Patents
Patents for C07D 473 - Heterocyclic compounds containing purine ring systems (11,932)
01/1995
01/05/1995WO1995000515A1 Carbo-acyclic nucleoside derivatives as antiviral and antineoplastic agents
01/05/1995WO1995000514A1 Novel carbocyclic nucleoside agents useful as selective inhibitors of proinflammatory cytokines
01/03/1995US5378844 8-(1-aminocycloalkyl)-1,3-dialkylxanthine derivatives, preparation process and antidepressant, nootropic and psychostimulant composition thereoff
01/03/1995US5378841 Alpha-morpholino ribonucleoside derivatives and polymers thereof
01/03/1995US5378825 Backbone modified oligonucleotide analogs
01/03/1995US5378693 Antitumor agents or viricides
12/1994
12/28/1994EP0630897A2 3-Hydroxy-4-hydroxymethyl-2-methylene-cyclopentyl purines and pyrimidines
12/27/1994US5376642 Treatment of retroviral induced dementia by administration of 2',3'-dideoxyinosine
12/26/1994CA2126363A1 3-hydroxy-4-hydroxymethyl-2-methylenecyclopentyl purines and pyrimidines
12/22/1994WO1994029312A1 O6-substituted guanine derivatives, a process for their preparation and their use in treating tumour cells
12/22/1994WO1994029311A1 Amino acid ester of nucleoside analogues
12/22/1994WO1994029301A1 Stereoselective synthesis of nucleoside analogues using bicyclic intermediate
12/22/1994WO1994025477A3 Novel peptide nucleic acids
12/20/1994US5374638 Six membered ring fused imidazoles substituted with phenoxyphenylacetic acid derivatives used to treat asthma
12/20/1994US5374637 N-(3-hydroxy-4-piperidinyl)(dihydrobenzofuran, dihydro-2H-benzopyran or dihydrobenzodioxin)carboxamide derivatives
12/20/1994US5374625 Adenine and guanine derivatives for the treatment of hepatitis virus infections
12/14/1994EP0628558A1 Process for the synthesis of 9(2-hydroxyethoxy methyl) guanine
12/14/1994EP0628311A1 Antidepressant
12/14/1994EP0628044A1 Therapeutic nucleosides
12/07/1994EP0627411A1 Azine-substituted phenylacetic acid derivatives and fungicides containing them
12/07/1994EP0626964A1 Heterocyclic compounds for enhancing antitumor activity
12/06/1994US5371221 Process for recovery of caffeine from activated carbon
12/04/1994CA2124541A1 Azine-substituted phenylacetic acid derivatives and fungicides containing these
11/1994
11/29/1994US5369098 Hydroxymethyl cyclobutyl purines
11/24/1994WO1994026744A1 8-substituted xanthines as selective adenosine receptor agents
11/24/1994WO1994026743A1 Improved process for preparing xanthine derivates, in particular 1,3-dipropyl-8-(3-oxocyclopentyl)-xanthine
11/24/1994CA2140434A1 Improved process for preparing xanthine derivatives, in particular 1,3-dipropyl-8-(3-oxocyclopentyl)-xathine
11/23/1994EP0625154A1 Preparation of 2-amino-6-chloropurine
11/22/1994US5367081 Vasodilator, antiallergen
11/22/1994US5366977 Method of treating cystic fibrosis using 8-cyclopentyl-1,3-dipropylxanthine or xanthine amino congeners
11/16/1994CN1026588C Novel 1-alkyl substituted benzimidazole derivatives
11/15/1994US5364875 Anticholesterol agents
11/15/1994US5364862 Adenosine derivatives
11/15/1994CA1333070C Alkoxy methyl ether and alkoxy methyl ester derivatives
11/10/1994WO1994025477A2 Novel peptide nucleic acids
11/10/1994WO1994025462A1 8-substituted 1,3,7-trialkyl-xanthine derivatives as a2-selective adenosine receptor antagonists
11/10/1994CA2161230A1 Novel peptide nucleic acids
11/09/1994EP0623627A1 Sulfonamide derivatives
11/09/1994EP0623133A1 Substituted amino alkyl compounds
11/08/1994US5362732 Boronated compounds
11/08/1994CA1332941C N-alkylated quaternary nitrogen containing heterocycles
11/08/1994CA1332940C N-alkylated quaternary nitrogen-containing heterocycles
11/08/1994CA1332939C 2,5,6-substituted-n -alkylpyrimidines
11/08/1994CA1332938C N-alkylated quaternary nitrogen-containing heterocycles
11/01/1994US5360807 Substituted thiazolyl and substituted pyridinyl derivatives
10/1994
10/27/1994WO1994024134A1 New carboxylic-acid esters of 2-amino-7-(1,3-dihydroxy-2-propoxymethyl)purine, the preparation of such esters and their use
10/27/1994WO1994024133A1 Ring-substituted cell signaling inhibitors
10/26/1994EP0620813A1 Heterocyclic sulfonamide derivatives as antagonists of paf and angiotensin ii
10/26/1994CN1094046A Novel compounds
10/25/1994US5359044 Diagnosis, chemical intermediates
