Patents
Patents for C07D 519 - Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups or (11,041)
06/1992
06/10/1992EP0381714A4 Monomers, oligomers, and polymers of biscyclobutarenes bridged by at least one benzoxazole, benzothiazole or benzimidazole linkage
06/09/1992US5120727 Rapamycin dimers
06/09/1992US5120725 Antibody inhibitors
06/09/1992CA1303036C Production of alkaloid dimers using ferric ion
06/03/1992EP0487996A2 Cephalosporins substituted in position 3, process for their preparation and their use as medicine
06/03/1992CN1016871B Process for the preparation of tricyclische pyridinderivate and their use
05/1992
05/29/1992CA2056103A1 3-substituted cephalosporins, process for their preparation and their use as medicaments
05/20/1992EP0486423A1 Oligomer mixtures of triphenedioxazine compounds, process for their preparation, and their use
05/20/1992EP0485962A2 New tricyclic compounds
05/20/1992CN1016692B Method for preparation of trycyclic pyridazopyridone derivatives
05/19/1992US5114934 Tricyclic pyridone derivatives
05/19/1992CA1301163C Process for the preparation of 2-halogenated ergoline derivatives
05/17/1992CA2055680A1 Tricyclic compounds
05/13/1992EP0485329A1 Triphenedioxazine compounds, process for their preparation, and their use
05/13/1992EP0484870A2 Prodrugs for beta-lactamase and uses thereof
05/12/1992US5112970 Water-soluble triphendioxazine compounds and precursors thereof containing sulfonyl groups, processes for their preparation and the use of the triphendioxazines as dyestuffs
05/07/1992CA2055062A1 Prodrugs for beta-lactamase and uses thereof
05/06/1992EP0483836A1 Pyrazolo [1,5-a] pyridine-3-carboxylic acid derivatives, their preparation process and their use
05/05/1992US5110811 Antibody inhibitors
05/05/1992CA1300125C Cephalosporin derivatives
04/1992
04/30/1992WO1992006980A1 Compounds having n-methyltryptamine tricyclic structure for the therapy of degenerative encephalopathies
04/22/1992EP0481274A1 7-(2,7-Diazabicyclo[3.3.0]octyl)-3-quinolone- and -naphthyridonecarboxylic acid derivatives
04/16/1992WO1992006086A1 Novel 4-piperidinylcarbonyl derivatives
04/15/1992EP0480712A1 2-(substituted-dibenzofuranyl and dibenzothienyl) carbapenem antibacterial agents
04/15/1992EP0480100A2 Process for preparing (1R,5S,6S)-2-[(6,7-dihydro-5H-pyrazolo[1,2-a][1,2, 4]triazolium-6-yl)thio]-6-[(R)-1-hydroxyethyl]-1-methyl-carbapenem-3-carboxylate and starting materials thereof
04/15/1992EP0232328B1 Zwitterionic bicyclic compounds and their salts, solvates, hydrates and esters
04/14/1992US5104637 Radio labeled dihematophorphyrin ether and its use in detecting and treating neoplastic tissue
04/12/1992CA2052730A1 2-(substituted-dibenzofuranyl and dibenzothienyl) carbapenem antibacterial agents
04/07/1992US5102890 Anxiolytic agents
04/07/1992US5102877 Carbapenicillin antibiotics
04/02/1992WO1992005174A1 3,9-diazabicyclo (3.3.1) nonan-7-yl derivatives, process and intermediates for their preparation and pharmaceutical compositions containing them
03/1992
03/31/1992CA1298296C Pyrrole derivatives, their preparation and their pharmaceutical compositions therein
03/31/1992CA1298295C Pyrrole derivatives, their preparation and their pharmaceutical compositions therein
03/31/1992CA1298294C Pyrrole derivatives, their preparation and their pharmaceutical compositions therein
03/24/1992US5098996 Process for introducing fluorine into biologically active materials
03/17/1992US5097032 Antibacterial agents - II
03/17/1992US5096790 Process of forming hologram and polymeric holographic recording medium with sensitizer
03/12/1992WO1992004349A1 Therapeutic agents
03/12/1992CA2088777A1 Therapeutic agents
03/11/1992CN1059339A Quinolinecarboxylic acid derivatives, antibactorial agent containing same and process for preparing said compounds
03/10/1992US5095109 Antitumor
03/10/1992CA1297097C Thiadiazolylacetamide cephem derivatives
03/06/1992WO1992004354A1 Substituted 6,7-dihydroimidazo(1,5,4-ef)(1,5)benzodiazepin-6-ones, their preparation and pharmaceutical compositions
03/06/1992CA2091057A1 Substituted 6,7-dihydroimidazo(1,5,4-ef) (1,5) benzodiazepin-6-ones, their preparation and pharmaceutical compositions
03/04/1992EP0472826A2 Novel quinolinecarboxylic acid derivatives, use thereof, antibacterial agent containing the same, process for preparing said compounds and intermediate compound
03/04/1992CN1059144A Tricyclic compound or salts thereof, method for producing same and antimicrobial agent containing same
