| Patents for C07D 473 - Heterocyclic compounds containing purine ring systems (11,932) |
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| 02/19/1992 | EP0471383A2 Use of 5'-vinylhalo-aristeromycin/adenosine analogs as immunosuppressants |
| 02/19/1992 | EP0471057A1 Methods and compositions for the prophylaxis and treatment of cytomegalovirus infections |
| 02/18/1992 | US5089618 Process for the purification of adenine |
| 02/18/1992 | US5089500 Viricides; hepatitis, aids |
| 02/18/1992 | CA1296001C 1-hydroxyalkylxanthines, processes for their preparation and medicaments containing them |
| 02/13/1992 | DE4025358A1 New bi:phenyl:methyl-substd. imidazole derivs. |
| 02/12/1992 | EP0470543A1 Heterocyclic imidazoles, remedies containing them and processes for their preparation |
| 02/12/1992 | EP0470317A1 Use of a derivative of 1,3,7-trimethylxanthine for the treatment of memory disorders, senile intellectual disorders and Alzheimer's disease |
| 02/11/1992 | US5087697 Therapeutic nucleosides |
| 02/11/1992 | CA2048809A1 Heterocyclic imidazoles, pharmaceutical compositions containing these compounds and processes for preparing them |
| 02/06/1992 | WO1992001697A1 Novel substituted thiazolyl and substituted pyridinyl derivatives |
| 02/06/1992 | CA2086546A1 Novel substituted thiazolyl and substituted pyridinyl derivatives |
| 02/05/1992 | CN1058406A Substituted azole, process for production and use thereof |
| 02/04/1992 | US5086056 Treating allergic diseases |
| 01/29/1992 | EP0468866A1 Novel carbocyclic analogs of certain nucleosides |
| 01/29/1992 | EP0468372A2 Substituted azoles, process for their preparation and their use |
| 01/29/1992 | EP0468352A2 Novel nucleic acid derivatives |
| 01/29/1992 | EP0468119A1 Novel carbocyclic analogs of certain nucleosides |
| 01/29/1992 | EP0467895A1 Dihydropyridine antiallergy agents |
| 01/29/1992 | CN1058216A Substituted thiazolyl and substituted pyridinyl derivatives |
| 01/29/1992 | CN1058215A Oxazolyl derivatives |
| 01/25/1992 | CA2047644A1 Nucleic acid derivatives |
| 01/25/1992 | CA2047390A1 Carbocyclic analogs of certain nucleosides |
| 01/23/1992 | WO1992000742A1 Penciclovir and famciclovir and related guanine derivatives for the treatment of the hiv-1 infections |
| 01/23/1992 | DE4023215A1 New substd. azole derivs. angiotensin II antagonists - for treating hypertension, coronary insufficiency, myocardial infarct, coronary hypertrophy, arteriosclerosis etc. |
| 01/22/1992 | EP0467207A2 Purinderivate |
| 01/22/1992 | CA2047467A1 Substituted azoles, a process for their preparation, and their use |
| 01/21/1992 | US5082845 Gastrointestinal |
| 01/20/1992 | WO1992002511A1 Novel process for the preparation of nucleotides |
| 01/20/1992 | WO1992001698A1 Antiviral phosphono-alken derivatives of purines |
| 01/20/1992 | WO1992001687A1 Novel oxazolyl derivatives |
| 01/20/1992 | CA2087446A1 Antiviral phosphono-alken derivatives of purines |
| 01/20/1992 | CA2086545A1 Oxazolyl derivatives |
| 01/19/1992 | CA2044806A1 Purine derivatives |
| 01/15/1992 | EP0466164A2 Process for the preparation of 2-chloro-1,7-dihydropurin-6-one and process for the purification of the same |
| 01/15/1992 | EP0344288A4 Method of inhibiting the activity of leukocyte derived cytokines |
| 01/14/1992 | CA2046846A1 Process for preparing 2-chloro-1,7-dihydropurin-6-one and a process for its purification |
| 01/09/1992 | WO1992000315A1 Oligonucleotide functionalization method |
| 01/09/1992 | WO1992000297A1 New xanthine derivatives |
| 01/09/1992 | CA2064742A1 Xanthine derivatives |
| 01/08/1992 | EP0464769A2 Purinyl and pyrimidinyl tetrahydrofurans |
| 01/08/1992 | EP0464511A2 Process for the preparation of acyclic, substituted nucleosides and its intermediates |
| 01/08/1992 | EP0464137A1 Inhibition of hiv using synergistic combinations of nucleoside derivatives |
| 01/08/1992 | EP0464112A1 A process for the preparation of 9-substituted guanine derivatives and intermediates for use in the process. |
| 01/08/1992 | CN1057652A Process for preparing substituted acyclic nucleosides and intermediates occurring therein |
| 01/07/1992 | US5079252 Valeryl ester of acyclovir improves bioavailability of acylclovir, viricides, treatment of herpes |
| 01/02/1992 | DE4019892A1 New xanthine derivs. are selective A1 adenosine antagonists - useful for treating CNS disorders (e.g. senile dementia) and heart and circulation disorders |
| 01/01/1992 | CN1057463A 6-substituted purinyl piperazine derivatives |
| 12/28/1991 | CA2045730A1 Process for the preparation of substituted acyclic nucleosides, and intermediates occurring therein |
| 12/25/1991 | CN1057257A Imidazole derivatives, their preparation process, intermediates obtained, their use as medicaments and pharmaceutical compositions containing them |
