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Class Information
Number: 514/263.23
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) > Additional hetero ring attached directly or indirectly to the purine ring system by nonionic bonding > The additional hetero ring consists of carbon and chalcogen as the only ring members
Description: Subject matter wherein the additional hetero ring includes at least one atom each of chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) and carbon, and contains no other elements as ring members.

Sub-classes under this class:

Class Number Class Name Patents
514/263.24 The additional chalcogen containing hetero ring is part of a polycyclo ring system 65

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8680076 Methods of treatment, improvement and prevention using haloaryl substituted aminopurines Mar. 25, 2014
8623408 Cladribine formulations for improved oral and transmucosal delivery Jan. 7, 2014
8603527 Pharmaceutical formulations of a substituted diaminopurine Dec. 10, 2013
8575181 Purine derivatives for use in the treatment of allergic, inflammatory and infectious diseases Nov. 5, 2013
8575182 6, 9-disubstituted purine derivatives and their use as cosmetics and cosmetic compositions Nov. 5, 2013
8492390 Synthesis of locked nucleic acid derivatives Jul. 23, 2013
8383634 Methods of treatment using heteroaryl compounds and compositions thereof Feb. 26, 2013
8236810 Substituted 8-aminoalkylthioxanthines, and their use as inhibitors of dipeptidyl peptidase IV Aug. 7, 2012
8173618 Formulations for reducing neuronal degeneration May. 8, 2012
8163754 Purine derivatives for use as adenosine A-2A receptor agonists Apr. 24, 2012
8158635 Solid forms comprising 4-[9-(tetrahydro-furan-3-yl)-8-(2,4,6-trifluoro-phenylamino)-9H-purin-2-y- lamino]-cyclohexan-1-ol, compositions thereof, and uses therewith Apr. 17, 2012
8138172 8-oxoadenine derivatives acting as modulators of TLR7 Mar. 20, 2012
8084458 Synthesis of locked nucleic acid derivatives Dec. 27, 2011
8044061 8-alkynylxanthines and derivatives Oct. 25, 2011
7989459 Purinones and 1H-imidazopyridinones as PKC-theta inhibitors Aug. 2, 2011
7977344 Compounds Jul. 12, 2011
7977345 c-MET modulators and method of use Jul. 12, 2011
7968556 Heteroaryl compounds, compositions thereof, and methods of treatment therewith Jun. 28, 2011
7960397 6,9-disubstituted purine derivatives and their use as cosmetics and cosmetic compositions Jun. 14, 2011
7951803 8-heteroarylpurine MNK2 inhibitors for treating metabolic disorders May. 31, 2011
7915268 8-substituted 2-(benzimidazolyl)purine derivatives for immunosuppression Mar. 29, 2011
7838508 4'-thio-L-xyloy furanosyl nucleosides, precursors thereof, preparation and use thereof Nov. 23, 2010
7825126 Purine derivatives as A3 and A1 adenosine receptor agonists Nov. 2, 2010
7807685 Therapeutic compounds Oct. 5, 2010
7772226 Condensed imidazole derivatives Aug. 10, 2010
7754728 Adenine compound and use thereof Jul. 13, 2010
7723340 Haloaryl substituted aminopurines, compositions thereof, and methods of treatment therewith May. 25, 2010
7645763 8-[3-amino-piperidin-1-yl]-xanthines, their preparation and their use as pharmaceutical composition Jan. 12, 2010
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
7569575 Synthesis of locked nucleic acid derivatives Aug. 4, 2009
7560450 Xanthine derivatives, the preparation thereof and their use as pharmaceutical compositions Jul. 14, 2009
7501426 8-[3-amino-piperidin-1-yl]-xanthines, their preparation and their use as pharmaceutical compositions Mar. 10, 2009
7495006 2' and 3'-substituted cyclobutyl nucleoside analogs for the treatment of viral infections and abnormal cellular proliferation Feb. 24, 2009
7495004 Purine derivatives as liver X receptor agonists Feb. 24, 2009
7452894 Purine derivatives as purinergic receptor antagonists Nov. 18, 2008
7423041 A1 adenosine receptor antagonists Sep. 9, 2008
7407955 8-[3-amino-piperidin-1-yl]-xanthines, the preparation thereof and their use as pharmaceutical compositions Aug. 5, 2008
7388002 Nucleosides, preparation thereof and use as inhibitors of RNA viral polymerases Jun. 17, 2008
7335654 Phosphodiesterase 4 inhibitors Feb. 26, 2008
7291623 Compounds that interact with kinases Nov. 6, 2007
7268141 Xanthine phosphodiesterase V inhibitors Sep. 11, 2007
7256196 Purine cytokine inhibitors Aug. 14, 2007
7247639 A1 adenosine receptor antagonists Jul. 24, 2007
7217702 Selective antagonists of A2A adenosine receptors May. 15, 2007
7202252 A.sub.1 adenosine receptor antagonists Apr. 10, 2007
7199127 Purine nucleosides Apr. 3, 2007
7189730 A.sub.2A adenosine receptor antagonists Mar. 13, 2007
7148229 Sulfonamide substituted xanthine derivatives Dec. 12, 2006

1 2 3 4

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