Patents
Patents for C07D 487 - Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups (57,272)
05/1990
05/02/1990EP0366561A2 1-Azabicycloalkane derivatives, process for their preparation and their use as medicines
05/02/1990EP0366440A2 Naphthalocyanine derivatives, production thereof, optical recording medium using the same, and production thereof
05/02/1990EP0366304A2 Heterocyclic derivatives, process for their preparation and pharmaceutical compositions containing them
05/02/1990EP0366193A2 Novel antimicrobial quinolonyl lactams
05/02/1990EP0366189A2 Novel antimicrobial lactam-quinolones
05/02/1990EP0366059A2 Carbocyclic nucleoside analogs
05/02/1990EP0365956A2 Carcinostatic agents
05/02/1990EP0365849A2 Novel 2'-halomethylidene, 2'-ethenylidene and 2'-ethynyl adenosine derivatives
05/01/1990US4921968 Blue dyes for color photography
05/01/1990US4921858 7-deazaguanines as immunomodulators
05/01/1990US4921855 New Histidyl amino acid derivatives, and pharmaceutical composition comprising the same
05/01/1990US4921782 Magenta coupler monomer, a polymeric magenta coupler and a color photographic recording material containing the polymeric magenta coupler
04/1990
04/30/1990CA2000931A1 Photographic element and process
04/30/1990CA2000568A1 Photographic material and process comprising a pyrazoloazole dye-forming coupler
04/28/1990CA2001686A1 Novel derivatives of 1-azabicycloalkanes, process for their preparation and uses as drugs
04/27/1990CA2001494A1 Carcinostatic agents
04/26/1990CA2001301A1 Use of bicyclic imidazole compounds for the treatment of hyperaldosteronism
04/25/1990EP0365201A1 Substituted indazoles as arthropodicides
04/25/1990EP0365041A1 DC-88A derivatives
04/25/1990EP0364797A2 N-aryl-nitrogenated heterocycles, process for their preparation and their use as herbicides
04/25/1990CN1041593A Process for 1-carba (dethia) cephalosporins
04/25/1990CA2001318A1 Carbocyclic nucleoside analogs
04/24/1990US4920143 Hydro-monobenzoporphyrin wavelength-specific cytotoxic agents
04/24/1990US4920120 3-carboxy, 4-oxo, 6-fluoro, 7-nitrogen-containing ring 1,4-dihydro-1,8-naphthyridines
04/24/1990US4920119 Triazine derivatives
04/24/1990US4920107 1-methyl-3,5,7-triaza-1-azoniatricyclodecane compounds, a method for preparing these compounds, and their use in the control of microorganisms in aqueous systems
04/19/1990WO1990004183A1 Method for preparation of thiohydantoins and for protein sequence analysis
04/19/1990WO1990003969A1 Substituted indazoles as arthropodicides
04/19/1990WO1990003790A1 Pyridazinone-, pyrazolone- and pyridone-naphtheridinone compounds, cardiotonic compositions including same, and their uses
04/19/1990WO1990003789A1 PYRROLO[1,2-a]IMIDAZOLE AND IMIDAZO[1,2-a]PYRIDINE DERIVATIVES AND THEIR USE AS 5-LYPOXYGENASE PATHWAY INHIBITORS
04/18/1990EP0364279A2 Photographic couplers and photographic materials containing them
04/18/1990EP0364204A1 Pyrrolo[1,2-a]imidazole and imidazo[1,2-a]pyridine derivatives and their use as 5-lipoxygenase pathway inhibitors
04/18/1990EP0363466A1 Novel compounds
04/18/1990EP0363415A1 Compounds for the treatment of alzheimer's disease
04/18/1990CN1041364A Process for preparing substituted imidazol (2,1-b) quinazolin-5(3h)-ones and related tricyclic compounds
04/17/1990US4918190 Crystalline complex compounds of propargyl alcohols and tertiary diamines, and process of separation and purification of propargyl alcohols using the same
04/17/1990US4918074 Calcium antagonists
04/13/1990CA2000041A1 Compounds
04/11/1990EP0363085A2 Novel compounds
04/11/1990EP0363040A2 Herbicides
04/11/1990EP0363034A2 Polycyclic dyes
04/11/1990EP0362942A2 Benzoxazepinone process
04/11/1990EP0362695A1 Pyrrolocarbazole derivatives, processes for their preparation and their use as medicaments
04/11/1990EP0362555A1 Piperazinediones having psycotropic activity
04/11/1990EP0362216A1 Insecticidal substituted indazoles
04/11/1990CA2000509A1 Substituted indazoles as arthropodicides
04/11/1990CA2000258A1 Pyrrolo[1,2-a]imidazole and imidazo[1,2-a]pyridine derivatives and their use as 5-lipoxygenase pathway inhibitors
