1: 72 percent / diisopropylethylamine / CH2Cl2 / 18 h 2: 100 percent / diisopropylethylamine / CH2Cl2 / 1.25 h 3: 78 percent / 4-(dimethylamino)pyridine, benzotriazol-1-yloxytris(dimethylamino)phosphonium hexafluorophosphate / CH2Cl2 / 120 h 4: 100 percent / ammonium formate / 5percent Pd/C / dimethylformamide / 18 h View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '4515', constants.ctx, '0')">benzotriazol-1-ol</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1098229', constants.ctx, '0')">methanol</a> <br />18&nbsp;h;&nbsp;<br /> &nbsp;