Patents
Patents for C07D 257 - Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms (9,612)
08/1993
08/17/1993US5237070 Substituted DI-t-butylphenols
08/17/1993US5236943 Administering angiotensin II receptor blockers
08/10/1993US5235064 Leukotriene antagonists
08/05/1993WO1993015041A1 Ethanolamine derivatives having sympathomimetic and anti-pollakiuria activities
08/05/1993CA2107566A1 Ethanolamine derivatives having sympathomimetic and anti-pollakiuria activities
08/04/1993EP0553890A1 Diphenyl heteroalkyl derivatives, their preparation, as well as medicinal and cosmetic preparations prepared therefrom
08/04/1993EP0553879A2 Process for producing 4-bromomethylbiphenyl compounds
08/03/1993US5232948 Substituted monocyclic aryl compounds exhibiting selective leukotriene b4 antagonist activity
08/03/1993US5232937 Cytoprotective agents, antisecretory agents, antagonist
08/03/1993CA1320959C 4h-1-benzopyran-4-one derivative or its salt, processes for producing the same and pharmaceutical composition comprising the same as active ingredient
07/1993
07/28/1993EP0552254A1 Crystallization of optical isomers of leukotriene antagonists
07/20/1993CA1320490C Anti-inflammatory agents
07/14/1993CN1074212A Crystallization of optical isomers of leukotriene antagonists
07/13/1993US5227393 α-fluoro-α-tetrazolyl-phenylmethyl derivatives useful as aromatase inhibitors
07/07/1993EP0550313A1 2-(Tetranol-5-yl)-(1,1'-biphenyl)derivatives, their preparation and use as intermediates
07/06/1993US5225550 Process for the preparation of substituted acyclic nucleosides, and intermediates occurring therein
07/01/1993CA2086364A1 2-(tetrazol-5-yl)-1,1'-biphenyl derivatives, their preparation and their use as synthetic intermediates
06/1993
06/30/1993CN1073680A Synthesis of polyazamacrocycles with more than one type of side-chain groups
06/29/1993US5223516 Endopeptidase inhibitors
06/24/1993WO1993012097A1 Synthesis of polyazamacrocycles with more than one type of side-chain chelating groups
06/24/1993WO1993012096A1 Linked cyclic polyamines with activity against hiv
06/24/1993WO1993012054A1 Crystallization of optical isomers of leukotriene antagonists
06/24/1993WO1993011764A1 Fluorenyl derivatives and their use as anti-inflammatory agents
06/24/1993CA2125773A1 Synthesis of polyazamacrocycles with more than one type of side-chain chelating groups
06/24/1993CA2125495A1 Crystallization of optical isomers of leukotriene antagonists
06/23/1993EP0547736A1 Process for the preparation of 1-n-acetyl-3,5,7-trinitro-cyclotetramethylenetetramine
06/23/1993EP0547735A1 Process for the preparation of 1,3,5,7-tetranitro-1,3,5,7-tetraazacyclooctane
06/23/1993EP0547178A1 Novel cholecystokinin antagonists, their preparation and therapeutic use
06/22/1993US5221600 With silver binding groups and ether oxygen and/or imino nitrogen atoms
06/16/1993EP0545983A1 Intermediates for chelating agents with prefixed symmetry and process for their preparation.
06/16/1993CN1073161A Endothelin receptor antagonists
06/16/1993CN1021223C Process for 5-lipoxygense inhibiting 4-(4-phenyl-1-pip-erazing 1) phenols
06/15/1993US5219555 Method for labeling proteins with technetium or rhenium
06/09/1993EP0545511A2 Process for the preparation of mono-N-substituted tetraazamacrocycles
06/08/1993US5217981 LTB4 synthesis inhibitors
06/08/1993US5217686 Alkoxybenzotriazole compositions and the use thereof as copper and copper alloy corrosion inhibitors
06/02/1993EP0544488A2 Substituted phenyl phenol leukotriene antagonists
06/01/1993US5216183 Antitumor, anticarcinogenic agents; bone formation accelerators
05/1993
05/27/1993WO1993010107A1 Phenol derivatives as agonists of a cyclic amp dependent protein kinase
05/27/1993WO1993010106A1 Tetrazolylphenylboronic acid intermediates for the synthesis of aii receptor antagonists
05/27/1993WO1993010097A1 Nitro compounds having vasodilator activity
05/27/1993WO1993010073A1 Acyclic ethylenediamine derivatives as substance p receptor antagonists
05/27/1993CA2124003A1 Phenol derivatives as agonists of a cyclic amp dependent protein kinase
05/27/1993CA2123569A1 Nitro compounds having vasodilator activity
05/26/1993EP0543482A1 Aminocarboxylate ligands having substituted aromatic amide moieties
05/26/1993CN1020901C Method for preparation of fungicides combination and its usage
05/25/1993US5214201 Crystallization of optical isomers of leukotriene antagonists
05/25/1993CA1318325C 1-substituted tetralin derivatives, their preparation and their use
05/19/1993EP0541706A1 Process and intermediate for the preparation of 2-hydroxy-3-sulfido-3-phenyl propanoic acids.
