds, composition containing same and process for plant growth regulation using same
07/14/1992CA1305154C Substituted dioxolan and dioxan derivatives
07/14/1992CA1305153C Optically active styrene derivatives, polymers obtained from these, complexes with iridium(i) and their use
07/14/1992CA1305138C Antiviral acyclic nucleoside derivatives and their preparation
07/08/1992EP0493883A1 Cyclic (hetero)acetals of nitro substituted benzaldehydes having anti-cancer activity
07/07/1992US5128362 Antidepressant, antiglaucoma
07/01/1992EP0491872A1 Polyhalodihydrodioxins and polyhalodioxoles.
06/1992
06/30/1992US5126375 Asthma, chronic bronchitis
06/30/1992US5126368 Octenoic acid derivatives useful as thromboxane A2 inhibitors
06/30/1992US5126367 Psychotropic benzodioxan derivatives
06/30/1992US5126366 Antidepressants, antipsychotics, anxiolytic agents
06/25/1992WO1991019695A3 Liquid crystal thiol compounds
06/24/1992EP0491142A1 Process for the preparation of mixtures of cyclic glycerin acetals of acrolein
06/23/1992US5124482 Process for trans-6-(2-substituted-pyrrol-1-yl)alkyl)pyran-2-one inhibitors of cholesterol synthesis
06/23/1992US5124473 Polycyclic aromatic derivatives, process for preparing the same and pharmaceutical and cosmetic compositions containing the same
06/18/1992CA2057740A1 Process for the preparation of mixtures of cyclic acrolein glycerol acetals
06/17/1992EP0490772A1 1,4-Disubstituted piperazines, their process of preparation and pharmaceutical compositions containing them
06/17/1992EP0489818A1 Threonine derived asymmetric chemical synthesis and intermediates for making antifungal compounds
06/17/1992EP0489778A1 Anti-inflammatory active ingredients for cosmetic preparations
06/17/1992DE4039893A1 Prepn. of cyclic cpds. which are biologically active - by reacting phenyl sulphoximine with alkal(ine earth) alcoholate or amine salt
06/16/1992US5122523 N-acylamino acid derivatives and their pharmaceutical compositions
06/16/1992CA1303618C Preparation of cyclic carbonate
06/09/1992US5120864 Intermediates, process for their preparation, and their use for the synthesis of vitamins a and e
06/09/1992US5120759 Tetrahydronaphthalene derivatives for improving short-term memory
06/09/1992US5120758 Treating allergic, inflammatory, cardiovascular, pulmonary, arthritic, cutaneous disorders
06/09/1992US5120752 Cyclopropyl derivative lipoxygenase inhibitors
06/09/1992US5120738 Cardiovascular disorders
06/03/1992EP0488236A1 Aromatic compounds, their production processes and their compositions for the control of insect pests
06/03/1992EP0487687A1 Process and intermediates for the preparation of tetraazaindenes useful in photography
06/02/1992US5118866 Catalytic oxidation of alcohol with catalyst system of cuprous chloride and tetramethyl piperidine oxide
06/02/1992US5118599 A 1,3-dioxane-5-carbonyl acetanilide, can be used a 4-equivalent couplers
05/1992
05/31/1992CA2056693A1 Compounds
05/29/1992WO1992004314A3 Process for preparing albuterol, acetal, hemi-acetal, and hydrates of arylglyoxal intermediates thereof
05/27/1992EP0486646A1 Liquid crystal thiol compounds
05/27/1992DE4037941A1 Cyclopentanetherderivate, verfahren zu ihrer herstellung und ihre pharmazeutische verwendung Cyclopentanetherderivate, processes for their preparation and their pharmaceutical use
05/26/1992US5117008 Depolymerization
05/26/1992US5116947 Process for the preparation of retro-inverso peptides and new intermediates thereof
05/26/1992US5116874 Aminocarbonyl sulfonamide derivatives
05/26/1992US5116402 Herbicidal composition containing dioxolane, dioxane, or dioxepane derivatives as antidote
05/24/1992WO1992009573A2 Cyclopentane ether derivatives, methods for preparing them and their use in pharmaceuticals
05/24/1992CA2096848A1 Cyclopentane ether derivatives, methods for preparing them and their use in pharmaceuticals
