The invention provides a novel class of 2,7-naphthyridin derivatives; pharmaceutical compositions comprising such compounds and methods of using such compounds to treat or prevent diseases or disorders associated with abnormal or deregulated kinase activity, particularly Syk, ZAP70, KDR, FMS, FLT3, c-Kit, RET, TrkA, TrkB, TrkC-GR-1R, Alk, c-FMS, or combinations thereof.