Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › C07D 493 - Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
Patents for C07D 493 - Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system (17,376)
10/1991
10/09/1991EP0450765A1 Polycyclic dyes
10/09/1991EP0207124B1 Use of podophyllotoxin and derivatives thereof
10/08/1991US5055597 Synthesis of inositol phosphates
10/08/1991US5055596 Anthelminitic agents
10/08/1991US5055595 Etherified fluorescein compounds
10/08/1991CA1290327C C(29)-carbonyloxymilbemycin derivatives for controlling parasitic pests of animals and plants
10/07/1991WO1991015191A1 Gel stick antiperspirant compositions
10/07/1991CA2077437A1 Gel stick antiperspirant compositions
10/06/1991WO1991015492A1 Novel piperidin-4-spiro-oxiranes
10/06/1991CA2079791A1 Piperidin-4-spiro-oxiranes
10/03/1991WO1991014688A1 Hetero polycyclic biocidal compounds and their use in medecine
10/02/1991EP0449436A1 Method of separating sesamin analogues
10/02/1991DE4010355A1 Bicyclo(3.3.0)octan-derivate, verfahren zu ihrer herstellung und ihre pharmazeutische verwendung Bicyclo (3.3.0) octane derivatives, process for their production and their pharmaceutical use
10/01/1991US5053546 Hexamaphtho-hexaoxa (-imina,-thea)-1,8-diborabicyclo (6,6,6) eicosahexanes; ligands; adducts; catalysts
10/01/1991US5053425 Novel anti-fungal compounds
10/01/1991US5053408 Hexitol derivatives having vasodilative activity
09/1991
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
09/25/1991EP0448393A1 Antihypercholesterolemics
09/25/1991EP0448274A2 Use of a thromboxane A2 receptor antagonist for the manufacture of a medicament for the treatment of ulcerative gastrointestinal conditions
09/25/1991EP0448243A1 Milbemycin ether derivatives, their preparation and their therapeutic and agrochemical uses
09/25/1991EP0447813A1 Water soluble salts of purpuromycin and pharmaceutical formulations thereof
09/25/1991EP0447703A1 Hetero polycyclic biocidal compounds, their synthesis and intermediates therefor,formulations containing them and their use in medicine
09/24/1991WO1991014689A1 Antimalarial analogs of artemisinin
09/24/1991US5051520 9,9-bis(perfluroralkyl)xanthene, 9-aryl-9-perfluroralkylxanthene
09/24/1991CA2054777A1 Antimalarial analogs of artemisinin
09/24/1991CA1289557C Oxime-ethers of 2,6-dioxobicyclo-[3.3.0] octanones for treatment of heart and circulation diseases
09/22/1991WO1991014694A1 Chiral catalysts and epoxidation reactions catalyzed thereby
09/22/1991CA2038517A1 Squalene synthetase inhibitors
09/22/1991CA2038450A1 Squalene synthetase inhibitors
09/20/1991CA2037561A1 Method of protecting against and/or treating ulcerative gastrointestinal conditions using a thromboxane a2 receptor antagonist and combination useful in preventing and/or treatingulcers and/or inflammation
09/20/1991CA2012626A1 Hetero polycyclic biocidal compounds, their synthesis and intermediates therefor, formulations containing them, and their use in medicine
09/18/1991EP0447188A2 7-Oxabicycloheptane imidazole prostaglandin analogs useful in the treatment of thrombotic and vasospastic diseases
09/18/1991EP0446832A2 Process for the preparation of castanospermine
09/18/1991CN1054600A Tricyclic-cyclic amines as novel cholinesterase inhibitors
09/17/1991US5049694 Cardiovascular disorders
09/17/1991US5049605 Bis(3,4-dialkylbenzylidene) sorbitol acetals and compositions containing same
09/13/1991CA2036486A1 7-oxabicycloheptane imidazole prostaglandin analogs useful in the treatment of thrombotic and vasospastic disease
09/10/1991US5047574 Certain optically active mono esters of dicarboxylic acids
09/10/1991US5047532 Isolation and elucidation of Cephalostatins 5 and 6
09/10/1991US5047518 1,6-anhydro-β-hexopyranose derivatives and their use as herbicides and plant growth regulators
09/09/1991WO1991013882A1 Isomerization of epoxyalkenes to 2,5-dihydrofurans and catalysts compositions useful therefor
09/09/1991CA2276192A1 Isomerization of epoxyalkenes to 2,5-dihydrofurans and catalysts compositions useful therefor
09/04/1991EP0445021A2 Tris acyl-2",3",4'ethylidene-4",6"-beta-D-glucopyranosides, their production and use in the synthesis of ethylidene-4",6"-beta-D-glucopyranosides of epipodophyllotoxin
09/04/1991EP0444964A1 Milbemycin ether derivatives, their preparation and their anthelmintic uses
09/04/1991EP0444848A1 Process for preparing [1S-[1alpha,2alpha(Z),3alpha,4alpha]]-7-[3-[[[[(1-oxoheptyl)-amino]acetyl]amino]methyl]-7-oxabicyclo-[2.2.1]hept-2-yl]-5-heptenoic acid
