Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › C07D 319 - Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
Patents for C07D 319 - Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms (10,283)
04/1990
04/05/1990DE3909802A1 Difluormethylverbindungen Difluormethylverbindungen
04/04/1990EP0361532A2 Ethane derivatives
04/03/1990US4914196 Chiral reactants for aldehydes, ketones, n-substituted imines
03/1990
03/29/1990DE3825424A1 Fluorierte alkoxyverbindungen Fluorinated alkoxy
03/28/1990EP0360521A2 Achiral fluorine-containing liquid crystals
03/27/1990US4912262 Reacting a cyclohexane-1,3,5-trione compound with a acylnitrile in presence of a base and Lewis acid
03/27/1990US4911863 Ferroelectric; mixture of compounds containing aromatic ester
03/21/1990EP0359400A1 Fungicidal benzodioxane amine derivatives
03/21/1990EP0359290A1 Aromatic diols
03/20/1990US4910200 Acrylic acid morpholides, fungicidal compositions and use
03/14/1990EP0358091A2 Derivative of 2-cyclohexylpropanal and perfumery composition comprising the same
03/14/1990CN1040371A Fungicidal benzodioxane amine derivatives
03/14/1990CN1040366A Butenoic or propenoic acid derivative
03/13/1990US4908380 Substituted 1,3-dioxane ether derivative; thromboxane A2 inhibitor
03/08/1990WO1990002122A1 Fungicidal benzodioxane amine derivatives
02/1990
02/28/1990EP0355169A1 Use of piperazine derivatives in the manufacture of a medicament for treating anxiety
02/28/1990CN1040024A 2,3-difluorophenol derivatives
02/27/1990US4904790 Optically active styrene compounds substituted by a pyridinyl group
02/21/1990EP0355025A2 Substituted (2-haloalkoxy-1,1,2-trifluoroethoxy)styrenes, process for their preparation and their use
02/21/1990CN1039797A Difluoromethyl compounds
02/20/1990US4902811 Benzodioxane prostacyclin analogs
02/20/1990US4902712 Fluoroalkane derivatives
02/13/1990US4900846 Process for making 1,3-dioxane derivatives
02/13/1990US4900823 Phenyl ketone derivatives
02/08/1990WO1990001056A1 Difluoromethyl compounds
02/08/1990WO1990001021A1 Fluorinated alkoxyl compounds
02/07/1990EP0353670A1 Process for the preparation of cyclic vinylene-1,2-dioxy compounds with chains of 6 to 8 carbon atoms
02/07/1990EP0353323A1 Method for producing 1,4 - dioxane
02/06/1990US4898950 Reacting phosphonium or phosphonate substituted compound with dioxane aldehyde, deprotecting, cyclizing
02/06/1990US4898876 Benzoylpiperazine esters and a process for their production
02/06/1990CA1265521A1 Chelators whose affinity for calcium is decreased by illumination
01/1990
01/31/1990CN1039244A Oxygen-containing heterocyclic compound and process for preparing same
01/30/1990US4897109 Compositions for protecting culture plants from the phytotoxic action of herbicidally active chloracetanilides
01/24/1990EP0351782A2 Optically active compounds liquid crystal composition containing said compound, and liquid crystal optical modulator using said composition
01/23/1990US4895975 Diacetylene compound and process for production of polymer containing diacetylene groups from the diacetylene compound
01/23/1990US4895963 1,3-Dioxan-5-yl-hexenoic acids
01/23/1990US4895962 Thromboxane a2 antagonists
01/23/1990US4895871 Benzoheterocyclyl ketone hydrazone insecticides
01/17/1990EP0350846A2 Condensed heterocyclic compounds and their use in therapy
01/16/1990US4894391 Hypotensive agents, nervous system disorders, antidiarrheoral agents
01/16/1990US4894336 Cultures, microorganisms, hydrolytic enzymes
01/11/1990WO1990000169A1 Amino ketals, their preparation, and their use as fungicides
01/03/1990EP0349247A2 Amino ketals, their preparation, and their use as fungicides
01/02/1990US4891412 Optically active styrene derivatives, polymers obtained from these, complexes with iridium(I) and their use
12/1989
12/28/1989WO1989012635A1 New dioxane derivatives capable of being optically active, process for their preparation, and applications
12/27/1989EP0348223A2 Novel process for the preparation of serinol
12/26/1989US4889939 Lubricants
