| Patents for C07D 319 - Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms (10,283) |
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| 03/27/1991 | EP0418648A1 4-Hydroxytetrahydropyran-2-ones as well as the corresponding dehydroxy carbon acid derivatives, salts and esters, process for their preparation, pharmaceutical preparations as well as precursors |
| 03/27/1991 | EP0418430A1 Phenylalkyl amine derivatives having anti-ischaemic activity |
| 03/27/1991 | EP0418362A1 Trifluoromethylcyclohexane derivatives. |
| 03/26/1991 | US5003089 Preparation of cyclic 6-membered to 8-membered vinylene-1,2-dioxy compounds |
| 03/26/1991 | US5003080 Process for trans-6-(2-(substituted-pyrrol-1-yl)alkyl)pryan-2-one inhibitors of cholesterol synthesis |
| 03/26/1991 | US5002694 Liquid crystals with ferroelectric properties |
| 03/23/1991 | CA2025731A1 Phenylalkyl amine derivatives having antiischaemic activity |
| 03/21/1991 | WO1991003232A1 Anti-inflammatory active ingredients for cosmetic preparations |
| 03/20/1991 | CN1050014A Process for preparing 1,1-bis(4-chlorophenyl)-2,2,2-trichloroethanol |
| 03/19/1991 | WO1991004251A2 Polyhalodihydrodioxins and polyhalodioxoles |
| 03/19/1991 | CA2065379A1 Polyhalodihydrodioxins and polyhalodioxoles |
| 03/19/1991 | CA1281729C Atmospheric pressure process for preparing pure cyclic esters |
| 03/19/1991 | CA1281728C CYCLIC ACETALS OR KETALS OF .beta.-KETO ESTERS OR AMIDES |
| 03/19/1991 | CA1281716C Insecticidal n-substituted-n'-substituted-n,n'- diacylhydrazines |
| 03/12/1991 | US4999378 Phenylcarboxylic acid derivatives |
| 03/12/1991 | US4999042 Phenyl oximino-acetate fungicides |
| 03/12/1991 | CA1281333C Sulfonylurea derivatives |
| 03/07/1991 | WO1991002780A1 2,5-disubstituted heterocycles and mesomorphous medium |
| 03/07/1991 | DE3928707A1 Entzuendungshemmende wirkstoffe fuer kosmetische praeparate Anti-inflammatory ingredients for cosmetic preparations |
| 03/06/1991 | EP0415748A1 Threonine derived asymmetric chemical synthesis and intermediates for making antifungal compounds |
| 03/02/1991 | WO1991003473A1 Threonine derived asymmetric chemical synthesis and intermediates for making antifungal compounds |
| 03/02/1991 | CA2065259A1 Threonine derived asymmetric chemical synthesis and intermediates for making antifungal compounds |
| 02/27/1991 | EP0414206A2 2,4,6-Substituted phenol derivatives |
| 02/27/1991 | CN1011787B Synthesis of 1,4-dioxyhexacyclic compound |
| 02/14/1991 | DE4025370A1 2,5-Di:substd. 1,3-dioxan or pyrimidine derivs. - useful as components of liq. crystal media for electro-optical displays |
| 02/13/1991 | EP0412124A1 New dioxane derivatives capable of being optically active, process for their preparation, and applications |
| 02/12/1991 | US4992592 Fluoromalonaldehyde acetals from reaction of alcohol and acid |
| 02/12/1991 | US4992474 Phenethanolamine derivatives |
| 02/12/1991 | CA1280110C LIQUID CRYSTALLINE FERROELECTRIC DERIVATIVES OF BRANCHED ACYCLIC .alpha.-CHLOROCARBOXYLIC ACIDS |
| 02/06/1991 | EP0411676A1 Substituted dioxane derivatives |
| 02/05/1991 | US4990694 Optically active dimethyl heptanediols |
| 02/05/1991 | US4990222 Conveying through extruder, vaporizing, drawing off and condensing; efficiency, safety |
| 01/30/1991 | EP0410233A2 (4-Arylbutyl) cyclohexane derivatives |
