| Patents for C07D 473 - Heterocyclic compounds containing purine ring systems (11,932) |
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| 04/26/1989 | EP0312863A2 Apparatus for continuous decaffeination of green coffee |
| 04/26/1989 | CN1032538A Therapeutic acyclic nucleosides |
| 04/25/1989 | US4824955 Selenium oxy chloride-pyridine or bipyridine complexes |
| 04/20/1989 | WO1987000168A3 Ionophores and ion-selective membranes containing the same |
| 04/19/1989 | EP0312243A2 Methyl 2-[2-(3-substituted phenoxy)pyridin-3-yl]-3-methoxypropenoatesand their use as fungicides |
| 04/19/1989 | EP0311694A1 Nucleoside derivatives and process for their preparation |
| 04/19/1989 | EP0140061B1 Process and apparatus for extracting basic substances from natural products |
| 04/19/1989 | CN1032439A Process for preparation of platelet activating factor antagonist |
| 04/18/1989 | CA1252725A1 Dyeing composition for keratinic fibers comprising at least one cosolubilised n-substituted nitro-2 paraphenilenediamine and process for dyeing keratinic fibers |
| 04/11/1989 | US4820838 Process for the preparation of depogen |
| 04/11/1989 | US4820709 6-thioxanthine derivatives |
| 04/05/1989 | EP0310386A2 4-Aryl-5-carbamoyl-1,4-dihydropyridines |
| 04/05/1989 | EP0165289B1 Novel derivatives of guanine |
| 04/04/1989 | US4818552 Process for recovering caffeine adsorbed to activated carbon |
| 03/28/1989 | US4816575 2'-(R)-substituted-2'-deoxyneplanocin A derivatives |
| 03/28/1989 | US4816447 Herpes virus |
| 03/22/1989 | EP0308065A2 Therapeutic nucleosides |
| 03/21/1989 | US4814336 Method of treating a vascular obstructive lesion resulting from restricted blood circulation |
| 03/16/1989 | DE3729471A1 Process for the preparation of guanine |
| 03/16/1989 | DE3729406A1 Process for the preparation of 4-nitroimidazol-5-yl ethers |
| 03/15/1989 | EP0307014A1 Anti-allergic 2-(heterocyclyl alkyl) imidazo pyridines and 2-(heterocyclyl alkyl) purines |
| 03/15/1989 | EP0306845A2 Medicinal preparation containing certain derivatives of 6-mercaptopurine, use of these derivatives of 6-mercaptopurine, process for the preparation of the medicinal preparation and some derivatives of 6-mercaptopurine and process for their preparation |
| 03/15/1989 | EP0306844A2 Use of 6-mercaptopurines in the preparation of a pharmaceutical composition, and method for preparing this composition |
| 03/09/1989 | DE3728917A1 Novel lipids containing an asymmetrically substituted disulphide bridge, processes for their preparation, and their use as medicaments |
| 03/08/1989 | EP0305743A2 Pharmaceutical mixture preparation, its manufacture and use |
| 03/07/1989 | US4810706 Antihistamines |
| 03/01/1989 | EP0304889A2 Novel aristeromycin/adenosine derivatives |
| 02/22/1989 | EP0304004A1 Process for the production of sodium purines |
| 02/22/1989 | CN1031184A Medicated compound as well as its pren. and application |
| 02/21/1989 | US4806642 Agent for autoimmune diseases |
| 02/14/1989 | US4804664 Method and pharmaceutical preparation for treating chronic obstructive airway disease and cardiac disease, and intermediates for the preparation of therapeutically active xanthine derivatives |
| 02/08/1989 | EP0302760A2 Antiviral therapy for hepatitis B using 2',3'-dideoxynucleosides |
| 02/08/1989 | EP0302644A2 Purine compounds and their preparation |
| 02/07/1989 | US4803272 S-modified adenosyl-1,8-diamino-3-thiooctane derivatives |
| 02/07/1989 | US4803271 Hydrolysis of a 3-acetyl-9-1,3-diacyloxy-2-propoxymethylpurine using an alcoholic solution of a base |
| 02/07/1989 | CA1249813A1 Morpholine derivatives, preparation thereof and use thereof |
| 02/01/1989 | EP0301422A2 Thiomethyl and sulfinylmethyl derivatives having gastric acid antisecretory activity, processes for the preparation thereof and pharmaceutical compositions containing them |
| 01/31/1989 | US4801710 Blocking at 6-position, steric hindrance |
| 01/26/1989 | DE3723874A1 Process for isolating organic substances which are soluble in aqueous-alkaline media |
| 01/25/1989 | EP0300726A1 Piperazinyl derivates of purines and isosteres thereof as hypoglycemic agents |
| 01/25/1989 | CN1030587A 2-(heterocyclylalkyl) imidazopyridines |
| 01/19/1989 | DE3722992A1 Novel imidazopyridines and purines, medicaments containing these compounds, and processes for their preparation |
| 01/18/1989 | EP0299449A2 Pyridazinone, triazinone and oxapyridazinone lipoxygenase inhibiting compounds |
| 01/17/1989 | US4798833 Guanine derivative |
| 01/11/1989 | EP0298601A1 6-Deoxy guanine derivatives and pyrimidine intermediates |
| 01/10/1989 | US4797479 Nucleoside-phospholipid conjugate |
| 01/04/1989 | EP0297661A1 [(Bicyclic heterocyclyl)methyl and -hetero] substituted hexahydro-1H-azepines and pyrrolidines |
