Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › C07D 487 - Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups
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)
08/1991
08/20/1991US5041549 Heterocyclic spiro compounds and methods for preparing the same
08/20/1991US5041548 Method for the preparation of triethylene diamines
08/20/1991US5041456 Pharmaceutically useful 3-(indol-3-yl)-1,2,4-oxa- and thiadiazoles substituted in the 5-position by an amino containing group
08/20/1991US5041157 Protecting soybeans or cereals
08/20/1991US5041078 Photodynamic viral deactivation with sapphyrins
08/17/1991WO1991012254A1 Substituted urea compounds and their preparation and use
08/17/1991CA2074803A1 Substituted urea compounds and their preparation and use
08/14/1991WO1991012001A1 Angiotensin ii antagonists incorporating a substituted benzyl element
08/14/1991WO1991011999A1 Angiotensin ii antagonists incorporating a substituted benzyl element
08/14/1991EP0441598A2 Spiroisoindole compounds
08/14/1991EP0441517A2 Tricyclic amines as novel cholinesterase inhibitors
08/14/1991EP0441349A1 Pyrroloazepine derivatives
08/14/1991EP0441339A1 Substituted triazolopyridazines
08/14/1991EP0440659A1 Substituted phenyltriazolopyrimidine herbicides
08/14/1991CN1053839A Automatic pseudokeyphasor generator
08/14/1991CN1013495B Process for the preparation of crystalline form of 7-(dimethylaminomethylene) amino-9a-methoxymitosane
08/14/1991CN1013494B Method for producing 3-aminopyrazole (3,4-d) pyrimidine derivatives
08/14/1991CA2075637A1 Angiotensin ii antagonists incorporating a substituted benzyl element
08/14/1991CA2075627A1 Angiotensin ii antagonists incorporating a substituted benzyl element
08/13/1991US5039801 Thermal fragmentation of methylbenzylurea disastereomers or secondary amines and preparation of optically active secondary amines
08/13/1991US5039691 5-(1-(imidazol)methyl)-3,3-disubstituted-2(3H)furanone derivatives
08/13/1991US5039689 Antiparasitic 3(4-amino benzotriazo-1-yl-)1,2-cyclopentanediols
08/13/1991US5039681 Cognition activators, brain disorders, psychology
08/13/1991CA1287632C Quinazolinone compounds and processes for the preparation thereof
08/09/1991WO1991012237A1 Benzenesulfonamide derivative
08/09/1991CA2050591A1 Benzenesulfonamide derivatives
08/09/1991CA2035966A1 Compounds
08/07/1991EP0440145A1 Hexahydropyrrolo[2,3-b]indole carbamates,-ureas,-amides and related compounds, a process for their preparation and their use as medicaments
08/07/1991EP0440119A1 Imidazopyridazine compounds, their production and use
08/07/1991CN1053611A Crystalline hydrochloride of new beta-lactam antibiotic and process therefor
08/06/1991US5037993 Sulfonyl derivatives of an antibiotic substance isolated from streptomyces
08/06/1991US5037980 Anxiolytic agents, hypotensive agents
08/06/1991US5037838 Method for the manufacture of triethylenediamine using a pelleted titania-supported tungstopyrophosphate catalyst
08/06/1991US5037834 Heterocycylic-substituted quinoline-carboxylic acids
08/01/1991WO1991011438A1 Arthropodicidal pyrazolines, pyrazolidines and hydrazines
08/01/1991CA2074179A1 Arthropodicidal pyrazolines, pyrazolidines and hyrazines
07/1991
07/31/1991EP0439387A2 Binuclear metal macrocyclic and macrobicyclic complexes for oxygen separation and transport
07/31/1991EP0439353A1 Crystalline hydrochloride of new beta-lactam antibiotic and process therefor
07/31/1991EP0439215A1 Pyrazolo [1,5A]benzimidazole photographic colour couplers
07/31/1991EP0438796A2 Process for the enantioselection synthesis of alkylated oxindoles used as intermediates in the preparation of physostigmine
07/31/1991EP0438458A1 Substituted indazoles as arthropodicides
07/31/1991EP0438446A1 Pyridazinone-, pyrazolone- and pyridone-naphtheridinone compounds, cardiotonic compositions including same, and their uses
07/30/1991US5036153 Preparation of 2,5-diazabicyclo[2.2.1]heptanes and intermediates
07/30/1991US5036082 Insectidical nitro-substituted heterocyclic compounds
07/30/1991US5035987 Development inhibitor releasing couplers
07/30/1991CA1287049C Nitrofuran derivatives, their preparation and compositions containing them
07/25/1991WO1991010667A1 Porphyrin derivatives and metalloporphyrins optionally coupled with a biologically active molecule, and pharmaceutical composition containing same
07/25/1991WO1991008775A3 Maleic anhydride derivatives used as conjugation agents of anti-tumor agents on desired carriers
07/24/1991EP0438311A2 Di- and tripeptide renin inhibitors
07/24/1991EP0438261A2 Condensed heterocyclic glutamic acid derivatives, their production and use
07/24/1991EP0437586A1 Substituted phenyl meso-tetraphenyl porphyrins.
