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)
10/1991
10/01/1991US5053522 Process for the preparation of lactide
10/01/1991US5053507 Optically active pyrimidines derivatives
10/01/1991US5053426 Simplified thioester and isostere analogs of oleoyl coenzyme a as hypocholesterolemic agents
10/01/1991US5053400 Anticoagulants; hypotensive agents; bronchodilator agents; tissue specificity
10/01/1991CA1289951C Complexes containing optically active sugar ligands, a process for theirpreparation and their use
09/1991
09/30/1991EP0462121A4 Poly-alkylated benzodioxin musk compositions.
09/29/1991WO1991014675A1 Bicyclo[3.3.)]octane derivatives, process for producing them and their pharmaceutical use
09/29/1991CA2058922A1 Bicyclo{3.3.0}octane derivatives, process for their production and their pharmaceutical use
09/25/1991EP0447565A1 1,3-dioxane derivative and liquid-crystal composition containing the same
09/24/1991CA1289560C Cyclohexenone derivatives, the preparation and use thereof as herbicides and plant growth regulators
09/19/1991WO1991013871A1 Monourea derivative and its salt
09/18/1991EP0446921A2 Optically active alkylene-dioxybenzene derivatives and their use in therapy
09/17/1991CA1289078C Pharmaceutical composition for the treatment of parkinson's disease
09/10/1991US5047558 Process for the preparation of a dioxane adduct of 2-hydroxynaphthalene-6-carboxylic acid
09/10/1991US5047432 Arylcyclobutylmethylamine therapeutic agents
09/10/1991US5047417 Butenoic or propenoic acid derivatives
09/10/1991US5047412 Treatmetn of pulmonary and/or vascular disorders; thromboxane A2 antagonists
08/1991
08/27/1991US5043458 One-step continuous process for preparing cyclic esters
08/27/1991CA1288101C Aromatic w-alkylimino-tetrahydro-6h-1,3-thiazin-6-one derivatives
08/21/1991EP0442306A2 (4E-cyclohexyl-3-butenyl)phenyl derivatives
08/20/1991US5041681 Chemical process
08/14/1991CN1053800A Process for preparing fluoropolyethers and perfluoropolyethers having neutral or functional end groups and controlled molecular weigh
08/13/1991US5039710 Viricides, antitumor agents
08/13/1991CA1287637C Fluoropolyethers containing end groups endowed with anchoring capacity
08/08/1991WO1991009026A3 Phenyldioxanes
08/07/1991EP0440199A2 Process for preparing (per) fluoropolyethers of controlled molecular weight
08/07/1991CN1053607A Hiv protease inhibitors useful for treatment of aids
08/06/1991US5037853 Antiinflammatory agents
08/06/1991US5037825 Useful In The Treatment Of Neoplasms, Dermatoses And Aging Of The Skin
07/1991
07/31/1991EP0439059A2 1-Phenylalkyl-3-phenylurea derivative
07/31/1991EP0438811A2 Esters of 3-halogeno- or 3-cyano-substituted 2-methylalkanecarboxylic acids and their use as doping agents in liquid-crystalline compositions
07/31/1991EP0438574A1 2,5-disubstituted heterocycles and mesomorphous medium.
07/31/1991EP0438533A1 Muscarinic receptor antagonists
07/30/1991US5036070 Treatment of nervous system disorders, schizophrenia, anxiety, paranoia
07/30/1991CA1287047C Fungicides
07/23/1991CA2034673A1 1-phenylalkyl-3-phenylurea derivative
07/17/1991EP0436936A2 Lipid selective anti-oxidants, their production and use
07/17/1991CN1013198B Anti-tumour sulfonylurea deriv. preparing process
07/16/1991US5032313 Trifluorobenzene derivative and liquid crystal composition containing the same
07/16/1991US5032312 Liquid crystals
07/11/1991WO1991004251A3 Polyhalodihydrodioxins and polyhalodioxoles
07/10/1991EP0436199A1 Cyclopropyl derivative lipoxygenase inhibitors
07/10/1991CN1052855A Method for synthesising n-substitute amide derivatives
07/10/1991CA2033755A1 Lipid-selective antioxidants and their preparation and use
07/03/1991EP0434832A1 D8- and D9-PROSTAGLANDINE DERIVATES, THEIR PROCESS OF PRODUCTION AND THEIR PHARMACEUTICAL USE.
