dowex in methanol T=45°C;

<b>Multi-step reaction with 2 steps<br /> </b>1: n-butyllithium / 1.) THF, -78 deg C, 2.) HMPA, room temperature<br />2: 99 percent / H₂, quinoline / Pd/BaSO₄ / methanol<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: 52.9 percent / (diethylamino)sulfur trifluoride / CH₂Cl₂ / 1) -78 deg C, 2) room temperature<br />2: n-butyllithium / 1.) THF, -78 deg C, 2.) HMPA, room temperature<br />3: 99 percent / H₂, quinoline / Pd/BaSO₄ / methanol<br /> <br /> &nbsp;