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Class Information
Number: 514/263.36
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 > Chalcogen bonded directly to the 2-and 6- positions of the purine ring system (e.g., theophylline, etc.) > Chalcogen attached indirectly to the purine ring system by acyclic nonionic bonding
Description: Subject matter wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is indirectly attached to the purine ring system by acyclic nonionic bonding.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8263601 Deuterium substituted xanthine derivatives Sep. 11, 2012
8044061 8-alkynylxanthines and derivatives Oct. 25, 2011
7998698 Method for predicting susceptibility to radiation pneumonitis Aug. 16, 2011
7943625 2 thioxanthine derivatives acting as MPO-inhibitors May. 17, 2011
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
7579354 Adenosine receptor antagonists and methods of making and using the same Aug. 25, 2009
7560450 Xanthine derivatives, the preparation thereof and their use as pharmaceutical compositions Jul. 14, 2009
7531544 Xanthine phosphodiesterase V inhibitors May. 12, 2009
7495003 8-(3-amino-piperidin-1-yl)-7-(but-2-ynyl)-xanthines, the preparation thereof and their use as pharmaceutical compositions Feb. 24, 2009
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
7312223 Metabolite of xanthine Phosphodiesterase 5 inhibitor and derivatives thereof useful for treatment of erectile dysfunction Dec. 25, 2007
7247639 A1 adenosine receptor antagonists Jul. 24, 2007
7202252 A.sub.1 adenosine receptor antagonists Apr. 10, 2007
7192962 Xanthine phosphodiesterase V inhibitor polymorphs Mar. 20, 2007
7135475 Amide substituted xanthine derivatives Nov. 14, 2006
7098217 3,7-dihydro-purine-2,6-dione derivatives as CRF receptor ligands Aug. 29, 2006
7053096 Compounds having selective hydrolytic potentials May. 30, 2006
6878715 Therapeutic compounds for inhibiting interleukin-12 signals and method for using same Apr. 12, 2005
6855736 Molecular target of neurotoxicity Feb. 15, 2005
6780865 Compounds having selective hydrolytic potentials Aug. 24, 2004
6774130 Therapeutic compounds for inhibiting interleukin-12 signaling and methods for using same Aug. 10, 2004
6693106 Pentoxifylline, pioglitazone and metformin are inhibitors of formation of advanced glycation endproducts (AGE's) Feb. 17, 2004
6649600 Adenosine receptor antagonists and methods of making and using the same Nov. 18, 2003
6608069 Phenyl xanthine derivatives Aug. 19, 2003
6605600 Adenosine receptor antagonists and methods of making and using the same Aug. 12, 2003
6586478 Methods and compositions for improving sleep Jul. 1, 2003
6558660 Method for regulating IL-10 with IL-9, and applications thereof May. 6, 2003
6486170 Phospholipase A2 inhibitors as mediators of gene expression Nov. 26, 2002
6469017 Method of inhibiting interleukin-12 signaling Oct. 22, 2002
6423719 Method for treating benign prostate hyperplasia Jul. 23, 2002
6420374 Use of xanthines as immunosuppressants and to inhibit allograft reactions Jul. 16, 2002
6413976 Compositions and method for decreasing neuropathic pain Jul. 2, 2002
6399624 Method and composition for inhibiting post-surgical adhesions Jun. 4, 2002
6372740 2-aryl-8-oxodihydropurine derivative, process for the producing the same, medicinal compositions containing the same, and intermediates thereof Apr. 16, 2002
6337325 Combined preparation for the therapy of immune diseases Jan. 8, 2002
6329381 Heterocyclic compounds Dec. 11, 2001
6316458 Method of enhancing insulin action Nov. 13, 2001
6313131 Method of kidney treatment Nov. 6, 2001
6294541 Purine derivatives having phosphodiesterase IV inhibition activity Sep. 25, 2001
6248746 3-(arylalkyl) xanthines Jun. 19, 2001
6204270 Ophthalmic and mucosal preparations Mar. 20, 2001
6187780 Assymetrically substituted xanthine derivatives having adenosine A1 antagonistic activity Feb. 13, 2001
6166024 Use of topical azathioprine and thioguanine to treat colorectal adenomas Dec. 26, 2000
6133274 Hydroxyl-containing bicyclic compounds Oct. 17, 2000
6127355 High molecular weight polymer-based prodrugs Oct. 3, 2000
6087367 Potent inducers of terminal differentiation and methods of use thereof Jul. 11, 2000
6075029 Xanthine modulators of metabolism of cellular P-450 Jun. 13, 2000
6075027 Treatment and prevention of hepatic disorders Jun. 13, 2000

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