Pyrazoloheteroaryls: novel p38alpha MAP kinase inhibiting scaffolds with oral activity.
@article{Rvsz2006PyrazoloheteroarylsNP, title={Pyrazoloheteroaryls: novel p38alpha MAP kinase inhibiting scaffolds with oral activity.}, author={L. R{\'e}v{\'e}sz and E. Blum and F. D. di Padova and T. Buhl and R. Feifel and H. Gram and P. Hiestand and U. Manning and U. Neumann and Gerard Rucklin}, journal={Bioorganic & medicinal chemistry letters}, year={2006}, volume={16 2}, pages={ 262-6 } }
A test library with three novel p38alpha inhibitory scaffolds and a narrow set of substituents was prepared. Appropriate combination of substituent and scaffold generated potent p38alpha inhibitors, for example, pyrazolo[3,4-b]pyridine 9, pyrazolo[3,4-d]pyrimidine 18a and pyrazolo[3,4-b]pyrazine 23b with potent in vivo activity upon oral administration in animal models of rheumatoid arthritis.
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