Patents
Patents for C07D 491 - Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or (29,726)
11/1990
11/06/1990CA1276029C Thermal imaging method
11/06/1990CA1276014C 2-heterocyclylthio penems
11/01/1990WO1990012574A1 Dopamine agonist compounds
10/1990
10/31/1990EP0394224A1 Herbicidal sulfonamides
10/30/1990US4966902 Insecticides, miticides
10/29/1990WO1990013293A1 Cytochalasin compositions and therapeutic methods
10/29/1990CA2031520A1 Cytochalasin compositions and therapeutic methods
10/25/1990DE3913757A1 New imidazoline-2-acrylic acid derivs. - and related cpds., useful as selective herbicides
10/23/1990US4965258 Anticoagulant; thromboxane a2 antagonist
10/17/1990CN1046162A 5-alkylquinolonecarboxylic acids
10/16/1990US4963684 Process for preparing cotarnine
10/16/1990US4963683 Ozonoylsis of vinylsilanes
10/16/1990CA1275290C Fluorine-containing n-sulphenylated indazoles, a process for their preparation and their use
10/10/1990EP0391169A2 Enantiomeric pure 7-(3-amino-1-pyrrolidinyl)-chinolon-and-naphthyridon carboxylic acids
10/10/1990EP0391132A1 5-Alkylquinolinone carboxylic acids
10/10/1990EP0390842A1 Novel benzimidazole derivatives
10/07/1990WO1990011760A1 Heteroaryl-3-oxo-propanenitrile derivatives useful in the treatment of rheumatoid arthritis and other autoimmune diseases
10/07/1990CA2030530A1 Heteroaryl-3-oxo-propanenitrile derivatives useful in the treatment of rheumatoid arthritis and other autoimmune diseases
10/03/1990EP0390532A2 Anthelmintic bioconversion products
10/03/1990EP0389813A1 A method for preparing a photochromic material
10/03/1990EP0348494A4 Dioxetanes for use in assays
10/03/1990CN1045785A Synthesis of isoquinoline, 2-quinazolone, and protoberberine deriv for curing cardiovascular diseases
10/03/1990CN1045784A Treatment of yellow residue from camptothecin production
10/03/1990CN1009826B Process for preparing quinolyl compounds
10/02/1990WO1990012015A1 Dihydropyridine antiallergy agents
10/02/1990US4960909 7-oxabicyclo[2.2.1] heptane sulfonamide derivatives
10/02/1990US4960902 Trifluoromethoxy substituted 1,3,4,9-tetrahydropyrano-[3,4-b]indole-1-acetic acids
10/02/1990US4960901 Colorless di-or triarylmethane compound; decyclizing to colored form
10/02/1990US4960891 Process for the preparation of decahydro-8H-isoquino[2,1-g][1,6]naphthyridine derivatives
10/02/1990US4960785 Aldose reductase inhibitors
10/02/1990US4960784 Insecticidal substituted indazoles
10/02/1990US4960678 Photochromic compounds
10/02/1990CA2048684A1 Antiallergy agents
09/1990
09/30/1990CA2013412A1 Anthelmintic bioconversion products
09/26/1990EP0389423A1 Peroxide compounds containing hindered amine moieties with low basicity
09/26/1990EP0389419A1 Non-migrating 1-hydrocarbyloxy hindered amine compounds as polymer stabilizers
09/25/1990US4959368 Therapeutic agent for neurological diseases
09/25/1990US4959360 α-adrenergic receptor antagonists
09/20/1990WO1990010623A2 Arthropodicidal tetrahydrobenzopyranopyrazoles
09/19/1990EP0387595A2 Heterocyclic compounds
09/19/1990EP0387360A1 Cyanine compounds
09/19/1990EP0387357A1 Indolenine derivatives
09/19/1990CN1045393A Arthropodicidal tetrahydroben-zopyranopyrazoles
09/12/1990EP0387156A2 A process for preparing cotarnine
09/12/1990EP0386892A2 Arthropodicidal tetrahydrobenzopyranopyrazoles
09/12/1990EP0386839A2 Tetrahydroquinoline derivatives useful for neurodegenerative disorders
09/12/1990EP0386001A1 Herbicidal sulfonamides
09/12/1990CN1045266A Extracting camptothecine from false "chailong" tree
09/11/1990US4956460 Diazotization, coupling with cyanoacetic ester, alkylation, hydrolysis and chlorination, cyclization and hydrolysis of nitrile
09/11/1990US4956365 Decahydro-8H-isoquino(2,1-g)(1,6)naphthyridine derivatives and related compounds
09/11/1990US4956352 Tricyclo compounds, a process for their production and a pharmaceutical composition containing the same
09/11/1990CA1273938A1 O-SULFATED .beta.-LACTAM HYDROXAMIC ACIDS