| 01/30/1991 | EP0247202B1 Isocarbacyclin derivatives and process for their preparation |
| 01/29/1991 | CA1279645C Aryl-substituted (n-piperidinyl)methyl- and (n-piperazinyl)methylazoles having antipsychotic properties |
| 01/24/1991 | DE3923797A1 9-fluor-prostaglandin-derivate, verfahren zu ihrer herstellung und ihre pharmazeutische verwendung 9-fluoro-prostaglandin derivatives, to processes for their preparation and their pharmaceutical use |
| 01/23/1991 | EP0409689A2 A process for the purification of 1,1-bis(4-chlorophenyl)-2,2,2-trichloroethanol |
| 01/23/1991 | EP0409069A2 Mesogenic polycyanates and thermosets thereof |
| 01/22/1991 | US4987255 Organic nonlinear optical material |
| 01/18/1991 | CA2021280A1 Mesogenic polycyanates and thermosets thereof |
| 01/17/1991 | DE3923798A1 (delta)(pfeil hoch)8(pfeil hoch)-und(delta)(pfeil hoch)9(pfeil hoch)-prostaglandin-derivate, verfahren zu ihrer herstellung und ihre pharmazeutische verwendung (Delta) (arrow up) 8 (arrow up) -and (delta) (arrow up) 9 (arrow up) -prostaglandin derivatives, process for their production and their pharmaceutical use |
| 01/15/1991 | WO1991001303A1 Δ8 and Δ9-PROSTAGLANDINE DERIVATES, THEIR PROCESS OF PRODUCTION AND THEIR PHARMACEUTICAL USE |
| 01/15/1991 | WO1991001302A1 9-fluor-prostaglandine derivates, their process of production and their pharmaceutical use |
| 01/15/1991 | US4985546 For coloring polyurethane foams |
| 01/15/1991 | US4985458 Treatment of alzheimer*s disease |
| 01/15/1991 | CA2036386A1 9-fluoroprostaglandin derivatives, process for their production and their pharmaceutical use |
| 01/15/1991 | CA2036383A1 8-and 9-prostaglandin derivatives, process for their production and their pharmaceutical use |
| 01/09/1991 | EP0407256A1 Process for obtaining nucleophilic substitutions |
| 01/08/1991 | US4983766 Chemical intermediates for optically active secondary alcohols |
| 01/08/1991 | US4983759 REACTING A BUTYRONITRILE DERIVATIVE WITH a-HALOACETATE |
| 01/08/1991 | US4983745 Depolymerization of racemic polylactic acid with tin |
| 01/08/1991 | US4983739 Optically active styrene compounds |
| 01/08/1991 | US4983208 Plant diseases, cereal crops |
| 01/02/1991 | EP0405271A1 Process for the production 1,3-dioxolane and 1,3-dioxane derivatives |
| 01/01/1991 | US4981993 Polyfunctional ethylenic monomers |
| 12/29/1990 | CA2019929A1 Process for the preparation of derivatives of 1,3-dioxolane and of 1,3-dioxane |
| 12/25/1990 | US4980486 Phenyl isothiocyanates |
| 12/22/1990 | CA2019495A1 Palladium-based catalyst and its use |
| 12/19/1990 | EP0403185A2 Compounds having one or more aminosulfonyloxy radicals useful as pharmaceuticals |
| 12/18/1990 | US4978793 Reacting nitromethane with formaldehyde, reacting with ketone, then with alkali metal hydroxide, neutralizing, reducing, hydrolyzing |
| 12/18/1990 | US4978759 Reacting meldrum*s acid with protected amino acid, cyclization decyclizing, reduction and deprotecting; statine |
| 12/18/1990 | US4978653 Derivative of 2-cyclohexylpropanal and perfumery composition comprising the same |
| 12/12/1990 | CA2018700A1 Compounds having one or more aminosulfonyloxy radicals useful as pharmaceuticals |
| 12/11/1990 | US4977281 Polyoxyalkylene amino alcohols and polyoxyalkylene amino 1,3-dioxanes and 1,3-dioxolanes |