04/10/1990US4916711 Fluorescent tri-cyclic dye
04/10/1990US4916240 Dyes for polyester textiles
04/10/1990US4916224 Viricides for treating human immunodeficiency virus infection
04/10/1990US4916221 Fluorine-containing protoporphyrin derivatives and their salts
04/10/1990US4916140 Calcium channel blockers
04/10/1990US4916137 5-(Substituted-amino)-8-(phenyl or substituted-phenyl)-3H,6H-1,4,5A,8A-tetraazaacenaphthylen-3-ones and treatment of neural behavior disorders
04/10/1990US4916124 Active against dna viruses, cancer
04/10/1990US4916051 Silver halide color photographic light-sensitive material
04/05/1990WO1990003370A1 DERIVATIVES OF PYRAZOLO[3,4-d]PYRIMIDINE
04/04/1990EP0361936A2 Lasing compositions and methods for using the same
04/04/1990EP0361382A2 Antiepileptic pyrazolopyridines
04/04/1990CN1040981A 三环化合物 Tricyclic compounds
04/03/1990US4914211 Pigment compositions
04/03/1990US4914209 Photographic couplers
04/03/1990US4914201 Chemical intermediates for analgesics
04/03/1990US4914104 Imidazo [1,5-a]pyrimidine derivatives and process for their preparation
04/03/1990US4914102 Alleviating memory dysfunctions characterized by cholinergic deficit
04/03/1990US4914095 Schizophrenia
04/03/1990CA2000042A1 Compounds
03/1990
03/28/1990EP0360390A1 Spirolactam derivatives
03/28/1990EP0360261A1 Substituted Imidazol[2,1-b] quinazolin-5(3H)-ones and related tricyclic compounds
03/28/1990EP0360079A1 Tricyclic compounds, processes for their preparation and pharmaceutical compositions comprising them
03/28/1990EP0360077A2 Use of serotonin antagonists in the treatment of apoplexia cerebri
03/27/1990US4912107 Cardiovascular disorders
03/27/1990US4912104 Tricyclic fused pryimidine derivatives, and their use as pharmaceuticals
03/27/1990US4912006 Electrostatic toner
03/27/1990US4911747 Applying to (mono- or di-)cotyledonous plant, or soil
03/27/1990CA1267145A1 Octahydroindolo ¬2,3-a| quinolizin-1-yl- alkanecarboxylic acid amides and their therapeutically useful acid addition salts, pharmaceutical compositions containing them and process for preparing same
03/27/1990CA1267143A1 Anti-arthritic 7-phenylpyrazole[1,5-a]-1,3,5- triazine derivatives
03/27/1990CA1267027A1 Silver halide color photographic material
03/22/1990WO1990002747A1 Red-shifted phthalocyanine and tetrabenztriazaporphyrin reagents
03/22/1990WO1990002737A1 Nasal administration of benzodiazepine hypnotics
03/21/1990EP0359540A2 Process for 1-carba(dethia) cephalosporins
03/21/1990EP0359480A1 Mitomycin derivatives
03/21/1990EP0359341A2 1,6-diazaspiro[4,4]nonane-2,7-dione derivatives
03/21/1990EP0359340A2 Spirodilactam polymers
03/21/1990EP0358749A1 1,4-SUBSTITUTED-2,3,5,6-TETRAHYDRO 1,3,6]TRIAZOCINO 1,2-a]BENZIMIDAZOLES AND INTERMEDIATES THEREFOR
03/21/1990CN1040593A Mitomycin derivatives having reduced bone marrow toxicity, processes for their preparation, and uses thereof
03/20/1990US4910306 Preparation of substituted 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonanilides
03/20/1990US4910199 Imidazo[1,2-]pyridazines for cortical cholinergic deficiencies
03/20/1990US4910124 Pyrazoloazole coupler
03/20/1990CA1266862A1 Antiviral compounds
03/14/1990EP0358080A2 Silicon naphthalocyanine with unsaturated ligands, and optical recording medium
03/13/1990US4908457 1,2,4,5-benzoylenebis(anthraquinone[1,2-d]imidazole) compounds
03/13/1990US4908442 May have metal complexed therein
03/13/1990US4908379 Insecticides, acaricides, nematocides, fungicides
03/13/1990US4908366 Bactericides
03/13/1990US4908056 Heterocyclic acyl sulfonamides
03/12/1990EP0264429A4 ENZYMATIC PROCESS FOR PREPARING OPTICALLY-ACTIVE 1,2-DIHYDRO-3H-PYRROLO 1,2a]PYRROLE-1-CARBOXYLIC ACID DERIVATIVES.
03/08/1990WO1990002123A1 Amino-substituted bridged azabicyclic quinolone carboxylic acids and esters
03/08/1990WO1990001931A1 Mitomycin derivatives having reduced bone marrow toxicity, processes for their preparation, and the uses thereof
03/07/1990EP0357417A1 Lactam derivatives
03/07/1990EP0357416A2 Use of serotonin antagonists in the treatment of drug addiction