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