Patents
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Patents for C07D 473 - Heterocyclic compounds containing purine ring systems (11,932)
12/1990
12/05/1990EP0400686A1 2-Amino-9-[1,3bis-(isopropoxy)-propyl-2-oxymethyl]-purine, its utilization and medicaments containing it
12/05/1990EP0400660A1 1,4-dihydropyridine derivatives
12/05/1990EP0400356A1 Sulfonamides
12/05/1990CN1047502A Process for preparing 8-substituted xanthine
12/04/1990US4975433 Aminomethyl derivatives of biologically active substances and enhanced delivery thereof across topical membranes
12/04/1990US4975432 Improved blood flow
11/1990
11/30/1990CA2017773A1 Substituted imidazo-fused 6-membered heterocycles as angiotensin ii antagonists
11/28/1990EP0399731A1 Azaindenes
11/28/1990EP0399569A1 Amide derivatives and 5-lipoxygenase inhibitors containing the same as an active ingredient
11/22/1990EP0398231A2 Nucleoside analogs
11/22/1990EP0398230A2 Antiviral, highly water soluble, stable, crystalline salts of 2',3'-dideoxyinoside monohydrate, 2',3'-dideoxy-2',3'-didehydrothymidine monohydrate and 2',3'-dideoxy-2'-fluoroinosine hemihydrate
11/20/1990US4971972 Phosphodiesterase inhibitors having an optionally substituted purine derivative portion and a benzo- or cyclopenta-furan portion
11/20/1990CA1276635C 9-(2-(hydroxymethyl)cycloalkylmethyl)guanines
11/16/1990WO1990014091A1 Method of treatment of hepatitis
11/16/1990CA2054771A1 Method of treatment of hepatitis
11/14/1990EP0397290A1 Novel derivatives, their preparation and pharmaceutical composition containing them
11/13/1990US4970210 Triazinone lipoxygenase compounds
11/13/1990CA1276148C Process for the preparation of -n-¬(hypoxanthin-9-yl)-pentyloxycarbonyl|-arginine
11/13/1990CA1276147C 6-thioxanthines
11/07/1990EP0396282A2 N-aryl-N-[4-(heterocyclicalkyl) piperidinyl]amides and pharmaceutical compositions and methods employing such compounds
11/07/1990EP0395977A1 Process for the preparation of 4-hydroxy-6-polyfluoroalkylpyrimidines
11/06/1990US4968674 Hepatitis b and human t-cell lymphotropic virus
11/06/1990US4968672 Drug delivery; diuretics, kidney disorders, hypotensive agents
11/06/1990CA1276028C Substituted pyridine derivatives
11/01/1990WO1990012797A1 Sulfer-containing xanthine derivatives as adenosin antagonists
10/1990
10/31/1990EP0394893A2 Purinyl and pyrimidinyl tetrahydrofurans
10/31/1990EP0394346A1 Pyrimidine and purine 1,2-butadiene-4-ols as anti-retroviral agents
10/24/1990EP0393920A2 Antiviral nucleoside derivatives
10/24/1990EP0393738A1 Hydroxyalkylfuranyl derivatives
10/24/1990EP0393499A1 Process for preparing carbovir and new intermediate products therefor
10/24/1990CN1046334A 2'-halomethylidene, 2'-ethenylidene and 2'-ethynyl adenosine derivatives
10/24/1990CA2014533A1 Process for the production of 4 - hydroxy -6- polyfluoroalkylpyrimidines
10/23/1990US4965357 2,5,6-substituted N1 -alkylpyrimidines
10/23/1990US4965271 Administering 7-(oxoalkyl)-1,3-dialkyl xanthines
10/23/1990US4965270 Viricides
10/20/1990CA2010425A1 N-aryl-n-¬4-(1-heterocyclicalkyl)piperidinyl| amides and pharmaceutical compositions and methods employing such compounds
10/17/1990EP0392745A2 Immunoconjugates and prodrugs and their use in association for drug delivery
10/17/1990CN1046161A Hydroxyalkylfuranyl derivatives
10/16/1990CA1275288C 6-thioxanthine derivatives
10/10/1990CN1045974A Selective adenosine receptor compounds
10/10/1990CN1045973A Selective adenosine receptor agents
10/07/1990CA2013892A1 Hydroxyalkylfuranyl derivatives
10/06/1990WO1990011782A2 Immunoconjugates and prodrugs and their use in association for drug delivery
10/06/1990CA2030564A1 Immunoconjugates and prodrugs and their use in association for drug delivery
10/03/1990EP0390612A1 Drug production using non-cross reactive antibodies
10/03/1990EP0390515A1 Novel adenine derivatives and their use as agents for increasing crop yields
10/03/1990EP0390112A2 Selective adenosine receptor agents
10/03/1990EP0390111A2 Selective adenosine receptor compounds
10/03/1990CN1045791A Inhibition of hiv using synergistic combinations of nucleosides derivatives
10/03/1990CN1045781A N-(3-hydroxy-4-piperidinyl) (dihydrobenzofuran, dihydro-2h-benzopyran or dihydrobenzodioxin) carboxamide derivatives
10/02/1990WO1990012015A1 Dihydropyridine antiallergy agents
10/02/1990US4960773 Xanthine derivatives
10/02/1990CA2048684A1 Antiallergy agents
09/1990
09/26/1990EP0389282A2 Xanthinederivatives, process for their preparation and their pharmaceutical use
