Bicyclic pyrimidines as dipeptidyl peptidase-IV inhibitors...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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C544S281000, C544S263000

Reexamination Certificate

active

07956061

ABSTRACT:
The present invention is directed to novel substituted bicyclic pyrimidines which are inhibitors of the dipeptidyl peptidase-IV enzyme (“DPP-IV inhibitors”) and which are useful in the treatment or prevention of diseases in which the dipeptidyl peptidase-IV enzyme is involved, such as diabetes and particularly Type 2 diabetes. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which the dipeptidyl peptidase-IV enzyme is involved.

REFERENCES:
patent: 2006/0178377 (2006-08-01), Meng et al.
patent: 2004/032836 (2004-04-01), None
patent: 2004/032836 (2004-04-01), None
Abu Elmaai, T. M. et al., “Routes to Pyrazolo[3,4-e][1,4]thiazepine, Pyrazolo[1,5-a]pyrimidine and Pyrazole Derivatives” Journal of the Chinese Chemical Society, vol. 50, pp. 413-418, 2003.
Green, B. D. et al., “Inhibition of dipeptidyl peptidase IV activity as a therapy of Type 2 diabetes” Expert Opin. Emerging Drugs, vol. 11, No. 3, pp. 525-539, 2006.
Stonehouse, A. H. et al., “Management of Type 2 diabetes: the role of incretin mimetics” Expert Opin. Pharmacother, vol. 7, No. 15, pp. 2095-2105, 2006.
Combettes, M, MJ., “GLP-1 and type 2 diabetes: physiology and new clinical advances” Current Opinion in Pharmacology, vol. 6, pp. 598-605, 2006.
Holst, J. J. et al., “New Horizons in Diabetes Therapy” Immun., Endoc. & Metab. Agents in Med. Chem, vol. 7, pp. 49-55, 2007.
Campbell, R. K., “Rationale for Dipeptidyl Peptidase 4 Inhibitors: A New Class of Oral Agents for the Treatment of Type 2 Diabetes Mellitus” The Annals of Pharmacotherapy, vol. 41, pp. 51-60, 2007.

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