The invention generally relates to substituted benzofuranyl compounds and, more particularly, to a compound represented by Structural Formula la: (I) or a pharmaceutically acceptable salt thereof. The invention also includes the synthesis and use of the compound of Structural Formula la, or a pharmaceutically acceptable salt or composition thereof, e.g., in the treatment of diseases or disorder selected from cancer (e.g., lymphoma, such as mantle cell lymphoma), a neurodegenerative disease, an inflammatory diseases or an immune system disease (e.g., a T-Cell mediated autoimmune disesase) in a subject in need thereof. The method comprises administering to a subject in need thereof a therapeutically effective amount of a compound of the invention, or a pharmaceutically acceptable salt thereof, or a composition comprising a compound of the invention, or a pharmaceutically acceptable salt thereof.