05/19/1993EP0541593A1 Cyclopentane derivatives, process for producing them and their pharmaceutical use.
05/18/1993CA1317945C Tricyclic pyridazopyridone derivatives
05/18/1993CA1317937C Gadolinium chelates with carboxymethyl derivatives of polyazamacrocycles as nmr contrast agents
05/13/1993WO1993009101A1 Mercapto-amide derivatives as inhibitors of the neutral endopeptidase
05/13/1993WO1993008799A1 Endothelin receptor antagonists
05/13/1993CA2122820A1 Endothelin receptor antagonists
05/12/1993CN1071918A Process for preparing tetrazole and its amine salt
05/12/1993CN1071914A Complex salts of hematoporphyrin and of its derivatives, their synthesis, and therapeutic agent
05/11/1993US5210208 Disubstituted aryl compounds exhibiting selective leukotriene b4 antagonist activity
05/11/1993US5210206 1,3-oxazolyl substituted biphenyl
05/05/1993EP0540356A2 Process for the preparation of certain substituted biphenyl tetrazoles and compounds thereof
05/05/1993EP0540143A2 Compounds and methods for inhibition of HIV and related viruses
05/05/1993EP0539960A2 Hematoporphyrin derivatives complex salts and their use in the detection and treatment of neoplasms
05/02/1993CA2081847A1 Process for the preparation of certain substituted biphenyl tetrazoles and compounds thereof
04/1993
04/29/1993WO1993001165A3 Aromatic compounds, compositions containing them and their use in therapy
04/28/1993CN1071426A Process for the preparation of novel acylals of imidazole-5-carboxylic acid derivatives
04/28/1993CN1071333A Calcium receptor active molecules
04/27/1993US5206403 Antiagglomerants
04/27/1993US5206362 Two-step method for preparing cyclic ureas
04/27/1993US5206256 Aromatase inhibitors
04/15/1993WO1993007534A1 Photographic colour couplers and photographic materials containing them
04/15/1993WO1993007111A1 Cyclopentane and cyclopentene derivatives with antiallergic antiinflammatory and tumor necrosis factor inhibiting activity
04/15/1993DE4134156A1 9-substituierte bicyclo(3.3.0)octan-derivate, verfahren zu ihrer herstellung und ihre pharmazeutische verwendung 9-substituted bicyclo (3.3.0) octane derivatives, process for their production and their pharmaceutical use
04/15/1993CA2120351A1 Cyclopentane and cyclopentene derivatives with antiallergic antiinflammatory and tumor necrosis factor inhibiting activity
04/14/1993EP0536400A1 Tetrazole derivative and medicine
04/13/1993CA1316171C Cephalosporin derivatives
04/12/1993WO1993007118A1 9-substituted bicyclo[3.3.0]octane derivatives, for use as txa2 antagonists
04/12/1993CA2097930A1 9-substituted bicyclo[3.3.0]octane derivatives, for use as txa2 antagonists
04/07/1993EP0535420A1 Imidazol-5-carbon acid derivatives acylales as angiotensin II inhibitors
04/07/1993EP0532674A4 Leukotriene antagonists
04/07/1993CN1070642A Process for preparation of anti-hypercholesterolemic
04/05/1993CA2079735A1 Acylals of imidazole-5-carboxylic acid derivatives, process for their preparation and their use
04/01/1993WO1993006092A1 Piperazinyl (sulfonyl)amide derivatives of camphor as oxytocin antagonists
03/1993
03/31/1993EP0533933A1 Bisheterocyclic compound
03/31/1993CN1070399A Substituted amide derivatives of piperizinylcamphorsulfonyl oxytocin antagonists
03/30/1993US5198208 Aminopolycarboxylic acids and derivatives thereof
03/30/1993CA1315279C Anti-inflammatory agents
03/24/1993EP0533242A2 Substituted derivatives of piperazinylcamphorsulfonyl oxytocin antagonists
03/24/1993EP0533241A2 Substituted alkyl derivatives of piperazinylcamphorsulfonyl oxytocin antagonists
03/24/1993EP0533240A2 Substituted amine derivatives of piperazinylcamphorsulfonyl oxytocin antagonists
03/24/1993EP0532693A1 1,4-diamino-2,3-dihydroxybutanes
03/24/1993EP0532674A1 Leukotriene antagonists
03/24/1993EP0532531A1 Phenol and pyridinol derivatives as pharmaceuticals
03/23/1993US5196314 Colorimetric, tetrazole compunds to reduce interference
03/23/1993CA1314899C2 Epoxides
03/17/1993EP0532097A1 Piperazinyl(sulfon)amide derivatives of camphor as oxytocin antagonists
03/17/1993CN1069882A Compounds and methods for inhibition of HIV and related viruses
03/17/1993CA2078264A1 Substituted derivatives of piperizinylcamphorsulfonyl oxytocin antagonists
03/17/1993CA2078263A1 Substituted alkyl derivatives of piperizinylcamphorsulfonyl oxytocin antagonists
03/17/1993CA2078025A1 Substituted amine derivatives of piperizinylcamphorsulfonyl oxytocin antagonists
03/16/1993US5194623 Azlactone based photographic reagents
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