Hydroboration of styrene 15 with 9-BBN gave a 13-type alkylborane, which underwent Suzuki−Miyaura coupling[cat.Pd(dppf)Cl2,aq. NaOH]2h,7a with 12 and subsequent desilylation to afford alcohol 9 in 73% overall yield, setting the stage for the Ir-catalyzed asymmetric polyene cyclization.