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)
11/1981
11/17/1981US4301186 For in situ decomposition by radiation to produce amines for hardening a polyurethane or epoxy resin monomers solution
11/17/1981US4301075 N-Substituted imides and bis-imides
11/10/1981US4299971 Triazolobenzazepines
11/03/1981US4298734 Phosphodiesterase inhibitors, bronchodilators, peripheral vasodilators
10/1981
10/27/1981US4297279 Chemical intermediate for modified a-aminopenicillins and -cephalosporins
10/27/1981CA1111431A1 Process for the preparation of 5-substituted-1,2- dihydro-3h-pyrrolo¬1.2-a|-pyrrole-1-carboxylic acids from their corresponding nitriles
10/20/1981US4296239 Animal tranquilizers
10/20/1981CA1111043A1 N,n' dichlorobicyclo¬2.2.2| oct-7-ene-2,3,5,6- tetracarboxylic-2,3,5,6-diimide
10/20/1981CA1111033A1 Thioxopyrazolo[1,5-c]quinazoline derivatives and related compounds
10/20/1981CA1111027A1 Novel 8-aza-6-purinones
10/15/1981WO1981002834A1 Heme concentrate and method for the preparation thereof
10/06/1981US4293691 Method for preparing magenta couplers having thioether groups
10/06/1981US4293554 6-phenyl-1,2,4-triazolo(4,3-b/pyridazin-3/2h/one
09/1981
09/29/1981US4292241 Thienamycins; penicillinase inhibitors
09/29/1981CA1109870A1 Azolopyrimidinones
09/22/1981US4291033 Oxoimidazoquinoxalines
09/22/1981CA1109465A1 PROCESS FOR THE PRODUCTION OF NEW IMIDAZOLE COMPOUNDS, AND CONVERSION OF SAID COMPOUNDS INTO (R)-3-(2-DEOXY- .beta.-D-ERYTHRO-PENTOFURANOSYL)-3,6,7,8- TETRAHYDROIMIDAZOL ¬4,5-D| ¬1,3|-DIAZEPIN-8- OL
09/16/1981EP0035749A1 Heterocyclic compounds, their preparation and pharmaceutical compositions containing them
09/15/1981US4289881 Process for the preparation of 1,4-diazabicyclo-(2,2,2)-octane
09/15/1981US4289784 Pyromellitic diimides and method of increasing feed efficiency in ruminant animals
09/15/1981US4289686 Tetra-alkyl piperidine derivatives as light stabilizers
09/15/1981CA1109067A1 Preparation of 6,7-dichloro-1,5-dihydroimidazo ¬2,1- b| quinazolin-2(3h)-one
09/09/1981EP0035474A1 Amidines, process for their production, pharmaceutical preparations containing them and their use
09/08/1981US4288595 Antibacterial, antimalaria
09/08/1981US4288365 Pyrido derivatives
09/02/1981EP0034950A2 Heterocyclic 4- and 6-equivalent photographic colour couplers and photographic materials and developer compositions containing them
09/01/1981CA1108146A1 Octahydro-indolo [2,3-a] quinolizine compounds
09/01/1981CA1108134A1 Preparation and purification of citrovorum factor
08/1981
08/26/1981EP0034529A1 Triazoloquinazolinone derivatives and their acid addition salts, their preparation, their use as medicaments and compositions containing them
08/25/1981US4286090 Novel tetrazolo [4,5-C][1,2,3]benzotriazines
08/19/1981EP0033974A1 Benzodiazepine derivatives, intermediates and processes for preparing them, their use and pharmaceutical compositions containing them
08/19/1981EP0033830A1 Process for preparing polycyclic compounds that contain nitrogen
08/18/1981US4284775 1,4-Diazabicyclooctane di-N,N'-quaternized compounds
08/18/1981US4284773 1,2,3,5-Tetrahydroimidazothienopyrimidin-2-ones
08/18/1981US4284563 9,10,11,12,12-Pentachloro 4,6-dioxa-5-thia-1-aza-tricyclo[7.2.1.02,8 ]d
08/18/1981US4284559 10-Hydroxy-1,2,3,4,10,14b-hexahydrodibenzo-[c,f] pyrazino-1,2a-azepines
08/12/1981EP0033503A2 Medicaments with cytostatic activity and use of cyclic compounds, in which the heterocyclic N-ring atoms are substituted by several glycidyl groups, in pharmaceutical compositions
08/11/1981US4283536 Psychopharmacologic agents
08/11/1981US4283531 Hydroxyalkylation
08/04/1981US4282361 Synthesis for 7-alkylamino-3-methylpyrazolo [4,3-d]pyrimidines
08/04/1981US4282229 Hydantoin derivatives as therapeutic agents
08/04/1981US4282226 Thioxopyrazolo[1,5-c]quinazoline derivatives, anti-allergic compositions and methods for treating allergic conditions by parenteral administration, aerosol or insufflation
08/04/1981US4282027 Tri/penta/aza-tetracyclo-dodeca/enes/dienes or diecaenes
08/04/1981CA1106371A1 Tricyclic quinazolines and their preparation and use
07/1981
07/29/1981EP0032856A1 2,3-Dihydroimidazo (1,2-b) pyridazine derivatives, process for their preparation and their therapeutical use
07/28/1981US4281142 Imidazolecarboxaldehydes
07/28/1981US4281000 Substituted pyrazolo (1,5-a)pyrimidines and their use as anxiolytic agents
07/28/1981US4280957 Imidazodiazepines and processes therefor
07/28/1981US4280946 Oxidation and heat resistant acrylic imide polymer products
07/22/1981EP0032199A1 Plant growth regulating agents, their preparation and their use
07/21/1981US4279910 Hypotensive
07/14/1981US4278793 Cephem derivative
07/14/1981US4278673 Enzyme inhibitors, antispasmodic agents, bronchodilators
07/14/1981CA1105028A1 Production of heterocyclic benzamide compounds