12/26/1989US4889852 Anxiolytically active piperazine derivatives
12/20/1989EP0347381A1 Unsaturated beta-ketoesteracetals and their applications
12/20/1989EP0347168A1 Derivatives of p-substituted phenyl ester of pivalic acid
12/20/1989EP0346511A1 Oxygen-containing hererocyclic compound, processes for their preparation and pharmaceutical compositions comprising them
12/20/1989CN1038097A Production of monohydroxy monocyclic acetals and their esters
12/13/1989EP0346165A1 Mesomorphous polymers with side chains containing a motive of trans(phenylene 4-4' substituted)-2 dioxane 1,3 alkenyl-5
12/12/1989US4886903 Process for production of prostaglandins D2
12/12/1989US4886816 Cardiotonic agents
12/12/1989CA1263862A1 Derivatives of amino-5 pentanenitril and the process for their preparation
12/06/1989EP0344935A2 Photo-assisted solution phase direct fluorination process improvement
12/06/1989EP0344577A2 Butenoic or propenoic acid derivatives
12/06/1989EP0344557A2 Liquid crystal components with a trimethylenoxy group
12/05/1989US4885313 3,4-Dihydroxyphenylethylamine derivatives and their use
11/1989
11/29/1989EP0343917A1 Production of monohydroxy monocyclic acetals and their esters
11/23/1989DE3816801A1 Process for the preparation of carbacyclines
11/15/1989EP0341594A2 Process for the preparation of a 1,4-dioxane adduct of 2-hydroxy-naphthalene-6-carboxylic acid and use of said adduct
11/15/1989EP0227740B1 Thermal imaging method and element
11/14/1989US4880942 Carbonation of 1,2-diol or 1,3-diol in the presence of a basic catalyst
11/14/1989US4880840 Animal growth regulators
11/14/1989US4880801 Alpha 2-adrenoreceptor antagonist
11/14/1989US4880775 Perfumes
11/14/1989CA1262912A1 Tetrahydrofuranyl substituted prostaglandin analogs
11/08/1989EP0340708A2 Method for the preparation of 3-(3,4,5,6-tetrahydrophthalimido)-benzaldehydes
11/08/1989EP0340559A1 Process for the production of 5-bromo-5-nitro-1,3-dioxane
11/07/1989US4879307 Dioxolane antibacterial compositions
11/02/1989WO1989007598A3 Improved process for trans-6-[2-(substituted-pyrrol-1-yl)alkyl]pyran-2-one inhibitors of cholesterol synthesis
11/02/1989EP0339882A1 Process for the production of lactide
11/02/1989EP0339418A2 Substituted anilides of the cycloalkyl- or heterocyclyl-carboxylic acids
10/1989
10/31/1989US4877811 Chemical compounds
10/31/1989US4877220 Hexasubstituted cyclohexane compounds
10/24/1989US4876368 Recycling heavier condensation products
10/18/1989EP0337739A2 Use of TP-receptor antagonists to modify the action of myofibroblasts
10/17/1989US4874770 Aryl-substituted (N-piperidinyl)methyl- and (N-piperidinyl) methylazoles having antipsychotic properties
10/17/1989US4874544 Ferroelectric liquid crystals
10/10/1989US4873254 1,4-Dihydropyridines substituted by 3-aryloxy-2-hydroxypropyl amino moiety in the 4-phenyl group
10/05/1989WO1989009203A1 Octafluorobiphenyls
10/04/1989EP0334911A1 Substituted phenyltrifluormethylethers
10/04/1989CN1036013A Preparation of antihypercholesterolemic tetrazole compounds and intermediates thereof
10/03/1989US4871469 Trifluorotoluene derivatives
09/1989
09/27/1989EP0334137A2 2-Pyri(mi)dylthio-arylether
09/26/1989US4870193 Process for producing spiro-orthocarbonate
09/26/1989US4870104 Antiulcer, luteolytic
09/26/1989CA1261839A1 2-cycloalkenylamine derivatives
09/26/1989CA1261835A1 (fused) benz(thio)amides
09/26/1989CA1261342A1 Glycerol derivatives, their production and use
09/26/1989CA1261340A2 Ketals of 2-halo-1-(6'-methoxy-2'-naphthyl)-propan- 1-one
09/26/1989CA1260933A1 Bicyclic lactams, processes for their preparation and their use, and formulations containing these compounds
09/26/1989CA1260474A1 Benzoxazol- and benzothiazolamine derivatives
09/21/1989WO1989008637A1 Derivatives of 2,3-difluorohydroquinone
09/21/1989DE3906021A1 Derivatives of 4-cyano-2,3-difluorophenol
09/19/1989US4868318 Synthetic blood
09/19/1989US4868306 Cardiovascular
09/19/1989CA1259627A1 PREPARATION OF .alpha.-ARYLALKANOIC ACIDS
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