Patents
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Patents for C07D 473 - Heterocyclic compounds containing purine ring systems (11,932)
10/1991
10/15/1991US5057517 Piperazinyl derivatives of purines and isosteres thereof as hypoglycemic agents
10/15/1991CA1290663C Analytical element and method for theophylline determination usingbuffer in spreading zone
10/10/1991WO1991015499A1 2'-o-alkyl nucleotides and polymers containing them
10/10/1991DE4037363A1 New 2-O-alkyl nucleotide(s) and polymers contg. them - for nuclease-resistant anti-sense probes and to treat viral infection including herpes influenza and AIDS and cancer
10/09/1991CN1055181A Selective adenosine receptor agents
10/08/1991US5055457 Pharmaceutical combinations product and the preparation and use thereof
10/05/1991WO1991015488A1 Carbo-nucleoside derivatives
10/05/1991CA2079815A1 Carbo-nucleoside derivatives
10/03/1991WO1991014434A1 Multi-functional pharmaceutical compounds and methods of use
10/02/1991EP0449175A2 Selective adenosine receptor agents
10/02/1991EP0448726A1 2-substituted 2-cyclopentenone and carcinostatic agent and osteogenesis promoter containing the same as active ingredient
10/02/1991CN1054982A Substituted purine, process for preparing same and use as antiviral
10/02/1991CN1054981A Therapeutic nucleosides
10/01/1991US5053499 2',3'-dideoxy purine nucleoside
10/01/1991US5053433 Cosmetic composition with anticellulitic and slimming action, in which the active principle is a 1-hydroxyalkylxanthine
10/01/1991US5053411 N-aryl-N-[4-(1-heterocyclicalkyl)piperidinyl]amides and pharmaceutical compositions and methods employing such compounds
10/01/1991US5053072 Heterocyclic n-acylsulfonamides, and their use as herbicides or growth regulators
10/01/1991CA1289954C Xanthine derivatives
09/1991
09/26/1991DE4008858A1 New substd. purine antiviral cpds.
09/24/1991US5051499 Novel nucleoside-phospholipid conjugate
09/24/1991US5051435 Pharmaceutical preparations
09/24/1991US5051429 "Pyrimidine derivatives"
09/21/1991CA2038589A1 Substituted purines, processes for their preparation and their use as antiviral agents
09/19/1991DE4008067A1 Colour photographic recording material - uses specific di:keto sec. amine yellow couplers and 1-phenyl-3-anilino-pyrazolone deriv. magenta couplersy acid treatment
09/18/1991EP0447324A1 2,4-Pyrimidinedione derivatives and medicines containing them
09/17/1991US5049671 6-substituted purine carbocyclic nucleosides
09/17/1991US5049566 Imidazole [4,5-c] pyridine derivatives having gastric acid antisecretory activity and pharmaceutical compositions containing them
09/16/1991CA2038198A1 2,4-pyrimidinedione derivatives and pharmaceutical compositions containing them
09/14/1991WO1991013898A1 O6-benzylated guanine, guanosine and 2'-deoxyguanosine compounds possessing o6-alkylguanine-dna alkyltransferase depleting activity
09/11/1991EP0355085B1 A process for the preparation of 9-(hydroxyalkyl)-hypoxanthines
09/10/1991US5047534 Xanthine derivatives; hyupotensive agents, cardiotonic agents
09/10/1991US5047407 Prevention Or Treatment Of Human Immunodeficiency Virus
09/07/1991WO1991013549A1 Methods and compositions for the prophylaxis and treatment of cytomegalovirus infections
09/07/1991CA2053849A1 Methods and compositions for the prophylaxis and treatment of cytomegalovirus infections
09/05/1991WO1991013070A1 Novel trisubstituted maleinimides, process for their production and medicaments containing these compounds
09/03/1991US5045530 Conprising a micelle or a vesicle of a cationic teniside based on a hydrophobic alkyl-substituted pyridinium compound and a hydrophobic drug; drug delivery; skin disorders
09/03/1991US5045334 Gel permeation chromatography, two highly crosslinked dextran gels, caffeine obtained from eluate of second gel at temperatu res at or above room temperature
09/03/1991CA1288432C Oxadiazole-alkyl-purine derivatives
09/03/1991CA1288431C N9-cyclopentyl-substituted adenine derivatives
08/1991
08/29/1991DE4005970A1 Neue trisubstituierte maleinimide, verfahren zu ihrer herstellung sowie arzneimittel, die diese verbindungen enthalten New tri-substituted maleimides, process for their production and with drug containing these compounds
08/28/1991CN1054067A Process for obtaining almost fluorescence-free xanthines
08/28/1991CN1013676B 6-thioxanthine derivatives
08/27/1991US5043339 Oral delivery for lower dosage; herpes, cytomegalo viruses
08/27/1991CA1288098C 4-(guanin-9-yl)butanals and their 3-oxa, 3-thia and 2-ene derivatives having antiviral and antitumor activity
08/21/1991EP0442401A1 Process for the synthesis of essentially non-fluorescent xanthines
08/20/1991US5041449 Side effect reduction