09/04/1991EP0444127A1 Process for preparing bis-methylene spiroorthocarbonate
09/04/1991EP0444035A1 Herbicidal oxabicycloalkane ethers
09/03/1991US5045457 Novel compounds
09/03/1991CA1288435C Substituted hexahydroarylquinolizines
09/03/1991CA1288426C Process for producing 13-substituted milbemycin derivatives
09/02/1991CA2037414A1 13-ether-substituted milbemycin derivatives
08/1991
08/29/1991CA2037200A1 Water soluble salts of purpuromycin and pharmaceutical formulations thereof
08/28/1991EP0443733A1 Method for the treatment of fleas
08/28/1991EP0443654A2 Antibiotic agent
08/28/1991EP0408749A4 Derivatives of 3,18-dihydroxy-9,13-epoxylabdane, method of obtaining them and a hemostatic pharmaceutical preparation based thereon
08/27/1991US5043456 6-oxa and thiabicyclo [3.1.0.] compounds
08/27/1991US5043451 Bicyclo (2.2.1.) hept-exo-2-yl and bicyclo (2.2.2.) oct-endo-2-yl compounds
08/27/1991US5043353 A80789 polyether antibiotic
08/27/1991US5043347 Indanes and analgesic compositions and methods thereof
08/27/1991CA2035265A1 Process for preparing ¬1s-¬1.alpha.,2.alpha.(z), 3.alpha.,4.alpha.||-7-¬3-¬¬¬¬(1-oxoheptyl)-amino|-acetyl|amino|methyl|-
08/22/1991WO1991012024A1 Triarylmethyl radicals and the use of inert carbon free radicals in mri
08/21/1991CN1053921A Therapeutic agents
08/20/1991US5041635 5(Z)-7-(endo-3-benzenesulfonamidobicyclo[2.2.1]hept-exo-2-yl)-5-heptenoic acid, sodium salt
08/20/1991US5041566 Method of preparing levoglucosenone
08/20/1991US5041565 Cardiovascular disorders
08/20/1991US5041560 Fluoran compound
08/20/1991US5041555 Derivatives of 1,4-dideoxy-1,4-imino-D-mannitol and preparation thereof
08/20/1991US5041425 Antitumor agent
08/14/1991WO1991012252A1 Indole derivatives, their preparation and use
08/14/1991EP0441517A2 Tricyclic amines as novel cholinesterase inhibitors
08/14/1991EP0441279A1 Bilobalide phospholipide complexes, their applications and formulations containing them
08/14/1991EP0441116A2 Process and intermediates for the manufacture of optically active chroman derivatives
08/14/1991CA2074727A1 Indole derivatives, their preparation and use
08/14/1991CA2036120A1 Antibiotic agent
08/13/1991US5039710 Viricides, antitumor agents
08/13/1991CA2075818A1 Triarylmethyl radicals and the use of inert carbon free radicals in mri
08/13/1991CA1287638C Orthocarbonates
08/09/1991CA2035843A1 Method for the treatment of fleas
08/08/1991DE4002929A1 New cyclic amino xanthene dyes - esp. for producing black shades in thermal printing paper
08/07/1991CN1053607A Hiv protease inhibitors useful for treatment of aids
07/1991
07/24/1991EP0437800A1 Derivatives and analogues of monoethylglycinexylidide and their production and use
07/24/1991CN1053237A Synthetic method for arteannuin from abrotane acid
07/23/1991US5034542 Hydrogenation in the presence of a rhodium catalyst an alkenyl compound, which is formed by clevage of an ether or an aryloxythiocarbonyloxy group
07/23/1991US5034499 Polymerization of trioxane with 5,6-epoxy-1,3-dioxepane for toughness and heat resistance
07/23/1991CA1286679C 7-oxabicycloheptane substituted diacid diamide prostaglandin analogs
07/17/1991EP0437187A2 Process for the preparation of esters of hydroxyphenylpropanoic acid
07/17/1991EP0436940A1 Process for producing benzodi-furanone compounds useful for dyeing or printing hydrophobic fiber materials
07/17/1991EP0436911A2 Novel vitamin E derivatives and process for the production thereof
07/17/1991CN1053062A Vitamin e derivatives and process for preparing them
07/12/1991CA2033846A1 Process for the preparation of hydroxyphenylpropionic acid esters
07/10/1991CN1052861A Preparing method and anti-pregnent function of tripterygium-wilfordii alcoholic lactone
07/10/1991CN1052860A Preparing process and anti-child-bearing function of tripterygium-wilfordii chlorolactone alcohol
07/10/1991CN1052859A Constitution and preparing process of 17-hydroxy tripterygium-wilfordii lactone alcohol and similars
07/09/1991CA1285953C 7-oxabicycloheptane substituted aminoalkyl amide prostaglandin analogs
07/09/1991CA1285937C 27-halo derivatives of ll-f28249 compounds
07/06/1991CA2033649A1 Vitamin e derivatives and process for the production thereof
07/03/1991EP0435149A2 Method of producing 3-dibutylamino-6-methyl-7-anilinofluoran
07/03/1991CN1052673A Containing nitrogen green wormwood element derivative synthetizing and using
07/02/1991US5028733 Prostaglandins
1 ... 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 ... 174