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Class Information
Number: 514/263.33
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-,6-, and 8-positions of the purine ring system
Description: Subject matter wherein each of the 2-, 6-, and 8- positions of the purine ring system is bonded directly to chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).










Patents under this class:

Patent Number Title Of Patent Date Issued
8236810 Substituted 8-aminoalkylthioxanthines, and their use as inhibitors of dipeptidyl peptidase IV Aug. 7, 2012
7879864 Substituted 8-aminoalkoxy-xanthine compounds and compositions useful in the treatment of hyperlipidemia and diabetes Feb. 1, 2011
7875620 Methods of treating microbial infections Jan. 25, 2011
6774130 Therapeutic compounds for inhibiting interleukin-12 signaling and methods for using same Aug. 10, 2004
6734187 Purine derivatives and medicaments comprising the same as active ingredient May. 11, 2004
6642231 6,9-disubstituted 2-[trans-(4-aminocyclohexyl)amino] purines Nov. 4, 2003
6025362 Uses of xanthine compounds Feb. 15, 2000
5872124 Treatment of diseases of the central nervous system using uric acid as a scavenger of peroxynitrite Feb. 16, 1999
5785993 Reduction of adhesions using controlled delivery of active oxygen inhibitors Jul. 28, 1998
5753635 Purine derivatives and their use as anti-coagulants May. 19, 1998
5470858 Derivatives of (hetero)aromatic ethers and thioethers having antihyperlipidemic activity, process for their preparation and pharmaceutical compositions containing them Nov. 28, 1995
5409934 Xanthine derivatives Apr. 25, 1995
4883801 Xanthine derivative pest control agents Nov. 28, 1989
4871742 Process and pharmaceutical compositions for the treatment of glaucoma Oct. 3, 1989
4853373 Therapeutic treatment for arthritic condition Aug. 1, 1989
4107306 Process for treating proliferative skin disease Aug. 15, 1978











 
 
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