08/20/1991US5041448 (4-piperidinylmethyl and -hetero) purines
08/20/1991CA1287832C2 Anti-viral compounds
08/14/1991WO1991012001A1 Angiotensin ii antagonists incorporating a substituted benzyl element
08/14/1991WO1991011999A1 Angiotensin ii antagonists incorporating a substituted benzyl element
08/14/1991CA2075637A1 Angiotensin ii antagonists incorporating a substituted benzyl element
08/14/1991CA2075627A1 Angiotensin ii antagonists incorporating a substituted benzyl element
08/13/1991US5039689 Antiparasitic 3(4-amino benzotriazo-1-yl-)1,2-cyclopentanediols
08/13/1991US5039676 Tri- and tetra-substituted-oxetanes and tetrahydrofurans and intermediates thereof
08/10/1991WO1991012260A1 6-halo- and 2-amino-6-halo-purine 2',3'-dideoxy nucleosides and their use as antiviral agents
08/10/1991CA2075490A1 6-halo-and 2-amino-6-halo-purine 2',3'-dideoxy nucleosides and their use as antiviral agents
08/07/1991EP0439710A2 Process for decaffeinating green coffee
07/1991
07/30/1991US5036071 Derivatives of purine
07/30/1991US5035987 Development inhibitor releasing couplers
07/30/1991CA1287050C Antiviral purine derivatives
07/24/1991EP0437527A1 Nucleoside derivatives
07/24/1991EP0437469A1 Nucleoside derivatives
07/23/1991US5034506 Uncharged morpholino-based polymers having achiral intersubunit linkages
07/23/1991US5034394 Treatment of aids-HIV or HBV infections
07/23/1991CA1286666C Substituted 8-phenylxanthines
07/16/1991US5032593 Method of treating bronchoconstriction with 1,3-unsymmetrical straight chain alkyl-substituted 8-phenylxanthines
07/16/1991US5032592 Alkene, alkyne or cycloalkylene derivatives
07/16/1991US5032583 Cardiovascular disorders
07/16/1991CA1286292C Medicaments, vicinal dihydroxyalkylxanthines contained therein, process for the preparation of these xanthine compounds and intermediate products suitable for these
07/13/1991WO1991010665A1 Production of carboxetanocin g or a and intermediates therefor
07/13/1991CA2049047A1 Process for producing carboxetanocin g or a intermediate therefor
07/10/1991CN1052858A New xanthine derivatives
07/09/1991US5030451 Topical slenderizing formulation containing cafeine carboxylic acid derivatives neutralized by organic bases, preparation thereof, and their use in the treatment of cellulite
07/09/1991US5030270 Sulfonylureas with heterocyclic substituents, and the use thereof as herbicides or plant-growth regulators
07/04/1991WO1991009605A1 Treatment of human retroviral infections with 2',3'-dideoxyinosine
07/03/1991EP0435811A1 Xanthine derivatives
07/03/1991EP0435153A2 R-(-)-1-(5-hydroxyhexyl)-3-methyl-7-propylxanthin, process for its preparation and medicines containing it
07/03/1991EP0435152A2 Process for the enantioselective preparation of (omega-1)-hydroxyalkylxanthines
07/02/1991CA1285560C Derivatives of guanine
07/02/1991CA1285559C Purine derivatives, their production and medicaments containing them
06/1991
06/28/1991WO1991009859A1 New xanthine derivatives
06/26/1991EP0434450A2 Therapeutic nucleosides
06/26/1991EP0434038A1 Fused imidazole derivatives, their production and use
06/26/1991EP0433898A2 Analogs of oxetanyl purines and pyrimidines
06/26/1991EP0433897A2 Process for preparing an optically active cyclobutane nucleoside
06/26/1991EP0433846A1 Process for the preparation of 2-acylamino-6-halogeno-purine from 2,9-diacylguanine
06/26/1991EP0433845A1 Process for the preparation of 2-acylamino-9-acyl-6-halogeno-purines
06/25/1991US5026836 6-sulfenamide, 6-sulfinamide and 6-sulfonamide purines, purine nucleosides, purine nucleotides, pharmaceutical compositions, and processes of making
06/25/1991US5026687 Treatment of human retroviral infections with 2',3'-dideoxyinosine alone and in combination with other antiviral compounds
06/23/1991CA2032831A1 Fused imidazole derivatives, their production and use
06/21/1991WO1991009073A1 Uncharged morpholino-based polymers having achiral intersubunit linkages
06/21/1991WO1991009048A1 Boronated nucleosides
06/21/1991CA2071936A1 Boronated nucleosides
06/21/1991CA2032422A1 Analogs of oxetanyl purines and pyrimidines
06/19/1991CA2031586A1 Process for preparing an optically active cyclobutane nucleoside
06/18/1991US5024998 Pharmaceutical formulations for parenteral use
06/18/1991CA1284996C Theophyllinemethyldithiolan and theophyllinemethyldithianyl derivatives
06/13/1991WO1991007945A1 Utilization of xanthines, optionally incorporated in liposomes in order to help the pigmentation of skin or hair
06/12/1991EP0431799A2 Use of nucleoside derivatives as cytotoxic agents
06/12/1991CN1012819B Process for preparing s-adenosyl-l-methionine and stable salts with polyanions
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