1: 86 percent / 10 percent aq. HCl / methanol / 36 h / Ambient temperature 2: 60 percent / LiAlH4 / diethyl ether / 0.17 h View Scheme

<b>Multi-step reaction with 2 steps<br /> </b>1: 1.) butyllithium, 2.) iodine / 1.) THF, hexane, -65 deg C, 2.) -78 deg C<br />2: 1.) sodium hydride / 1.) THF, r.t., 2.) 25 deg C<br /> <br /> &nbsp;