The invention relates to Purine Derivatives having the formula; The invention also relates to pharmaceutical compositions comprising an effective amount of the Purine Derivative; and methods for treating or preventing an ischemic condition, reperfusion injury, a cellular proliferative disorder, a cardiovascular disease, a neurological disorder, a skin disorder, a radiation-induced injury, a wound, or an inflammatory disease comprising administering an effective amount of the Purine Derivative to a subject in need thereof.