Provided herein are Heteroaryl Compounds having the following structure: wherein R1-R4 are as defined herein, compositions comprising an effective amount of a Heteroaryl Compound and methods for treating or preventing cancer, inflammatory conditions, immunological conditions, neurodegenerative diseases, diabetes, obesity, neurological disorders, age-related diseases, or cardiovascular conditions, comprising administering an effective amount of a Heteroaryl Compound to a patient in need thereof. Further provided herein are methods for preparing a compound of formula (I), the method comprising contacting a compound of formula (III) with a compound of the following formula: R1-Y, in a solvent, in the presence of a palladium catalyst, wherein said contacting occurs in the presence of a base, wherein R1-R4, Y, the palladium catalyst and the base are as defined herein.