07/03/1991EP0262126B1 Microbiological reduction of intermediary products of prostacyclin with a 15-ketonic group
07/02/1991US5028256 Composition for protecting culture plants from the phytotoxic action of herbicidally active chloracetanilides
06/1991
06/29/1991CA2032251A1 Cyclopropyl derivative lipoxygenase inhibitors
06/27/1991WO1991009026A2 Phenyldioxanes
06/26/1991EP0434365A2 HIV protease inhibitors useful for the treatment of aids
06/26/1991EP0433836A2 Halophenyl substituted dioxanes
06/25/1991US5026879 Liquid crystals having low threshold voltage, and wide visual angle; used in electro-optical displays
06/25/1991US5026877 Reacting a ketone with an acetoacetic acid derivative
06/25/1991US5026801 Polyhalodihydrodioxins and polyhalodioxoles
06/25/1991CA1285283C Tricyclo (6.2.1.0 , )undecanes useful as fragrance chemicals
06/19/1991CA2032259A1 Hiv protease inhibitors useful for the treatment of aids
06/18/1991US5025017 Seco-mevinic acid derivatives useful as antihypercholesterolemic agents and new intermediates
06/12/1991EP0432021A1 Intermediates, procedure for their preparation and their use in the synthesis of vitamins A and E
06/11/1991US5023362 Chemical intermediates for fluoropolymers, elastomers, membranes for electrolytic cells
06/11/1991US5023354 Condensation of an alditol with benzoic aldehyde
06/11/1991US5023350 Gas stream stripping
06/11/1991US5023349 Continuous process for rapid conversion of oligomers to cyclic esters
06/11/1991US5023346 Process for the production of cyclic carbonic acid esters
06/11/1991US5023345 Preparation of alkylene carbonates
06/05/1991EP0429902A1 1,1-Dialkoxy-2-oxo-6-aryl-3,5-alkadienes
06/05/1991EP0429535A1 Fungicidal benzodioxane amine derivatives
06/05/1991CN1012733B Process for the preparation therapeutic agents and their use
06/04/1991US5021581 Fungicides
06/02/1991CA2031241A1 Intermediates, process for the preparation thereof and their use for the synthesis of vitamins a and e
05/1991
05/28/1991CA1284497C Prodrugs of antihypercholesterolemic compounds
05/22/1991EP0428423A2 Aryloxy alkyl benzenes, processes for their preparation and pharmaceutical compositions containing them
05/22/1991EP0428392A2 Optically active compounds having plural chiral centers and the production thereof
05/22/1991EP0427957A2 Alkinyl-substituted liquid crystals
05/21/1991US5017610 Elastase inhibitor
05/21/1991US5017602 Antagonists of organophosphate-induced toxicity
05/21/1991CA1284332C N-[4-o-hydroxyphenyl-1,3-dioxan-5-yl-hexenoyl]sulphonamides
05/21/1991CA1284331C N-¬4-o-hydroxyphenyl-1,3-dioxan-5-yl-hexenoyl|sulphonamides
05/21/1991CA1284330C 2,4-diphenyl-1,3-dioxanes
05/14/1991US5015761 Esters and alcohol derivatives of dimethyltricyclo(6.2.01.6)un decanes as perfumes
05/08/1991EP0425622A1 Mesogenic compounds.
05/07/1991US5013478 Liquid crystals
05/07/1991US5013476 Ferroelectric properties, electro-optical indicating device
05/07/1991CA1283926C Process for making 1,3-dioxane derivatives
05/07/1991CA1283921C2 Optically active pyrrolidinedione and pyrrolidinone derivatives
05/02/1991WO1991005780A1 1,3-dioxane derivative and liquid-crystal composition containing the same
05/02/1991WO1991005761A1 Treatment of hiv infections and compounds useful therein
05/01/1991CN1051036A Treatment of hiv infections and compounds useful therein
04/1991
04/30/1991US5011946 Azeotropic distillation of water, crystallization and isolation
04/30/1991US5011943 FK-506 C10 -C24 process intermediates
04/17/1991EP0422523A2 Process for the preparation of cyclic carbonates
04/16/1991US5008465 Preparing ether by heating alcohol with olefin
04/16/1991US5008452 Aminoethyl oximes
04/16/1991US5008406 Hemiacetal compounds and the applications thereof
04/10/1991EP0421441A2 Pantothenic acid derivatives
04/04/1991WO1991004246A1 Method for preparing amino acid derivatives and therapeutical applications of same
04/03/1991EP0420327A1 Phenylalkyl amine derivatives having anti-ischaemic activity
04/03/1991EP0419856A2 Seco-mevinic acid derivatives useful as antihypercholesterolemic agents and new intermediates
04/02/1991US5004602 Continuous release pharmaceutical compositions formed by freeze drying acetic acid solutions of polylactide
03/1991
03/29/1991CA2023857A1 Seco-mevinic acid derivatives useful as antihypercholesterolemic agents and new intermediates
03/27/1991EP0419327A1 Amino acid derivatives, method for their preparation and their therapeutic application
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