| 12/11/1990 | US4977279 Anticholesterol agents |
| 12/11/1990 | US4977184 Bicyclic peroxides compositions for and treatment of malaria therewith |
| 12/11/1990 | US4976771 Also plant growth regulators |
| 12/11/1990 | CA1277672C Process for preparing highly pure cyclic esters |
| 12/05/1990 | EP0400861A1 1,3-dioxane derivative and liquid crystal composition incorporating the same |
| 12/04/1990 | CA1277329C Dioxane hexenoic acids |
| 12/04/1990 | CA1277321C Nitrataolkyl 1,4-benzodioxane derivatives |
| 11/29/1990 | WO1990014344A1 Production of lactones from diols |
| 11/28/1990 | EP0399485A1 Process for the production of D,L-lactide |
| 11/27/1990 | US4973763 Process for the preparation of polyglycerols |
| 11/27/1990 | US4973716 Process for preparing perfluoroethers by fluorination with elemental fluorine |
| 11/27/1990 | US4973589 Method of preventing the reinfestation of dogs and cats by fleas |
| 11/20/1990 | US4971981 Pesticides, insecticides, larvicides |
| 11/15/1990 | WO1990013610A1 Mesogenic compounds |
| 11/13/1990 | US4970313 Optically active 3-demethylmevalonic acid derivatives, and intermediates |
| 11/07/1990 | EP0396474A1 Use of aromatical aminoalcoxy derivatives in the treatment of cerebrovascular disorders |
| 11/07/1990 | EP0395734A1 1-aminomethyl-1,2,3,4-tetrahydronaphthalenes |
| 11/06/1990 | US4968820 Chiral reaction products produced from mesogenic molecular structural elements and bifunctionally reactive butanetetraol derivatives, and their use as dopants in liquid crystal phases |
| 11/06/1990 | US4968717 Phenylacetonitriles which are substituted by basic groups, their preparation and drugs containing these substances |
| 11/05/1990 | CA2014351A1 Production of lactones from diols |
| 11/01/1990 | WO1990012562A1 Hair colorants |
| 11/01/1990 | WO1990010006A3 NOVEL β-METHOXYACRYLATES, THEIR PRODUCTION AND USE |
| 10/31/1990 | EP0395312A2 Piperazine derivatives |
| 10/31/1990 | EP0395220A2 1,3-dioxane derivative |
| 10/31/1990 | EP0394440A1 Phenylcarboxylic acid derivatives |
| 10/31/1990 | EP0234437B1 Chiralic reaction products of mesogene molecular structures and bifunctional reactive derivatives of tartaric acid, method for their production and their use as a doping material in liquid crystal phases |
| 10/30/1990 | US4966982 Process for the production of lactide |
| 10/30/1990 | US4966726 Chiral reaction products produced from mesogenic molecular structural elements and bifunctionally reactive tartaric acid derivatives, and their use as dopants in liquid crystal phases |
| 10/25/1990 | DE3913477A1 Haarfaerbemittel Hair dye |
| 10/24/1990 | EP0393501A1 Liquid crystal components with a trans-3-cyclohexylallyloxy group |
| 10/23/1990 | US4964846 Process for the E/Z stereoselective synthesis of homochiral five and six ring intermediate products |
| 10/18/1990 | WO1990012073A1 Trifluoromethylcyclohexane derivatives |
| 10/17/1990 | CN1046159A Atmospheric pressure process for prepaing cyclic esters |
| 10/16/1990 | US4963590 Enzyme inhibitor for treating parkinson's disease along with dopa;potentiation |
| 10/10/1990 | EP0391203A2 2-Phenyl pyridins |
| 10/10/1990 | EP0210896B1 Optically pure derivates of 4-amino-3-hydroxycarboxylic acids and process for stereospecific synthesis |