Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › 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
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)
11/1991
11/06/1991EP0321563B1 Spirooxazine compounds, photosensitive materials using them, and process for forming them
11/05/1991US5063228 4-(substitutedaminoethyl)-3,4-dihydro-2-alkylpyrimido[1,6-a]benzimidazol-1(2H)-ones as antiarrhythmic agents
11/03/1991WO1991016894A1 Quinolizinone type compounds
10/1991
10/31/1991WO1991016327A1 Antimicrobial quinolonyl lactams
10/31/1991WO1991016310A1 Antimicrobial quinolone thioureas
10/31/1991WO1991009961A3 Novel products
10/31/1991CA2078444A1 Antimicrobial quinolonyl lactams
10/31/1991CA2077435A1 Novel antimicrobial quinolone thioureas
10/30/1991EP0453952A2 A process for synthesizing cephalosporin compounds
10/22/1991US5059597 Animal growth regulators; enterobacter
10/16/1991EP0451810A1 Hapten-biotin-conjugates and their use
10/16/1991EP0451764A1 Carbapenem compounds
10/15/1991CA1290748C 3-propenylcephem derivative
10/10/1991CA2039987A1 Carbapenem compounds
10/08/1991US5055572 Antiobiotics
10/08/1991CA1290270C Enzymatic preparation of 3',4'-anhydrovinblastine
10/03/1991WO1991014434A1 Multi-functional pharmaceutical compounds and methods of use
10/01/1991US5053408 Hexitol derivatives having vasodilative activity
10/01/1991CA1289956C Naphthyridine- and quinolonecarboxylic acids as antibacterial agents
09/1991
09/25/1991EP0447484A1 Antibacterial quinolone compounds
09/24/1991US5051415 Production and use of purpurins, chlorins and purpurin- and chlorin-containing compositions
09/24/1991CA1289557C Oxime-ethers of 2,6-dioxobicyclo-[3.3.0] octanones for treatment of heart and circulation diseases
09/17/1991US5049558 Quaternized nitrogen-heterocycle substituted
09/16/1991WO1991013872A1 Therapeutically useful heterocyclic indole compounds
09/16/1991CA2075057A1 Therapeutically useful heterocyclic indole compounds
09/10/1991US5047528 Process of synthesis of vinblastine and vincristine
09/10/1991US5047247 Including A Disintegrating Agent, Acid And Antioxidant
09/10/1991US5047242 Azadirachtin derivative insecticides
09/10/1991CA1288896C Immunoglobulin conjugates
09/10/1991CA1288764C Cephalosporin compounds
09/03/1991US5045549 Bactericides
09/03/1991US5045159 Derivatives of compounds containing a carbonyl group conjugated to an aromatic moiety and electrophilic methods of fabrication thereof
08/1991
08/28/1991EP0443688A2 Spirodilactam-arylsulfone oligomers
08/28/1991CN1013687B Tricycle compounds, a process for their production and a pharmaceutical composition containing the same
08/27/1991US5043340 Antibody-drug conjugates; antitumor agents; leukemia; cancer
08/27/1991US5043336 Antitumor agents; parenteral administration
08/27/1991CA1288091C 6-.beta.(SUBSTITUTED)-(S)-HYDROXYMETHYLPENICILLANIC ACIDS AND DERIVATIVES THEREOF
08/22/1991WO1991012024A1 Triarylmethyl radicals and the use of inert carbon free radicals in mri
08/21/1991CA2036500A1 Spirodilactam-arylsulfone oligomers
08/20/1991US5041448 (4-piperidinylmethyl and -hetero) purines
08/13/1991CA2075818A1 Triarylmethyl radicals and the use of inert carbon free radicals in mri
08/13/1991CA1287638C Orthocarbonates
08/07/1991CN1053613A Nitrogen-containing spirocycles
08/06/1991US5037977 Reacting catharanthine with vindoline in presence of ferric ions, inactivating iron with ligand, reducing
08/06/1991US5037834 Heterocycylic-substituted quinoline-carboxylic acids
07/1991
07/30/1991US5036066 Tricyclic pyridine derivatives
07/30/1991CA1287057C Malonate-based spiroacetals of polyalkylpiperidin-4-one light stabilizers
07/30/1991CA1287056C Dialkyl esters of polyalkyl 1, 5-dioxa-9-azaspiro-¬5,5| undecane-3, 3-dicarboxylic acid light stabilizers for plastics
07/30/1991CA1287054C Diethyl ester derivatives of polyalkyl 1,4-dioxa-8-azaspiro¬4,5|-decane-2,3-dicarboxylic acid light stabilizers for plastics
07/25/1991WO1991010664A1 PYRIDAZINO[4,5-b]INDOLIZINES
07/25/1991CA2008571A1 Pyridazino[4,5-b]indolizines
07/24/1991EP0438311A2 Di- and tripeptide renin inhibitors
07/20/1991CA2034524A1 Di- and tripeptide renin inhibitors containing non-peptidal conformationally-constrained tripeptide mimic for leu10-val11-ile12
07/17/1991CN1013199B Heat-sensitive recording material contg. fluorane derivs.