10/19/1994EP0619805A1 Indole derivatives
10/18/1994US5356886 Treating herpes virus infections
10/13/1994WO1994022864A1 Acyclic nucleoside analogs and oligonucleotide sequences containing them
10/13/1994WO1994022863A1 Second messenger cell signaling inhibitors
10/13/1994WO1994022859A1 Substituted heteroannulated imidazoles and their use as herbicides
10/13/1994WO1994022449A1 Therapeutic compounds
10/13/1994CA2159631A1 Acyclic nucleoside analogs and oligonucleotide sequences containing them
10/13/1994CA2158996A1 Substituted heteroannulated imidazoles and their use as herbicides
10/12/1994EP0619316A1 Xanthine derivatives
10/11/1994US5354756 Olefin-substituted long chain xanthine compounds
10/05/1994EP0464112B1 A process for the preparation of 9-substituted guanine derivatives and intermediates for use in the process
10/05/1994CN1026112C Preparation of tertiar hydroxyalkylxanthin
10/05/1994CN1026109C Preparation of substituted sulfonic acid biamide
10/04/1994US5352669 Increases host responsiveness to anti-neoplastic alkylating agents including chloroethylating agents for chemotheraputical treatment
09/1994
09/21/1994CN1092427A Enantiomerically pure SS-D-dioxolane nucleosides with selective anti-hepatitis B virus activity
09/21/1994CN1092411A A process for preparing substituted formylimidazoles
09/15/1994WO1994020460A1 Chemical compounds
09/01/1994WO1994019351A1 2-benzyl-polycyclic guanine derivatives and process for preparing them
09/01/1994WO1994019349A1 Xanthine derivatives as adenosine a1 receptor antagonists
09/01/1994WO1994019023A1 Cyclobutyl antisense oligonucleotides, methods of making and use thereof
09/01/1994CA2156918A1 2-benzyl-polycyclic guanine derivatives and process for preparing them
08/1994
08/31/1994EP0612744A1 Regeneration of caffeine laden active carbon, using organic solvents
08/31/1994EP0612315A1 Nitro compounds having vasodilator activity
08/30/1994US5342841 Xanthine derivatives
08/30/1994US5342840 Cyclopropane derivative
08/25/1994CA2113384A1 Regeneration of caffeine laden active carbon with organic solvents
08/24/1994EP0611660A2 Condensed 5-membered heterocycles, process for their preparation and medicines containing these compounds
08/23/1994US5340816 Hydroxymethyl(methylenecyclopentyl) purines and pyrimidines
08/23/1994US5340813 Substituted aminoalkyl xanthine compounds
08/23/1994CA1331611C Therapeutic compounds
08/23/1994CA1331607C Purinyl and pyrimidinyl cyclobutanes
08/23/1994CA1331564C Redox systems for brain-targeted drug delivery
08/18/1994WO1994018215A1 Adenosine kinase inhibitors comprising lyxofuranosyl derivatives
08/18/1994WO1994018214A1 Deoxygenation of cis vicinal diols
08/18/1994CA2154681A1 Adenosine kinase inhibitors comprising lyxofuranosyl derivatives
08/17/1994CA2115737A1 Condensed 5-membered heterocyclic compounds, processes for preparing them and pharmaceutical compositions containing these compounds
08/16/1994US5338844 2-substituted-2-cyclopentenone compound and anticancer agent and bone formation accelerator comprising same as active ingredient
08/16/1994US5338756 Benzimidazole compounds
08/16/1994US5338743 New use of the adenosine antagonist
08/16/1994US5338741 1-hydroxyalkylxanthines and medicaments containing them
08/16/1994US5338575 High pressure solvent extraction using water saturated with carbon dioxide, then rapid depressurization for expansion, rinsing, drying, roasting, recovering pure crystalline caffeine from aqueous solvent
08/10/1994EP0524997B1 2'-o-alkyl nucleotides and polymers containing them
08/10/1994EP0353268B1 Antitumor 6-sulfenamide, 6-sulfinamide and 6-sulfonamide purines, purine nucleosides, purine nucleotides and related compounds
08/10/1994CN1090578A Process for obtaining 3,7-dialkylxanthines from 3-alkyl-xanthines
08/10/1994CN1090493A Urinate assisting pharmaceutical
08/09/1994US5336770 Reacting guanosine and 2-oxa-1,4-butanediol diacetate in the presence of an acid catalyst and acid anhydride followed by ester hydrolysis to produce acyclovir
08/09/1994US5336769 Xanthine derivatives
08/04/1994WO1994017064A1 Method for converting a xanthine ring or derivatives thereof into dialkylamino-xanthine derivatives
08/04/1994WO1994016704A1 Oxime-substituted therapeutic compounds
08/04/1994WO1994016702A1 Remedy for irregular bowel movement