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Class Information
Number: 514/263.3
Name: Drug, bio-affecting and body treating compositions > Designated organic active ingredient containing (doai) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., o,s,se or te) or nitrogen as the only ring hetero atoms doai > Hetero ring is six-membered consisting of two nitrogens and four carbon atoms (e.g., pyridazines, etc.) > 1,3-diazines (e.g., pyrimidines, etc.) > Polycyclo ring system having 1,3-diazine as one of the cyclos > Bicyclo ring system having the 1,3-diazine as one of the cyclos > Exactly four ring nitrogens in the bicyclo ring system > Purine (including hydrogenated) > Chalcogen bonded directly to a ring carbon of the purine ring system
Description: Subject matter wherein a ring carbon of the purine ring system is directly bonded to a chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).










Sub-classes under this class:

Class Number Class Name Patents
514/263.33 Chalcogen bonded directly to the 2-,6-, and 8-positions of the purine ring system 16
514/263.34 Chalcogen bonded directly to the 2-and 6- positions of the purine ring system (e.g., theophylline, etc.) 244
514/263.37 Nitrogen bonded directly to a ring carbon of the purine ring system (e.g., guanine, etc.) 111
514/263.31 With perservative, stabilizer, or an additional active ingredient 160


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8680108 Substituted fused aryl and heteroaryl derivatives as PI3K inhibitors Mar. 25, 2014
8653060 Formulations of 6-mercaptopurine Feb. 18, 2014
8592433 Compounds and compositions as protein kinase inhibitors Nov. 26, 2013
8557831 Compositions and methods for treatment and prevention of insulin resistance Oct. 15, 2013
8552011 6-(C.sub.2-6alkylseleno)purines and methods for treating neural measles viral infection therewith Oct. 8, 2013
8530484 Method and kit for treatment/prevention of hair loss Sep. 10, 2013
8501724 Purinone compounds as kinase inhibitors Aug. 6, 2013
8383634 Methods of treatment using heteroaryl compounds and compositions thereof Feb. 26, 2013
8372807 Methods of modulating uric acid levels Feb. 12, 2013
8372852 Purines as reverse transcriptase inhibitors Feb. 12, 2013
8318728 Compounds and compositions for treating chemical warfare agent-induced injuries Nov. 27, 2012
8222257 Phosphono-pent-2-en-1-yl nucleosides and analogs Jul. 17, 2012
8207178 Fused pyrimidines as reverse transcriptase inhibitors Jun. 26, 2012
8188067 Formulations of 6-mercaptopurine May. 29, 2012
8058281 Use of adenine-derived compounds for the treatment of lupus Nov. 15, 2011
8003656 2-phenoxy pyrimidinone analogues Aug. 23, 2011
7977345 c-MET modulators and method of use Jul. 12, 2011
7976852 Compositions and methods for cancer immunotherapy Jul. 12, 2011
7968556 Heteroaryl compounds, compositions thereof, and methods of treatment therewith Jun. 28, 2011
7932258 Use of a partially neutralized, anionic (meth) acrylate copolymer as a coating for the production of a medicament pharmaceutical form releasing active substance at reduced pH values Apr. 26, 2011
7790730 Imidazo[4,5-d]pyrimidines, their uses and methods of preparation Sep. 7, 2010
7723328 Methods of facilitating cell survival using neurotrophin mimetics May. 25, 2010
7709486 CXCR4 antagonists May. 4, 2010
7608601 4'-Substituted nucleoside derivatives as inhibitors of HCV RNA replication Oct. 27, 2009
7589075 Use of an adenosine A3 receptor agonist for inhibition of viral replication Sep. 15, 2009
7572800 Combination therapy to treat hepatitis B virus Aug. 11, 2009
7569574 Purine derivatives, the preparation thereof and their use as pharmaceutical compositions Aug. 4, 2009
7498334 Pyrrolopyrimidines as phosphodiesterase VII inhibitors Mar. 3, 2009
7495004 Purine derivatives as liver X receptor agonists Feb. 24, 2009
7335654 Phosphodiesterase 4 inhibitors Feb. 26, 2008
7268141 Xanthine phosphodiesterase V inhibitors Sep. 11, 2007
7256196 Purine cytokine inhibitors Aug. 14, 2007
7253154 Substituted thiazolopyrimidines as xanthine oxidase inhibitors Aug. 7, 2007
7253175 Method for treating athlete's foot Aug. 7, 2007
7115614 Method of treating brain ischemia Oct. 3, 2006
RE39112 Purine derivatives and adenosine A2 receptor antagonists serving as preventives/remedies for diabetes May. 30, 2006
7005430 Fused purine derivatives Feb. 28, 2006
6998404 Treatment or prevention of acute renal failure Feb. 14, 2006
6962921 Dementia remedies containing 2-aryl-8-oxodihydropurine derivatives as the active ingredient Nov. 8, 2005
6936618 Cystic fibrosis medicaments Aug. 30, 2005
6894045 Tetrahydropurinones and derivatives thereof as corticotropin releasing factor receptor ligands May. 17, 2005
6790841 2-hydroxymethylcyclopropylidenemethylpurines and -pyrimidines as antiviral agents Sep. 14, 2004
6770645 Pharmaceutically active compounds Aug. 3, 2004
6747016 Substituted purine derivatives as inhibitors of cell adhesion Jun. 8, 2004
6734187 Purine derivatives and medicaments comprising the same as active ingredient May. 11, 2004
6730677 Benzofurazan compounds which enhance AMPA receptor activity May. 4, 2004
6693105 Hydroxyl-containing compounds Feb. 17, 2004
6630490 Methods for treatment of disease-induced peripheral neuropathy and related conditions Oct. 7, 2003
6630478 Methods for treatment of drug-induced peripheral neuropathy Oct. 7, 2003
6599907 Cystic fibrosis medicaments Jul. 29, 2003

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