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)
07/1991
07/02/1991US5028711 Hypotensive Agents
07/02/1991US5028698 Cytorhodin S derivatives and a process for their preparation
07/02/1991CA1285570C 7-oxabicycloheptane substituted amide-carbamate prostaglandin analogs
07/02/1991CA1285569C 7-oxabicycloheptane substituted amide-thioamide prostalglandin analogs
07/02/1991CA1285489C Process for the preparation of stabilized isosorbide- 5-mononitrate tablets, being also of sustained release, and formulations thus obtained
06/1991
06/27/1991WO1991009031A1 Trifluoromethyl substituted compounds and a pharmaceutical composition
06/26/1991EP0434376A2 Ivermectin derivative compounds and process for preparing the same
06/26/1991EP0434365A2 HIV protease inhibitors useful for the treatment of aids
06/26/1991EP0433898A2 Analogs of oxetanyl purines and pyrimidines
06/26/1991EP0433780A1 Substituted azolylmethylcycloalkanols and fungicides containing them
06/26/1991EP0433628A1 Process for the production of 3,8-dihydroxy-5a,10b-diphenylcumarano-2',3',2,3-cumaran
06/26/1991CN1052478A Lmproved process for preparing vinyl ethers
06/25/1991US5026878 Process for preparing soraphen compounds
06/25/1991US5026874 Agricultural insecticides
06/25/1991US5026870 Blocking D-glycero-D-gulo-heptono-1,4-lactone, reducing, reacting with methanesulfonyl chloride, then with benzylamine, deprotecting, cyclizing, cleaving by catalytic hydrogenation, neutralizing, hydrolyzing
06/25/1991US5026724 Compounds with bronchodilator activity
06/25/1991US5026643 On carboxylic acid substrate
06/25/1991US5026554 Applying or administering fungicide
06/23/1991CA2032228A1 Derivatives and analogs of monoethylglycinexylidide and their production and use
06/21/1991CA2032422A1 Analogs of oxetanyl purines and pyrimidines
06/21/1991CA2032310A1 Process for the preparation of nojirimycin and related compounds
06/20/1991DE3941593A1 Azolyl:methyl:cycloalkanol derivs. - for use as fungicides and growth regulators
06/20/1991CA2032230A1 Ivermectin derivative compounds and process for preparing the same
06/19/1991CA2032259A1 Hiv protease inhibitors useful for the treatment of aids
06/18/1991US5025098 Method of preparing bicyclic tetrahydroxylated pyrrolizidines
06/18/1991US5025034 Prostaglandins
06/17/1991CA2032285A1 Substituted azolylmethylcycloalkanols and fungicides containing them
06/15/1991WO1991009002A1 Process for the preparation of vinyl ethers
06/12/1991EP0431480A2 Substituted 10-ring-lactones, process for their preparation and their use
06/12/1991EP0431277A1 Combination of a thromboxane A2 antagonist with a thrombolytic agent
06/11/1991US5023354 Condensation of an alditol with benzoic aldehyde
06/11/1991US5023353 Reduction of artemisinin and refluxing
06/11/1991US5023348 Process for the preparation of macrolide compounds
06/11/1991US5023346 Process for the production of cyclic carbonic acid esters
06/11/1991US5023344 Reducing intraocular pressure
06/11/1991US5023340 Glycosidase inhibitors
06/05/1991EP0430621A2 Process for the preparation of chiral 3,4-epoxy benzopyrans
06/04/1991US5021562 Method for azide displacement of α-triflates of 1,5-lactones
06/04/1991US5021450 New class of compounds having a variable spectrum of activities for capsaicin-like responses, compositions and uses thereof
06/04/1991CA1284648C 7-oxabicyclo(2.2.1)heptane analogs
06/04/1991CA1284644C 7-oxabicycloheptane substituted keto-amide prostaglandin analogs
06/04/1991CA1284643C 7-oxabicycloheptane substituted diamide and its congener prostaglandin analogs
06/04/1991CA1284638C 13.beta.-MILBEMYCIN DERIVATIVES AND THEIR USE AS PESTICIDES
05/1991
05/30/1991CA2030969A1 Process
05/29/1991EP0429209A1 New antibiotic chemical compound "DC 114-C"
05/28/1991US5019590 Antimalarial analogs of artemisinin
05/28/1991US5019589 Δ23 -LL-F28249 compounds
05/28/1991CA1284495C Chlorination of carbohydrates and other alcohols
05/27/1991CA2029278A1 4-amidino chroman and 4-amidino pyrano (3,2-c) pyridine derivatives, a process for their preparation and pharmaceutical compositions containing them
05/22/1991EP0428437A1 1,2-Benzisoxazole derivatives, process for their preparation and pharmaceutical compositions containing them
05/22/1991EP0428286A2 24- and 25-substituted avermectin and milbemycin derivatives
