1: 92 percent / sodium azide / dimethylformamide / 4 h / 85 °C 2: 84 percent / hydrogen / Pd/C / hexane / 3 h / 20 °C / 3206.4 Torr View Scheme

<b>Multi-step reaction with 2 steps<br /> </b>1.1: Mg; iodine / tetrahydrofuran<br />1.2: tetrahydrofuran / 72 h / 65 - 70 &deg;C<br />2.1: triethylamine / tetrahydrofuran / 0.25 h / 20 &deg;C<br /> <br /> &nbsp;