1: lithium aluminium hydride / tetrahydrofuran / 2.5 h / Heating 2: 98 percent / triethylamine / CH2Cl2 / 0.17 h / 0 °C 3: 96 percent / phosphoryl chloride / acetonitrile / 0.75 h / Heating 4: 65 percent / W-2 Raney nickel, naphthalene / 3 h / 200 °C View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '10774525', constants.ctx, '0')">ammonium acetate</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '506007', constants.ctx, '0')">acetic acid</a> <br />2&nbsp;h;&nbsp;&nbsp;Heating;&nbsp;<br /> &nbsp;