07/14/1981CA1105014A1 Substituted 2,3-dihydroimidazo¬1,2-c| pyrimidines, anti-viral agents
07/14/1981CA1105007A1 Ergot peptide alkaloid derivatives
07/08/1981EP0031509A1 Penem derivatives
07/07/1981CA1104567A1 Cycloalkyltriazoles and process for obtaining same
07/07/1981CA1104566A1 Process for the manufacture of azatetracyclic compounds
07/01/1981EP0031115A1 New pyrrolobenzotriazepines, their production and pharmaceutical compositions containing them
07/01/1981EP0031042A1 N-Dichloroacetyldiazabicyclo derivatives, process for their preparation, herbicides containing acetanilides as herbicidal agents and these N-dichloroacetyldiazabicyclo derivatives as antidotes and their use to combat undesired plant growth
06/1981
06/23/1981US4275066 Antireproductive tricyclic ortho-fused nitrogen containing compounds
06/23/1981US4275014 N-(Oxazolidinothio) imides that provide scorch retardant nonblooming elastomeric compositions
06/23/1981CA1103670A1 1,2,4-triazin-5-ones
06/16/1981US4273778 Pharmaceutically active aza-bicyclo-benzamide derivatives
06/16/1981US4273773 In combination with a diuretic
06/16/1981US4273713 Phenyl and lower alkyl substituted pyrrole-3-acrylonitriles
06/16/1981CA1103241A1 Catalyst and method of manufacture and use thereof
06/16/1981CA1103240A1 Catalytic composition of matter comprising a metal phthalocyanine
06/10/1981EP0030156A1 Quinazoline derivatives, processes for their preparation and pharmaceutical compositions containing them
06/10/1981EP0030031A2 6-(1-Hydroxyethyl)-2-(2-aminoethylthio)-1,1-disubstituted-1-carbadethiapen-2-em-3-carboxylic acids, a process for preparing the same, an antibiotic pharmaceutical composition comprising the same, intermediates useful in a synthesis of that kind and processes for preparing intermediates suitable for the synthesis of that kind
06/10/1981EP0030015A2 Triazolobenzazepines, intermediates, process for their preparation and compositions containing them
06/10/1981EP0029990A1 Biphenylmethane derivative, methods for its production and pharmaceutical compositions containing it
06/09/1981US4272439 6-(Substituted-hydroxymethylene penams)
06/09/1981CA1102809A1 5-aroyl-1,2-dihydro-3h-pyrrolo ¬1,2-a|-pyrrole-1- carboxylic acid derivatives and process for the production thereof
06/03/1981EP0029559A2 5,10-dihydroimidazo(2,1-b)quinazolines, their production and pharmaceutical compositions containing them
06/02/1981US4271073 6-Substituted-9-(2-hydroxyethyl)-1,2,3,4-tetrahydro carbazol-1-one
06/02/1981CA1102323A1 Diarylbutylpiperazines
06/02/1981CA1102322A2 Azetidinones and their production and use
05/1981
05/27/1981EP0029130A1 3,6,7,8-Substituted-s-triazolo(4,3-b)-pyridazines, their preparation and compositions comprising them
05/27/1981EP0029103A1 6- and 8-Heteroaryl-1,2,4-triazolo(4,3-b)pyridazines
05/26/1981US4269980 Tranquilizers; anticonvulsants
05/26/1981US4269820 Safeguarded toxic chemical compositions containing effective emesis-inducing S-triazolo-[1,5-α]pyrimidine derivatives
05/26/1981CA1101887A1 Manufacture of n-[3,4-dimethylphenyl]-d-ribamine
05/20/1981EP0028906A1 1'-Substituted-spiro(imidazolidine-4,3'-indoline)-2,2',5-triones, processes for their manufacture and pharmaceutical compositions thereof
05/20/1981EP0028660A1 Xanthinoxydase inhibitors and utilization of benzotriazine derivatives
05/19/1981US4268681 Novel 4,5-dichloro-imidazole derivatives and their use as plant protection agents
05/19/1981US4268676 Mitomycin analogs
05/19/1981US4268672 Adenosine deaminase resistant antiviral purine nucleosides and method of preparation
05/19/1981US4268512 Anxiolytic agents, psychostimulants
05/19/1981US4268300 Plant growth regulators
05/19/1981CA1101422A1 Amino derivatives of pyrazolo [1,5-a] s. triazine, processes for their preparation and their therapeutic applications
05/13/1981EP0028381A2 Azepinoindoles, process for their production and pharmaceutical compositions containing them
05/13/1981EP0028270A1 Pyrazino-carbazoles, process for their preparation and pharmaceutical compositions containing them
05/12/1981US4267330 Condensation of a halo-, sulfoakloxy-, or opoxyaldehyde with a dialkyl 1,2,3,4,5,6-hexahydroazepino/4,5-b/indole-5,5-dicarboxylate; alkaloids
05/12/1981US4267324 Process for preparing 4-aminopyrazolo-(3,4-d)pyrimidine
05/12/1981US4267322 Reacting hexamethylenetetramine and nitromethane using as solvent an acyclic alcohol having a low water concentration or an anhydrous acyclic carboxylic acid
05/12/1981US4267174 Immune-stimulating and cancerostatic 1-acyl-2-cyanoaziridines
05/12/1981CA1100977A1 4,5-dichloro-imidazole derivatives, and their use as plant protection agents
05/06/1981EP0027897A1 Bridged quaternary benzimidazolyl-benzimidazole derivatives, process for their preparation and their use
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