7-PYRIDINYL- OR PHENYL- SUBSTITUTED TRIAZOLO [1, 5 -A] PYRIDINES AS PI3K INHIBITORS

摘要

The invention relates to compounds of formula (I), wherein X, X1, R and R1 to R4 have the meaning as cited in the description and the claims. Said compounds are useful as protein kinase inhibitors, especially inhibitors of PI3K, for the treatment or prophylaxis of immunological, inflammatory, autoimmune, or allergic disorders. The invention also relates to pharmaceutical compositions including said compounds, the preparation of such compounds as well as the production of and use as medicaments.