| 01/03/1989 | CA1248096A1 Optionally n-substituted aminodesoxy-1,4;3.6- dianhydrohexitol derivatives, processes for their preparation and their use |
| 12/28/1988 | EP0296573A2 Novel nucleosides, their preparation and pharmaceutical compositions |
| 12/22/1988 | DE3718898A1 Process for the preparation of 4-nitro-5-mercaptoimidazoles |
| 12/21/1988 | CN88102932A Purine-substituted oxygen heterocycle butanes |
| 12/07/1988 | EP0294074A1 Dihydropyridine anti-allergic and anti-inflammatory agents |
| 12/07/1988 | EP0294069A2 Purine compounds, process for their preparation, intermediates and pharmaceutical compositions |
| 12/07/1988 | EP0293742A1 Process for the production of 4-nitro-5-imidazolylethers and -thioethers |
| 12/01/1988 | WO1988009332A1 Therapeutic nucleosides |
| 12/01/1988 | WO1988009167A1 Improved dry sustained release theophylline oral formulation |
| 11/30/1988 | EP0293063A1 2-Phenylpurinone derivatives, processes for their preparation, and their use as well as intermediates |
| 11/30/1988 | EP0292588A1 Novel compound having hypoxanthine base,its use and process for producing it |
| 11/23/1988 | EP0292365A2 4-Amino-5,8-quinazolindione derivatives, process for their preparation and pharmaceutical compositions containing them |
| 11/23/1988 | EP0291923A1 Improved dry sustained release theophylline oral formulation |
| 11/23/1988 | EP0291917A2 Novel oxetanocins |
| 11/22/1988 | US4786509 Dry sustained release theophylline oral formulation |
| 11/17/1988 | WO1988008841A1 Amino-4 quinazolinedione-5,8 derivatives, method for the preparation thereof and pharmaceutical compositions containing them |
| 11/17/1988 | EP0291229A2 9(2-(hydroxymethyl) cycloalkylmethyl)guanines |
| 11/17/1988 | EP0290630A1 9-substituted guanines |
| 11/15/1988 | US4784999 Novel treatment |
| 11/09/1988 | EP0289992A2 Process for preparing purine derivates |
| 11/08/1988 | US4783530 Cardiotonic and bronchodilator agents |
| 11/03/1988 | WO1988008427A1 Nucleoside derivatives and process for their preparation |
| 11/03/1988 | WO1988008303A1 N6-substituted 9-methyladenines: a new class of adenosine receptor antagonists |
| 11/02/1988 | EP0289229A1 Antiviral combinations |
| 11/01/1988 | US4782062 9-(2-hydroxymethyl)cycloalkylmethyl) guanines |
| 11/01/1988 | US4782017 Analytical element and method for determination of theophylline by enzyme inhibition |
| 10/20/1988 | WO1988007861A1 Acid stable dideoxynucleosides active against the cytopathic effects of human immunodeficiency virus |
| 10/19/1988 | EP0287313A2 Acid stable dideoxynucleosides active against the cytopathic effects of human immunodeficiency virus |
| 10/18/1988 | CA1243314A1 2-arylimidazopyridines and 8-arylpurines |
| 10/12/1988 | EP0286425A2 Therapeutic nucleosides |
| 10/12/1988 | EP0285884A2 Process to produce 2', 3'-Dideoxynucleosides |
| 10/11/1988 | US4777255 Process for preparing a purine derivative |
| 10/06/1988 | WO1988007532A1 2',3' dideoxyribofuranoxide derivatives |
| 10/04/1988 | CA1242716A1 Naphthalenylimidazopyridine and derivatives and their preparation |
| 09/28/1988 | EP0284405A2 Anti-viral compounds, dosage forms and methods |
| 09/28/1988 | CN88101286A 1-alkyl substituted benzimidazole derivatives |
| 09/27/1988 | US4774325 Antilipemic agents |
| 09/20/1988 | US4772607 Alzheimer*s disease, cns stimulant, antifibrillatory, bronchodilator |
| 09/20/1988 | US4772606 Autoimmune diseases, organ transplants |
| 09/14/1988 | EP0282133A2 1-alkyl substituted benzimidazole derivatives |
| 09/14/1988 | CN88100826A Nucleotide analogs their producion and use |
| 09/06/1988 | US4769377 Adenosine receptor antagonists |
| 08/24/1988 | EP0279079A2 Purine derivatives as interleukin-1 inhibitors |
| 08/23/1988 | US4766133 (Bezimidazol-2-yl)-pyridinium compounds |
| 08/23/1988 | US4766130 2-phenyl-imidazopyridin-ones and also useful as cardiotonics and anti-hypertensives |
| 08/23/1988 | US4766125 N-aryl-piperazinealkanamides useful for protecting hearts from myocardial injury caused by ischaemia, anoxia or hypoxia |
| 08/17/1988 | EP0278501A2 Nucleotide analogs, their production and use |
| 08/16/1988 | US4764603 Heat resistance, storage stability |
| 08/11/1988 | WO1988005775A1 Novel xanthine derivatives |
| 08/10/1988 | EP0277599A2 Fluorine containing cyclopentane derivatives and processes for their production |
| 08/10/1988 | EP0277589A2 Color photographs, a process for preparing them and color photographic materials employed therefor |
| 08/10/1988 | EP0277270A2 N-alkylated quaternary nitrogen-containing heterocycles, process for their preparation and their use in pharmaceutical compositions |
| 08/02/1988 | US4761481 Substituted pyridine derivatives |