05/20/1992CN1061223A Catalytic production of lactide directly from lactic acid
05/20/1992CN1061222A Lactide production from dehydration of aqueous lactic acid feed
05/19/1992CA1301183C2 Aralykyl (arylethynyl) aralkyl amines and their use as vasodilators and antihypertensives
05/19/1992CA1301100C Resolution of racemates of 3-acyloxy- bicyclo-[3.3.0]-octane-7-one-2-carboxylic acid esters by stereo-specific enzymatic or microbiological acylate hydrolysis
05/12/1992US5112861 Method of treating parkinson's disease using pentanedione derivatives
05/12/1992US5112855 Hydrogenated 1-benzooxacycloalkylpyridinecarboxylic acid compounds and compositions
05/12/1992CA1300632C Acetylene amines and their use as vasodilators and antihypertensives
05/06/1992EP0471020A4 Production of lactones from diols
05/06/1992EP0238576B1 Nitrogen-containing heterocyclic compounds
05/06/1992CN1060840A Solvent scrubbing recovery of lactide and other dimeric cyclic estes
05/05/1992CA1300155C Optically pure 1,3-dioxenones, methods for preparing same and use thereof
05/05/1992CA1300154C N-substituted piperid-4-yl benzamide compounds and 1-substituted-4-amino-piperidine compounds
04/1992
04/30/1992WO1992006968A1 Process for the synthesis of (4r-cis)-1,1-dimethylethyl-6-cyanomethyl-2,2-dimethyl-1,3-dioxane-4-acetate
04/30/1992WO1991019725A3 Heterocyclic anthracyclione and anthracycline analogs
04/29/1992EP0482157A1 1,3-dioxane derivates and liquid crystal medium
04/24/1992WO1992006969A1 Solvent scrubbing recovery of cyclic esters
04/24/1992CA2093354A1 Solvent scrubbing recovery of lactide and other dimeric cyclic esters
04/22/1992EP0481317A2 Method for dechlorination and/or debromination of aromatic compounds containing fluorine with chlorine and/or bromine
04/22/1992EP0481253A2 p-Oxybenzoic acid derivatives, process for preparing them, and their use as medicaments
04/21/1992US5107030 Method of making 2,7-dimethyl-2,4,6-octatrienedial and derivatives thereof
04/21/1992US5106995 Reacting with oxidizing agent and ruthenium catalyst at low temperature
04/21/1992US5106407 Iodones and methods for antimicrobial use
04/20/1992CA2028031A1 Aryloxy alcoyl benzens, process for the preparation thereof and pharmaceutical compositions comprizing them
04/15/1992CN1016246B Method for mfg. aminophenol derivatives
04/14/1992US5104569 Which also have ether groups
04/14/1992CA1298844C Process for producing 1,4-dioxane
04/08/1992EP0478954A1 Serotonin 5HT1A and 5HT1D antagonists
04/07/1992US5103024 Process for the synthesis of (4r-cis)-1,1-dimethylethyl 6-cyanomethyl-2,2-dimethyl-1,3-dioxane-4-acetate
04/07/1992US5103016 Photographically useful compounds
04/07/1992US5102906 Alzheimer*s disease
04/07/1992US5102793 Treating with a culture product to form optically active 3alpha-hydroxy prostacyclin compound
04/02/1992WO1992005168A1 Catalytic production of lactide directly from lactic acid
04/02/1992CA2091689A1 Catalytic production of lactide directly from lactic acid
04/02/1992CA2052284A1 Dioxo heterocyclic compounds composition containing same and process for plant growth regulation using same
04/01/1992CN1059904A Process for preparing albuterol, hemi-acetal, and hydrates of arylgyoxal intermediates thereof
03/1992
03/31/1992US5100577 Indicator devices with improved response times, compounds contain a m-dioxane ring
03/31/1992CA1298306C High-purity alditol diacetals, free from organic solvent traces and processes for preparing same
03/31/1992CA1298305C Photosensitive calcium chelators
03/25/1992EP0476786A2 Processes for the preparation of cyclic ethers
03/25/1992CN1059717A Serotonin 5htia agonists
03/25/1992CN1015986B Process for preparing bighly pure cyslic esters
03/24/1992US5098932 Cyclic ether derivatives
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