Patents
Patents for C07D 473 - Heterocyclic compounds containing purine ring systems (11,932)
05/1993
05/12/1993EP0541003A2 Process for the preparation of guanine and its alcalnic metal salts
05/11/1993US5210192 Process for the preparation of 3,7-dialkylxanthines
05/11/1993US5210092 Hypotensive agents
05/09/1993CA2082325A1 Xanthine derivatives
05/05/1993EP0539487A1 Antiviral phosphono-alken derivatives of purines
05/05/1993EP0539421A1 Novel oxazolyl derivatives
05/05/1993EP0539420A1 Novel substituted thiazolyl and substituted pyridinyl derivatives
05/04/1993US5208240 8-substituted purines as selective adenosine receptor agents
04/1993
04/28/1993EP0538436A1 Novel quaternary ammonium salts, process for obtaining same and pharmaceutical compositions containing them
04/27/1993US5206435 4-amino-2-cyclopentene-1-methanol
04/27/1993US5206351 Process for the preparation of 2-amino (2,3,5-tri-o-benzyl-beta-d-arabinofuranosyl)adenine
04/27/1993US5206244 Viricides
04/21/1993EP0538194A1 Bicyclic nucleosides, oligonucleotides, their method of preparation and intermediates therein
04/21/1993EP0537833A2 Synthesis of a 3,4-dihydroxy-1-cyclopentanylpurinone from a 2,3-unsaturated-1-cyclopentanylpurinone
04/21/1993CN1071166A heteroaryl amines as acetylcholinesterase inhitibors
04/18/1993CA2080640A1 Bicyclic nucleosides, oligonucleotides, process for their preparation and intermediates
04/15/1993WO1993007163A1 Chemical compounds
04/15/1993WO1993007140A1 Heteroaryl amines as novel acetyl cholinesterase inhibitors
04/13/1993US5202328 Substituted fused pyrimidinones
04/08/1993CA2079960A1 Synthesis of a 3,4-dihydroxy-1- cyclopentanylpurinone from a 2,3- unsaturated-1-cyclopentanylpurinone
04/08/1993CA2079770A1 Angiotensin ii antagonists incorporating a substituted 1, 3-benzodioxole and 1, 3-benzodithiole
04/07/1993EP0535448A2 Process and intermediates for the preparation of an antiviral agent containing a cyclobutyl group
04/06/1993CA1315779C Aristeromycin/adenosine derivatives
04/03/1993CA2079496A1 Process and intermediates for the preparation of an antiviral agent
04/01/1993WO1993006119A1 Deoxynucleoside derivatives
04/01/1993WO1993006112A1 Therapeutic nucleosides
03/1993
03/31/1993CN1020194C Method for preparation of difluorated nucleoside derivant
03/30/1993US5198583 Optically active cyclobutane nucleoside and intermediates, therefor
03/30/1993US5198444 Methyl α-(2-substituted)pyrid-3-yl-β-methoxyacrylates, compositions containing them and their use as fungicides
03/24/1993EP0532878A2 Process for producing acyclic nucleosides
03/23/1993CA1314875C Therapeutic nucleosides
03/17/1993EP0532178A1 Methanoanthracenes as dopamine antagonists
03/17/1993EP0531883A1 Condensed 5-membered ring heterocycles, process for their preparation and medicaments containing them
03/17/1993EP0531349A1 1-7 substituted xanthine derivatives having antiasthmatic activity, their salts physiologically acceptable, pharmaceutical composition containing them and process for their preparation
03/17/1993EP0383759A4 N?6 -substituted 9-methyladenines: a new class of adenosine receptor antagonists
03/10/1993EP0530407A1 Substituted, nucleoside derivatives, methods for their preparation and pharmaceutical compositions containing them
03/10/1993EP0487658A4 Synthesis of purine substituted cyclopentene derivatives
03/10/1993EP0457773A4 N?6 -substituted 9-methyladenines: a new class of adenosine receptor antagonists
03/07/1993CA2077577A1 Condensed 5-membered heterocyclic compounds, processes for preparing them and pharmaceutical preparations containing these compounds
03/05/1993CA2077466A1 Substituted nucleoside derivatives, methods for their preparation and pharmaceutical compositions containing them
03/03/1993CN1019973C Piperidine derivative and pharmaceutical composition containing the same
03/03/1993CA2076699A1 Compositions for topical treatment of psoriasis and atopic dermatitis
02/1993
02/24/1993EP0528164A2 Use of xanthine derivatives for the manufacture of a medicament for the treatment of secondary nerve cell damages and function disorders after head-brain-traumata
02/18/1993WO1993002556A1 Cancer therapy utilizing malignant cells
02/18/1993CA2113990A1 Cancer therapy utilizing malignant cells
02/16/1993US5187174 Biological antigrowth agents
02/16/1993US5187163 Anti-viral compounds, dosage forms and methods
02/16/1993US5187159 Angiotensin II antagonists incorporating a substituted 1,3-benzodioxole or 1,3-benzodithiole
02/16/1993US5186736 Heterocyclic N-acylsulfonamides and their use as herbicides or growth regulators
02/16/1993CA2076146A1 Piperidine derivatives
02/16/1993CA1313669C Synthesis of optically active aryloxypropanolamines and arylethanolamines
02/09/1993US5185463 Process for the preparation of an antiviral agent
02/09/1993US5185459 Bis protected (hydroxymethyl)cyclobutanols
02/09/1993US5185437 Therapeutic nucleosides
02/03/1993EP0525825A2 Substituted dicarboxy pyridine compounds
02/03/1993EP0525106A1 2',3'-dideoxy-4'-thioribonucleosides as antiviral agents
02/03/1993EP0524997A1 2'-o-alkyl nucleotides and polymers containing them.