07/10/1991EP0436245A1 Substituted 3,4-annelated benzimidazol-2(1H)-ones
07/10/1991CN1052864A Quinolone compounds and process for their preparation
07/09/1991US5030620 Vinblastine derivatives, and pharmaceutical compositions containing them
07/09/1991CA1285948C 1-oxa-3-oxo-4,8-diaza-spiro[4,5]decane compounds
07/09/1991CA1285947C Process for the preparation of 1-oxa-3,8-diaza-4-oxo-spiro [4,5] decane compounds
07/09/1991CA1285940C Carbapenems having a 2-quaternary heteroarylalkylthio substituent
07/04/1991DE3942991A1 New 2,3-bis:indolyl-maleimide derivs.
07/02/1991US5028621 Drugs comprising porphyrins
06/1991
06/28/1991CA2032885A1 Substituted 3,4-annelated benzimidazol-2(1h)-ones
06/22/1991WO1991009961A2 Novel products
06/22/1991CA2071982A1 Products
06/18/1991US5024835 Conjugates of a vinca derivative carrying a detergent chain in the C-3 position
06/16/1991WO1991009036A1 Beta-lactam derivatives
06/16/1991CA2071885A1 Beta-lactam derivatives
06/12/1991EP0431943A2 Nitrogen-containing spirocycles
06/09/1991CA2031633A1 Nitrogen-containing spirocycles
06/05/1991EP0429999A1 Novel cephalosporins, process for their preparation and their use as medicaments
05/1991
05/31/1991CA2031008A1 Cephalosporins
05/30/1991WO1991007397A1 Thia- and/or selenafulvalenyl compound
05/28/1991US5019571 1-carbacephalosporin antibiotics
05/28/1991CA1284504C Piperidine compounds
05/22/1991CN1051562A Novel compounds
05/21/1991US5017561 Antibotic 6270B and its use as an anticoccidiosis agent and a feed additive
05/16/1991WO1991006665A1 Activation compounds and methods for nucleic acid sterilization
05/15/1991EP0427248A2 New cephem compounds and processes for preparation thereof
05/14/1991US5015463 Porphyrins for fluorescent detection of tumor cells
05/11/1991CA2029638A1 Cephem compounds and processes for preparation thereof
05/08/1991CN1051176A Quinolone compounds and process for their preparation
05/07/1991US5013733 Lactam derivatives
05/07/1991US5013731 Bactericides
05/02/1991EP0424851A1 Quinolone compounds and a process for their preparation
05/02/1991EP0424850A1 Quinolone compounds and a process for their preparation
05/02/1991EP0424832A2 Carbapenem compounds
05/02/1991EP0424802A2 Tricyclic quinoline antineoplastic agents
04/1991
04/30/1991US5011842 2-(heterocyclylalkyl)imidazopyridines for treating allergic diseases
04/30/1991CA1283604C2 Dehydrated liposomes
04/24/1991CA2028246A1 Tricyclic quinoline antineoplastic agents
04/24/1991CA2028209A1 Quinolone compounds and a process for their preparation
04/24/1991CA2028208A1 Quinolone compounds and a process for their preparation
04/24/1991CA2028176A1 Carbapenem compounds
04/23/1991US5010198 Intermediates for the synthesis of benzoxazol- and benzothiazolamine derivatives, useful as anti-anoxic agents
04/23/1991US5010176 Malonate linker
04/23/1991US5010076 1,7-fused 1H-indole-2-carboxylic acid-N-(1,4-benzodiazepin-3-yl)amides
04/23/1991CA1283412C Antidotes
04/17/1991EP0422485A2 Quinolone carboxylic acid derivatives, process for their preparation and their use
04/16/1991US5008282 Enzyme inhibitors
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