The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 2009
Filed:
Aug. 04, 2003
Roland Maier, Biberach, DE;
Frank Himmelsbach, Mittelbiberach, DE;
Matthias Eckhardt, Biberach, DE;
Elke Langkopf, Warthausen, DE;
Michael Mark, Biberach, DE;
Ralf R. H. Lotz, Schemmerhofen, DE;
Roland Maier, Biberach, DE;
Frank Himmelsbach, Mittelbiberach, DE;
Matthias Eckhardt, Biberach, DE;
Elke Langkopf, Warthausen, DE;
Michael Mark, Biberach, DE;
Ralf R. H. Lotz, Schemmerhofen, DE;
Boehringer Ingelheim Pharma GmbH & Co. KG, Ingelheim, DE;
Abstract
The invention relates to new purine derivatives of general formula wherein Rto Rare defined as in the claims, the tautomers, the stereoisomers, the mixtures, the prodrugs thereof and the salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV), the preparation thereof, the use thereof for the prevention or treatment of diseases or conditions associated with an increased DPP-IV activity or capable of being prevented or alleviated by reducing the DPP-IV activity, particularly type I or type II diabetes mellitus, the pharmaceutical compositions containing a compound of general formula (I) or a physiologically acceptable salt thereof as well as processes for the preparation thereof.