02/03/1993CN1068574A Atp analogues
01/1993
01/26/1993CA1313137C Method of inhibiting interleukin-1 activity
01/21/1993WO1993000910A1 Antiviral liponucleosides: treatment of hepatitis b
01/21/1993WO1993000905A1 Tropical composition containing penciclovir
01/21/1993CA2112803A1 Antiviral liponucleosides: treatment of hepatitis b
01/20/1993EP0523533A1 Substituted pyrimidin derivatives and their use for combatting the growth of undesirable plants
01/20/1993EP0523160A1 Carbo-nucleoside derivatives
01/20/1993CN1068111A Derivatives of (hetero) aromatic ethers and thioethers process for preparing same and pharmaceutical composition containing them
01/20/1993CN1068033A Method and composition for ameliorating adverse effects of aging
01/19/1993US5180824 Preparation of 2-fluoroadenine, fludarabine or fuldarabine phosphate
01/17/1993CA2073883A1 Substituted pyrimidine derivatives and their use for controlling undesirable plant growth
01/13/1993CN1067895A Technology for extracting natural caffeine from tea
01/13/1993CN1067894A One-seep sublimer for extracting natural caffeine from tea
01/12/1993US5179104 Multistage process for forming viricides
01/12/1993US5179095 Antiarrhythmia agents
01/07/1993EP0521463A2 Substituted cyclic cycloalkyltriols, process, intermediates for their preparation and their use as antiviral and antiparasitic agents
01/07/1993EP0418309A4 Oligonucleotide analogs containing sulfur
01/06/1993CN1067654A Processes for diastereoselective synthesis of nucleosides
01/05/1993US5177207 Cardiac failure, memory defecit
01/05/1993US5177074 Angiotensin ii antagonists incorporating a substituted thiophene or furan
01/05/1993CA2073111A1 Cycloalkyltriols containing cyclic substituents, processes and intermediate products for their preparation and their use as antiviral and antiparasitic agents
12/1992
12/30/1992EP0520552A1 Derivatives of (hetero) aromatic ethers and thioethers having antihyperlipidemic activity, process for their preparation and pharmaceutical compositions containing them
12/29/1992US5175291 Reaction of 1,4-dioxaspiro 4,4!nonan-7-carboxylic acid with carbonyldiimidazole with 5,6-diamino-1,3-dipropyluracil in the presence of calcium hydroxide and hydroxylating
12/29/1992US5175290 Bronchodilator, cardiotonic agents
12/29/1992US5175288 Process for preparing purine derivatives and intermediates thereof
12/29/1992US5175267 Reacting with a silyl halide to form a silyl enol ether, reaction with a selenenyl halide and reduction to furanose and condensing with a heterocyclic base
12/29/1992US5175165 Antiviral combinations and compounds therefor
12/23/1992CN1067245A Processes for diastereoselective synthesis of nucleosides
12/22/1992US5173491 Pharmaceutical compositions and a method for the treatment of memory disorders, intellectual disorders of ageing and alzheimer's disease
12/22/1992CA2071690A1 Derivatives of (hetero) aromatic ethers and thioethers having antihyperlipidemic activity, process for their preparation and pharmaceutical compositions containing them
12/16/1992EP0518033A1 Fused heterocyclic compounds, their production and use
12/16/1992EP0517812A1 Angiotensin ii antagonists incorporating a substituted benzyl element
12/15/1992US5171353 Sulfonamides
12/10/1992WO1992021344A2 Modulation of cellular response to external stimuli
12/02/1992EP0516194A2 Pharmaceutical compositions containing cationic surfactants
12/02/1992EP0515535A1 Angiotensin ii antagonists incorporating a substituted benzyl element
11/1992
11/26/1992WO1992020823A1 Backbone modified oligonucleotide analogs
11/26/1992WO1992020822A1 Backbone modified oligonucleotide analogues
11/26/1992WO1992020816A1 Determination of prodrugs metabolizable by the liver and therapeutic use thereof
11/26/1992WO1992020696A1 Processes for the diastereoselective synthesis of nucleosides
11/26/1992WO1992020687A1 Substituted pyrimidinones bearing acidic functional groups as angiotensin ii antagonists
11/26/1992WO1992020679A1 Benzofuran derivatives
11/26/1992WO1992020669A1 Processes for the diastereoselective synthesis of nucleosides