09/26/1990EP0389037A1 N-(3-hydroxy-4-piperidinyl)(dihydrobenzofuran, dihydro-2H-benzopyran or dihydrobenzodioxin)carboxamide derivatives
09/25/1990CA1274517A1 Piperazine derivatives of theophylline and theobromine
09/21/1990WO1990011283A1 A process for the preparation of 9-substituted guanine derivatives and intermediates for use in the process
09/21/1990CA2047217A1 A process for the preparation of 9-substituted guanine derivatives and intermediates for use in the process
09/19/1990EP0388049A2 Derivatives of penciclovir for the treatment of hepatitis-B infections
09/18/1990WO1990011081A1 Inhibition of hiv using synergistic combinations of nucleoside derivatives
09/18/1990US4957924 Therapeutic valine esters of acyclovir and pharmaceutically acceptable salts thereof
09/18/1990US4957733 Interferon, viricide
09/18/1990CA2050473A1 Inhibition of hiv using synergistic combinations of nucleoside derivatives
09/12/1990EP0386683A2 Xanthine derivatives having bronchodilating activity, a process for the preparation thereof and pharmaceutical compositions containing them
09/12/1990EP0386675A2 Xanthine derivatives
09/12/1990EP0386143A1 Tri- and tetra-substituted-oxetanes and tetrahydrofurans and intermediates thereof
09/07/1990WO1990009999A1 Seco-nucleoside derivatives and drugs containing them
09/07/1990WO1990009998A1 Novel acyclic nucleoside analogues, process for their production and use of these compounds as anti-viral drugs
09/07/1990WO1990005730A3 Novel cyclobutane derivative and process for producing same
09/06/1990DE3906357A1 Neue acyclische nucleosid-analoga, verfahren zu ihrer herstellung und verwendung dieser verbindungen als antivirale arzneimittel New acyclic nucleoside analogues, processes for their preparation and use of these compounds as antiviral drugs
09/06/1990DE3905725A1 Seco-nucleosid-derivate, verfahren zu deren herstellung sowie deren verwendung als antivirale mittel Seco-nucleoside derivatives, processes for their preparation and their use as antiviral agents
09/04/1990US4954504 Hypotensive agents, psychotic disorders
08/1990
08/29/1990EP0383868A1 1,3-unsymmetrical straight chain alkyl-substituted 8-phenylxanthines
08/29/1990EP0383759A1 N6 substituted 9-methyladenines: a new class of adenosine receptor antagonists
08/28/1990WO1990010631A1 9-substituted-8-unsubstituted-9-deazaguanines
08/28/1990US4952693 Oxazolo-pyrimidine derivatives
08/28/1990CA1273337A1 Process for the preparation of 2-amino-6-chloropurine
08/23/1990WO1990009178A1 N6-substituted 9-methyladenines: a new class of adenosine receptor antagonists
08/22/1990EP0383531A2 6'-deoxy-6'-halogenoneplanosin A and its production
08/22/1990EP0383239A1 Isomeric dideoxynucleosides, their preparation and their use in medicaments
08/22/1990CN1044817A 2-substituted-5-substituted-1, 3-oxathiolanes with antiviral properties
08/21/1990CA1272956A1 Therapeutical application of phosphonylmethoxy-alkyl adenines
08/16/1990EP0382526A2 Substituted -1,3-oxathiolanes with antiviral properties
08/13/1990CA2009658A1 Isomeric dideoxynucleosides
08/08/1990EP0381531A2 Antiviral acyclonucleosides and acyclonucleotides
08/07/1990US4946843 2-(heterocyclylalkyl)imidazopyridines
08/02/1990CA2009109A1 Antiviral acyclonucleosides and acyclonucleotides
08/01/1990EP0380264A2 Halogenation process
07/1990
07/31/1990CA1272193A1 Divalent hapten derivatives, process for preparing and use of them
07/26/1990WO1990008147A1 Purine nucleosides, process for producing them, and drugs containing these compounds
07/24/1990US4943580 Antiallergens
07/23/1990CA2008079A1 Halogenation process
07/21/1990WO1990008128A1 Novel prodrug derivatives of biologically active agents containing hydroxyl groups or nh-acidic groups
07/21/1990CA2045591A1 Hydroxy-and amino prodrugs
07/19/1990DE3900964A1 Neue nukleoside, verfahren zu deren herstellung sowie arzneimittel, die diese verbindungen enthalten New nucleosides, processes for their preparation, and with drug containing these compounds
07/18/1990EP0378159A1 7-Aryl- and heteroaryl ethers of desacetylforskolin, a process for their preparation and their use as medicaments
07/17/1990US4942166 Crystalline purine compounds
07/11/1990CA2007513A1 7-aryl- and heteroaryl ethers of desacetyl forskolin, a process for their preparation and their use as medicaments
07/10/1990CA1271597A1 Biologically-active xanthine derivatives
07/10/1990CA1271473A1 8-arylxanthines
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