iodine; diisobutylaluminium hydride 1.) hexane 2.) THF; Yield given. Multistep reaction;

1: 1.) iBu2AlH, 2.) I2 / 1.) hexane 2.) THF 2: 89 percent / FeCl3 / diethyl ether 3: 92 percent / 3percent Pd(PPh3)4 View Scheme