1: 21 percent / Potassium hydride / tetrahydrofuran; various solvent(s) 2: 42 percent / Raney-Ni / ethanol / 1 h / Heating View Scheme

<b>Multi-step reaction with 2 steps<br /> </b>1: 41 percent / CH₃COOK / methanol / 10 h / Heating<br />2: 31 percent / diethyl ether / 0.5 h / 0 &deg;C / 3 recycles<br /> <br /> &nbsp;