The invention generally relates to substituted benzothiophenyl, substituted benzothiazolyl, substituted indolyl and substituted benzoimidazolyl compounds and, more particularly, to a compound represented by Structural Formula I: or a pharmaceutically acceptable salt thereof, wherein the variables are as defined and described herein. The invention also includes the synthesis and use of a compound of Structural Formula I, or a pharmaceutically acceptable salt or composition thereof, e.g., in the treatment of a disease or disorder selected from cancer (e.g., lymphoma, such as mantle cell lymphoma), a neurodegenerative disease, inflammatory diseases or an autoimmune system disease (e.g., a T-Cell mediated autoimmune disesase).
