tert-Butyl 6-Cyano-2-(2-(4-ethyl-3-iodophenyl)propan-2-yl)benzofuran-3-carboxylate is an intermediate of Alectinib (C183360), a highly selective and potent anaplastic lymphoma kinase (ALK) inhibitor capable of blocking the resistant gatekeeper mutant, which results in reduced cell growth.