05/21/1991US5017710 Fluoran compound and coloring recording material using it
05/16/1991WO1991006665A1 Activation compounds and methods for nucleic acid sterilization
05/16/1991DE3937592A1 Monomeric, oligomeric and polymeric radical anion salt prodn. - by reducing naphthalene tetra:carboxylic di:anhydride or bis:imide cpd. with dithionite
05/15/1991EP0427694A1 Synthesis of mannojirimycin derivatives
05/15/1991EP0427693A1 Method for azide displacement of alpha-triflates of 1,5-lactones
05/15/1991EP0427606A1 4-Amidino chromane and 4-amidino pyrano(3,2-c)pyridine derivatives, process for preparation and pharmaceutical compositions containing them
05/15/1991EP0426785A1 Compositions and methods for treating viral infections
05/14/1991US5015662 Anthelmintic bioconversion products
05/14/1991US5015630 5-oxime avermectin derivatives
05/08/1991EP0425980A1 Process for the separation of enantiomers of benzopyran derivatives
05/08/1991EP0425946A2 Iso- and heterocyclic phenylsulphonamides
05/07/1991US5013853 Chroman derivatives
05/07/1991US5013851 Intermediates for the production of podophyllotoxin and related compounds
05/07/1991US5013827 Enhanced chemiluminescence from 1,2-dioxetanes through energy transfer to tethered fluorescers
05/04/1991CA2029107A1 Process for the resolution of enantiomers of benzopyran derivatives
05/03/1991CA2029057A1 Antithrombotic iso- and heterocyclic phenylsulphonamides
05/02/1991WO1991005765A1 Process for preparing sulfonamide derivative of norbornane
05/01/1991CN1051043A Process for preparation of 23-(cl-c6 alkyloxime)-ll-f28249 compounds
05/01/1991CA2028763A1 24-and 25-substituted avermectin and milbemycin derivatives
04/1991
04/30/1991US5011951 Synthesis of artemisininelactol derivatives
04/30/1991US5011950 Aromatic amine derivatives
04/30/1991US5011948 Cleavage of isoxazole rings, reduction to amine, cyclization, lactonization; anticarcinogenic agents
04/30/1991US5011929 From protected azidolactone by reduction and cyclization
04/30/1991US5011845 Cyclic diesters of 4-hydroxy-1,3-benzenedimethanol and compositions and methods employing such compounds
04/24/1991EP0424350A1 Derivatives of 1,4-dideoxy-1,4-imino-d-mannitol
04/24/1991EP0424349A1 Synthesis of 1,4-dideoxy-1,4-imino-D-mannitol
04/24/1991EP0423562A2 Polycarbonates with improved dimensional stability under heat
04/24/1991EP0423445A1 13-alkyl-23-imino and 13-halo-23-imino derivatives of LL-F28249 compounds and their use as endo- and ectoparasiticidal insecticidal, acaricidal and nematocidal agents
04/24/1991EP0423127A1 Novel photoactive compounds, processes for their production and intermediates therefor
04/24/1991CN1050877A Demethyl blister bug imide n-alkyl derivative compounding method
04/24/1991CN1050876A Acrylic polymer stabilizator compounding method
04/21/1991CA2028076A1 Synthesis of swainsonine and analogs thereof
04/17/1991EP0422818A1 New polyether antibiotic
04/16/1991US5008407 Hydrolyzing carbonate-protected oxidized enol ether under acid conditions
04/16/1991US5008250 Parasiticides
04/16/1991US5008191 Pesticides, insecticides, anthelmintics, antibiotics
04/12/1991CA2024844A1 Method for azide displacement of alpha-triflates of 1,5-lactones
04/11/1991CA2026716A1 Polyether antibiotic
04/11/1991CA2025661A1 Method of improving post-ischemic myocardial function using a thromboxane a antagonist in combination with a thrombolytic agent and combination
04/10/1991EP0421634A2 Use of bis(3,4-dialkylbenzylidene) sorbitol acetals and of compositions containing it
04/10/1991EP0421568A1 Macrolide compounds
04/10/1991EP0421329A2 Process for preparation of diacetal compounds
04/10/1991EP0421081A1 Process for the preparation of 23-(C1-C6 alkyloxime)LL-F28249 compounds
04/09/1991US5006539 Thromborane inhibitor
04/09/1991CA1282787C Synthesis of aryloxypropanolamines and arylethanolamines
04/04/1991WO1991004256A1 Gamma alkylation of a protected derivative of the enone of spectinomycin
04/03/1991EP0420024A2 Fluoran compounds, process for preparation thereof and recording materials comprising said compound
04/02/1991US5004565 Method and compositions providing enhanced chemiluminescence from 1,2-dioxetanes
03/1991
03/28/1991WO1991004970A1 Cyclic peroxyacetal lactone, lactol and ether compounds
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