03/03/1992US5093349 Porphyrins
03/01/1992CA2043104A1 Quinolinecarboxylic acid derivatives, antibacterial agent containing the same and process for preparing said compounds
02/1992
02/25/1992US5091432 9-substituted hypoxanthine bi-functional compounds and their neuroimmunological methods of use
02/25/1992US5091384 Anti-bacterial quinolone- and naphthyridone-carboxylic acid compounds
02/25/1992US5091383 Bactericides
02/18/1992US5089592 Biscyclobutarene monomer comprising two cyclobutarene moieties bridged by a divalent radical comprising at least one benzothiazole or benzimidazole linkage
02/18/1992US5089491 Active against both gram-negative and gram-positive bacteria
02/18/1992CA1295995C Antibacterial compounds, their production and use
02/12/1992EP0470578A1 Novel tricyclic compound or salts thereof, method for producing the same and antimicrobial agent containing the same
02/11/1992US5087704 Cyanine compounds
02/10/1992CA2048511A1 Tricyclic compound or salts thereof, method for producing the same and antimicrobial agent containing the same
02/06/1992WO1992001697A1 Novel substituted thiazolyl and substituted pyridinyl derivatives
02/06/1992CA2086546A1 Novel substituted thiazolyl and substituted pyridinyl derivatives
02/05/1992EP0469481A1 Process for the preparation of 1-oxa-3,8-diaza-4-oxo-spiro-[4,5]decane compounds
02/05/1992EP0338010B1 Pharmaceutical compositions for treatment of hyperproliferate skin disease
02/04/1992US5086056 Treating allergic diseases
02/04/1992US5086051 1H, 3H-pyrrolo[1,2-c]thiazole-7-carboxamide derivatives and pharmaceutical compositions containing them
02/02/1992CA2048193A1 Process for the preparation of 1-oxa-3,8-diaza-4-oxospiro[4,5]decane compounds
01/1992
01/29/1992EP0467895A1 Dihydropyridine antiallergy agents
01/29/1992CN1058216A Substituted thiazolyl and substituted pyridinyl derivatives
01/29/1992CN1058215A Oxazolyl derivatives
01/28/1992CA1294956C Production of 2-bromo-alpha-ergocryptine and its acid addition salts
01/22/1992EP0467434A1 2-Biphenyl-carbapenem antibacterial agents
01/21/1992CA1294548C2 Dehydrated liposomes
01/20/1992WO1992001687A1 Novel oxazolyl derivatives
01/20/1992CA2086545A1 Oxazolyl derivatives
01/15/1992EP0466254A1 2-naphthyl-carbapenems
01/12/1992CA2046524A1 2-naphthyl-carbapenem antibacterial agents
01/08/1992EP0465254A1 Fused thiophene compounds and uses thereof
01/07/1992US5079360 Processes for preparing bicyclic compounds and intermediates thereof
01/07/1992US5079357 Derivatives of penem
01/07/1992CA2046368A1 Fused thiophene compounds and uses thereof
01/02/1992EP0463852A2 2-Phenanthrenyl-carbapenem antibacterial agents
12/1991
12/31/1991US5077287 3-thiazolylthio carbacephem antibacterial agents
12/31/1991CA1293718C Method for production of cephalosporin compounds
12/27/1991CA2045432A1 2-phenanthrenyl-carbapenem antibacterial agents
12/27/1991CA2045388A1 2-biphenyl-carbapenem antibacterial agents
12/24/1991US5075442 Reacting oxophthalazinyl thioacetamide acetate with hydrogen s ulfide and nitro compound
12/24/1991US5075298 Cephalosporins
12/24/1991CA1293445C Cephalosporin injection
12/18/1991CN1015105B Process for preparing oximino ether of 2,6-dioxabicyclo (3,3,0) octanones
12/17/1991CA1293248C2 1,2,8,8a-tetrahydrocyclopropa¬c|pyrrolo(3,2-e)- indol-4(5h)-ones and related compounds
12/10/1991US5071979 Antibiotics
12/10/1991US5071848 Tricyclic quinoline antineoplastic agents
12/10/1991US5071846 Anti-hystaminic [(bicyclic heterocyclyl) methyl and --hetero] substituted hexahydro-1H-azepines and pyrrolidines
12/03/1991US5070007 Color photographic materials comprising phenolic thiane derivatives as light and thermal oxidation stabilizers
11/1991
11/27/1991EP0458636A1 Antiemetic and migraine suppressing heterocyclic compounds and pharmaceutical compositions containing them
11/21/1991EP0282602B1 Production of alkaloid dimers using ferric ion
11/20/1991CN1014790B Process for preparing novel benzoxazol-and benzothiazolamine derivatives and their use
11/20/1991CN1014789B Process for preparing replacable bridged heavy nitrogen bicycloalkyl carbostyril carboxylic acid
11/19/1991US5066812 Chemical intermediates for bactericides
11/19/1991US5066800 Qunoline intermediates useful therein for synthesizing antibacterial compounds
11/13/1991CN1014710B Process for 6-beta (substrated)-shydroxymethyl-penicillanic acid and its derivatives
11/06/1991EP0454874A1 Thia- and/or selenafulvalenyl compound