22-11-2012 дата публикации
Номер: US20120295860A1
The present invention relates to a compound The instant invention relates to a compound of formulae (I A), (I B), (X A), (X B), (Y A) or (Y B), wherein R′ represents and R″ represents hydrogen, hydroxy, C 1 -C 7 alkoxy, C 1 -C 8 -alkanoyloxy, or R 5 R 4 N—CO—O—, where R 4 and R 5 independently are C 1 -C 7 alkyl or phenyl which is unsubstituted or substituted by a substitutent selected from C 1 -C 7 alkyl, C 1 -C 7 alkoxy, halogen and trifluoromethyl and where R 4 additionally is hydrogen; or R 4 and R 5 together represent C 3 -C 6 alkylene, in free form or in form of a pharmaceutically acceptable acid addition salt. Compounds of formulae (I A), (I B), (X A), (X B), (Y A) or (Y B) inhibit DPP-IV (dipeptidyl-peptidase-IV) activity. They are therefore indicated for use as pharmaceuticals in inhibiting DPP-IV and in the treatment of conditions mediated by DPP-IV, such as non-insulin-dependent diabetes mellitus, arthritis, obesity, osteoporosis and further conditions of impaired glucose tolerance.
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