07/24/1991CA2034742A1 Binuclear metal macrocyclic and macrobicyclic complexes for oxygen separation and transport
07/23/1991WO1991010668A1 Herbicidal sulfonylureas
07/23/1991US5034530 Imidazoquinoxaline compounds and their preparation and use
07/23/1991US5034417 New alkanesulfonanilide derivatives, processes for preparation thereof and pharmaceutical composition comprising the same
07/23/1991US5034398 1H-indazole-3-carboxamide-N-2-azabicyclo[2.2.2]octanes useful for treating anxiety, psychosis, neuralgia, migraine and cluster headaches
07/23/1991US5034393 Fungicidal use of pyridopyrimidine, pteridine, pyrimidopyrimidine, pyrimidopyridazine, and pyrimido-1,2,4-triazine derivatives
07/23/1991US5034379 Pharmaceutical formulation containing azapropazone
07/23/1991US5034051 Heterocyclic compounds
07/23/1991CA2074163A1 Herbicidal sulfonylureas
07/23/1991CA2034668A1 Process for the enantioselection synthesis of alkylated oxindoles used as intermediates in the preparation of physostigmine
07/20/1991WO1991010669A1 Chelating compounds
07/20/1991WO1991010645A2 Chelants
07/20/1991CA2074171A1 Chelants
07/20/1991CA2072080A1 Chelating compounds
07/20/1991CA2034524A1 Di- and tripeptide renin inhibitors containing non-peptidal conformationally-constrained tripeptide mimic for leu10-val11-ile12
07/17/1991EP0437415A2 Crystalline form of the hydrochloride of 4-(5,6,7,8-tetrahydroimidazo[1,5-a]pyridin-5-yl)-benzonitrile
07/17/1991CA2034292A1 Condensed heterocyclic compounds, their production and use
07/16/1991US5032594 Tricyclic fused pyrimidine derivatives, their production and use
07/16/1991US5032592 Alkene, alkyne or cycloalkylene derivatives
07/16/1991US5032497 Silver halide color photo-sensitive material
07/16/1991US5032495 Tetraazaporphyrins and optical recording medium
07/11/1991WO1991009861A1 Sapphyrins, derivatives and synthesis
07/11/1991WO1991009631A2 Photodynamic viral deactivation with sapphyrins
07/10/1991EP0436245A1 Substituted 3,4-annelated benzimidazol-2(1H)-ones
07/10/1991CN1013115B Process for preparing pyrimidoisoquinoline derivatives
07/09/1991US5030640 Novel β-adrenergic agonists and pharmaceutical compositions thereof
07/09/1991CA1285944C N-(2-fluorophenyl)-azolidines
07/09/1991CA1285940C Carbapenems having a 2-quaternary heteroarylalkylthio substituent
07/04/1991DE4040469A1 New bis:cationic acid amide and imide substd. borate cpds. - prepd. from cpd. with different anion, useful as colourless charge transfer agent in toner
07/04/1991DE4040468A1 Bis:cationic acid amide and imide cpds. - used as charge transfer agents in toner and charge controllers for powder and powder paint
07/03/1991EP0435090A2 Synthesis of metal complexes of Bis- (1,2,6,7 -Tetracyano-3,5-diimino-3,5-dihydropyrrolyzinide)
07/03/1991EP0434727A1 Red-shifted phthalocyanine and tetrabenztriazaporphyrin reagents
07/03/1991CN1013037B Process for the mfr. of novel triazolopyrimidine
07/02/1991USH938 Removal of hydroxide ion from alkoxide ion solutions
07/02/1991US5028705 Preparation of pyrazolo[5,1-b]quinazolones
07/02/1991US5028621 Drugs comprising porphyrins
07/02/1991US5028608 N-(6-Amino-(pyrrolo(2,3-d)pyrimidin-3-ylacyl) )-glutamic acid derivatives
07/02/1991US5028607 Bis(aryl)alkene compounds
07/02/1991US5028605 Antispasmodic, bronchodilators, uterine relaxants, cardiac analeptics, neurosedatives
07/02/1991CA1285567C Disulfide derivatives of pyrroloindole
07/02/1991CA1285563C Ureidoalkanoylaminocarbonyl amino and imino acids and esters
06/1991
06/29/1991WO1991010172A1 Biscationic acid amide and acid imide derivatives as charge controllers
06/29/1991WO1991009835A1 Biscationic acid amide and acid imide derivatives and process for preparing them
06/29/1991CA2072560A1 Biscationic acid amide and acid imide derivatives as charge controllers
06/29/1991CA2032927A1 Synthesis of the carbanion 1,1,2-tricyano-2-(3,4-dicyano-5-imino-2,5-dihydro-1h-pyrrol-2-ylidene) ethanide
06/28/1991CA2032885A1 Substituted 3,4-annelated benzimidazol-2(1h)-ones
06/27/1991WO1991009034A1 Indolocarbazoles from saccharothrix aerocolonigenes subsp. copiosa subsp. nov. scc 1951 atcc 53856
06/27/1991WO1991008775A2 Maleic anhydride derivatives used as conjugation agents of anti-tumor agents on desired carriers
06/26/1991EP0434624A1 Triazolylsulfonamides
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