09/11/1990CA1273928A1 Hexahydroindolizine compounds, pharmaceutical compositions and methods and intermediates
09/09/1990CA2011094A1 Arthropodicidal tetrahydrobenzopyranopyrazoles
09/08/1990CA2011686A1 Tetrahydroquinoline derivatives useful for neurodegenerative disorders
09/05/1990EP0385775A1 Herbicidal sulfonamides
09/05/1990EP0385489A1 Azacyclooctadiene compound and pharmaceutical use
09/05/1990EP0385407A2 A photochromic material
09/03/1990CA2010742A1 Azacyclooctadiene compound and pharmaceutical use
08/1990
08/29/1990WO1990010007A1 Spiropyran compounds
08/29/1990EP0384676A1 Alpha-adrenergic receptor antagonists
08/29/1990EP0384313A1 Quinoline-4-carboxylic acid derivatives and their application
08/28/1990US4952703 Analgesics, antiinflammatory agents
08/28/1990US4952694 Novel resolution process for racemic spiro-hydantoins
08/28/1990US4952620 Photolytically cleavable N-acylated sterically hindered amines
08/28/1990US4952602 Treatment of arteriosclerosis
08/28/1990US4952572 Also used as antitumor and bactericides
08/28/1990CA1273340A1 Furo- or pyrrolo-pyridine compounds, their preparation and pharmaceutical compositions containing them
08/28/1990CA1273336A1 Herbicidal heterocyclic carbonyl sulfonamides
08/22/1990EP0383117A2 Pyridine-substituted esters of acrylic acid
08/21/1990US4950677 Benzimidazole derivative compounds and method of making
08/16/1990DE3903973A1 Novel heterocyclic compounds, their preparation and their use
08/15/1990CN1009197B Process of producing n, 3-disubstituted 2-oxindole-1-carboxamides analgesic
08/14/1990US4948799 Imide derivatives, and their use in pharmaceuticals
08/14/1990US4948796 Piperazine derivative or its salt, process for producing the same and pharmaceutical composition comprising the same as active ingredient
08/14/1990CA1272728A2 Substituted thieno-and furoimidazopyrrolspyridinedione compounds having herbicidal activity
08/09/1990DE3940074A1 Kondensierte 3-oxo-propannitrilderivate und verfahren zu ihrer herstellung Fused 3-oxo-propannitrilderivate and processes for their preparation
08/07/1990US4946961 Herbicides
08/07/1990US4946494 Plant growth regulators
08/07/1990CA1272483A1 Phenoxyalkylaminopyrimidine derivatives, their preparation and insecticidal and acaricidal compositions containing them
08/01/1990EP0379623A1 Production of high purity alkaloids
07/1990
07/25/1990EP0254737B1 Fused benzazepines
07/25/1990CN1044098A Compound having vessel smooth muscle relaxation activity
07/24/1990US4943642 Polymer intermediates, curing agents
07/24/1990US4943587 Indole compounds, treatment of arthritis, pain or fever
07/24/1990US4943579 Anticancer agents
07/18/1990EP0377633A1 Peroxide free radical initiators containing hindered amine light stabilizer groups.
07/18/1990CN1043935A Substituted semicarbazone arthropodicides
07/17/1990US4942235 Condensation, hydrogenation, cyclization
07/17/1990CA1271752A1 6-aminomethyl-furo-(3,4-c)-pyridine derivatives their preparation and therapeutic compositions containing the same
07/12/1990WO1990007495A1 Substituted semicarbazone arthropodicides
07/12/1990DE3900332A1 Diesters and lactones of cyclic amines, and their preparation by intramolecular olefin cyclisation of activated imines
07/11/1990EP0377304A2 Substituted semicarbazone arthropodicides
07/11/1990CN1008733B Preparation of 3-substituted 2-oxindole-1-carboxamides as analgesic and anti-inflammatory agents
07/10/1990US4940795 Heterocyclic spiro compounds and methods for preparing the same
07/10/1990US4940703 Spirocyclic compounds incorporating five-membered rings with two heteroatoms for treating psychotic disorders, etc.
07/04/1990EP0376870A1 A new organosilylpolyphosphoric reagent, its preparation and application to the process of synthesis of 3-carboxyquinolones or azaquinolones and their salts
07/04/1990EP0376524A1 Benzopyran and related compounds
07/04/1990EP0376166A1 Condensed quinoline system compound and process of preparation thereof
07/03/1990US4939255 Hexa-cyclic camptothecin derivatives