| 12/24/1991 | US5075445 Viricides |
| 12/22/1991 | WO1991019717A1 Polycyclic guanine derivatives |
| 12/18/1991 | EP0461407A1 Improved process for the preparation of 2-amino(2,3,5-tri-O-benzyl-beta-D-arabinofuranosyl)adenine |
| 12/18/1991 | CA2019145A1 U.s.p. caffeine extraction and purification |
| 12/17/1991 | US5073559 2-Substituted purinone having phosphodiesterase inhibitory activity |
| 12/12/1991 | WO1991018969A1 Fluorinated bis(hydroxymethyl)cyclobutyl purines and pyrimidines |
| 12/12/1991 | WO1991018898A1 Nucleic acid homolog |
| 12/11/1991 | EP0461040A1 Imidazol derivatives, their process for production, intermediates, their application as medicaments and the pharmaceutical compositions containing them |
| 12/10/1991 | US5071846 Anti-hystaminic [(bicyclic heterocyclyl) methyl and --hetero] substituted hexahydro-1H-azepines and pyrrolidines |
| 12/09/1991 | CA2044087A1 Imidazole derivatives, process for their preparation, novel intermediate products, their applications as pharmaceuticals and pharmaceutical compositions holding same |
| 12/04/1991 | CN1056692A Method of extracting natural caffeine from tea |
| 12/03/1991 | US5070205 Alkyl 2-benzylidene-4-(benzimidazol-1-yl) benzoylacetate esters as intermediates |
| 11/27/1991 | EP0458618A1 6-Substituted purinyl piperazine derivatives |
| 11/27/1991 | EP0458459A2 Substituted benzhydryl 2-hydroxypropyl piperazine derivatives |
| 11/27/1991 | EP0458363A1 Fluorinated bis(hydroxymethyl) cyclobutyl purines and pyrimidines |
| 11/27/1991 | EP0458312A1 Novel cyclobutane derivatives |
| 11/27/1991 | EP0457773A1 N?6 -substituted 9-methyladenines: a new class of adenosine receptor antagonists |
| 11/26/1991 | US5068320 2-amino-6-(cyclopropylamino)purine-9-β-D-2',3'-dideoxyribofuranoside and its pharmaceutically acceptable salts |
| 11/26/1991 | US5068236 Xanthine derivatives |
| 11/25/1991 | WO1991017993A1 1-7 substituted xanthine derivatives having antiasthmatic activity, their salts physiologically acceptable, pharmaceutical composition containing them and process for their preparation |
| 11/25/1991 | CA2083257A1 1-7 substituted xanthine derivatives having antiasthmatic activity, their salts physiologically acceptable, pharmaceutical composition containing them and process for their preparation |
| 11/25/1991 | CA2043099A1 Cyclobutane derivatives |
| 11/25/1991 | CA2042931A1 Fluorinated bis (hydroxymethyl) cyclobutyl purines and pyrimidines |
| 11/24/1991 | CA2042944A1 6-substituted purinyl piperazine derivatives |
| 11/19/1991 | US5066805 Catalytic hydrogenation of 2-amino-6-chloropurine |
| 11/19/1991 | US5066655 Inhibiting adenylate cyclase |
| 11/19/1991 | US5066652 Antiulcer agents |
| 11/19/1991 | US5066426 Fluorescence polarization immunoassay utilizing substituted carboxyfluoresceins |
| 11/13/1991 | EP0456514A1 2-Fluoroneplanocin A and its production |
| 11/12/1991 | US5064961 Process for preparing an optically active cyclobutane nucleoside |
| 11/06/1991 | EP0454773A1 Novel prodrug derivatives of biologically active agents containing hydroxyl groups or nh-acidic groups |
| 11/06/1991 | CN1055930A Process for preparing optically active isomers of 6-substituted purinyl piperazine derivatives |
| 11/05/1991 | US5063237 Antiallergens and antiinflammatory agents |
| 11/05/1991 | US5063233 Cardiovascular disorders |
| 10/30/1991 | EP0454385A1 Process for preparing optically active isomers of 6-substituted purinyl piperazine derivatives |
| 10/29/1991 | US5061708 Treatment of infection by herpes or cytomegalo virus |
| 10/24/1991 | CA2040886A1 Process for preparing optically active isomers of 6-substituted purinyl piperazine derivatives |
| 10/24/1991 | CA2040885A1 Substituted benzhydryl 2-hydroxypropyl piperazine derivatives |
| 10/23/1991 | EP0452729A1 Process for preparing substituted cyclobutanes |
| 10/23/1991 | EP0452680A1 Substituted purines, process for their preparation and their use as antiviral agents |
| 10/22/1991 | US5059690 Purinyl tetrahydrofurans |
| 10/22/1991 | US5059604 2-amino purine derivatives |
| 10/21/1991 | WO1991016333A1 2',3'-dideoxy-4'-thioribonucleosides as antiviral agents |
| 10/21/1991 | CA2080916A1 2',3'-dideoxy-4'-thioribonucleosides as antiviral agents |
| 10/17/1991 | WO1991015490A1 Synthesis of purine substituted cyclopentene derivatives |
| 10/17/1991 | WO1991015489A1 Process for the synthesis of cyclopentene derivatives |
| 10/17/1991 | WO1991015447A1 Synthesis of cyclopentene derivatives |
| 10/17/1991 | CA2040485A1 Process for preparing substituted cyclobutanes |
| 10/15/1991 | US5057630 Reacting 4-nitromethyl-2-cyclopentene-1-ol with strong base, ozone, alkali or alkaline earth metal hydride yields 4-hydroxymethyl-2-cyclopentene-1-ol |
| 10/15/1991 | US5057518 Pharmaceutical preparations |