| abstract |
The present invention relates to Pyrazolo [1,5-a]pyrimidine compounds of formula III usefu as protein kinase inhibitors, pharmaceutical compositions containing the compounds, and methods of treatment using the compounds and compositions to treat diseases such as, for example, cancer, inflammation, arthritis, viral diseases, neurodegenerative diseases such as Alzheimer's disease, cardiovascular diseases, and fungal diseases (Formula III), wherein : R is an aryl substituted with one or more heteroaryl; R2 is selected from the group consisting of R9, alkyl, alkynyl, alkynylalkyl, cycloalkyl, -CF3, -C(O2)R6, aryl, arylalkyl, heteroarylalkyl, heterocyclyl, alkyl substituted with 1-6 R9 groups which groups can be the same or different with each R9 being independently selected, aryl substituted with 1-3 aryl or heteroaryl groups which can be the same or different and are independently selected from phenyl, pyridyl, thiophenyl, furanyl and thiazolo groups, (a), (b), (c) and (d), and heteroaryl substituted with 0-3 aryl or heteroaryl groups which can be the same or different and are independently selected from alkyl, phenyl, pyridyl, thiophenyl, furaπyl and thiazolo groups; R3 is selected from the group consisting of H, halogen, -NR5R6, -C(O)NR5R6, alkyl, alkynyl, cycloalkyl, aryl, arylalkyl, heterocyclyl, heterocyclylalkyl, heteroaryl and heteroarylalkyl, etc; R4 is H halo or alkyl. |